pique/static/main.js

(() => {
  // node_modules/@codemirror/state/dist/index.js
  var Text = class _Text {
    /**
    Get the line description around the given position.
    */
    lineAt(pos) {
      if (pos < 0 || pos > this.length)
        throw new RangeError(`Invalid position ${pos} in document of length ${this.length}`);
      return this.lineInner(pos, false, 1, 0);
    }
    /**
    Get the description for the given (1-based) line number.
    */
    line(n) {
      if (n < 1 || n > this.lines)
        throw new RangeError(`Invalid line number ${n} in ${this.lines}-line document`);
      return this.lineInner(n, true, 1, 0);
    }
    /**
    Replace a range of the text with the given content.
    */
    replace(from, to, text) {
      [from, to] = clip(this, from, to);
      let parts = [];
      this.decompose(
        0,
        from,
        parts,
        2
        /* Open.To */
      );
      if (text.length)
        text.decompose(
          0,
          text.length,
          parts,
          1 | 2
          /* Open.To */
        );
      this.decompose(
        to,
        this.length,
        parts,
        1
        /* Open.From */
      );
      return TextNode.from(parts, this.length - (to - from) + text.length);
    }
    /**
    Append another document to this one.
    */
    append(other) {
      return this.replace(this.length, this.length, other);
    }
    /**
    Retrieve the text between the given points.
    */
    slice(from, to = this.length) {
      [from, to] = clip(this, from, to);
      let parts = [];
      this.decompose(from, to, parts, 0);
      return TextNode.from(parts, to - from);
    }
    /**
    Test whether this text is equal to another instance.
    */
    eq(other) {
      if (other == this)
        return true;
      if (other.length != this.length || other.lines != this.lines)
        return false;
      let start = this.scanIdentical(other, 1), end = this.length - this.scanIdentical(other, -1);
      let a = new RawTextCursor(this), b = new RawTextCursor(other);
      for (let skip = start, pos = start; ; ) {
        a.next(skip);
        b.next(skip);
        skip = 0;
        if (a.lineBreak != b.lineBreak || a.done != b.done || a.value != b.value)
          return false;
        pos += a.value.length;
        if (a.done || pos >= end)
          return true;
      }
    }
    /**
    Iterate over the text. When `dir` is `-1`, iteration happens
    from end to start. This will return lines and the breaks between
    them as separate strings.
    */
    iter(dir = 1) {
      return new RawTextCursor(this, dir);
    }
    /**
    Iterate over a range of the text. When `from` > `to`, the
    iterator will run in reverse.
    */
    iterRange(from, to = this.length) {
      return new PartialTextCursor(this, from, to);
    }
    /**
    Return a cursor that iterates over the given range of lines,
    _without_ returning the line breaks between, and yielding empty
    strings for empty lines.
    
    When `from` and `to` are given, they should be 1-based line numbers.
    */
    iterLines(from, to) {
      let inner;
      if (from == null) {
        inner = this.iter();
      } else {
        if (to == null)
          to = this.lines + 1;
        let start = this.line(from).from;
        inner = this.iterRange(start, Math.max(start, to == this.lines + 1 ? this.length : to <= 1 ? 0 : this.line(to - 1).to));
      }
      return new LineCursor(inner);
    }
    /**
    Return the document as a string, using newline characters to
    separate lines.
    */
    toString() {
      return this.sliceString(0);
    }
    /**
    Convert the document to an array of lines (which can be
    deserialized again via [`Text.of`](https://codemirror.net/6/docs/ref/#state.Text^of)).
    */
    toJSON() {
      let lines = [];
      this.flatten(lines);
      return lines;
    }
    /**
    @internal
    */
    constructor() {
    }
    /**
    Create a `Text` instance for the given array of lines.
    */
    static of(text) {
      if (text.length == 0)
        throw new RangeError("A document must have at least one line");
      if (text.length == 1 && !text[0])
        return _Text.empty;
      return text.length <= 32 ? new TextLeaf(text) : TextNode.from(TextLeaf.split(text, []));
    }
  };
  var TextLeaf = class _TextLeaf extends Text {
    constructor(text, length = textLength(text)) {
      super();
      this.text = text;
      this.length = length;
    }
    get lines() {
      return this.text.length;
    }
    get children() {
      return null;
    }
    lineInner(target, isLine, line, offset) {
      for (let i = 0; ; i++) {
        let string2 = this.text[i], end = offset + string2.length;
        if ((isLine ? line : end) >= target)
          return new Line(offset, end, line, string2);
        offset = end + 1;
        line++;
      }
    }
    decompose(from, to, target, open) {
      let text = from <= 0 && to >= this.length ? this : new _TextLeaf(sliceText(this.text, from, to), Math.min(to, this.length) - Math.max(0, from));
      if (open & 1) {
        let prev = target.pop();
        let joined = appendText(text.text, prev.text.slice(), 0, text.length);
        if (joined.length <= 32) {
          target.push(new _TextLeaf(joined, prev.length + text.length));
        } else {
          let mid = joined.length >> 1;
          target.push(new _TextLeaf(joined.slice(0, mid)), new _TextLeaf(joined.slice(mid)));
        }
      } else {
        target.push(text);
      }
    }
    replace(from, to, text) {
      if (!(text instanceof _TextLeaf))
        return super.replace(from, to, text);
      [from, to] = clip(this, from, to);
      let lines = appendText(this.text, appendText(text.text, sliceText(this.text, 0, from)), to);
      let newLen = this.length + text.length - (to - from);
      if (lines.length <= 32)
        return new _TextLeaf(lines, newLen);
      return TextNode.from(_TextLeaf.split(lines, []), newLen);
    }
    sliceString(from, to = this.length, lineSep = "\n") {
      [from, to] = clip(this, from, to);
      let result = "";
      for (let pos = 0, i = 0; pos <= to && i < this.text.length; i++) {
        let line = this.text[i], end = pos + line.length;
        if (pos > from && i)
          result += lineSep;
        if (from < end && to > pos)
          result += line.slice(Math.max(0, from - pos), to - pos);
        pos = end + 1;
      }
      return result;
    }
    flatten(target) {
      for (let line of this.text)
        target.push(line);
    }
    scanIdentical() {
      return 0;
    }
    static split(text, target) {
      let part = [], len = -1;
      for (let line of text) {
        part.push(line);
        len += line.length + 1;
        if (part.length == 32) {
          target.push(new _TextLeaf(part, len));
          part = [];
          len = -1;
        }
      }
      if (len > -1)
        target.push(new _TextLeaf(part, len));
      return target;
    }
  };
  var TextNode = class _TextNode extends Text {
    constructor(children, length) {
      super();
      this.children = children;
      this.length = length;
      this.lines = 0;
      for (let child of children)
        this.lines += child.lines;
    }
    lineInner(target, isLine, line, offset) {
      for (let i = 0; ; i++) {
        let child = this.children[i], end = offset + child.length, endLine = line + child.lines - 1;
        if ((isLine ? endLine : end) >= target)
          return child.lineInner(target, isLine, line, offset);
        offset = end + 1;
        line = endLine + 1;
      }
    }
    decompose(from, to, target, open) {
      for (let i = 0, pos = 0; pos <= to && i < this.children.length; i++) {
        let child = this.children[i], end = pos + child.length;
        if (from <= end && to >= pos) {
          let childOpen = open & ((pos <= from ? 1 : 0) | (end >= to ? 2 : 0));
          if (pos >= from && end <= to && !childOpen)
            target.push(child);
          else
            child.decompose(from - pos, to - pos, target, childOpen);
        }
        pos = end + 1;
      }
    }
    replace(from, to, text) {
      [from, to] = clip(this, from, to);
      if (text.lines < this.lines)
        for (let i = 0, pos = 0; i < this.children.length; i++) {
          let child = this.children[i], end = pos + child.length;
          if (from >= pos && to <= end) {
            let updated = child.replace(from - pos, to - pos, text);
            let totalLines = this.lines - child.lines + updated.lines;
            if (updated.lines < totalLines >> 5 - 1 && updated.lines > totalLines >> 5 + 1) {
              let copy = this.children.slice();
              copy[i] = updated;
              return new _TextNode(copy, this.length - (to - from) + text.length);
            }
            return super.replace(pos, end, updated);
          }
          pos = end + 1;
        }
      return super.replace(from, to, text);
    }
    sliceString(from, to = this.length, lineSep = "\n") {
      [from, to] = clip(this, from, to);
      let result = "";
      for (let i = 0, pos = 0; i < this.children.length && pos <= to; i++) {
        let child = this.children[i], end = pos + child.length;
        if (pos > from && i)
          result += lineSep;
        if (from < end && to > pos)
          result += child.sliceString(from - pos, to - pos, lineSep);
        pos = end + 1;
      }
      return result;
    }
    flatten(target) {
      for (let child of this.children)
        child.flatten(target);
    }
    scanIdentical(other, dir) {
      if (!(other instanceof _TextNode))
        return 0;
      let length = 0;
      let [iA, iB, eA, eB] = dir > 0 ? [0, 0, this.children.length, other.children.length] : [this.children.length - 1, other.children.length - 1, -1, -1];
      for (; ; iA += dir, iB += dir) {
        if (iA == eA || iB == eB)
          return length;
        let chA = this.children[iA], chB = other.children[iB];
        if (chA != chB)
          return length + chA.scanIdentical(chB, dir);
        length += chA.length + 1;
      }
    }
    static from(children, length = children.reduce((l, ch) => l + ch.length + 1, -1)) {
      let lines = 0;
      for (let ch of children)
        lines += ch.lines;
      if (lines < 32) {
        let flat = [];
        for (let ch of children)
          ch.flatten(flat);
        return new TextLeaf(flat, length);
      }
      let chunk = Math.max(
        32,
        lines >> 5
        /* Tree.BranchShift */
      ), maxChunk = chunk << 1, minChunk = chunk >> 1;
      let chunked = [], currentLines = 0, currentLen = -1, currentChunk = [];
      function add2(child) {
        let last;
        if (child.lines > maxChunk && child instanceof _TextNode) {
          for (let node of child.children)
            add2(node);
        } else if (child.lines > minChunk && (currentLines > minChunk || !currentLines)) {
          flush();
          chunked.push(child);
        } else if (child instanceof TextLeaf && currentLines && (last = currentChunk[currentChunk.length - 1]) instanceof TextLeaf && child.lines + last.lines <= 32) {
          currentLines += child.lines;
          currentLen += child.length + 1;
          currentChunk[currentChunk.length - 1] = new TextLeaf(last.text.concat(child.text), last.length + 1 + child.length);
        } else {
          if (currentLines + child.lines > chunk)
            flush();
          currentLines += child.lines;
          currentLen += child.length + 1;
          currentChunk.push(child);
        }
      }
      function flush() {
        if (currentLines == 0)
          return;
        chunked.push(currentChunk.length == 1 ? currentChunk[0] : _TextNode.from(currentChunk, currentLen));
        currentLen = -1;
        currentLines = currentChunk.length = 0;
      }
      for (let child of children)
        add2(child);
      flush();
      return chunked.length == 1 ? chunked[0] : new _TextNode(chunked, length);
    }
  };
  Text.empty = /* @__PURE__ */ new TextLeaf([""], 0);
  function textLength(text) {
    let length = -1;
    for (let line of text)
      length += line.length + 1;
    return length;
  }
  function appendText(text, target, from = 0, to = 1e9) {
    for (let pos = 0, i = 0, first = true; i < text.length && pos <= to; i++) {
      let line = text[i], end = pos + line.length;
      if (end >= from) {
        if (end > to)
          line = line.slice(0, to - pos);
        if (pos < from)
          line = line.slice(from - pos);
        if (first) {
          target[target.length - 1] += line;
          first = false;
        } else
          target.push(line);
      }
      pos = end + 1;
    }
    return target;
  }
  function sliceText(text, from, to) {
    return appendText(text, [""], from, to);
  }
  var RawTextCursor = class {
    constructor(text, dir = 1) {
      this.dir = dir;
      this.done = false;
      this.lineBreak = false;
      this.value = "";
      this.nodes = [text];
      this.offsets = [dir > 0 ? 1 : (text instanceof TextLeaf ? text.text.length : text.children.length) << 1];
    }
    nextInner(skip, dir) {
      this.done = this.lineBreak = false;
      for (; ; ) {
        let last = this.nodes.length - 1;
        let top2 = this.nodes[last], offsetValue = this.offsets[last], offset = offsetValue >> 1;
        let size = top2 instanceof TextLeaf ? top2.text.length : top2.children.length;
        if (offset == (dir > 0 ? size : 0)) {
          if (last == 0) {
            this.done = true;
            this.value = "";
            return this;
          }
          if (dir > 0)
            this.offsets[last - 1]++;
          this.nodes.pop();
          this.offsets.pop();
        } else if ((offsetValue & 1) == (dir > 0 ? 0 : 1)) {
          this.offsets[last] += dir;
          if (skip == 0) {
            this.lineBreak = true;
            this.value = "\n";
            return this;
          }
          skip--;
        } else if (top2 instanceof TextLeaf) {
          let next = top2.text[offset + (dir < 0 ? -1 : 0)];
          this.offsets[last] += dir;
          if (next.length > Math.max(0, skip)) {
            this.value = skip == 0 ? next : dir > 0 ? next.slice(skip) : next.slice(0, next.length - skip);
            return this;
          }
          skip -= next.length;
        } else {
          let next = top2.children[offset + (dir < 0 ? -1 : 0)];
          if (skip > next.length) {
            skip -= next.length;
            this.offsets[last] += dir;
          } else {
            if (dir < 0)
              this.offsets[last]--;
            this.nodes.push(next);
            this.offsets.push(dir > 0 ? 1 : (next instanceof TextLeaf ? next.text.length : next.children.length) << 1);
          }
        }
      }
    }
    next(skip = 0) {
      if (skip < 0) {
        this.nextInner(-skip, -this.dir);
        skip = this.value.length;
      }
      return this.nextInner(skip, this.dir);
    }
  };
  var PartialTextCursor = class {
    constructor(text, start, end) {
      this.value = "";
      this.done = false;
      this.cursor = new RawTextCursor(text, start > end ? -1 : 1);
      this.pos = start > end ? text.length : 0;
      this.from = Math.min(start, end);
      this.to = Math.max(start, end);
    }
    nextInner(skip, dir) {
      if (dir < 0 ? this.pos <= this.from : this.pos >= this.to) {
        this.value = "";
        this.done = true;
        return this;
      }
      skip += Math.max(0, dir < 0 ? this.pos - this.to : this.from - this.pos);
      let limit = dir < 0 ? this.pos - this.from : this.to - this.pos;
      if (skip > limit)
        skip = limit;
      limit -= skip;
      let { value } = this.cursor.next(skip);
      this.pos += (value.length + skip) * dir;
      this.value = value.length <= limit ? value : dir < 0 ? value.slice(value.length - limit) : value.slice(0, limit);
      this.done = !this.value;
      return this;
    }
    next(skip = 0) {
      if (skip < 0)
        skip = Math.max(skip, this.from - this.pos);
      else if (skip > 0)
        skip = Math.min(skip, this.to - this.pos);
      return this.nextInner(skip, this.cursor.dir);
    }
    get lineBreak() {
      return this.cursor.lineBreak && this.value != "";
    }
  };
  var LineCursor = class {
    constructor(inner) {
      this.inner = inner;
      this.afterBreak = true;
      this.value = "";
      this.done = false;
    }
    next(skip = 0) {
      let { done, lineBreak, value } = this.inner.next(skip);
      if (done && this.afterBreak) {
        this.value = "";
        this.afterBreak = false;
      } else if (done) {
        this.done = true;
        this.value = "";
      } else if (lineBreak) {
        if (this.afterBreak) {
          this.value = "";
        } else {
          this.afterBreak = true;
          this.next();
        }
      } else {
        this.value = value;
        this.afterBreak = false;
      }
      return this;
    }
    get lineBreak() {
      return false;
    }
  };
  if (typeof Symbol != "undefined") {
    Text.prototype[Symbol.iterator] = function() {
      return this.iter();
    };
    RawTextCursor.prototype[Symbol.iterator] = PartialTextCursor.prototype[Symbol.iterator] = LineCursor.prototype[Symbol.iterator] = function() {
      return this;
    };
  }
  var Line = class {
    /**
    @internal
    */
    constructor(from, to, number2, text) {
      this.from = from;
      this.to = to;
      this.number = number2;
      this.text = text;
    }
    /**
    The length of the line (not including any line break after it).
    */
    get length() {
      return this.to - this.from;
    }
  };
  function clip(text, from, to) {
    from = Math.max(0, Math.min(text.length, from));
    return [from, Math.max(from, Math.min(text.length, to))];
  }
  var extend = /* @__PURE__ */ "lc,34,7n,7,7b,19,,,,2,,2,,,20,b,1c,l,g,,2t,7,2,6,2,2,,4,z,,u,r,2j,b,1m,9,9,,o,4,,9,,3,,5,17,3,3b,f,,w,1j,,,,4,8,4,,3,7,a,2,t,,1m,,,,2,4,8,,9,,a,2,q,,2,2,1l,,4,2,4,2,2,3,3,,u,2,3,,b,2,1l,,4,5,,2,4,,k,2,m,6,,,1m,,,2,,4,8,,7,3,a,2,u,,1n,,,,c,,9,,14,,3,,1l,3,5,3,,4,7,2,b,2,t,,1m,,2,,2,,3,,5,2,7,2,b,2,s,2,1l,2,,,2,4,8,,9,,a,2,t,,20,,4,,2,3,,,8,,29,,2,7,c,8,2q,,2,9,b,6,22,2,r,,,,,,1j,e,,5,,2,5,b,,10,9,,2u,4,,6,,2,2,2,p,2,4,3,g,4,d,,2,2,6,,f,,jj,3,qa,3,t,3,t,2,u,2,1s,2,,7,8,,2,b,9,,19,3,3b,2,y,,3a,3,4,2,9,,6,3,63,2,2,,1m,,,7,,,,,2,8,6,a,2,,1c,h,1r,4,1c,7,,,5,,14,9,c,2,w,4,2,2,,3,1k,,,2,3,,,3,1m,8,2,2,48,3,,d,,7,4,,6,,3,2,5i,1m,,5,ek,,5f,x,2da,3,3x,,2o,w,fe,6,2x,2,n9w,4,,a,w,2,28,2,7k,,3,,4,,p,2,5,,47,2,q,i,d,,12,8,p,b,1a,3,1c,,2,4,2,2,13,,1v,6,2,2,2,2,c,,8,,1b,,1f,,,3,2,2,5,2,,,16,2,8,,6m,,2,,4,,fn4,,kh,g,g,g,a6,2,gt,,6a,,45,5,1ae,3,,2,5,4,14,3,4,,4l,2,fx,4,ar,2,49,b,4w,,1i,f,1k,3,1d,4,2,2,1x,3,10,5,,8,1q,,c,2,1g,9,a,4,2,,2n,3,2,,,2,6,,4g,,3,8,l,2,1l,2,,,,,m,,e,7,3,5,5f,8,2,3,,,n,,29,,2,6,,,2,,,2,,2,6j,,2,4,6,2,,2,r,2,2d,8,2,,,2,2y,,,,2,6,,,2t,3,2,4,,5,77,9,,2,6t,,a,2,,,4,,40,4,2,2,4,,w,a,14,6,2,4,8,,9,6,2,3,1a,d,,2,ba,7,,6,,,2a,m,2,7,,2,,2,3e,6,3,,,2,,7,,,20,2,3,,,,9n,2,f0b,5,1n,7,t4,,1r,4,29,,f5k,2,43q,,,3,4,5,8,8,2,7,u,4,44,3,1iz,1j,4,1e,8,,e,,m,5,,f,11s,7,,h,2,7,,2,,5,79,7,c5,4,15s,7,31,7,240,5,gx7k,2o,3k,6o".split(",").map((s) => s ? parseInt(s, 36) : 1);
  for (let i = 1; i < extend.length; i++)
    extend[i] += extend[i - 1];
  function isExtendingChar(code) {
    for (let i = 1; i < extend.length; i += 2)
      if (extend[i] > code)
        return extend[i - 1] <= code;
    return false;
  }
  function isRegionalIndicator(code) {
    return code >= 127462 && code <= 127487;
  }
  var ZWJ = 8205;
  function findClusterBreak(str, pos, forward = true, includeExtending = true) {
    return (forward ? nextClusterBreak : prevClusterBreak)(str, pos, includeExtending);
  }
  function nextClusterBreak(str, pos, includeExtending) {
    if (pos == str.length)
      return pos;
    if (pos && surrogateLow(str.charCodeAt(pos)) && surrogateHigh(str.charCodeAt(pos - 1)))
      pos--;
    let prev = codePointAt(str, pos);
    pos += codePointSize(prev);
    while (pos < str.length) {
      let next = codePointAt(str, pos);
      if (prev == ZWJ || next == ZWJ || includeExtending && isExtendingChar(next)) {
        pos += codePointSize(next);
        prev = next;
      } else if (isRegionalIndicator(next)) {
        let countBefore = 0, i = pos - 2;
        while (i >= 0 && isRegionalIndicator(codePointAt(str, i))) {
          countBefore++;
          i -= 2;
        }
        if (countBefore % 2 == 0)
          break;
        else
          pos += 2;
      } else {
        break;
      }
    }
    return pos;
  }
  function prevClusterBreak(str, pos, includeExtending) {
    while (pos > 0) {
      let found = nextClusterBreak(str, pos - 2, includeExtending);
      if (found < pos)
        return found;
      pos--;
    }
    return 0;
  }
  function surrogateLow(ch) {
    return ch >= 56320 && ch < 57344;
  }
  function surrogateHigh(ch) {
    return ch >= 55296 && ch < 56320;
  }
  function codePointAt(str, pos) {
    let code0 = str.charCodeAt(pos);
    if (!surrogateHigh(code0) || pos + 1 == str.length)
      return code0;
    let code1 = str.charCodeAt(pos + 1);
    if (!surrogateLow(code1))
      return code0;
    return (code0 - 55296 << 10) + (code1 - 56320) + 65536;
  }
  function fromCodePoint(code) {
    if (code <= 65535)
      return String.fromCharCode(code);
    code -= 65536;
    return String.fromCharCode((code >> 10) + 55296, (code & 1023) + 56320);
  }
  function codePointSize(code) {
    return code < 65536 ? 1 : 2;
  }
  var DefaultSplit = /\r\n?|\n/;
  var MapMode = /* @__PURE__ */ function(MapMode2) {
    MapMode2[MapMode2["Simple"] = 0] = "Simple";
    MapMode2[MapMode2["TrackDel"] = 1] = "TrackDel";
    MapMode2[MapMode2["TrackBefore"] = 2] = "TrackBefore";
    MapMode2[MapMode2["TrackAfter"] = 3] = "TrackAfter";
    return MapMode2;
  }(MapMode || (MapMode = {}));
  var ChangeDesc = class _ChangeDesc {
    // Sections are encoded as pairs of integers. The first is the
    // length in the current document, and the second is -1 for
    // unaffected sections, and the length of the replacement content
    // otherwise. So an insertion would be (0, n>0), a deletion (n>0,
    // 0), and a replacement two positive numbers.
    /**
    @internal
    */
    constructor(sections) {
      this.sections = sections;
    }
    /**
    The length of the document before the change.
    */
    get length() {
      let result = 0;
      for (let i = 0; i < this.sections.length; i += 2)
        result += this.sections[i];
      return result;
    }
    /**
    The length of the document after the change.
    */
    get newLength() {
      let result = 0;
      for (let i = 0; i < this.sections.length; i += 2) {
        let ins = this.sections[i + 1];
        result += ins < 0 ? this.sections[i] : ins;
      }
      return result;
    }
    /**
    False when there are actual changes in this set.
    */
    get empty() {
      return this.sections.length == 0 || this.sections.length == 2 && this.sections[1] < 0;
    }
    /**
    Iterate over the unchanged parts left by these changes. `posA`
    provides the position of the range in the old document, `posB`
    the new position in the changed document.
    */
    iterGaps(f) {
      for (let i = 0, posA = 0, posB = 0; i < this.sections.length; ) {
        let len = this.sections[i++], ins = this.sections[i++];
        if (ins < 0) {
          f(posA, posB, len);
          posB += len;
        } else {
          posB += ins;
        }
        posA += len;
      }
    }
    /**
    Iterate over the ranges changed by these changes. (See
    [`ChangeSet.iterChanges`](https://codemirror.net/6/docs/ref/#state.ChangeSet.iterChanges) for a
    variant that also provides you with the inserted text.)
    `fromA`/`toA` provides the extent of the change in the starting
    document, `fromB`/`toB` the extent of the replacement in the
    changed document.
    
    When `individual` is true, adjacent changes (which are kept
    separate for [position mapping](https://codemirror.net/6/docs/ref/#state.ChangeDesc.mapPos)) are
    reported separately.
    */
    iterChangedRanges(f, individual = false) {
      iterChanges(this, f, individual);
    }
    /**
    Get a description of the inverted form of these changes.
    */
    get invertedDesc() {
      let sections = [];
      for (let i = 0; i < this.sections.length; ) {
        let len = this.sections[i++], ins = this.sections[i++];
        if (ins < 0)
          sections.push(len, ins);
        else
          sections.push(ins, len);
      }
      return new _ChangeDesc(sections);
    }
    /**
    Compute the combined effect of applying another set of changes
    after this one. The length of the document after this set should
    match the length before `other`.
    */
    composeDesc(other) {
      return this.empty ? other : other.empty ? this : composeSets(this, other);
    }
    /**
    Map this description, which should start with the same document
    as `other`, over another set of changes, so that it can be
    applied after it. When `before` is true, map as if the changes
    in `other` happened before the ones in `this`.
    */
    mapDesc(other, before = false) {
      return other.empty ? this : mapSet(this, other, before);
    }
    mapPos(pos, assoc = -1, mode = MapMode.Simple) {
      let posA = 0, posB = 0;
      for (let i = 0; i < this.sections.length; ) {
        let len = this.sections[i++], ins = this.sections[i++], endA = posA + len;
        if (ins < 0) {
          if (endA > pos)
            return posB + (pos - posA);
          posB += len;
        } else {
          if (mode != MapMode.Simple && endA >= pos && (mode == MapMode.TrackDel && posA < pos && endA > pos || mode == MapMode.TrackBefore && posA < pos || mode == MapMode.TrackAfter && endA > pos))
            return null;
          if (endA > pos || endA == pos && assoc < 0 && !len)
            return pos == posA || assoc < 0 ? posB : posB + ins;
          posB += ins;
        }
        posA = endA;
      }
      if (pos > posA)
        throw new RangeError(`Position ${pos} is out of range for changeset of length ${posA}`);
      return posB;
    }
    /**
    Check whether these changes touch a given range. When one of the
    changes entirely covers the range, the string `"cover"` is
    returned.
    */
    touchesRange(from, to = from) {
      for (let i = 0, pos = 0; i < this.sections.length && pos <= to; ) {
        let len = this.sections[i++], ins = this.sections[i++], end = pos + len;
        if (ins >= 0 && pos <= to && end >= from)
          return pos < from && end > to ? "cover" : true;
        pos = end;
      }
      return false;
    }
    /**
    @internal
    */
    toString() {
      let result = "";
      for (let i = 0; i < this.sections.length; ) {
        let len = this.sections[i++], ins = this.sections[i++];
        result += (result ? " " : "") + len + (ins >= 0 ? ":" + ins : "");
      }
      return result;
    }
    /**
    Serialize this change desc to a JSON-representable value.
    */
    toJSON() {
      return this.sections;
    }
    /**
    Create a change desc from its JSON representation (as produced
    by [`toJSON`](https://codemirror.net/6/docs/ref/#state.ChangeDesc.toJSON).
    */
    static fromJSON(json) {
      if (!Array.isArray(json) || json.length % 2 || json.some((a) => typeof a != "number"))
        throw new RangeError("Invalid JSON representation of ChangeDesc");
      return new _ChangeDesc(json);
    }
    /**
    @internal
    */
    static create(sections) {
      return new _ChangeDesc(sections);
    }
  };
  var ChangeSet = class _ChangeSet extends ChangeDesc {
    constructor(sections, inserted) {
      super(sections);
      this.inserted = inserted;
    }
    /**
    Apply the changes to a document, returning the modified
    document.
    */
    apply(doc2) {
      if (this.length != doc2.length)
        throw new RangeError("Applying change set to a document with the wrong length");
      iterChanges(this, (fromA, toA, fromB, _toB, text) => doc2 = doc2.replace(fromB, fromB + (toA - fromA), text), false);
      return doc2;
    }
    mapDesc(other, before = false) {
      return mapSet(this, other, before, true);
    }
    /**
    Given the document as it existed _before_ the changes, return a
    change set that represents the inverse of this set, which could
    be used to go from the document created by the changes back to
    the document as it existed before the changes.
    */
    invert(doc2) {
      let sections = this.sections.slice(), inserted = [];
      for (let i = 0, pos = 0; i < sections.length; i += 2) {
        let len = sections[i], ins = sections[i + 1];
        if (ins >= 0) {
          sections[i] = ins;
          sections[i + 1] = len;
          let index = i >> 1;
          while (inserted.length < index)
            inserted.push(Text.empty);
          inserted.push(len ? doc2.slice(pos, pos + len) : Text.empty);
        }
        pos += len;
      }
      return new _ChangeSet(sections, inserted);
    }
    /**
    Combine two subsequent change sets into a single set. `other`
    must start in the document produced by `this`. If `this` goes
    `docA` → `docB` and `other` represents `docB` → `docC`, the
    returned value will represent the change `docA` → `docC`.
    */
    compose(other) {
      return this.empty ? other : other.empty ? this : composeSets(this, other, true);
    }
    /**
    Given another change set starting in the same document, maps this
    change set over the other, producing a new change set that can be
    applied to the document produced by applying `other`. When
    `before` is `true`, order changes as if `this` comes before
    `other`, otherwise (the default) treat `other` as coming first.
    
    Given two changes `A` and `B`, `A.compose(B.map(A))` and
    `B.compose(A.map(B, true))` will produce the same document. This
    provides a basic form of [operational
    transformation](https://en.wikipedia.org/wiki/Operational_transformation),
    and can be used for collaborative editing.
    */
    map(other, before = false) {
      return other.empty ? this : mapSet(this, other, before, true);
    }
    /**
    Iterate over the changed ranges in the document, calling `f` for
    each, with the range in the original document (`fromA`-`toA`)
    and the range that replaces it in the new document
    (`fromB`-`toB`).
    
    When `individual` is true, adjacent changes are reported
    separately.
    */
    iterChanges(f, individual = false) {
      iterChanges(this, f, individual);
    }
    /**
    Get a [change description](https://codemirror.net/6/docs/ref/#state.ChangeDesc) for this change
    set.
    */
    get desc() {
      return ChangeDesc.create(this.sections);
    }
    /**
    @internal
    */
    filter(ranges) {
      let resultSections = [], resultInserted = [], filteredSections = [];
      let iter = new SectionIter(this);
      done: for (let i = 0, pos = 0; ; ) {
        let next = i == ranges.length ? 1e9 : ranges[i++];
        while (pos < next || pos == next && iter.len == 0) {
          if (iter.done)
            break done;
          let len = Math.min(iter.len, next - pos);
          addSection(filteredSections, len, -1);
          let ins = iter.ins == -1 ? -1 : iter.off == 0 ? iter.ins : 0;
          addSection(resultSections, len, ins);
          if (ins > 0)
            addInsert(resultInserted, resultSections, iter.text);
          iter.forward(len);
          pos += len;
        }
        let end = ranges[i++];
        while (pos < end) {
          if (iter.done)
            break done;
          let len = Math.min(iter.len, end - pos);
          addSection(resultSections, len, -1);
          addSection(filteredSections, len, iter.ins == -1 ? -1 : iter.off == 0 ? iter.ins : 0);
          iter.forward(len);
          pos += len;
        }
      }
      return {
        changes: new _ChangeSet(resultSections, resultInserted),
        filtered: ChangeDesc.create(filteredSections)
      };
    }
    /**
    Serialize this change set to a JSON-representable value.
    */
    toJSON() {
      let parts = [];
      for (let i = 0; i < this.sections.length; i += 2) {
        let len = this.sections[i], ins = this.sections[i + 1];
        if (ins < 0)
          parts.push(len);
        else if (ins == 0)
          parts.push([len]);
        else
          parts.push([len].concat(this.inserted[i >> 1].toJSON()));
      }
      return parts;
    }
    /**
    Create a change set for the given changes, for a document of the
    given length, using `lineSep` as line separator.
    */
    static of(changes, length, lineSep) {
      let sections = [], inserted = [], pos = 0;
      let total = null;
      function flush(force = false) {
        if (!force && !sections.length)
          return;
        if (pos < length)
          addSection(sections, length - pos, -1);
        let set = new _ChangeSet(sections, inserted);
        total = total ? total.compose(set.map(total)) : set;
        sections = [];
        inserted = [];
        pos = 0;
      }
      function process2(spec) {
        if (Array.isArray(spec)) {
          for (let sub of spec)
            process2(sub);
        } else if (spec instanceof _ChangeSet) {
          if (spec.length != length)
            throw new RangeError(`Mismatched change set length (got ${spec.length}, expected ${length})`);
          flush();
          total = total ? total.compose(spec.map(total)) : spec;
        } else {
          let { from, to = from, insert: insert2 } = spec;
          if (from > to || from < 0 || to > length)
            throw new RangeError(`Invalid change range ${from} to ${to} (in doc of length ${length})`);
          let insText = !insert2 ? Text.empty : typeof insert2 == "string" ? Text.of(insert2.split(lineSep || DefaultSplit)) : insert2;
          let insLen = insText.length;
          if (from == to && insLen == 0)
            return;
          if (from < pos)
            flush();
          if (from > pos)
            addSection(sections, from - pos, -1);
          addSection(sections, to - from, insLen);
          addInsert(inserted, sections, insText);
          pos = to;
        }
      }
      process2(changes);
      flush(!total);
      return total;
    }
    /**
    Create an empty changeset of the given length.
    */
    static empty(length) {
      return new _ChangeSet(length ? [length, -1] : [], []);
    }
    /**
    Create a changeset from its JSON representation (as produced by
    [`toJSON`](https://codemirror.net/6/docs/ref/#state.ChangeSet.toJSON).
    */
    static fromJSON(json) {
      if (!Array.isArray(json))
        throw new RangeError("Invalid JSON representation of ChangeSet");
      let sections = [], inserted = [];
      for (let i = 0; i < json.length; i++) {
        let part = json[i];
        if (typeof part == "number") {
          sections.push(part, -1);
        } else if (!Array.isArray(part) || typeof part[0] != "number" || part.some((e, i2) => i2 && typeof e != "string")) {
          throw new RangeError("Invalid JSON representation of ChangeSet");
        } else if (part.length == 1) {
          sections.push(part[0], 0);
        } else {
          while (inserted.length < i)
            inserted.push(Text.empty);
          inserted[i] = Text.of(part.slice(1));
          sections.push(part[0], inserted[i].length);
        }
      }
      return new _ChangeSet(sections, inserted);
    }
    /**
    @internal
    */
    static createSet(sections, inserted) {
      return new _ChangeSet(sections, inserted);
    }
  };
  function addSection(sections, len, ins, forceJoin = false) {
    if (len == 0 && ins <= 0)
      return;
    let last = sections.length - 2;
    if (last >= 0 && ins <= 0 && ins == sections[last + 1])
      sections[last] += len;
    else if (len == 0 && sections[last] == 0)
      sections[last + 1] += ins;
    else if (forceJoin) {
      sections[last] += len;
      sections[last + 1] += ins;
    } else
      sections.push(len, ins);
  }
  function addInsert(values2, sections, value) {
    if (value.length == 0)
      return;
    let index = sections.length - 2 >> 1;
    if (index < values2.length) {
      values2[values2.length - 1] = values2[values2.length - 1].append(value);
    } else {
      while (values2.length < index)
        values2.push(Text.empty);
      values2.push(value);
    }
  }
  function iterChanges(desc, f, individual) {
    let inserted = desc.inserted;
    for (let posA = 0, posB = 0, i = 0; i < desc.sections.length; ) {
      let len = desc.sections[i++], ins = desc.sections[i++];
      if (ins < 0) {
        posA += len;
        posB += len;
      } else {
        let endA = posA, endB = posB, text = Text.empty;
        for (; ; ) {
          endA += len;
          endB += ins;
          if (ins && inserted)
            text = text.append(inserted[i - 2 >> 1]);
          if (individual || i == desc.sections.length || desc.sections[i + 1] < 0)
            break;
          len = desc.sections[i++];
          ins = desc.sections[i++];
        }
        f(posA, endA, posB, endB, text);
        posA = endA;
        posB = endB;
      }
    }
  }
  function mapSet(setA, setB, before, mkSet = false) {
    let sections = [], insert2 = mkSet ? [] : null;
    let a = new SectionIter(setA), b = new SectionIter(setB);
    for (let inserted = -1; ; ) {
      if (a.ins == -1 && b.ins == -1) {
        let len = Math.min(a.len, b.len);
        addSection(sections, len, -1);
        a.forward(len);
        b.forward(len);
      } else if (b.ins >= 0 && (a.ins < 0 || inserted == a.i || a.off == 0 && (b.len < a.len || b.len == a.len && !before))) {
        let len = b.len;
        addSection(sections, b.ins, -1);
        while (len) {
          let piece = Math.min(a.len, len);
          if (a.ins >= 0 && inserted < a.i && a.len <= piece) {
            addSection(sections, 0, a.ins);
            if (insert2)
              addInsert(insert2, sections, a.text);
            inserted = a.i;
          }
          a.forward(piece);
          len -= piece;
        }
        b.next();
      } else if (a.ins >= 0) {
        let len = 0, left = a.len;
        while (left) {
          if (b.ins == -1) {
            let piece = Math.min(left, b.len);
            len += piece;
            left -= piece;
            b.forward(piece);
          } else if (b.ins == 0 && b.len < left) {
            left -= b.len;
            b.next();
          } else {
            break;
          }
        }
        addSection(sections, len, inserted < a.i ? a.ins : 0);
        if (insert2 && inserted < a.i)
          addInsert(insert2, sections, a.text);
        inserted = a.i;
        a.forward(a.len - left);
      } else if (a.done && b.done) {
        return insert2 ? ChangeSet.createSet(sections, insert2) : ChangeDesc.create(sections);
      } else {
        throw new Error("Mismatched change set lengths");
      }
    }
  }
  function composeSets(setA, setB, mkSet = false) {
    let sections = [];
    let insert2 = mkSet ? [] : null;
    let a = new SectionIter(setA), b = new SectionIter(setB);
    for (let open = false; ; ) {
      if (a.done && b.done) {
        return insert2 ? ChangeSet.createSet(sections, insert2) : ChangeDesc.create(sections);
      } else if (a.ins == 0) {
        addSection(sections, a.len, 0, open);
        a.next();
      } else if (b.len == 0 && !b.done) {
        addSection(sections, 0, b.ins, open);
        if (insert2)
          addInsert(insert2, sections, b.text);
        b.next();
      } else if (a.done || b.done) {
        throw new Error("Mismatched change set lengths");
      } else {
        let len = Math.min(a.len2, b.len), sectionLen = sections.length;
        if (a.ins == -1) {
          let insB = b.ins == -1 ? -1 : b.off ? 0 : b.ins;
          addSection(sections, len, insB, open);
          if (insert2 && insB)
            addInsert(insert2, sections, b.text);
        } else if (b.ins == -1) {
          addSection(sections, a.off ? 0 : a.len, len, open);
          if (insert2)
            addInsert(insert2, sections, a.textBit(len));
        } else {
          addSection(sections, a.off ? 0 : a.len, b.off ? 0 : b.ins, open);
          if (insert2 && !b.off)
            addInsert(insert2, sections, b.text);
        }
        open = (a.ins > len || b.ins >= 0 && b.len > len) && (open || sections.length > sectionLen);
        a.forward2(len);
        b.forward(len);
      }
    }
  }
  var SectionIter = class {
    constructor(set) {
      this.set = set;
      this.i = 0;
      this.next();
    }
    next() {
      let { sections } = this.set;
      if (this.i < sections.length) {
        this.len = sections[this.i++];
        this.ins = sections[this.i++];
      } else {
        this.len = 0;
        this.ins = -2;
      }
      this.off = 0;
    }
    get done() {
      return this.ins == -2;
    }
    get len2() {
      return this.ins < 0 ? this.len : this.ins;
    }
    get text() {
      let { inserted } = this.set, index = this.i - 2 >> 1;
      return index >= inserted.length ? Text.empty : inserted[index];
    }
    textBit(len) {
      let { inserted } = this.set, index = this.i - 2 >> 1;
      return index >= inserted.length && !len ? Text.empty : inserted[index].slice(this.off, len == null ? void 0 : this.off + len);
    }
    forward(len) {
      if (len == this.len)
        this.next();
      else {
        this.len -= len;
        this.off += len;
      }
    }
    forward2(len) {
      if (this.ins == -1)
        this.forward(len);
      else if (len == this.ins)
        this.next();
      else {
        this.ins -= len;
        this.off += len;
      }
    }
  };
  var SelectionRange = class _SelectionRange {
    constructor(from, to, flags) {
      this.from = from;
      this.to = to;
      this.flags = flags;
    }
    /**
    The anchor of the range—the side that doesn't move when you
    extend it.
    */
    get anchor() {
      return this.flags & 32 ? this.to : this.from;
    }
    /**
    The head of the range, which is moved when the range is
    [extended](https://codemirror.net/6/docs/ref/#state.SelectionRange.extend).
    */
    get head() {
      return this.flags & 32 ? this.from : this.to;
    }
    /**
    True when `anchor` and `head` are at the same position.
    */
    get empty() {
      return this.from == this.to;
    }
    /**
    If this is a cursor that is explicitly associated with the
    character on one of its sides, this returns the side. -1 means
    the character before its position, 1 the character after, and 0
    means no association.
    */
    get assoc() {
      return this.flags & 8 ? -1 : this.flags & 16 ? 1 : 0;
    }
    /**
    The bidirectional text level associated with this cursor, if
    any.
    */
    get bidiLevel() {
      let level = this.flags & 7;
      return level == 7 ? null : level;
    }
    /**
    The goal column (stored vertical offset) associated with a
    cursor. This is used to preserve the vertical position when
    [moving](https://codemirror.net/6/docs/ref/#view.EditorView.moveVertically) across
    lines of different length.
    */
    get goalColumn() {
      let value = this.flags >> 6;
      return value == 16777215 ? void 0 : value;
    }
    /**
    Map this range through a change, producing a valid range in the
    updated document.
    */
    map(change, assoc = -1) {
      let from, to;
      if (this.empty) {
        from = to = change.mapPos(this.from, assoc);
      } else {
        from = change.mapPos(this.from, 1);
        to = change.mapPos(this.to, -1);
      }
      return from == this.from && to == this.to ? this : new _SelectionRange(from, to, this.flags);
    }
    /**
    Extend this range to cover at least `from` to `to`.
    */
    extend(from, to = from) {
      if (from <= this.anchor && to >= this.anchor)
        return EditorSelection.range(from, to);
      let head = Math.abs(from - this.anchor) > Math.abs(to - this.anchor) ? from : to;
      return EditorSelection.range(this.anchor, head);
    }
    /**
    Compare this range to another range.
    */
    eq(other, includeAssoc = false) {
      return this.anchor == other.anchor && this.head == other.head && (!includeAssoc || !this.empty || this.assoc == other.assoc);
    }
    /**
    Return a JSON-serializable object representing the range.
    */
    toJSON() {
      return { anchor: this.anchor, head: this.head };
    }
    /**
    Convert a JSON representation of a range to a `SelectionRange`
    instance.
    */
    static fromJSON(json) {
      if (!json || typeof json.anchor != "number" || typeof json.head != "number")
        throw new RangeError("Invalid JSON representation for SelectionRange");
      return EditorSelection.range(json.anchor, json.head);
    }
    /**
    @internal
    */
    static create(from, to, flags) {
      return new _SelectionRange(from, to, flags);
    }
  };
  var EditorSelection = class _EditorSelection {
    constructor(ranges, mainIndex) {
      this.ranges = ranges;
      this.mainIndex = mainIndex;
    }
    /**
    Map a selection through a change. Used to adjust the selection
    position for changes.
    */
    map(change, assoc = -1) {
      if (change.empty)
        return this;
      return _EditorSelection.create(this.ranges.map((r) => r.map(change, assoc)), this.mainIndex);
    }
    /**
    Compare this selection to another selection. By default, ranges
    are compared only by position. When `includeAssoc` is true,
    cursor ranges must also have the same
    [`assoc`](https://codemirror.net/6/docs/ref/#state.SelectionRange.assoc) value.
    */
    eq(other, includeAssoc = false) {
      if (this.ranges.length != other.ranges.length || this.mainIndex != other.mainIndex)
        return false;
      for (let i = 0; i < this.ranges.length; i++)
        if (!this.ranges[i].eq(other.ranges[i], includeAssoc))
          return false;
      return true;
    }
    /**
    Get the primary selection range. Usually, you should make sure
    your code applies to _all_ ranges, by using methods like
    [`changeByRange`](https://codemirror.net/6/docs/ref/#state.EditorState.changeByRange).
    */
    get main() {
      return this.ranges[this.mainIndex];
    }
    /**
    Make sure the selection only has one range. Returns a selection
    holding only the main range from this selection.
    */
    asSingle() {
      return this.ranges.length == 1 ? this : new _EditorSelection([this.main], 0);
    }
    /**
    Extend this selection with an extra range.
    */
    addRange(range, main = true) {
      return _EditorSelection.create([range].concat(this.ranges), main ? 0 : this.mainIndex + 1);
    }
    /**
    Replace a given range with another range, and then normalize the
    selection to merge and sort ranges if necessary.
    */
    replaceRange(range, which = this.mainIndex) {
      let ranges = this.ranges.slice();
      ranges[which] = range;
      return _EditorSelection.create(ranges, this.mainIndex);
    }
    /**
    Convert this selection to an object that can be serialized to
    JSON.
    */
    toJSON() {
      return { ranges: this.ranges.map((r) => r.toJSON()), main: this.mainIndex };
    }
    /**
    Create a selection from a JSON representation.
    */
    static fromJSON(json) {
      if (!json || !Array.isArray(json.ranges) || typeof json.main != "number" || json.main >= json.ranges.length)
        throw new RangeError("Invalid JSON representation for EditorSelection");
      return new _EditorSelection(json.ranges.map((r) => SelectionRange.fromJSON(r)), json.main);
    }
    /**
    Create a selection holding a single range.
    */
    static single(anchor, head = anchor) {
      return new _EditorSelection([_EditorSelection.range(anchor, head)], 0);
    }
    /**
    Sort and merge the given set of ranges, creating a valid
    selection.
    */
    static create(ranges, mainIndex = 0) {
      if (ranges.length == 0)
        throw new RangeError("A selection needs at least one range");
      for (let pos = 0, i = 0; i < ranges.length; i++) {
        let range = ranges[i];
        if (range.empty ? range.from <= pos : range.from < pos)
          return _EditorSelection.normalized(ranges.slice(), mainIndex);
        pos = range.to;
      }
      return new _EditorSelection(ranges, mainIndex);
    }
    /**
    Create a cursor selection range at the given position. You can
    safely ignore the optional arguments in most situations.
    */
    static cursor(pos, assoc = 0, bidiLevel, goalColumn) {
      return SelectionRange.create(pos, pos, (assoc == 0 ? 0 : assoc < 0 ? 8 : 16) | (bidiLevel == null ? 7 : Math.min(6, bidiLevel)) | (goalColumn !== null && goalColumn !== void 0 ? goalColumn : 16777215) << 6);
    }
    /**
    Create a selection range.
    */
    static range(anchor, head, goalColumn, bidiLevel) {
      let flags = (goalColumn !== null && goalColumn !== void 0 ? goalColumn : 16777215) << 6 | (bidiLevel == null ? 7 : Math.min(6, bidiLevel));
      return head < anchor ? SelectionRange.create(head, anchor, 32 | 16 | flags) : SelectionRange.create(anchor, head, (head > anchor ? 8 : 0) | flags);
    }
    /**
    @internal
    */
    static normalized(ranges, mainIndex = 0) {
      let main = ranges[mainIndex];
      ranges.sort((a, b) => a.from - b.from);
      mainIndex = ranges.indexOf(main);
      for (let i = 1; i < ranges.length; i++) {
        let range = ranges[i], prev = ranges[i - 1];
        if (range.empty ? range.from <= prev.to : range.from < prev.to) {
          let from = prev.from, to = Math.max(range.to, prev.to);
          if (i <= mainIndex)
            mainIndex--;
          ranges.splice(--i, 2, range.anchor > range.head ? _EditorSelection.range(to, from) : _EditorSelection.range(from, to));
        }
      }
      return new _EditorSelection(ranges, mainIndex);
    }
  };
  function checkSelection(selection, docLength) {
    for (let range of selection.ranges)
      if (range.to > docLength)
        throw new RangeError("Selection points outside of document");
  }
  var nextID = 0;
  var Facet = class _Facet {
    constructor(combine, compareInput, compare2, isStatic, enables) {
      this.combine = combine;
      this.compareInput = compareInput;
      this.compare = compare2;
      this.isStatic = isStatic;
      this.id = nextID++;
      this.default = combine([]);
      this.extensions = typeof enables == "function" ? enables(this) : enables;
    }
    /**
    Returns a facet reader for this facet, which can be used to
    [read](https://codemirror.net/6/docs/ref/#state.EditorState.facet) it but not to define values for it.
    */
    get reader() {
      return this;
    }
    /**
    Define a new facet.
    */
    static define(config2 = {}) {
      return new _Facet(config2.combine || ((a) => a), config2.compareInput || ((a, b) => a === b), config2.compare || (!config2.combine ? sameArray : (a, b) => a === b), !!config2.static, config2.enables);
    }
    /**
    Returns an extension that adds the given value to this facet.
    */
    of(value) {
      return new FacetProvider([], this, 0, value);
    }
    /**
    Create an extension that computes a value for the facet from a
    state. You must take care to declare the parts of the state that
    this value depends on, since your function is only called again
    for a new state when one of those parts changed.
    
    In cases where your value depends only on a single field, you'll
    want to use the [`from`](https://codemirror.net/6/docs/ref/#state.Facet.from) method instead.
    */
    compute(deps, get) {
      if (this.isStatic)
        throw new Error("Can't compute a static facet");
      return new FacetProvider(deps, this, 1, get);
    }
    /**
    Create an extension that computes zero or more values for this
    facet from a state.
    */
    computeN(deps, get) {
      if (this.isStatic)
        throw new Error("Can't compute a static facet");
      return new FacetProvider(deps, this, 2, get);
    }
    from(field, get) {
      if (!get)
        get = (x) => x;
      return this.compute([field], (state) => get(state.field(field)));
    }
  };
  function sameArray(a, b) {
    return a == b || a.length == b.length && a.every((e, i) => e === b[i]);
  }
  var FacetProvider = class {
    constructor(dependencies, facet, type, value) {
      this.dependencies = dependencies;
      this.facet = facet;
      this.type = type;
      this.value = value;
      this.id = nextID++;
    }
    dynamicSlot(addresses) {
      var _a2;
      let getter = this.value;
      let compare2 = this.facet.compareInput;
      let id2 = this.id, idx = addresses[id2] >> 1, multi = this.type == 2;
      let depDoc = false, depSel = false, depAddrs = [];
      for (let dep of this.dependencies) {
        if (dep == "doc")
          depDoc = true;
        else if (dep == "selection")
          depSel = true;
        else if ((((_a2 = addresses[dep.id]) !== null && _a2 !== void 0 ? _a2 : 1) & 1) == 0)
          depAddrs.push(addresses[dep.id]);
      }
      return {
        create(state) {
          state.values[idx] = getter(state);
          return 1;
        },
        update(state, tr) {
          if (depDoc && tr.docChanged || depSel && (tr.docChanged || tr.selection) || ensureAll(state, depAddrs)) {
            let newVal = getter(state);
            if (multi ? !compareArray(newVal, state.values[idx], compare2) : !compare2(newVal, state.values[idx])) {
              state.values[idx] = newVal;
              return 1;
            }
          }
          return 0;
        },
        reconfigure: (state, oldState) => {
          let newVal, oldAddr = oldState.config.address[id2];
          if (oldAddr != null) {
            let oldVal = getAddr(oldState, oldAddr);
            if (this.dependencies.every((dep) => {
              return dep instanceof Facet ? oldState.facet(dep) === state.facet(dep) : dep instanceof StateField ? oldState.field(dep, false) == state.field(dep, false) : true;
            }) || (multi ? compareArray(newVal = getter(state), oldVal, compare2) : compare2(newVal = getter(state), oldVal))) {
              state.values[idx] = oldVal;
              return 0;
            }
          } else {
            newVal = getter(state);
          }
          state.values[idx] = newVal;
          return 1;
        }
      };
    }
  };
  function compareArray(a, b, compare2) {
    if (a.length != b.length)
      return false;
    for (let i = 0; i < a.length; i++)
      if (!compare2(a[i], b[i]))
        return false;
    return true;
  }
  function ensureAll(state, addrs) {
    let changed = false;
    for (let addr of addrs)
      if (ensureAddr(state, addr) & 1)
        changed = true;
    return changed;
  }
  function dynamicFacetSlot(addresses, facet, providers) {
    let providerAddrs = providers.map((p) => addresses[p.id]);
    let providerTypes = providers.map((p) => p.type);
    let dynamic = providerAddrs.filter((p) => !(p & 1));
    let idx = addresses[facet.id] >> 1;
    function get(state) {
      let values2 = [];
      for (let i = 0; i < providerAddrs.length; i++) {
        let value = getAddr(state, providerAddrs[i]);
        if (providerTypes[i] == 2)
          for (let val of value)
            values2.push(val);
        else
          values2.push(value);
      }
      return facet.combine(values2);
    }
    return {
      create(state) {
        for (let addr of providerAddrs)
          ensureAddr(state, addr);
        state.values[idx] = get(state);
        return 1;
      },
      update(state, tr) {
        if (!ensureAll(state, dynamic))
          return 0;
        let value = get(state);
        if (facet.compare(value, state.values[idx]))
          return 0;
        state.values[idx] = value;
        return 1;
      },
      reconfigure(state, oldState) {
        let depChanged = ensureAll(state, providerAddrs);
        let oldProviders = oldState.config.facets[facet.id], oldValue = oldState.facet(facet);
        if (oldProviders && !depChanged && sameArray(providers, oldProviders)) {
          state.values[idx] = oldValue;
          return 0;
        }
        let value = get(state);
        if (facet.compare(value, oldValue)) {
          state.values[idx] = oldValue;
          return 0;
        }
        state.values[idx] = value;
        return 1;
      }
    };
  }
  var initField = /* @__PURE__ */ Facet.define({ static: true });
  var StateField = class _StateField {
    constructor(id2, createF, updateF, compareF, spec) {
      this.id = id2;
      this.createF = createF;
      this.updateF = updateF;
      this.compareF = compareF;
      this.spec = spec;
      this.provides = void 0;
    }
    /**
    Define a state field.
    */
    static define(config2) {
      let field = new _StateField(nextID++, config2.create, config2.update, config2.compare || ((a, b) => a === b), config2);
      if (config2.provide)
        field.provides = config2.provide(field);
      return field;
    }
    create(state) {
      let init = state.facet(initField).find((i) => i.field == this);
      return ((init === null || init === void 0 ? void 0 : init.create) || this.createF)(state);
    }
    /**
    @internal
    */
    slot(addresses) {
      let idx = addresses[this.id] >> 1;
      return {
        create: (state) => {
          state.values[idx] = this.create(state);
          return 1;
        },
        update: (state, tr) => {
          let oldVal = state.values[idx];
          let value = this.updateF(oldVal, tr);
          if (this.compareF(oldVal, value))
            return 0;
          state.values[idx] = value;
          return 1;
        },
        reconfigure: (state, oldState) => {
          if (oldState.config.address[this.id] != null) {
            state.values[idx] = oldState.field(this);
            return 0;
          }
          state.values[idx] = this.create(state);
          return 1;
        }
      };
    }
    /**
    Returns an extension that enables this field and overrides the
    way it is initialized. Can be useful when you need to provide a
    non-default starting value for the field.
    */
    init(create) {
      return [this, initField.of({ field: this, create })];
    }
    /**
    State field instances can be used as
    [`Extension`](https://codemirror.net/6/docs/ref/#state.Extension) values to enable the field in a
    given state.
    */
    get extension() {
      return this;
    }
  };
  var Prec_ = { lowest: 4, low: 3, default: 2, high: 1, highest: 0 };
  function prec(value) {
    return (ext) => new PrecExtension(ext, value);
  }
  var Prec = {
    /**
    The highest precedence level, for extensions that should end up
    near the start of the precedence ordering.
    */
    highest: /* @__PURE__ */ prec(Prec_.highest),
    /**
    A higher-than-default precedence, for extensions that should
    come before those with default precedence.
    */
    high: /* @__PURE__ */ prec(Prec_.high),
    /**
    The default precedence, which is also used for extensions
    without an explicit precedence.
    */
    default: /* @__PURE__ */ prec(Prec_.default),
    /**
    A lower-than-default precedence.
    */
    low: /* @__PURE__ */ prec(Prec_.low),
    /**
    The lowest precedence level. Meant for things that should end up
    near the end of the extension order.
    */
    lowest: /* @__PURE__ */ prec(Prec_.lowest)
  };
  var PrecExtension = class {
    constructor(inner, prec2) {
      this.inner = inner;
      this.prec = prec2;
    }
  };
  var Compartment = class _Compartment {
    /**
    Create an instance of this compartment to add to your [state
    configuration](https://codemirror.net/6/docs/ref/#state.EditorStateConfig.extensions).
    */
    of(ext) {
      return new CompartmentInstance(this, ext);
    }
    /**
    Create an [effect](https://codemirror.net/6/docs/ref/#state.TransactionSpec.effects) that
    reconfigures this compartment.
    */
    reconfigure(content2) {
      return _Compartment.reconfigure.of({ compartment: this, extension: content2 });
    }
    /**
    Get the current content of the compartment in the state, or
    `undefined` if it isn't present.
    */
    get(state) {
      return state.config.compartments.get(this);
    }
  };
  var CompartmentInstance = class {
    constructor(compartment, inner) {
      this.compartment = compartment;
      this.inner = inner;
    }
  };
  var Configuration = class _Configuration {
    constructor(base2, compartments, dynamicSlots, address, staticValues, facets) {
      this.base = base2;
      this.compartments = compartments;
      this.dynamicSlots = dynamicSlots;
      this.address = address;
      this.staticValues = staticValues;
      this.facets = facets;
      this.statusTemplate = [];
      while (this.statusTemplate.length < dynamicSlots.length)
        this.statusTemplate.push(
          0
          /* SlotStatus.Unresolved */
        );
    }
    staticFacet(facet) {
      let addr = this.address[facet.id];
      return addr == null ? facet.default : this.staticValues[addr >> 1];
    }
    static resolve(base2, compartments, oldState) {
      let fields = [];
      let facets = /* @__PURE__ */ Object.create(null);
      let newCompartments = /* @__PURE__ */ new Map();
      for (let ext of flatten(base2, compartments, newCompartments)) {
        if (ext instanceof StateField)
          fields.push(ext);
        else
          (facets[ext.facet.id] || (facets[ext.facet.id] = [])).push(ext);
      }
      let address = /* @__PURE__ */ Object.create(null);
      let staticValues = [];
      let dynamicSlots = [];
      for (let field of fields) {
        address[field.id] = dynamicSlots.length << 1;
        dynamicSlots.push((a) => field.slot(a));
      }
      let oldFacets = oldState === null || oldState === void 0 ? void 0 : oldState.config.facets;
      for (let id2 in facets) {
        let providers = facets[id2], facet = providers[0].facet;
        let oldProviders = oldFacets && oldFacets[id2] || [];
        if (providers.every(
          (p) => p.type == 0
          /* Provider.Static */
        )) {
          address[facet.id] = staticValues.length << 1 | 1;
          if (sameArray(oldProviders, providers)) {
            staticValues.push(oldState.facet(facet));
          } else {
            let value = facet.combine(providers.map((p) => p.value));
            staticValues.push(oldState && facet.compare(value, oldState.facet(facet)) ? oldState.facet(facet) : value);
          }
        } else {
          for (let p of providers) {
            if (p.type == 0) {
              address[p.id] = staticValues.length << 1 | 1;
              staticValues.push(p.value);
            } else {
              address[p.id] = dynamicSlots.length << 1;
              dynamicSlots.push((a) => p.dynamicSlot(a));
            }
          }
          address[facet.id] = dynamicSlots.length << 1;
          dynamicSlots.push((a) => dynamicFacetSlot(a, facet, providers));
        }
      }
      let dynamic = dynamicSlots.map((f) => f(address));
      return new _Configuration(base2, newCompartments, dynamic, address, staticValues, facets);
    }
  };
  function flatten(extension, compartments, newCompartments) {
    let result = [[], [], [], [], []];
    let seen = /* @__PURE__ */ new Map();
    function inner(ext, prec2) {
      let known = seen.get(ext);
      if (known != null) {
        if (known <= prec2)
          return;
        let found = result[known].indexOf(ext);
        if (found > -1)
          result[known].splice(found, 1);
        if (ext instanceof CompartmentInstance)
          newCompartments.delete(ext.compartment);
      }
      seen.set(ext, prec2);
      if (Array.isArray(ext)) {
        for (let e of ext)
          inner(e, prec2);
      } else if (ext instanceof CompartmentInstance) {
        if (newCompartments.has(ext.compartment))
          throw new RangeError(`Duplicate use of compartment in extensions`);
        let content2 = compartments.get(ext.compartment) || ext.inner;
        newCompartments.set(ext.compartment, content2);
        inner(content2, prec2);
      } else if (ext instanceof PrecExtension) {
        inner(ext.inner, ext.prec);
      } else if (ext instanceof StateField) {
        result[prec2].push(ext);
        if (ext.provides)
          inner(ext.provides, prec2);
      } else if (ext instanceof FacetProvider) {
        result[prec2].push(ext);
        if (ext.facet.extensions)
          inner(ext.facet.extensions, Prec_.default);
      } else {
        let content2 = ext.extension;
        if (!content2)
          throw new Error(`Unrecognized extension value in extension set (${ext}). This sometimes happens because multiple instances of @codemirror/state are loaded, breaking instanceof checks.`);
        inner(content2, prec2);
      }
    }
    inner(extension, Prec_.default);
    return result.reduce((a, b) => a.concat(b));
  }
  function ensureAddr(state, addr) {
    if (addr & 1)
      return 2;
    let idx = addr >> 1;
    let status = state.status[idx];
    if (status == 4)
      throw new Error("Cyclic dependency between fields and/or facets");
    if (status & 2)
      return status;
    state.status[idx] = 4;
    let changed = state.computeSlot(state, state.config.dynamicSlots[idx]);
    return state.status[idx] = 2 | changed;
  }
  function getAddr(state, addr) {
    return addr & 1 ? state.config.staticValues[addr >> 1] : state.values[addr >> 1];
  }
  var languageData = /* @__PURE__ */ Facet.define();
  var allowMultipleSelections = /* @__PURE__ */ Facet.define({
    combine: (values2) => values2.some((v) => v),
    static: true
  });
  var lineSeparator = /* @__PURE__ */ Facet.define({
    combine: (values2) => values2.length ? values2[0] : void 0,
    static: true
  });
  var changeFilter = /* @__PURE__ */ Facet.define();
  var transactionFilter = /* @__PURE__ */ Facet.define();
  var transactionExtender = /* @__PURE__ */ Facet.define();
  var readOnly = /* @__PURE__ */ Facet.define({
    combine: (values2) => values2.length ? values2[0] : false
  });
  var Annotation = class {
    /**
    @internal
    */
    constructor(type, value) {
      this.type = type;
      this.value = value;
    }
    /**
    Define a new type of annotation.
    */
    static define() {
      return new AnnotationType();
    }
  };
  var AnnotationType = class {
    /**
    Create an instance of this annotation.
    */
    of(value) {
      return new Annotation(this, value);
    }
  };
  var StateEffectType = class {
    /**
    @internal
    */
    constructor(map) {
      this.map = map;
    }
    /**
    Create a [state effect](https://codemirror.net/6/docs/ref/#state.StateEffect) instance of this
    type.
    */
    of(value) {
      return new StateEffect(this, value);
    }
  };
  var StateEffect = class _StateEffect {
    /**
    @internal
    */
    constructor(type, value) {
      this.type = type;
      this.value = value;
    }
    /**
    Map this effect through a position mapping. Will return
    `undefined` when that ends up deleting the effect.
    */
    map(mapping) {
      let mapped = this.type.map(this.value, mapping);
      return mapped === void 0 ? void 0 : mapped == this.value ? this : new _StateEffect(this.type, mapped);
    }
    /**
    Tells you whether this effect object is of a given
    [type](https://codemirror.net/6/docs/ref/#state.StateEffectType).
    */
    is(type) {
      return this.type == type;
    }
    /**
    Define a new effect type. The type parameter indicates the type
    of values that his effect holds. It should be a type that
    doesn't include `undefined`, since that is used in
    [mapping](https://codemirror.net/6/docs/ref/#state.StateEffect.map) to indicate that an effect is
    removed.
    */
    static define(spec = {}) {
      return new StateEffectType(spec.map || ((v) => v));
    }
    /**
    Map an array of effects through a change set.
    */
    static mapEffects(effects, mapping) {
      if (!effects.length)
        return effects;
      let result = [];
      for (let effect of effects) {
        let mapped = effect.map(mapping);
        if (mapped)
          result.push(mapped);
      }
      return result;
    }
  };
  StateEffect.reconfigure = /* @__PURE__ */ StateEffect.define();
  StateEffect.appendConfig = /* @__PURE__ */ StateEffect.define();
  var Transaction = class _Transaction {
    constructor(startState, changes, selection, effects, annotations, scrollIntoView3) {
      this.startState = startState;
      this.changes = changes;
      this.selection = selection;
      this.effects = effects;
      this.annotations = annotations;
      this.scrollIntoView = scrollIntoView3;
      this._doc = null;
      this._state = null;
      if (selection)
        checkSelection(selection, changes.newLength);
      if (!annotations.some((a) => a.type == _Transaction.time))
        this.annotations = annotations.concat(_Transaction.time.of(Date.now()));
    }
    /**
    @internal
    */
    static create(startState, changes, selection, effects, annotations, scrollIntoView3) {
      return new _Transaction(startState, changes, selection, effects, annotations, scrollIntoView3);
    }
    /**
    The new document produced by the transaction. Contrary to
    [`.state`](https://codemirror.net/6/docs/ref/#state.Transaction.state)`.doc`, accessing this won't
    force the entire new state to be computed right away, so it is
    recommended that [transaction
    filters](https://codemirror.net/6/docs/ref/#state.EditorState^transactionFilter) use this getter
    when they need to look at the new document.
    */
    get newDoc() {
      return this._doc || (this._doc = this.changes.apply(this.startState.doc));
    }
    /**
    The new selection produced by the transaction. If
    [`this.selection`](https://codemirror.net/6/docs/ref/#state.Transaction.selection) is undefined,
    this will [map](https://codemirror.net/6/docs/ref/#state.EditorSelection.map) the start state's
    current selection through the changes made by the transaction.
    */
    get newSelection() {
      return this.selection || this.startState.selection.map(this.changes);
    }
    /**
    The new state created by the transaction. Computed on demand
    (but retained for subsequent access), so it is recommended not to
    access it in [transaction
    filters](https://codemirror.net/6/docs/ref/#state.EditorState^transactionFilter) when possible.
    */
    get state() {
      if (!this._state)
        this.startState.applyTransaction(this);
      return this._state;
    }
    /**
    Get the value of the given annotation type, if any.
    */
    annotation(type) {
      for (let ann of this.annotations)
        if (ann.type == type)
          return ann.value;
      return void 0;
    }
    /**
    Indicates whether the transaction changed the document.
    */
    get docChanged() {
      return !this.changes.empty;
    }
    /**
    Indicates whether this transaction reconfigures the state
    (through a [configuration compartment](https://codemirror.net/6/docs/ref/#state.Compartment) or
    with a top-level configuration
    [effect](https://codemirror.net/6/docs/ref/#state.StateEffect^reconfigure).
    */
    get reconfigured() {
      return this.startState.config != this.state.config;
    }
    /**
    Returns true if the transaction has a [user
    event](https://codemirror.net/6/docs/ref/#state.Transaction^userEvent) annotation that is equal to
    or more specific than `event`. For example, if the transaction
    has `"select.pointer"` as user event, `"select"` and
    `"select.pointer"` will match it.
    */
    isUserEvent(event) {
      let e = this.annotation(_Transaction.userEvent);
      return !!(e && (e == event || e.length > event.length && e.slice(0, event.length) == event && e[event.length] == "."));
    }
  };
  Transaction.time = /* @__PURE__ */ Annotation.define();
  Transaction.userEvent = /* @__PURE__ */ Annotation.define();
  Transaction.addToHistory = /* @__PURE__ */ Annotation.define();
  Transaction.remote = /* @__PURE__ */ Annotation.define();
  function joinRanges(a, b) {
    let result = [];
    for (let iA = 0, iB = 0; ; ) {
      let from, to;
      if (iA < a.length && (iB == b.length || b[iB] >= a[iA])) {
        from = a[iA++];
        to = a[iA++];
      } else if (iB < b.length) {
        from = b[iB++];
        to = b[iB++];
      } else
        return result;
      if (!result.length || result[result.length - 1] < from)
        result.push(from, to);
      else if (result[result.length - 1] < to)
        result[result.length - 1] = to;
    }
  }
  function mergeTransaction(a, b, sequential) {
    var _a2;
    let mapForA, mapForB, changes;
    if (sequential) {
      mapForA = b.changes;
      mapForB = ChangeSet.empty(b.changes.length);
      changes = a.changes.compose(b.changes);
    } else {
      mapForA = b.changes.map(a.changes);
      mapForB = a.changes.mapDesc(b.changes, true);
      changes = a.changes.compose(mapForA);
    }
    return {
      changes,
      selection: b.selection ? b.selection.map(mapForB) : (_a2 = a.selection) === null || _a2 === void 0 ? void 0 : _a2.map(mapForA),
      effects: StateEffect.mapEffects(a.effects, mapForA).concat(StateEffect.mapEffects(b.effects, mapForB)),
      annotations: a.annotations.length ? a.annotations.concat(b.annotations) : b.annotations,
      scrollIntoView: a.scrollIntoView || b.scrollIntoView
    };
  }
  function resolveTransactionInner(state, spec, docSize) {
    let sel = spec.selection, annotations = asArray(spec.annotations);
    if (spec.userEvent)
      annotations = annotations.concat(Transaction.userEvent.of(spec.userEvent));
    return {
      changes: spec.changes instanceof ChangeSet ? spec.changes : ChangeSet.of(spec.changes || [], docSize, state.facet(lineSeparator)),
      selection: sel && (sel instanceof EditorSelection ? sel : EditorSelection.single(sel.anchor, sel.head)),
      effects: asArray(spec.effects),
      annotations,
      scrollIntoView: !!spec.scrollIntoView
    };
  }
  function resolveTransaction(state, specs, filter) {
    let s = resolveTransactionInner(state, specs.length ? specs[0] : {}, state.doc.length);
    if (specs.length && specs[0].filter === false)
      filter = false;
    for (let i = 1; i < specs.length; i++) {
      if (specs[i].filter === false)
        filter = false;
      let seq = !!specs[i].sequential;
      s = mergeTransaction(s, resolveTransactionInner(state, specs[i], seq ? s.changes.newLength : state.doc.length), seq);
    }
    let tr = Transaction.create(state, s.changes, s.selection, s.effects, s.annotations, s.scrollIntoView);
    return extendTransaction(filter ? filterTransaction(tr) : tr);
  }
  function filterTransaction(tr) {
    let state = tr.startState;
    let result = true;
    for (let filter of state.facet(changeFilter)) {
      let value = filter(tr);
      if (value === false) {
        result = false;
        break;
      }
      if (Array.isArray(value))
        result = result === true ? value : joinRanges(result, value);
    }
    if (result !== true) {
      let changes, back;
      if (result === false) {
        back = tr.changes.invertedDesc;
        changes = ChangeSet.empty(state.doc.length);
      } else {
        let filtered = tr.changes.filter(result);
        changes = filtered.changes;
        back = filtered.filtered.mapDesc(filtered.changes).invertedDesc;
      }
      tr = Transaction.create(state, changes, tr.selection && tr.selection.map(back), StateEffect.mapEffects(tr.effects, back), tr.annotations, tr.scrollIntoView);
    }
    let filters = state.facet(transactionFilter);
    for (let i = filters.length - 1; i >= 0; i--) {
      let filtered = filters[i](tr);
      if (filtered instanceof Transaction)
        tr = filtered;
      else if (Array.isArray(filtered) && filtered.length == 1 && filtered[0] instanceof Transaction)
        tr = filtered[0];
      else
        tr = resolveTransaction(state, asArray(filtered), false);
    }
    return tr;
  }
  function extendTransaction(tr) {
    let state = tr.startState, extenders = state.facet(transactionExtender), spec = tr;
    for (let i = extenders.length - 1; i >= 0; i--) {
      let extension = extenders[i](tr);
      if (extension && Object.keys(extension).length)
        spec = mergeTransaction(spec, resolveTransactionInner(state, extension, tr.changes.newLength), true);
    }
    return spec == tr ? tr : Transaction.create(state, tr.changes, tr.selection, spec.effects, spec.annotations, spec.scrollIntoView);
  }
  var none = [];
  function asArray(value) {
    return value == null ? none : Array.isArray(value) ? value : [value];
  }
  var CharCategory = /* @__PURE__ */ function(CharCategory2) {
    CharCategory2[CharCategory2["Word"] = 0] = "Word";
    CharCategory2[CharCategory2["Space"] = 1] = "Space";
    CharCategory2[CharCategory2["Other"] = 2] = "Other";
    return CharCategory2;
  }(CharCategory || (CharCategory = {}));
  var nonASCIISingleCaseWordChar = /[\u00df\u0587\u0590-\u05f4\u0600-\u06ff\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/;
  var wordChar;
  try {
    wordChar = /* @__PURE__ */ new RegExp("[\\p{Alphabetic}\\p{Number}_]", "u");
  } catch (_) {
  }
  function hasWordChar(str) {
    if (wordChar)
      return wordChar.test(str);
    for (let i = 0; i < str.length; i++) {
      let ch = str[i];
      if (/\w/.test(ch) || ch > "\x80" && (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch)))
        return true;
    }
    return false;
  }
  function makeCategorizer(wordChars) {
    return (char) => {
      if (!/\S/.test(char))
        return CharCategory.Space;
      if (hasWordChar(char))
        return CharCategory.Word;
      for (let i = 0; i < wordChars.length; i++)
        if (char.indexOf(wordChars[i]) > -1)
          return CharCategory.Word;
      return CharCategory.Other;
    };
  }
  var EditorState = class _EditorState {
    constructor(config2, doc2, selection, values2, computeSlot, tr) {
      this.config = config2;
      this.doc = doc2;
      this.selection = selection;
      this.values = values2;
      this.status = config2.statusTemplate.slice();
      this.computeSlot = computeSlot;
      if (tr)
        tr._state = this;
      for (let i = 0; i < this.config.dynamicSlots.length; i++)
        ensureAddr(this, i << 1);
      this.computeSlot = null;
    }
    field(field, require2 = true) {
      let addr = this.config.address[field.id];
      if (addr == null) {
        if (require2)
          throw new RangeError("Field is not present in this state");
        return void 0;
      }
      ensureAddr(this, addr);
      return getAddr(this, addr);
    }
    /**
    Create a [transaction](https://codemirror.net/6/docs/ref/#state.Transaction) that updates this
    state. Any number of [transaction specs](https://codemirror.net/6/docs/ref/#state.TransactionSpec)
    can be passed. Unless
    [`sequential`](https://codemirror.net/6/docs/ref/#state.TransactionSpec.sequential) is set, the
    [changes](https://codemirror.net/6/docs/ref/#state.TransactionSpec.changes) (if any) of each spec
    are assumed to start in the _current_ document (not the document
    produced by previous specs), and its
    [selection](https://codemirror.net/6/docs/ref/#state.TransactionSpec.selection) and
    [effects](https://codemirror.net/6/docs/ref/#state.TransactionSpec.effects) are assumed to refer
    to the document created by its _own_ changes. The resulting
    transaction contains the combined effect of all the different
    specs. For [selection](https://codemirror.net/6/docs/ref/#state.TransactionSpec.selection), later
    specs take precedence over earlier ones.
    */
    update(...specs) {
      return resolveTransaction(this, specs, true);
    }
    /**
    @internal
    */
    applyTransaction(tr) {
      let conf = this.config, { base: base2, compartments } = conf;
      for (let effect of tr.effects) {
        if (effect.is(Compartment.reconfigure)) {
          if (conf) {
            compartments = /* @__PURE__ */ new Map();
            conf.compartments.forEach((val, key) => compartments.set(key, val));
            conf = null;
          }
          compartments.set(effect.value.compartment, effect.value.extension);
        } else if (effect.is(StateEffect.reconfigure)) {
          conf = null;
          base2 = effect.value;
        } else if (effect.is(StateEffect.appendConfig)) {
          conf = null;
          base2 = asArray(base2).concat(effect.value);
        }
      }
      let startValues;
      if (!conf) {
        conf = Configuration.resolve(base2, compartments, this);
        let intermediateState = new _EditorState(conf, this.doc, this.selection, conf.dynamicSlots.map(() => null), (state, slot) => slot.reconfigure(state, this), null);
        startValues = intermediateState.values;
      } else {
        startValues = tr.startState.values.slice();
      }
      let selection = tr.startState.facet(allowMultipleSelections) ? tr.newSelection : tr.newSelection.asSingle();
      new _EditorState(conf, tr.newDoc, selection, startValues, (state, slot) => slot.update(state, tr), tr);
    }
    /**
    Create a [transaction spec](https://codemirror.net/6/docs/ref/#state.TransactionSpec) that
    replaces every selection range with the given content.
    */
    replaceSelection(text) {
      if (typeof text == "string")
        text = this.toText(text);
      return this.changeByRange((range) => ({
        changes: { from: range.from, to: range.to, insert: text },
        range: EditorSelection.cursor(range.from + text.length)
      }));
    }
    /**
    Create a set of changes and a new selection by running the given
    function for each range in the active selection. The function
    can return an optional set of changes (in the coordinate space
    of the start document), plus an updated range (in the coordinate
    space of the document produced by the call's own changes). This
    method will merge all the changes and ranges into a single
    changeset and selection, and return it as a [transaction
    spec](https://codemirror.net/6/docs/ref/#state.TransactionSpec), which can be passed to
    [`update`](https://codemirror.net/6/docs/ref/#state.EditorState.update).
    */
    changeByRange(f) {
      let sel = this.selection;
      let result1 = f(sel.ranges[0]);
      let changes = this.changes(result1.changes), ranges = [result1.range];
      let effects = asArray(result1.effects);
      for (let i = 1; i < sel.ranges.length; i++) {
        let result = f(sel.ranges[i]);
        let newChanges = this.changes(result.changes), newMapped = newChanges.map(changes);
        for (let j = 0; j < i; j++)
          ranges[j] = ranges[j].map(newMapped);
        let mapBy = changes.mapDesc(newChanges, true);
        ranges.push(result.range.map(mapBy));
        changes = changes.compose(newMapped);
        effects = StateEffect.mapEffects(effects, newMapped).concat(StateEffect.mapEffects(asArray(result.effects), mapBy));
      }
      return {
        changes,
        selection: EditorSelection.create(ranges, sel.mainIndex),
        effects
      };
    }
    /**
    Create a [change set](https://codemirror.net/6/docs/ref/#state.ChangeSet) from the given change
    description, taking the state's document length and line
    separator into account.
    */
    changes(spec = []) {
      if (spec instanceof ChangeSet)
        return spec;
      return ChangeSet.of(spec, this.doc.length, this.facet(_EditorState.lineSeparator));
    }
    /**
    Using the state's [line
    separator](https://codemirror.net/6/docs/ref/#state.EditorState^lineSeparator), create a
    [`Text`](https://codemirror.net/6/docs/ref/#state.Text) instance from the given string.
    */
    toText(string2) {
      return Text.of(string2.split(this.facet(_EditorState.lineSeparator) || DefaultSplit));
    }
    /**
    Return the given range of the document as a string.
    */
    sliceDoc(from = 0, to = this.doc.length) {
      return this.doc.sliceString(from, to, this.lineBreak);
    }
    /**
    Get the value of a state [facet](https://codemirror.net/6/docs/ref/#state.Facet).
    */
    facet(facet) {
      let addr = this.config.address[facet.id];
      if (addr == null)
        return facet.default;
      ensureAddr(this, addr);
      return getAddr(this, addr);
    }
    /**
    Convert this state to a JSON-serializable object. When custom
    fields should be serialized, you can pass them in as an object
    mapping property names (in the resulting object, which should
    not use `doc` or `selection`) to fields.
    */
    toJSON(fields) {
      let result = {
        doc: this.sliceDoc(),
        selection: this.selection.toJSON()
      };
      if (fields)
        for (let prop in fields) {
          let value = fields[prop];
          if (value instanceof StateField && this.config.address[value.id] != null)
            result[prop] = value.spec.toJSON(this.field(fields[prop]), this);
        }
      return result;
    }
    /**
    Deserialize a state from its JSON representation. When custom
    fields should be deserialized, pass the same object you passed
    to [`toJSON`](https://codemirror.net/6/docs/ref/#state.EditorState.toJSON) when serializing as
    third argument.
    */
    static fromJSON(json, config2 = {}, fields) {
      if (!json || typeof json.doc != "string")
        throw new RangeError("Invalid JSON representation for EditorState");
      let fieldInit = [];
      if (fields)
        for (let prop in fields) {
          if (Object.prototype.hasOwnProperty.call(json, prop)) {
            let field = fields[prop], value = json[prop];
            fieldInit.push(field.init((state) => field.spec.fromJSON(value, state)));
          }
        }
      return _EditorState.create({
        doc: json.doc,
        selection: EditorSelection.fromJSON(json.selection),
        extensions: config2.extensions ? fieldInit.concat([config2.extensions]) : fieldInit
      });
    }
    /**
    Create a new state. You'll usually only need this when
    initializing an editor—updated states are created by applying
    transactions.
    */
    static create(config2 = {}) {
      let configuration = Configuration.resolve(config2.extensions || [], /* @__PURE__ */ new Map());
      let doc2 = config2.doc instanceof Text ? config2.doc : Text.of((config2.doc || "").split(configuration.staticFacet(_EditorState.lineSeparator) || DefaultSplit));
      let selection = !config2.selection ? EditorSelection.single(0) : config2.selection instanceof EditorSelection ? config2.selection : EditorSelection.single(config2.selection.anchor, config2.selection.head);
      checkSelection(selection, doc2.length);
      if (!configuration.staticFacet(allowMultipleSelections))
        selection = selection.asSingle();
      return new _EditorState(configuration, doc2, selection, configuration.dynamicSlots.map(() => null), (state, slot) => slot.create(state), null);
    }
    /**
    The size (in columns) of a tab in the document, determined by
    the [`tabSize`](https://codemirror.net/6/docs/ref/#state.EditorState^tabSize) facet.
    */
    get tabSize() {
      return this.facet(_EditorState.tabSize);
    }
    /**
    Get the proper [line-break](https://codemirror.net/6/docs/ref/#state.EditorState^lineSeparator)
    string for this state.
    */
    get lineBreak() {
      return this.facet(_EditorState.lineSeparator) || "\n";
    }
    /**
    Returns true when the editor is
    [configured](https://codemirror.net/6/docs/ref/#state.EditorState^readOnly) to be read-only.
    */
    get readOnly() {
      return this.facet(readOnly);
    }
    /**
    Look up a translation for the given phrase (via the
    [`phrases`](https://codemirror.net/6/docs/ref/#state.EditorState^phrases) facet), or return the
    original string if no translation is found.
    
    If additional arguments are passed, they will be inserted in
    place of markers like `$1` (for the first value) and `$2`, etc.
    A single `$` is equivalent to `$1`, and `$$` will produce a
    literal dollar sign.
    */
    phrase(phrase2, ...insert2) {
      for (let map of this.facet(_EditorState.phrases))
        if (Object.prototype.hasOwnProperty.call(map, phrase2)) {
          phrase2 = map[phrase2];
          break;
        }
      if (insert2.length)
        phrase2 = phrase2.replace(/\$(\$|\d*)/g, (m, i) => {
          if (i == "$")
            return "$";
          let n = +(i || 1);
          return !n || n > insert2.length ? m : insert2[n - 1];
        });
      return phrase2;
    }
    /**
    Find the values for a given language data field, provided by the
    the [`languageData`](https://codemirror.net/6/docs/ref/#state.EditorState^languageData) facet.
    
    Examples of language data fields are...
    
    - [`"commentTokens"`](https://codemirror.net/6/docs/ref/#commands.CommentTokens) for specifying
      comment syntax.
    - [`"autocomplete"`](https://codemirror.net/6/docs/ref/#autocomplete.autocompletion^config.override)
      for providing language-specific completion sources.
    - [`"wordChars"`](https://codemirror.net/6/docs/ref/#state.EditorState.charCategorizer) for adding
      characters that should be considered part of words in this
      language.
    - [`"closeBrackets"`](https://codemirror.net/6/docs/ref/#autocomplete.CloseBracketConfig) controls
      bracket closing behavior.
    */
    languageDataAt(name2, pos, side = -1) {
      let values2 = [];
      for (let provider of this.facet(languageData)) {
        for (let result of provider(this, pos, side)) {
          if (Object.prototype.hasOwnProperty.call(result, name2))
            values2.push(result[name2]);
        }
      }
      return values2;
    }
    /**
    Return a function that can categorize strings (expected to
    represent a single [grapheme cluster](https://codemirror.net/6/docs/ref/#state.findClusterBreak))
    into one of:
    
     - Word (contains an alphanumeric character or a character
       explicitly listed in the local language's `"wordChars"`
       language data, which should be a string)
     - Space (contains only whitespace)
     - Other (anything else)
    */
    charCategorizer(at) {
      return makeCategorizer(this.languageDataAt("wordChars", at).join(""));
    }
    /**
    Find the word at the given position, meaning the range
    containing all [word](https://codemirror.net/6/docs/ref/#state.CharCategory.Word) characters
    around it. If no word characters are adjacent to the position,
    this returns null.
    */
    wordAt(pos) {
      let { text, from, length } = this.doc.lineAt(pos);
      let cat = this.charCategorizer(pos);
      let start = pos - from, end = pos - from;
      while (start > 0) {
        let prev = findClusterBreak(text, start, false);
        if (cat(text.slice(prev, start)) != CharCategory.Word)
          break;
        start = prev;
      }
      while (end < length) {
        let next = findClusterBreak(text, end);
        if (cat(text.slice(end, next)) != CharCategory.Word)
          break;
        end = next;
      }
      return start == end ? null : EditorSelection.range(start + from, end + from);
    }
  };
  EditorState.allowMultipleSelections = allowMultipleSelections;
  EditorState.tabSize = /* @__PURE__ */ Facet.define({
    combine: (values2) => values2.length ? values2[0] : 4
  });
  EditorState.lineSeparator = lineSeparator;
  EditorState.readOnly = readOnly;
  EditorState.phrases = /* @__PURE__ */ Facet.define({
    compare(a, b) {
      let kA = Object.keys(a), kB = Object.keys(b);
      return kA.length == kB.length && kA.every((k) => a[k] == b[k]);
    }
  });
  EditorState.languageData = languageData;
  EditorState.changeFilter = changeFilter;
  EditorState.transactionFilter = transactionFilter;
  EditorState.transactionExtender = transactionExtender;
  Compartment.reconfigure = /* @__PURE__ */ StateEffect.define();
  function combineConfig(configs, defaults3, combine = {}) {
    let result = {};
    for (let config2 of configs)
      for (let key of Object.keys(config2)) {
        let value = config2[key], current = result[key];
        if (current === void 0)
          result[key] = value;
        else if (current === value || value === void 0) ;
        else if (Object.hasOwnProperty.call(combine, key))
          result[key] = combine[key](current, value);
        else
          throw new Error("Config merge conflict for field " + key);
      }
    for (let key in defaults3)
      if (result[key] === void 0)
        result[key] = defaults3[key];
    return result;
  }
  var RangeValue = class {
    /**
    Compare this value with another value. Used when comparing
    rangesets. The default implementation compares by identity.
    Unless you are only creating a fixed number of unique instances
    of your value type, it is a good idea to implement this
    properly.
    */
    eq(other) {
      return this == other;
    }
    /**
    Create a [range](https://codemirror.net/6/docs/ref/#state.Range) with this value.
    */
    range(from, to = from) {
      return Range.create(from, to, this);
    }
  };
  RangeValue.prototype.startSide = RangeValue.prototype.endSide = 0;
  RangeValue.prototype.point = false;
  RangeValue.prototype.mapMode = MapMode.TrackDel;
  var Range = class _Range {
    constructor(from, to, value) {
      this.from = from;
      this.to = to;
      this.value = value;
    }
    /**
    @internal
    */
    static create(from, to, value) {
      return new _Range(from, to, value);
    }
  };
  function cmpRange(a, b) {
    return a.from - b.from || a.value.startSide - b.value.startSide;
  }
  var Chunk = class _Chunk {
    constructor(from, to, value, maxPoint) {
      this.from = from;
      this.to = to;
      this.value = value;
      this.maxPoint = maxPoint;
    }
    get length() {
      return this.to[this.to.length - 1];
    }
    // Find the index of the given position and side. Use the ranges'
    // `from` pos when `end == false`, `to` when `end == true`.
    findIndex(pos, side, end, startAt = 0) {
      let arr = end ? this.to : this.from;
      for (let lo = startAt, hi = arr.length; ; ) {
        if (lo == hi)
          return lo;
        let mid = lo + hi >> 1;
        let diff = arr[mid] - pos || (end ? this.value[mid].endSide : this.value[mid].startSide) - side;
        if (mid == lo)
          return diff >= 0 ? lo : hi;
        if (diff >= 0)
          hi = mid;
        else
          lo = mid + 1;
      }
    }
    between(offset, from, to, f) {
      for (let i = this.findIndex(from, -1e9, true), e = this.findIndex(to, 1e9, false, i); i < e; i++)
        if (f(this.from[i] + offset, this.to[i] + offset, this.value[i]) === false)
          return false;
    }
    map(offset, changes) {
      let value = [], from = [], to = [], newPos = -1, maxPoint = -1;
      for (let i = 0; i < this.value.length; i++) {
        let val = this.value[i], curFrom = this.from[i] + offset, curTo = this.to[i] + offset, newFrom, newTo;
        if (curFrom == curTo) {
          let mapped = changes.mapPos(curFrom, val.startSide, val.mapMode);
          if (mapped == null)
            continue;
          newFrom = newTo = mapped;
          if (val.startSide != val.endSide) {
            newTo = changes.mapPos(curFrom, val.endSide);
            if (newTo < newFrom)
              continue;
          }
        } else {
          newFrom = changes.mapPos(curFrom, val.startSide);
          newTo = changes.mapPos(curTo, val.endSide);
          if (newFrom > newTo || newFrom == newTo && val.startSide > 0 && val.endSide <= 0)
            continue;
        }
        if ((newTo - newFrom || val.endSide - val.startSide) < 0)
          continue;
        if (newPos < 0)
          newPos = newFrom;
        if (val.point)
          maxPoint = Math.max(maxPoint, newTo - newFrom);
        value.push(val);
        from.push(newFrom - newPos);
        to.push(newTo - newPos);
      }
      return { mapped: value.length ? new _Chunk(from, to, value, maxPoint) : null, pos: newPos };
    }
  };
  var RangeSet = class _RangeSet {
    constructor(chunkPos, chunk, nextLayer, maxPoint) {
      this.chunkPos = chunkPos;
      this.chunk = chunk;
      this.nextLayer = nextLayer;
      this.maxPoint = maxPoint;
    }
    /**
    @internal
    */
    static create(chunkPos, chunk, nextLayer, maxPoint) {
      return new _RangeSet(chunkPos, chunk, nextLayer, maxPoint);
    }
    /**
    @internal
    */
    get length() {
      let last = this.chunk.length - 1;
      return last < 0 ? 0 : Math.max(this.chunkEnd(last), this.nextLayer.length);
    }
    /**
    The number of ranges in the set.
    */
    get size() {
      if (this.isEmpty)
        return 0;
      let size = this.nextLayer.size;
      for (let chunk of this.chunk)
        size += chunk.value.length;
      return size;
    }
    /**
    @internal
    */
    chunkEnd(index) {
      return this.chunkPos[index] + this.chunk[index].length;
    }
    /**
    Update the range set, optionally adding new ranges or filtering
    out existing ones.
    
    (Note: The type parameter is just there as a kludge to work
    around TypeScript variance issues that prevented `RangeSet<X>`
    from being a subtype of `RangeSet<Y>` when `X` is a subtype of
    `Y`.)
    */
    update(updateSpec) {
      let { add: add2 = [], sort = false, filterFrom = 0, filterTo = this.length } = updateSpec;
      let filter = updateSpec.filter;
      if (add2.length == 0 && !filter)
        return this;
      if (sort)
        add2 = add2.slice().sort(cmpRange);
      if (this.isEmpty)
        return add2.length ? _RangeSet.of(add2) : this;
      let cur2 = new LayerCursor(this, null, -1).goto(0), i = 0, spill = [];
      let builder = new RangeSetBuilder();
      while (cur2.value || i < add2.length) {
        if (i < add2.length && (cur2.from - add2[i].from || cur2.startSide - add2[i].value.startSide) >= 0) {
          let range = add2[i++];
          if (!builder.addInner(range.from, range.to, range.value))
            spill.push(range);
        } else if (cur2.rangeIndex == 1 && cur2.chunkIndex < this.chunk.length && (i == add2.length || this.chunkEnd(cur2.chunkIndex) < add2[i].from) && (!filter || filterFrom > this.chunkEnd(cur2.chunkIndex) || filterTo < this.chunkPos[cur2.chunkIndex]) && builder.addChunk(this.chunkPos[cur2.chunkIndex], this.chunk[cur2.chunkIndex])) {
          cur2.nextChunk();
        } else {
          if (!filter || filterFrom > cur2.to || filterTo < cur2.from || filter(cur2.from, cur2.to, cur2.value)) {
            if (!builder.addInner(cur2.from, cur2.to, cur2.value))
              spill.push(Range.create(cur2.from, cur2.to, cur2.value));
          }
          cur2.next();
        }
      }
      return builder.finishInner(this.nextLayer.isEmpty && !spill.length ? _RangeSet.empty : this.nextLayer.update({ add: spill, filter, filterFrom, filterTo }));
    }
    /**
    Map this range set through a set of changes, return the new set.
    */
    map(changes) {
      if (changes.empty || this.isEmpty)
        return this;
      let chunks = [], chunkPos = [], maxPoint = -1;
      for (let i = 0; i < this.chunk.length; i++) {
        let start = this.chunkPos[i], chunk = this.chunk[i];
        let touch = changes.touchesRange(start, start + chunk.length);
        if (touch === false) {
          maxPoint = Math.max(maxPoint, chunk.maxPoint);
          chunks.push(chunk);
          chunkPos.push(changes.mapPos(start));
        } else if (touch === true) {
          let { mapped, pos } = chunk.map(start, changes);
          if (mapped) {
            maxPoint = Math.max(maxPoint, mapped.maxPoint);
            chunks.push(mapped);
            chunkPos.push(pos);
          }
        }
      }
      let next = this.nextLayer.map(changes);
      return chunks.length == 0 ? next : new _RangeSet(chunkPos, chunks, next || _RangeSet.empty, maxPoint);
    }
    /**
    Iterate over the ranges that touch the region `from` to `to`,
    calling `f` for each. There is no guarantee that the ranges will
    be reported in any specific order. When the callback returns
    `false`, iteration stops.
    */
    between(from, to, f) {
      if (this.isEmpty)
        return;
      for (let i = 0; i < this.chunk.length; i++) {
        let start = this.chunkPos[i], chunk = this.chunk[i];
        if (to >= start && from <= start + chunk.length && chunk.between(start, from - start, to - start, f) === false)
          return;
      }
      this.nextLayer.between(from, to, f);
    }
    /**
    Iterate over the ranges in this set, in order, including all
    ranges that end at or after `from`.
    */
    iter(from = 0) {
      return HeapCursor.from([this]).goto(from);
    }
    /**
    @internal
    */
    get isEmpty() {
      return this.nextLayer == this;
    }
    /**
    Iterate over the ranges in a collection of sets, in order,
    starting from `from`.
    */
    static iter(sets, from = 0) {
      return HeapCursor.from(sets).goto(from);
    }
    /**
    Iterate over two groups of sets, calling methods on `comparator`
    to notify it of possible differences.
    */
    static compare(oldSets, newSets, textDiff, comparator, minPointSize = -1) {
      let a = oldSets.filter((set) => set.maxPoint > 0 || !set.isEmpty && set.maxPoint >= minPointSize);
      let b = newSets.filter((set) => set.maxPoint > 0 || !set.isEmpty && set.maxPoint >= minPointSize);
      let sharedChunks = findSharedChunks(a, b, textDiff);
      let sideA = new SpanCursor(a, sharedChunks, minPointSize);
      let sideB = new SpanCursor(b, sharedChunks, minPointSize);
      textDiff.iterGaps((fromA, fromB, length) => compare(sideA, fromA, sideB, fromB, length, comparator));
      if (textDiff.empty && textDiff.length == 0)
        compare(sideA, 0, sideB, 0, 0, comparator);
    }
    /**
    Compare the contents of two groups of range sets, returning true
    if they are equivalent in the given range.
    */
    static eq(oldSets, newSets, from = 0, to) {
      if (to == null)
        to = 1e9 - 1;
      let a = oldSets.filter((set) => !set.isEmpty && newSets.indexOf(set) < 0);
      let b = newSets.filter((set) => !set.isEmpty && oldSets.indexOf(set) < 0);
      if (a.length != b.length)
        return false;
      if (!a.length)
        return true;
      let sharedChunks = findSharedChunks(a, b);
      let sideA = new SpanCursor(a, sharedChunks, 0).goto(from), sideB = new SpanCursor(b, sharedChunks, 0).goto(from);
      for (; ; ) {
        if (sideA.to != sideB.to || !sameValues(sideA.active, sideB.active) || sideA.point && (!sideB.point || !sideA.point.eq(sideB.point)))
          return false;
        if (sideA.to > to)
          return true;
        sideA.next();
        sideB.next();
      }
    }
    /**
    Iterate over a group of range sets at the same time, notifying
    the iterator about the ranges covering every given piece of
    content. Returns the open count (see
    [`SpanIterator.span`](https://codemirror.net/6/docs/ref/#state.SpanIterator.span)) at the end
    of the iteration.
    */
    static spans(sets, from, to, iterator, minPointSize = -1) {
      let cursor = new SpanCursor(sets, null, minPointSize).goto(from), pos = from;
      let openRanges = cursor.openStart;
      for (; ; ) {
        let curTo = Math.min(cursor.to, to);
        if (cursor.point) {
          let active = cursor.activeForPoint(cursor.to);
          let openCount = cursor.pointFrom < from ? active.length + 1 : cursor.point.startSide < 0 ? active.length : Math.min(active.length, openRanges);
          iterator.point(pos, curTo, cursor.point, active, openCount, cursor.pointRank);
          openRanges = Math.min(cursor.openEnd(curTo), active.length);
        } else if (curTo > pos) {
          iterator.span(pos, curTo, cursor.active, openRanges);
          openRanges = cursor.openEnd(curTo);
        }
        if (cursor.to > to)
          return openRanges + (cursor.point && cursor.to > to ? 1 : 0);
        pos = cursor.to;
        cursor.next();
      }
    }
    /**
    Create a range set for the given range or array of ranges. By
    default, this expects the ranges to be _sorted_ (by start
    position and, if two start at the same position,
    `value.startSide`). You can pass `true` as second argument to
    cause the method to sort them.
    */
    static of(ranges, sort = false) {
      let build = new RangeSetBuilder();
      for (let range of ranges instanceof Range ? [ranges] : sort ? lazySort(ranges) : ranges)
        build.add(range.from, range.to, range.value);
      return build.finish();
    }
    /**
    Join an array of range sets into a single set.
    */
    static join(sets) {
      if (!sets.length)
        return _RangeSet.empty;
      let result = sets[sets.length - 1];
      for (let i = sets.length - 2; i >= 0; i--) {
        for (let layer2 = sets[i]; layer2 != _RangeSet.empty; layer2 = layer2.nextLayer)
          result = new _RangeSet(layer2.chunkPos, layer2.chunk, result, Math.max(layer2.maxPoint, result.maxPoint));
      }
      return result;
    }
  };
  RangeSet.empty = /* @__PURE__ */ new RangeSet([], [], null, -1);
  function lazySort(ranges) {
    if (ranges.length > 1)
      for (let prev = ranges[0], i = 1; i < ranges.length; i++) {
        let cur2 = ranges[i];
        if (cmpRange(prev, cur2) > 0)
          return ranges.slice().sort(cmpRange);
        prev = cur2;
      }
    return ranges;
  }
  RangeSet.empty.nextLayer = RangeSet.empty;
  var RangeSetBuilder = class _RangeSetBuilder {
    finishChunk(newArrays) {
      this.chunks.push(new Chunk(this.from, this.to, this.value, this.maxPoint));
      this.chunkPos.push(this.chunkStart);
      this.chunkStart = -1;
      this.setMaxPoint = Math.max(this.setMaxPoint, this.maxPoint);
      this.maxPoint = -1;
      if (newArrays) {
        this.from = [];
        this.to = [];
        this.value = [];
      }
    }
    /**
    Create an empty builder.
    */
    constructor() {
      this.chunks = [];
      this.chunkPos = [];
      this.chunkStart = -1;
      this.last = null;
      this.lastFrom = -1e9;
      this.lastTo = -1e9;
      this.from = [];
      this.to = [];
      this.value = [];
      this.maxPoint = -1;
      this.setMaxPoint = -1;
      this.nextLayer = null;
    }
    /**
    Add a range. Ranges should be added in sorted (by `from` and
    `value.startSide`) order.
    */
    add(from, to, value) {
      if (!this.addInner(from, to, value))
        (this.nextLayer || (this.nextLayer = new _RangeSetBuilder())).add(from, to, value);
    }
    /**
    @internal
    */
    addInner(from, to, value) {
      let diff = from - this.lastTo || value.startSide - this.last.endSide;
      if (diff <= 0 && (from - this.lastFrom || value.startSide - this.last.startSide) < 0)
        throw new Error("Ranges must be added sorted by `from` position and `startSide`");
      if (diff < 0)
        return false;
      if (this.from.length == 250)
        this.finishChunk(true);
      if (this.chunkStart < 0)
        this.chunkStart = from;
      this.from.push(from - this.chunkStart);
      this.to.push(to - this.chunkStart);
      this.last = value;
      this.lastFrom = from;
      this.lastTo = to;
      this.value.push(value);
      if (value.point)
        this.maxPoint = Math.max(this.maxPoint, to - from);
      return true;
    }
    /**
    @internal
    */
    addChunk(from, chunk) {
      if ((from - this.lastTo || chunk.value[0].startSide - this.last.endSide) < 0)
        return false;
      if (this.from.length)
        this.finishChunk(true);
      this.setMaxPoint = Math.max(this.setMaxPoint, chunk.maxPoint);
      this.chunks.push(chunk);
      this.chunkPos.push(from);
      let last = chunk.value.length - 1;
      this.last = chunk.value[last];
      this.lastFrom = chunk.from[last] + from;
      this.lastTo = chunk.to[last] + from;
      return true;
    }
    /**
    Finish the range set. Returns the new set. The builder can't be
    used anymore after this has been called.
    */
    finish() {
      return this.finishInner(RangeSet.empty);
    }
    /**
    @internal
    */
    finishInner(next) {
      if (this.from.length)
        this.finishChunk(false);
      if (this.chunks.length == 0)
        return next;
      let result = RangeSet.create(this.chunkPos, this.chunks, this.nextLayer ? this.nextLayer.finishInner(next) : next, this.setMaxPoint);
      this.from = null;
      return result;
    }
  };
  function findSharedChunks(a, b, textDiff) {
    let inA = /* @__PURE__ */ new Map();
    for (let set of a)
      for (let i = 0; i < set.chunk.length; i++)
        if (set.chunk[i].maxPoint <= 0)
          inA.set(set.chunk[i], set.chunkPos[i]);
    let shared = /* @__PURE__ */ new Set();
    for (let set of b)
      for (let i = 0; i < set.chunk.length; i++) {
        let known = inA.get(set.chunk[i]);
        if (known != null && (textDiff ? textDiff.mapPos(known) : known) == set.chunkPos[i] && !(textDiff === null || textDiff === void 0 ? void 0 : textDiff.touchesRange(known, known + set.chunk[i].length)))
          shared.add(set.chunk[i]);
      }
    return shared;
  }
  var LayerCursor = class {
    constructor(layer2, skip, minPoint, rank = 0) {
      this.layer = layer2;
      this.skip = skip;
      this.minPoint = minPoint;
      this.rank = rank;
    }
    get startSide() {
      return this.value ? this.value.startSide : 0;
    }
    get endSide() {
      return this.value ? this.value.endSide : 0;
    }
    goto(pos, side = -1e9) {
      this.chunkIndex = this.rangeIndex = 0;
      this.gotoInner(pos, side, false);
      return this;
    }
    gotoInner(pos, side, forward) {
      while (this.chunkIndex < this.layer.chunk.length) {
        let next = this.layer.chunk[this.chunkIndex];
        if (!(this.skip && this.skip.has(next) || this.layer.chunkEnd(this.chunkIndex) < pos || next.maxPoint < this.minPoint))
          break;
        this.chunkIndex++;
        forward = false;
      }
      if (this.chunkIndex < this.layer.chunk.length) {
        let rangeIndex = this.layer.chunk[this.chunkIndex].findIndex(pos - this.layer.chunkPos[this.chunkIndex], side, true);
        if (!forward || this.rangeIndex < rangeIndex)
          this.setRangeIndex(rangeIndex);
      }
      this.next();
    }
    forward(pos, side) {
      if ((this.to - pos || this.endSide - side) < 0)
        this.gotoInner(pos, side, true);
    }
    next() {
      for (; ; ) {
        if (this.chunkIndex == this.layer.chunk.length) {
          this.from = this.to = 1e9;
          this.value = null;
          break;
        } else {
          let chunkPos = this.layer.chunkPos[this.chunkIndex], chunk = this.layer.chunk[this.chunkIndex];
          let from = chunkPos + chunk.from[this.rangeIndex];
          this.from = from;
          this.to = chunkPos + chunk.to[this.rangeIndex];
          this.value = chunk.value[this.rangeIndex];
          this.setRangeIndex(this.rangeIndex + 1);
          if (this.minPoint < 0 || this.value.point && this.to - this.from >= this.minPoint)
            break;
        }
      }
    }
    setRangeIndex(index) {
      if (index == this.layer.chunk[this.chunkIndex].value.length) {
        this.chunkIndex++;
        if (this.skip) {
          while (this.chunkIndex < this.layer.chunk.length && this.skip.has(this.layer.chunk[this.chunkIndex]))
            this.chunkIndex++;
        }
        this.rangeIndex = 0;
      } else {
        this.rangeIndex = index;
      }
    }
    nextChunk() {
      this.chunkIndex++;
      this.rangeIndex = 0;
      this.next();
    }
    compare(other) {
      return this.from - other.from || this.startSide - other.startSide || this.rank - other.rank || this.to - other.to || this.endSide - other.endSide;
    }
  };
  var HeapCursor = class _HeapCursor {
    constructor(heap) {
      this.heap = heap;
    }
    static from(sets, skip = null, minPoint = -1) {
      let heap = [];
      for (let i = 0; i < sets.length; i++) {
        for (let cur2 = sets[i]; !cur2.isEmpty; cur2 = cur2.nextLayer) {
          if (cur2.maxPoint >= minPoint)
            heap.push(new LayerCursor(cur2, skip, minPoint, i));
        }
      }
      return heap.length == 1 ? heap[0] : new _HeapCursor(heap);
    }
    get startSide() {
      return this.value ? this.value.startSide : 0;
    }
    goto(pos, side = -1e9) {
      for (let cur2 of this.heap)
        cur2.goto(pos, side);
      for (let i = this.heap.length >> 1; i >= 0; i--)
        heapBubble(this.heap, i);
      this.next();
      return this;
    }
    forward(pos, side) {
      for (let cur2 of this.heap)
        cur2.forward(pos, side);
      for (let i = this.heap.length >> 1; i >= 0; i--)
        heapBubble(this.heap, i);
      if ((this.to - pos || this.value.endSide - side) < 0)
        this.next();
    }
    next() {
      if (this.heap.length == 0) {
        this.from = this.to = 1e9;
        this.value = null;
        this.rank = -1;
      } else {
        let top2 = this.heap[0];
        this.from = top2.from;
        this.to = top2.to;
        this.value = top2.value;
        this.rank = top2.rank;
        if (top2.value)
          top2.next();
        heapBubble(this.heap, 0);
      }
    }
  };
  function heapBubble(heap, index) {
    for (let cur2 = heap[index]; ; ) {
      let childIndex = (index << 1) + 1;
      if (childIndex >= heap.length)
        break;
      let child = heap[childIndex];
      if (childIndex + 1 < heap.length && child.compare(heap[childIndex + 1]) >= 0) {
        child = heap[childIndex + 1];
        childIndex++;
      }
      if (cur2.compare(child) < 0)
        break;
      heap[childIndex] = cur2;
      heap[index] = child;
      index = childIndex;
    }
  }
  var SpanCursor = class {
    constructor(sets, skip, minPoint) {
      this.minPoint = minPoint;
      this.active = [];
      this.activeTo = [];
      this.activeRank = [];
      this.minActive = -1;
      this.point = null;
      this.pointFrom = 0;
      this.pointRank = 0;
      this.to = -1e9;
      this.endSide = 0;
      this.openStart = -1;
      this.cursor = HeapCursor.from(sets, skip, minPoint);
    }
    goto(pos, side = -1e9) {
      this.cursor.goto(pos, side);
      this.active.length = this.activeTo.length = this.activeRank.length = 0;
      this.minActive = -1;
      this.to = pos;
      this.endSide = side;
      this.openStart = -1;
      this.next();
      return this;
    }
    forward(pos, side) {
      while (this.minActive > -1 && (this.activeTo[this.minActive] - pos || this.active[this.minActive].endSide - side) < 0)
        this.removeActive(this.minActive);
      this.cursor.forward(pos, side);
    }
    removeActive(index) {
      remove(this.active, index);
      remove(this.activeTo, index);
      remove(this.activeRank, index);
      this.minActive = findMinIndex(this.active, this.activeTo);
    }
    addActive(trackOpen) {
      let i = 0, { value, to, rank } = this.cursor;
      while (i < this.activeRank.length && (rank - this.activeRank[i] || to - this.activeTo[i]) > 0)
        i++;
      insert(this.active, i, value);
      insert(this.activeTo, i, to);
      insert(this.activeRank, i, rank);
      if (trackOpen)
        insert(trackOpen, i, this.cursor.from);
      this.minActive = findMinIndex(this.active, this.activeTo);
    }
    // After calling this, if `this.point` != null, the next range is a
    // point. Otherwise, it's a regular range, covered by `this.active`.
    next() {
      let from = this.to, wasPoint = this.point;
      this.point = null;
      let trackOpen = this.openStart < 0 ? [] : null;
      for (; ; ) {
        let a = this.minActive;
        if (a > -1 && (this.activeTo[a] - this.cursor.from || this.active[a].endSide - this.cursor.startSide) < 0) {
          if (this.activeTo[a] > from) {
            this.to = this.activeTo[a];
            this.endSide = this.active[a].endSide;
            break;
          }
          this.removeActive(a);
          if (trackOpen)
            remove(trackOpen, a);
        } else if (!this.cursor.value) {
          this.to = this.endSide = 1e9;
          break;
        } else if (this.cursor.from > from) {
          this.to = this.cursor.from;
          this.endSide = this.cursor.startSide;
          break;
        } else {
          let nextVal = this.cursor.value;
          if (!nextVal.point) {
            this.addActive(trackOpen);
            this.cursor.next();
          } else if (wasPoint && this.cursor.to == this.to && this.cursor.from < this.cursor.to) {
            this.cursor.next();
          } else {
            this.point = nextVal;
            this.pointFrom = this.cursor.from;
            this.pointRank = this.cursor.rank;
            this.to = this.cursor.to;
            this.endSide = nextVal.endSide;
            this.cursor.next();
            this.forward(this.to, this.endSide);
            break;
          }
        }
      }
      if (trackOpen) {
        this.openStart = 0;
        for (let i = trackOpen.length - 1; i >= 0 && trackOpen[i] < from; i--)
          this.openStart++;
      }
    }
    activeForPoint(to) {
      if (!this.active.length)
        return this.active;
      let active = [];
      for (let i = this.active.length - 1; i >= 0; i--) {
        if (this.activeRank[i] < this.pointRank)
          break;
        if (this.activeTo[i] > to || this.activeTo[i] == to && this.active[i].endSide >= this.point.endSide)
          active.push(this.active[i]);
      }
      return active.reverse();
    }
    openEnd(to) {
      let open = 0;
      for (let i = this.activeTo.length - 1; i >= 0 && this.activeTo[i] > to; i--)
        open++;
      return open;
    }
  };
  function compare(a, startA, b, startB, length, comparator) {
    a.goto(startA);
    b.goto(startB);
    let endB = startB + length;
    let pos = startB, dPos = startB - startA;
    for (; ; ) {
      let diff = a.to + dPos - b.to || a.endSide - b.endSide;
      let end = diff < 0 ? a.to + dPos : b.to, clipEnd = Math.min(end, endB);
      if (a.point || b.point) {
        if (!(a.point && b.point && (a.point == b.point || a.point.eq(b.point)) && sameValues(a.activeForPoint(a.to), b.activeForPoint(b.to))))
          comparator.comparePoint(pos, clipEnd, a.point, b.point);
      } else {
        if (clipEnd > pos && !sameValues(a.active, b.active))
          comparator.compareRange(pos, clipEnd, a.active, b.active);
      }
      if (end > endB)
        break;
      pos = end;
      if (diff <= 0)
        a.next();
      if (diff >= 0)
        b.next();
    }
  }
  function sameValues(a, b) {
    if (a.length != b.length)
      return false;
    for (let i = 0; i < a.length; i++)
      if (a[i] != b[i] && !a[i].eq(b[i]))
        return false;
    return true;
  }
  function remove(array, index) {
    for (let i = index, e = array.length - 1; i < e; i++)
      array[i] = array[i + 1];
    array.pop();
  }
  function insert(array, index, value) {
    for (let i = array.length - 1; i >= index; i--)
      array[i + 1] = array[i];
    array[index] = value;
  }
  function findMinIndex(value, array) {
    let found = -1, foundPos = 1e9;
    for (let i = 0; i < array.length; i++)
      if ((array[i] - foundPos || value[i].endSide - value[found].endSide) < 0) {
        found = i;
        foundPos = array[i];
      }
    return found;
  }
  function countColumn(string2, tabSize, to = string2.length) {
    let n = 0;
    for (let i = 0; i < to; ) {
      if (string2.charCodeAt(i) == 9) {
        n += tabSize - n % tabSize;
        i++;
      } else {
        n++;
        i = findClusterBreak(string2, i);
      }
    }
    return n;
  }
  function findColumn(string2, col, tabSize, strict) {
    for (let i = 0, n = 0; ; ) {
      if (n >= col)
        return i;
      if (i == string2.length)
        break;
      n += string2.charCodeAt(i) == 9 ? tabSize - n % tabSize : 1;
      i = findClusterBreak(string2, i);
    }
    return strict === true ? -1 : string2.length;
  }

  // node_modules/style-mod/src/style-mod.js
  var C = "\u037C";
  var COUNT = typeof Symbol == "undefined" ? "__" + C : Symbol.for(C);
  var SET = typeof Symbol == "undefined" ? "__styleSet" + Math.floor(Math.random() * 1e8) : Symbol("styleSet");
  var top = typeof globalThis != "undefined" ? globalThis : typeof window != "undefined" ? window : {};
  var StyleModule = class {
    // :: (Object<Style>, ?{finish: ?(string) → string})
    // Create a style module from the given spec.
    //
    // When `finish` is given, it is called on regular (non-`@`)
    // selectors (after `&` expansion) to compute the final selector.
    constructor(spec, options) {
      this.rules = [];
      let { finish } = options || {};
      function splitSelector(selector) {
        return /^@/.test(selector) ? [selector] : selector.split(/,\s*/);
      }
      function render(selectors, spec2, target, isKeyframes) {
        let local = [], isAt = /^@(\w+)\b/.exec(selectors[0]), keyframes = isAt && isAt[1] == "keyframes";
        if (isAt && spec2 == null) return target.push(selectors[0] + ";");
        for (let prop in spec2) {
          let value = spec2[prop];
          if (/&/.test(prop)) {
            render(
              prop.split(/,\s*/).map((part) => selectors.map((sel) => part.replace(/&/, sel))).reduce((a, b) => a.concat(b)),
              value,
              target
            );
          } else if (value && typeof value == "object") {
            if (!isAt) throw new RangeError("The value of a property (" + prop + ") should be a primitive value.");
            render(splitSelector(prop), value, local, keyframes);
          } else if (value != null) {
            local.push(prop.replace(/_.*/, "").replace(/[A-Z]/g, (l) => "-" + l.toLowerCase()) + ": " + value + ";");
          }
        }
        if (local.length || keyframes) {
          target.push((finish && !isAt && !isKeyframes ? selectors.map(finish) : selectors).join(", ") + " {" + local.join(" ") + "}");
        }
      }
      for (let prop in spec) render(splitSelector(prop), spec[prop], this.rules);
    }
    // :: () → string
    // Returns a string containing the module's CSS rules.
    getRules() {
      return this.rules.join("\n");
    }
    // :: () → string
    // Generate a new unique CSS class name.
    static newName() {
      let id2 = top[COUNT] || 1;
      top[COUNT] = id2 + 1;
      return C + id2.toString(36);
    }
    // :: (union<Document, ShadowRoot>, union<[StyleModule], StyleModule>, ?{nonce: ?string})
    //
    // Mount the given set of modules in the given DOM root, which ensures
    // that the CSS rules defined by the module are available in that
    // context.
    //
    // Rules are only added to the document once per root.
    //
    // Rule order will follow the order of the modules, so that rules from
    // modules later in the array take precedence of those from earlier
    // modules. If you call this function multiple times for the same root
    // in a way that changes the order of already mounted modules, the old
    // order will be changed.
    //
    // If a Content Security Policy nonce is provided, it is added to
    // the `<style>` tag generated by the library.
    static mount(root, modules, options) {
      let set = root[SET], nonce = options && options.nonce;
      if (!set) set = new StyleSet(root, nonce);
      else if (nonce) set.setNonce(nonce);
      set.mount(Array.isArray(modules) ? modules : [modules], root);
    }
  };
  var adoptedSet = /* @__PURE__ */ new Map();
  var StyleSet = class {
    constructor(root, nonce) {
      let doc2 = root.ownerDocument || root, win = doc2.defaultView;
      if (!root.head && root.adoptedStyleSheets && win.CSSStyleSheet) {
        let adopted = adoptedSet.get(doc2);
        if (adopted) return root[SET] = adopted;
        this.sheet = new win.CSSStyleSheet();
        adoptedSet.set(doc2, this);
      } else {
        this.styleTag = doc2.createElement("style");
        if (nonce) this.styleTag.setAttribute("nonce", nonce);
      }
      this.modules = [];
      root[SET] = this;
    }
    mount(modules, root) {
      let sheet = this.sheet;
      let pos = 0, j = 0;
      for (let i = 0; i < modules.length; i++) {
        let mod = modules[i], index = this.modules.indexOf(mod);
        if (index < j && index > -1) {
          this.modules.splice(index, 1);
          j--;
          index = -1;
        }
        if (index == -1) {
          this.modules.splice(j++, 0, mod);
          if (sheet) for (let k = 0; k < mod.rules.length; k++)
            sheet.insertRule(mod.rules[k], pos++);
        } else {
          while (j < index) pos += this.modules[j++].rules.length;
          pos += mod.rules.length;
          j++;
        }
      }
      if (sheet) {
        if (root.adoptedStyleSheets.indexOf(this.sheet) < 0)
          root.adoptedStyleSheets = [this.sheet, ...root.adoptedStyleSheets];
      } else {
        let text = "";
        for (let i = 0; i < this.modules.length; i++)
          text += this.modules[i].getRules() + "\n";
        this.styleTag.textContent = text;
        let target = root.head || root;
        if (this.styleTag.parentNode != target)
          target.insertBefore(this.styleTag, target.firstChild);
      }
    }
    setNonce(nonce) {
      if (this.styleTag && this.styleTag.getAttribute("nonce") != nonce)
        this.styleTag.setAttribute("nonce", nonce);
    }
  };

  // node_modules/w3c-keyname/index.js
  var base = {
    8: "Backspace",
    9: "Tab",
    10: "Enter",
    12: "NumLock",
    13: "Enter",
    16: "Shift",
    17: "Control",
    18: "Alt",
    20: "CapsLock",
    27: "Escape",
    32: " ",
    33: "PageUp",
    34: "PageDown",
    35: "End",
    36: "Home",
    37: "ArrowLeft",
    38: "ArrowUp",
    39: "ArrowRight",
    40: "ArrowDown",
    44: "PrintScreen",
    45: "Insert",
    46: "Delete",
    59: ";",
    61: "=",
    91: "Meta",
    92: "Meta",
    106: "*",
    107: "+",
    108: ",",
    109: "-",
    110: ".",
    111: "/",
    144: "NumLock",
    145: "ScrollLock",
    160: "Shift",
    161: "Shift",
    162: "Control",
    163: "Control",
    164: "Alt",
    165: "Alt",
    173: "-",
    186: ";",
    187: "=",
    188: ",",
    189: "-",
    190: ".",
    191: "/",
    192: "`",
    219: "[",
    220: "\\",
    221: "]",
    222: "'"
  };
  var shift = {
    48: ")",
    49: "!",
    50: "@",
    51: "#",
    52: "$",
    53: "%",
    54: "^",
    55: "&",
    56: "*",
    57: "(",
    59: ":",
    61: "+",
    173: "_",
    186: ":",
    187: "+",
    188: "<",
    189: "_",
    190: ">",
    191: "?",
    192: "~",
    219: "{",
    220: "|",
    221: "}",
    222: '"'
  };
  var mac = typeof navigator != "undefined" && /Mac/.test(navigator.platform);
  var ie = typeof navigator != "undefined" && /MSIE \d|Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(navigator.userAgent);
  for (i = 0; i < 10; i++) base[48 + i] = base[96 + i] = String(i);
  var i;
  for (i = 1; i <= 24; i++) base[i + 111] = "F" + i;
  var i;
  for (i = 65; i <= 90; i++) {
    base[i] = String.fromCharCode(i + 32);
    shift[i] = String.fromCharCode(i);
  }
  var i;
  for (code in base) if (!shift.hasOwnProperty(code)) shift[code] = base[code];
  var code;
  function keyName(event) {
    var ignoreKey = mac && event.metaKey && event.shiftKey && !event.ctrlKey && !event.altKey || ie && event.shiftKey && event.key && event.key.length == 1 || event.key == "Unidentified";
    var name2 = !ignoreKey && event.key || (event.shiftKey ? shift : base)[event.keyCode] || event.key || "Unidentified";
    if (name2 == "Esc") name2 = "Escape";
    if (name2 == "Del") name2 = "Delete";
    if (name2 == "Left") name2 = "ArrowLeft";
    if (name2 == "Up") name2 = "ArrowUp";
    if (name2 == "Right") name2 = "ArrowRight";
    if (name2 == "Down") name2 = "ArrowDown";
    return name2;
  }

  // node_modules/@codemirror/view/dist/index.js
  function getSelection(root) {
    let target;
    if (root.nodeType == 11) {
      target = root.getSelection ? root : root.ownerDocument;
    } else {
      target = root;
    }
    return target.getSelection();
  }
  function contains(dom, node) {
    return node ? dom == node || dom.contains(node.nodeType != 1 ? node.parentNode : node) : false;
  }
  function deepActiveElement(doc2) {
    let elt2 = doc2.activeElement;
    while (elt2 && elt2.shadowRoot)
      elt2 = elt2.shadowRoot.activeElement;
    return elt2;
  }
  function hasSelection(dom, selection) {
    if (!selection.anchorNode)
      return false;
    try {
      return contains(dom, selection.anchorNode);
    } catch (_) {
      return false;
    }
  }
  function clientRectsFor(dom) {
    if (dom.nodeType == 3)
      return textRange(dom, 0, dom.nodeValue.length).getClientRects();
    else if (dom.nodeType == 1)
      return dom.getClientRects();
    else
      return [];
  }
  function isEquivalentPosition(node, off, targetNode, targetOff) {
    return targetNode ? scanFor(node, off, targetNode, targetOff, -1) || scanFor(node, off, targetNode, targetOff, 1) : false;
  }
  function domIndex(node) {
    for (var index = 0; ; index++) {
      node = node.previousSibling;
      if (!node)
        return index;
    }
  }
  function isBlockElement(node) {
    return node.nodeType == 1 && /^(DIV|P|LI|UL|OL|BLOCKQUOTE|DD|DT|H\d|SECTION|PRE)$/.test(node.nodeName);
  }
  function scanFor(node, off, targetNode, targetOff, dir) {
    for (; ; ) {
      if (node == targetNode && off == targetOff)
        return true;
      if (off == (dir < 0 ? 0 : maxOffset(node))) {
        if (node.nodeName == "DIV")
          return false;
        let parent = node.parentNode;
        if (!parent || parent.nodeType != 1)
          return false;
        off = domIndex(node) + (dir < 0 ? 0 : 1);
        node = parent;
      } else if (node.nodeType == 1) {
        node = node.childNodes[off + (dir < 0 ? -1 : 0)];
        if (node.nodeType == 1 && node.contentEditable == "false")
          return false;
        off = dir < 0 ? maxOffset(node) : 0;
      } else {
        return false;
      }
    }
  }
  function maxOffset(node) {
    return node.nodeType == 3 ? node.nodeValue.length : node.childNodes.length;
  }
  function flattenRect(rect, left) {
    let x = left ? rect.left : rect.right;
    return { left: x, right: x, top: rect.top, bottom: rect.bottom };
  }
  function windowRect(win) {
    let vp = win.visualViewport;
    if (vp)
      return {
        left: 0,
        right: vp.width,
        top: 0,
        bottom: vp.height
      };
    return {
      left: 0,
      right: win.innerWidth,
      top: 0,
      bottom: win.innerHeight
    };
  }
  function getScale(elt2, rect) {
    let scaleX = rect.width / elt2.offsetWidth;
    let scaleY = rect.height / elt2.offsetHeight;
    if (scaleX > 0.995 && scaleX < 1.005 || !isFinite(scaleX) || Math.abs(rect.width - elt2.offsetWidth) < 1)
      scaleX = 1;
    if (scaleY > 0.995 && scaleY < 1.005 || !isFinite(scaleY) || Math.abs(rect.height - elt2.offsetHeight) < 1)
      scaleY = 1;
    return { scaleX, scaleY };
  }
  function scrollRectIntoView(dom, rect, side, x, y, xMargin, yMargin, ltr) {
    let doc2 = dom.ownerDocument, win = doc2.defaultView || window;
    for (let cur2 = dom, stop = false; cur2 && !stop; ) {
      if (cur2.nodeType == 1) {
        let bounding, top2 = cur2 == doc2.body;
        let scaleX = 1, scaleY = 1;
        if (top2) {
          bounding = windowRect(win);
        } else {
          if (/^(fixed|sticky)$/.test(getComputedStyle(cur2).position))
            stop = true;
          if (cur2.scrollHeight <= cur2.clientHeight && cur2.scrollWidth <= cur2.clientWidth) {
            cur2 = cur2.assignedSlot || cur2.parentNode;
            continue;
          }
          let rect2 = cur2.getBoundingClientRect();
          ({ scaleX, scaleY } = getScale(cur2, rect2));
          bounding = {
            left: rect2.left,
            right: rect2.left + cur2.clientWidth * scaleX,
            top: rect2.top,
            bottom: rect2.top + cur2.clientHeight * scaleY
          };
        }
        let moveX = 0, moveY = 0;
        if (y == "nearest") {
          if (rect.top < bounding.top) {
            moveY = -(bounding.top - rect.top + yMargin);
            if (side > 0 && rect.bottom > bounding.bottom + moveY)
              moveY = rect.bottom - bounding.bottom + moveY + yMargin;
          } else if (rect.bottom > bounding.bottom) {
            moveY = rect.bottom - bounding.bottom + yMargin;
            if (side < 0 && rect.top - moveY < bounding.top)
              moveY = -(bounding.top + moveY - rect.top + yMargin);
          }
        } else {
          let rectHeight = rect.bottom - rect.top, boundingHeight = bounding.bottom - bounding.top;
          let targetTop = y == "center" && rectHeight <= boundingHeight ? rect.top + rectHeight / 2 - boundingHeight / 2 : y == "start" || y == "center" && side < 0 ? rect.top - yMargin : rect.bottom - boundingHeight + yMargin;
          moveY = targetTop - bounding.top;
        }
        if (x == "nearest") {
          if (rect.left < bounding.left) {
            moveX = -(bounding.left - rect.left + xMargin);
            if (side > 0 && rect.right > bounding.right + moveX)
              moveX = rect.right - bounding.right + moveX + xMargin;
          } else if (rect.right > bounding.right) {
            moveX = rect.right - bounding.right + xMargin;
            if (side < 0 && rect.left < bounding.left + moveX)
              moveX = -(bounding.left + moveX - rect.left + xMargin);
          }
        } else {
          let targetLeft = x == "center" ? rect.left + (rect.right - rect.left) / 2 - (bounding.right - bounding.left) / 2 : x == "start" == ltr ? rect.left - xMargin : rect.right - (bounding.right - bounding.left) + xMargin;
          moveX = targetLeft - bounding.left;
        }
        if (moveX || moveY) {
          if (top2) {
            win.scrollBy(moveX, moveY);
          } else {
            let movedX = 0, movedY = 0;
            if (moveY) {
              let start = cur2.scrollTop;
              cur2.scrollTop += moveY / scaleY;
              movedY = (cur2.scrollTop - start) * scaleY;
            }
            if (moveX) {
              let start = cur2.scrollLeft;
              cur2.scrollLeft += moveX / scaleX;
              movedX = (cur2.scrollLeft - start) * scaleX;
            }
            rect = {
              left: rect.left - movedX,
              top: rect.top - movedY,
              right: rect.right - movedX,
              bottom: rect.bottom - movedY
            };
            if (movedX && Math.abs(movedX - moveX) < 1)
              x = "nearest";
            if (movedY && Math.abs(movedY - moveY) < 1)
              y = "nearest";
          }
        }
        if (top2)
          break;
        cur2 = cur2.assignedSlot || cur2.parentNode;
      } else if (cur2.nodeType == 11) {
        cur2 = cur2.host;
      } else {
        break;
      }
    }
  }
  function scrollableParent(dom) {
    let doc2 = dom.ownerDocument;
    for (let cur2 = dom.parentNode; cur2; ) {
      if (cur2 == doc2.body) {
        break;
      } else if (cur2.nodeType == 1) {
        if (cur2.scrollHeight > cur2.clientHeight || cur2.scrollWidth > cur2.clientWidth)
          return cur2;
        cur2 = cur2.assignedSlot || cur2.parentNode;
      } else if (cur2.nodeType == 11) {
        cur2 = cur2.host;
      } else {
        break;
      }
    }
    return null;
  }
  var DOMSelectionState = class {
    constructor() {
      this.anchorNode = null;
      this.anchorOffset = 0;
      this.focusNode = null;
      this.focusOffset = 0;
    }
    eq(domSel) {
      return this.anchorNode == domSel.anchorNode && this.anchorOffset == domSel.anchorOffset && this.focusNode == domSel.focusNode && this.focusOffset == domSel.focusOffset;
    }
    setRange(range) {
      let { anchorNode, focusNode } = range;
      this.set(anchorNode, Math.min(range.anchorOffset, anchorNode ? maxOffset(anchorNode) : 0), focusNode, Math.min(range.focusOffset, focusNode ? maxOffset(focusNode) : 0));
    }
    set(anchorNode, anchorOffset, focusNode, focusOffset) {
      this.anchorNode = anchorNode;
      this.anchorOffset = anchorOffset;
      this.focusNode = focusNode;
      this.focusOffset = focusOffset;
    }
  };
  var preventScrollSupported = null;
  function focusPreventScroll(dom) {
    if (dom.setActive)
      return dom.setActive();
    if (preventScrollSupported)
      return dom.focus(preventScrollSupported);
    let stack = [];
    for (let cur2 = dom; cur2; cur2 = cur2.parentNode) {
      stack.push(cur2, cur2.scrollTop, cur2.scrollLeft);
      if (cur2 == cur2.ownerDocument)
        break;
    }
    dom.focus(preventScrollSupported == null ? {
      get preventScroll() {
        preventScrollSupported = { preventScroll: true };
        return true;
      }
    } : void 0);
    if (!preventScrollSupported) {
      preventScrollSupported = false;
      for (let i = 0; i < stack.length; ) {
        let elt2 = stack[i++], top2 = stack[i++], left = stack[i++];
        if (elt2.scrollTop != top2)
          elt2.scrollTop = top2;
        if (elt2.scrollLeft != left)
          elt2.scrollLeft = left;
      }
    }
  }
  var scratchRange;
  function textRange(node, from, to = from) {
    let range = scratchRange || (scratchRange = document.createRange());
    range.setEnd(node, to);
    range.setStart(node, from);
    return range;
  }
  function dispatchKey(elt2, name2, code, mods) {
    let options = { key: name2, code: name2, keyCode: code, which: code, cancelable: true };
    if (mods)
      ({ altKey: options.altKey, ctrlKey: options.ctrlKey, shiftKey: options.shiftKey, metaKey: options.metaKey } = mods);
    let down = new KeyboardEvent("keydown", options);
    down.synthetic = true;
    elt2.dispatchEvent(down);
    let up = new KeyboardEvent("keyup", options);
    up.synthetic = true;
    elt2.dispatchEvent(up);
    return down.defaultPrevented || up.defaultPrevented;
  }
  function getRoot(node) {
    while (node) {
      if (node && (node.nodeType == 9 || node.nodeType == 11 && node.host))
        return node;
      node = node.assignedSlot || node.parentNode;
    }
    return null;
  }
  function clearAttributes(node) {
    while (node.attributes.length)
      node.removeAttributeNode(node.attributes[0]);
  }
  function atElementStart(doc2, selection) {
    let node = selection.focusNode, offset = selection.focusOffset;
    if (!node || selection.anchorNode != node || selection.anchorOffset != offset)
      return false;
    offset = Math.min(offset, maxOffset(node));
    for (; ; ) {
      if (offset) {
        if (node.nodeType != 1)
          return false;
        let prev = node.childNodes[offset - 1];
        if (prev.contentEditable == "false")
          offset--;
        else {
          node = prev;
          offset = maxOffset(node);
        }
      } else if (node == doc2) {
        return true;
      } else {
        offset = domIndex(node);
        node = node.parentNode;
      }
    }
  }
  function isScrolledToBottom(elt2) {
    return elt2.scrollTop > Math.max(1, elt2.scrollHeight - elt2.clientHeight - 4);
  }
  function textNodeBefore(startNode, startOffset) {
    for (let node = startNode, offset = startOffset; ; ) {
      if (node.nodeType == 3 && offset > 0) {
        return { node, offset };
      } else if (node.nodeType == 1 && offset > 0) {
        if (node.contentEditable == "false")
          return null;
        node = node.childNodes[offset - 1];
        offset = maxOffset(node);
      } else if (node.parentNode && !isBlockElement(node)) {
        offset = domIndex(node);
        node = node.parentNode;
      } else {
        return null;
      }
    }
  }
  function textNodeAfter(startNode, startOffset) {
    for (let node = startNode, offset = startOffset; ; ) {
      if (node.nodeType == 3 && offset < node.nodeValue.length) {
        return { node, offset };
      } else if (node.nodeType == 1 && offset < node.childNodes.length) {
        if (node.contentEditable == "false")
          return null;
        node = node.childNodes[offset];
        offset = 0;
      } else if (node.parentNode && !isBlockElement(node)) {
        offset = domIndex(node) + 1;
        node = node.parentNode;
      } else {
        return null;
      }
    }
  }
  var DOMPos = class _DOMPos {
    constructor(node, offset, precise = true) {
      this.node = node;
      this.offset = offset;
      this.precise = precise;
    }
    static before(dom, precise) {
      return new _DOMPos(dom.parentNode, domIndex(dom), precise);
    }
    static after(dom, precise) {
      return new _DOMPos(dom.parentNode, domIndex(dom) + 1, precise);
    }
  };
  var noChildren = [];
  var ContentView = class _ContentView {
    constructor() {
      this.parent = null;
      this.dom = null;
      this.flags = 2;
    }
    get overrideDOMText() {
      return null;
    }
    get posAtStart() {
      return this.parent ? this.parent.posBefore(this) : 0;
    }
    get posAtEnd() {
      return this.posAtStart + this.length;
    }
    posBefore(view) {
      let pos = this.posAtStart;
      for (let child of this.children) {
        if (child == view)
          return pos;
        pos += child.length + child.breakAfter;
      }
      throw new RangeError("Invalid child in posBefore");
    }
    posAfter(view) {
      return this.posBefore(view) + view.length;
    }
    sync(view, track) {
      if (this.flags & 2) {
        let parent = this.dom;
        let prev = null, next;
        for (let child of this.children) {
          if (child.flags & 7) {
            if (!child.dom && (next = prev ? prev.nextSibling : parent.firstChild)) {
              let contentView = _ContentView.get(next);
              if (!contentView || !contentView.parent && contentView.canReuseDOM(child))
                child.reuseDOM(next);
            }
            child.sync(view, track);
            child.flags &= ~7;
          }
          next = prev ? prev.nextSibling : parent.firstChild;
          if (track && !track.written && track.node == parent && next != child.dom)
            track.written = true;
          if (child.dom.parentNode == parent) {
            while (next && next != child.dom)
              next = rm$1(next);
          } else {
            parent.insertBefore(child.dom, next);
          }
          prev = child.dom;
        }
        next = prev ? prev.nextSibling : parent.firstChild;
        if (next && track && track.node == parent)
          track.written = true;
        while (next)
          next = rm$1(next);
      } else if (this.flags & 1) {
        for (let child of this.children)
          if (child.flags & 7) {
            child.sync(view, track);
            child.flags &= ~7;
          }
      }
    }
    reuseDOM(_dom) {
    }
    localPosFromDOM(node, offset) {
      let after;
      if (node == this.dom) {
        after = this.dom.childNodes[offset];
      } else {
        let bias = maxOffset(node) == 0 ? 0 : offset == 0 ? -1 : 1;
        for (; ; ) {
          let parent = node.parentNode;
          if (parent == this.dom)
            break;
          if (bias == 0 && parent.firstChild != parent.lastChild) {
            if (node == parent.firstChild)
              bias = -1;
            else
              bias = 1;
          }
          node = parent;
        }
        if (bias < 0)
          after = node;
        else
          after = node.nextSibling;
      }
      if (after == this.dom.firstChild)
        return 0;
      while (after && !_ContentView.get(after))
        after = after.nextSibling;
      if (!after)
        return this.length;
      for (let i = 0, pos = 0; ; i++) {
        let child = this.children[i];
        if (child.dom == after)
          return pos;
        pos += child.length + child.breakAfter;
      }
    }
    domBoundsAround(from, to, offset = 0) {
      let fromI = -1, fromStart = -1, toI = -1, toEnd = -1;
      for (let i = 0, pos = offset, prevEnd = offset; i < this.children.length; i++) {
        let child = this.children[i], end = pos + child.length;
        if (pos < from && end > to)
          return child.domBoundsAround(from, to, pos);
        if (end >= from && fromI == -1) {
          fromI = i;
          fromStart = pos;
        }
        if (pos > to && child.dom.parentNode == this.dom) {
          toI = i;
          toEnd = prevEnd;
          break;
        }
        prevEnd = end;
        pos = end + child.breakAfter;
      }
      return {
        from: fromStart,
        to: toEnd < 0 ? offset + this.length : toEnd,
        startDOM: (fromI ? this.children[fromI - 1].dom.nextSibling : null) || this.dom.firstChild,
        endDOM: toI < this.children.length && toI >= 0 ? this.children[toI].dom : null
      };
    }
    markDirty(andParent = false) {
      this.flags |= 2;
      this.markParentsDirty(andParent);
    }
    markParentsDirty(childList) {
      for (let parent = this.parent; parent; parent = parent.parent) {
        if (childList)
          parent.flags |= 2;
        if (parent.flags & 1)
          return;
        parent.flags |= 1;
        childList = false;
      }
    }
    setParent(parent) {
      if (this.parent != parent) {
        this.parent = parent;
        if (this.flags & 7)
          this.markParentsDirty(true);
      }
    }
    setDOM(dom) {
      if (this.dom == dom)
        return;
      if (this.dom)
        this.dom.cmView = null;
      this.dom = dom;
      dom.cmView = this;
    }
    get rootView() {
      for (let v = this; ; ) {
        let parent = v.parent;
        if (!parent)
          return v;
        v = parent;
      }
    }
    replaceChildren(from, to, children = noChildren) {
      this.markDirty();
      for (let i = from; i < to; i++) {
        let child = this.children[i];
        if (child.parent == this && children.indexOf(child) < 0)
          child.destroy();
      }
      this.children.splice(from, to - from, ...children);
      for (let i = 0; i < children.length; i++)
        children[i].setParent(this);
    }
    ignoreMutation(_rec) {
      return false;
    }
    ignoreEvent(_event) {
      return false;
    }
    childCursor(pos = this.length) {
      return new ChildCursor(this.children, pos, this.children.length);
    }
    childPos(pos, bias = 1) {
      return this.childCursor().findPos(pos, bias);
    }
    toString() {
      let name2 = this.constructor.name.replace("View", "");
      return name2 + (this.children.length ? "(" + this.children.join() + ")" : this.length ? "[" + (name2 == "Text" ? this.text : this.length) + "]" : "") + (this.breakAfter ? "#" : "");
    }
    static get(node) {
      return node.cmView;
    }
    get isEditable() {
      return true;
    }
    get isWidget() {
      return false;
    }
    get isHidden() {
      return false;
    }
    merge(from, to, source, hasStart, openStart, openEnd) {
      return false;
    }
    become(other) {
      return false;
    }
    canReuseDOM(other) {
      return other.constructor == this.constructor && !((this.flags | other.flags) & 8);
    }
    // When this is a zero-length view with a side, this should return a
    // number <= 0 to indicate it is before its position, or a
    // number > 0 when after its position.
    getSide() {
      return 0;
    }
    destroy() {
      for (let child of this.children)
        if (child.parent == this)
          child.destroy();
      this.parent = null;
    }
  };
  ContentView.prototype.breakAfter = 0;
  function rm$1(dom) {
    let next = dom.nextSibling;
    dom.parentNode.removeChild(dom);
    return next;
  }
  var ChildCursor = class {
    constructor(children, pos, i) {
      this.children = children;
      this.pos = pos;
      this.i = i;
      this.off = 0;
    }
    findPos(pos, bias = 1) {
      for (; ; ) {
        if (pos > this.pos || pos == this.pos && (bias > 0 || this.i == 0 || this.children[this.i - 1].breakAfter)) {
          this.off = pos - this.pos;
          return this;
        }
        let next = this.children[--this.i];
        this.pos -= next.length + next.breakAfter;
      }
    }
  };
  function replaceRange(parent, fromI, fromOff, toI, toOff, insert2, breakAtStart, openStart, openEnd) {
    let { children } = parent;
    let before = children.length ? children[fromI] : null;
    let last = insert2.length ? insert2[insert2.length - 1] : null;
    let breakAtEnd = last ? last.breakAfter : breakAtStart;
    if (fromI == toI && before && !breakAtStart && !breakAtEnd && insert2.length < 2 && before.merge(fromOff, toOff, insert2.length ? last : null, fromOff == 0, openStart, openEnd))
      return;
    if (toI < children.length) {
      let after = children[toI];
      if (after && (toOff < after.length || after.breakAfter && (last === null || last === void 0 ? void 0 : last.breakAfter))) {
        if (fromI == toI) {
          after = after.split(toOff);
          toOff = 0;
        }
        if (!breakAtEnd && last && after.merge(0, toOff, last, true, 0, openEnd)) {
          insert2[insert2.length - 1] = after;
        } else {
          if (toOff || after.children.length && !after.children[0].length)
            after.merge(0, toOff, null, false, 0, openEnd);
          insert2.push(after);
        }
      } else if (after === null || after === void 0 ? void 0 : after.breakAfter) {
        if (last)
          last.breakAfter = 1;
        else
          breakAtStart = 1;
      }
      toI++;
    }
    if (before) {
      before.breakAfter = breakAtStart;
      if (fromOff > 0) {
        if (!breakAtStart && insert2.length && before.merge(fromOff, before.length, insert2[0], false, openStart, 0)) {
          before.breakAfter = insert2.shift().breakAfter;
        } else if (fromOff < before.length || before.children.length && before.children[before.children.length - 1].length == 0) {
          before.merge(fromOff, before.length, null, false, openStart, 0);
        }
        fromI++;
      }
    }
    while (fromI < toI && insert2.length) {
      if (children[toI - 1].become(insert2[insert2.length - 1])) {
        toI--;
        insert2.pop();
        openEnd = insert2.length ? 0 : openStart;
      } else if (children[fromI].become(insert2[0])) {
        fromI++;
        insert2.shift();
        openStart = insert2.length ? 0 : openEnd;
      } else {
        break;
      }
    }
    if (!insert2.length && fromI && toI < children.length && !children[fromI - 1].breakAfter && children[toI].merge(0, 0, children[fromI - 1], false, openStart, openEnd))
      fromI--;
    if (fromI < toI || insert2.length)
      parent.replaceChildren(fromI, toI, insert2);
  }
  function mergeChildrenInto(parent, from, to, insert2, openStart, openEnd) {
    let cur2 = parent.childCursor();
    let { i: toI, off: toOff } = cur2.findPos(to, 1);
    let { i: fromI, off: fromOff } = cur2.findPos(from, -1);
    let dLen = from - to;
    for (let view of insert2)
      dLen += view.length;
    parent.length += dLen;
    replaceRange(parent, fromI, fromOff, toI, toOff, insert2, 0, openStart, openEnd);
  }
  var nav = typeof navigator != "undefined" ? navigator : { userAgent: "", vendor: "", platform: "" };
  var doc = typeof document != "undefined" ? document : { documentElement: { style: {} } };
  var ie_edge = /* @__PURE__ */ /Edge\/(\d+)/.exec(nav.userAgent);
  var ie_upto10 = /* @__PURE__ */ /MSIE \d/.test(nav.userAgent);
  var ie_11up = /* @__PURE__ */ /Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(nav.userAgent);
  var ie2 = !!(ie_upto10 || ie_11up || ie_edge);
  var gecko = !ie2 && /* @__PURE__ */ /gecko\/(\d+)/i.test(nav.userAgent);
  var chrome = !ie2 && /* @__PURE__ */ /Chrome\/(\d+)/.exec(nav.userAgent);
  var webkit = "webkitFontSmoothing" in doc.documentElement.style;
  var safari = !ie2 && /* @__PURE__ */ /Apple Computer/.test(nav.vendor);
  var ios = safari && (/* @__PURE__ */ /Mobile\/\w+/.test(nav.userAgent) || nav.maxTouchPoints > 2);
  var browser = {
    mac: ios || /* @__PURE__ */ /Mac/.test(nav.platform),
    windows: /* @__PURE__ */ /Win/.test(nav.platform),
    linux: /* @__PURE__ */ /Linux|X11/.test(nav.platform),
    ie: ie2,
    ie_version: ie_upto10 ? doc.documentMode || 6 : ie_11up ? +ie_11up[1] : ie_edge ? +ie_edge[1] : 0,
    gecko,
    gecko_version: gecko ? +(/* @__PURE__ */ /Firefox\/(\d+)/.exec(nav.userAgent) || [0, 0])[1] : 0,
    chrome: !!chrome,
    chrome_version: chrome ? +chrome[1] : 0,
    ios,
    android: /* @__PURE__ */ /Android\b/.test(nav.userAgent),
    webkit,
    safari,
    webkit_version: webkit ? +(/* @__PURE__ */ /\bAppleWebKit\/(\d+)/.exec(navigator.userAgent) || [0, 0])[1] : 0,
    tabSize: doc.documentElement.style.tabSize != null ? "tab-size" : "-moz-tab-size"
  };
  var MaxJoinLen = 256;
  var TextView = class _TextView extends ContentView {
    constructor(text) {
      super();
      this.text = text;
    }
    get length() {
      return this.text.length;
    }
    createDOM(textDOM) {
      this.setDOM(textDOM || document.createTextNode(this.text));
    }
    sync(view, track) {
      if (!this.dom)
        this.createDOM();
      if (this.dom.nodeValue != this.text) {
        if (track && track.node == this.dom)
          track.written = true;
        this.dom.nodeValue = this.text;
      }
    }
    reuseDOM(dom) {
      if (dom.nodeType == 3)
        this.createDOM(dom);
    }
    merge(from, to, source) {
      if (this.flags & 8 || source && (!(source instanceof _TextView) || this.length - (to - from) + source.length > MaxJoinLen || source.flags & 8))
        return false;
      this.text = this.text.slice(0, from) + (source ? source.text : "") + this.text.slice(to);
      this.markDirty();
      return true;
    }
    split(from) {
      let result = new _TextView(this.text.slice(from));
      this.text = this.text.slice(0, from);
      this.markDirty();
      result.flags |= this.flags & 8;
      return result;
    }
    localPosFromDOM(node, offset) {
      return node == this.dom ? offset : offset ? this.text.length : 0;
    }
    domAtPos(pos) {
      return new DOMPos(this.dom, pos);
    }
    domBoundsAround(_from, _to, offset) {
      return { from: offset, to: offset + this.length, startDOM: this.dom, endDOM: this.dom.nextSibling };
    }
    coordsAt(pos, side) {
      return textCoords(this.dom, pos, side);
    }
  };
  var MarkView = class _MarkView extends ContentView {
    constructor(mark, children = [], length = 0) {
      super();
      this.mark = mark;
      this.children = children;
      this.length = length;
      for (let ch of children)
        ch.setParent(this);
    }
    setAttrs(dom) {
      clearAttributes(dom);
      if (this.mark.class)
        dom.className = this.mark.class;
      if (this.mark.attrs)
        for (let name2 in this.mark.attrs)
          dom.setAttribute(name2, this.mark.attrs[name2]);
      return dom;
    }
    canReuseDOM(other) {
      return super.canReuseDOM(other) && !((this.flags | other.flags) & 8);
    }
    reuseDOM(node) {
      if (node.nodeName == this.mark.tagName.toUpperCase()) {
        this.setDOM(node);
        this.flags |= 4 | 2;
      }
    }
    sync(view, track) {
      if (!this.dom)
        this.setDOM(this.setAttrs(document.createElement(this.mark.tagName)));
      else if (this.flags & 4)
        this.setAttrs(this.dom);
      super.sync(view, track);
    }
    merge(from, to, source, _hasStart, openStart, openEnd) {
      if (source && (!(source instanceof _MarkView && source.mark.eq(this.mark)) || from && openStart <= 0 || to < this.length && openEnd <= 0))
        return false;
      mergeChildrenInto(this, from, to, source ? source.children.slice() : [], openStart - 1, openEnd - 1);
      this.markDirty();
      return true;
    }
    split(from) {
      let result = [], off = 0, detachFrom = -1, i = 0;
      for (let elt2 of this.children) {
        let end = off + elt2.length;
        if (end > from)
          result.push(off < from ? elt2.split(from - off) : elt2);
        if (detachFrom < 0 && off >= from)
          detachFrom = i;
        off = end;
        i++;
      }
      let length = this.length - from;
      this.length = from;
      if (detachFrom > -1) {
        this.children.length = detachFrom;
        this.markDirty();
      }
      return new _MarkView(this.mark, result, length);
    }
    domAtPos(pos) {
      return inlineDOMAtPos(this, pos);
    }
    coordsAt(pos, side) {
      return coordsInChildren(this, pos, side);
    }
  };
  function textCoords(text, pos, side) {
    let length = text.nodeValue.length;
    if (pos > length)
      pos = length;
    let from = pos, to = pos, flatten2 = 0;
    if (pos == 0 && side < 0 || pos == length && side >= 0) {
      if (!(browser.chrome || browser.gecko)) {
        if (pos) {
          from--;
          flatten2 = 1;
        } else if (to < length) {
          to++;
          flatten2 = -1;
        }
      }
    } else {
      if (side < 0)
        from--;
      else if (to < length)
        to++;
    }
    let rects = textRange(text, from, to).getClientRects();
    if (!rects.length)
      return null;
    let rect = rects[(flatten2 ? flatten2 < 0 : side >= 0) ? 0 : rects.length - 1];
    if (browser.safari && !flatten2 && rect.width == 0)
      rect = Array.prototype.find.call(rects, (r) => r.width) || rect;
    return flatten2 ? flattenRect(rect, flatten2 < 0) : rect || null;
  }
  var WidgetView = class _WidgetView extends ContentView {
    static create(widget, length, side) {
      return new _WidgetView(widget, length, side);
    }
    constructor(widget, length, side) {
      super();
      this.widget = widget;
      this.length = length;
      this.side = side;
      this.prevWidget = null;
    }
    split(from) {
      let result = _WidgetView.create(this.widget, this.length - from, this.side);
      this.length -= from;
      return result;
    }
    sync(view) {
      if (!this.dom || !this.widget.updateDOM(this.dom, view)) {
        if (this.dom && this.prevWidget)
          this.prevWidget.destroy(this.dom);
        this.prevWidget = null;
        this.setDOM(this.widget.toDOM(view));
        if (!this.widget.editable)
          this.dom.contentEditable = "false";
      }
    }
    getSide() {
      return this.side;
    }
    merge(from, to, source, hasStart, openStart, openEnd) {
      if (source && (!(source instanceof _WidgetView) || !this.widget.compare(source.widget) || from > 0 && openStart <= 0 || to < this.length && openEnd <= 0))
        return false;
      this.length = from + (source ? source.length : 0) + (this.length - to);
      return true;
    }
    become(other) {
      if (other instanceof _WidgetView && other.side == this.side && this.widget.constructor == other.widget.constructor) {
        if (!this.widget.compare(other.widget))
          this.markDirty(true);
        if (this.dom && !this.prevWidget)
          this.prevWidget = this.widget;
        this.widget = other.widget;
        this.length = other.length;
        return true;
      }
      return false;
    }
    ignoreMutation() {
      return true;
    }
    ignoreEvent(event) {
      return this.widget.ignoreEvent(event);
    }
    get overrideDOMText() {
      if (this.length == 0)
        return Text.empty;
      let top2 = this;
      while (top2.parent)
        top2 = top2.parent;
      let { view } = top2, text = view && view.state.doc, start = this.posAtStart;
      return text ? text.slice(start, start + this.length) : Text.empty;
    }
    domAtPos(pos) {
      return (this.length ? pos == 0 : this.side > 0) ? DOMPos.before(this.dom) : DOMPos.after(this.dom, pos == this.length);
    }
    domBoundsAround() {
      return null;
    }
    coordsAt(pos, side) {
      let custom = this.widget.coordsAt(this.dom, pos, side);
      if (custom)
        return custom;
      let rects = this.dom.getClientRects(), rect = null;
      if (!rects.length)
        return null;
      let fromBack = this.side ? this.side < 0 : pos > 0;
      for (let i = fromBack ? rects.length - 1 : 0; ; i += fromBack ? -1 : 1) {
        rect = rects[i];
        if (pos > 0 ? i == 0 : i == rects.length - 1 || rect.top < rect.bottom)
          break;
      }
      return flattenRect(rect, !fromBack);
    }
    get isEditable() {
      return false;
    }
    get isWidget() {
      return true;
    }
    get isHidden() {
      return this.widget.isHidden;
    }
    destroy() {
      super.destroy();
      if (this.dom)
        this.widget.destroy(this.dom);
    }
  };
  var WidgetBufferView = class _WidgetBufferView extends ContentView {
    constructor(side) {
      super();
      this.side = side;
    }
    get length() {
      return 0;
    }
    merge() {
      return false;
    }
    become(other) {
      return other instanceof _WidgetBufferView && other.side == this.side;
    }
    split() {
      return new _WidgetBufferView(this.side);
    }
    sync() {
      if (!this.dom) {
        let dom = document.createElement("img");
        dom.className = "cm-widgetBuffer";
        dom.setAttribute("aria-hidden", "true");
        this.setDOM(dom);
      }
    }
    getSide() {
      return this.side;
    }
    domAtPos(pos) {
      return this.side > 0 ? DOMPos.before(this.dom) : DOMPos.after(this.dom);
    }
    localPosFromDOM() {
      return 0;
    }
    domBoundsAround() {
      return null;
    }
    coordsAt(pos) {
      return this.dom.getBoundingClientRect();
    }
    get overrideDOMText() {
      return Text.empty;
    }
    get isHidden() {
      return true;
    }
  };
  TextView.prototype.children = WidgetView.prototype.children = WidgetBufferView.prototype.children = noChildren;
  function inlineDOMAtPos(parent, pos) {
    let dom = parent.dom, { children } = parent, i = 0;
    for (let off = 0; i < children.length; i++) {
      let child = children[i], end = off + child.length;
      if (end == off && child.getSide() <= 0)
        continue;
      if (pos > off && pos < end && child.dom.parentNode == dom)
        return child.domAtPos(pos - off);
      if (pos <= off)
        break;
      off = end;
    }
    for (let j = i; j > 0; j--) {
      let prev = children[j - 1];
      if (prev.dom.parentNode == dom)
        return prev.domAtPos(prev.length);
    }
    for (let j = i; j < children.length; j++) {
      let next = children[j];
      if (next.dom.parentNode == dom)
        return next.domAtPos(0);
    }
    return new DOMPos(dom, 0);
  }
  function joinInlineInto(parent, view, open) {
    let last, { children } = parent;
    if (open > 0 && view instanceof MarkView && children.length && (last = children[children.length - 1]) instanceof MarkView && last.mark.eq(view.mark)) {
      joinInlineInto(last, view.children[0], open - 1);
    } else {
      children.push(view);
      view.setParent(parent);
    }
    parent.length += view.length;
  }
  function coordsInChildren(view, pos, side) {
    let before = null, beforePos = -1, after = null, afterPos = -1;
    function scan(view2, pos2) {
      for (let i = 0, off = 0; i < view2.children.length && off <= pos2; i++) {
        let child = view2.children[i], end = off + child.length;
        if (end >= pos2) {
          if (child.children.length) {
            scan(child, pos2 - off);
          } else if ((!after || after.isHidden && side > 0) && (end > pos2 || off == end && child.getSide() > 0)) {
            after = child;
            afterPos = pos2 - off;
          } else if (off < pos2 || off == end && child.getSide() < 0 && !child.isHidden) {
            before = child;
            beforePos = pos2 - off;
          }
        }
        off = end;
      }
    }
    scan(view, pos);
    let target = (side < 0 ? before : after) || before || after;
    if (target)
      return target.coordsAt(Math.max(0, target == before ? beforePos : afterPos), side);
    return fallbackRect(view);
  }
  function fallbackRect(view) {
    let last = view.dom.lastChild;
    if (!last)
      return view.dom.getBoundingClientRect();
    let rects = clientRectsFor(last);
    return rects[rects.length - 1] || null;
  }
  function combineAttrs(source, target) {
    for (let name2 in source) {
      if (name2 == "class" && target.class)
        target.class += " " + source.class;
      else if (name2 == "style" && target.style)
        target.style += ";" + source.style;
      else
        target[name2] = source[name2];
    }
    return target;
  }
  var noAttrs = /* @__PURE__ */ Object.create(null);
  function attrsEq(a, b, ignore) {
    if (a == b)
      return true;
    if (!a)
      a = noAttrs;
    if (!b)
      b = noAttrs;
    let keysA = Object.keys(a), keysB = Object.keys(b);
    if (keysA.length - (ignore && keysA.indexOf(ignore) > -1 ? 1 : 0) != keysB.length - (ignore && keysB.indexOf(ignore) > -1 ? 1 : 0))
      return false;
    for (let key of keysA) {
      if (key != ignore && (keysB.indexOf(key) == -1 || a[key] !== b[key]))
        return false;
    }
    return true;
  }
  function updateAttrs(dom, prev, attrs) {
    let changed = false;
    if (prev) {
      for (let name2 in prev)
        if (!(attrs && name2 in attrs)) {
          changed = true;
          if (name2 == "style")
            dom.style.cssText = "";
          else
            dom.removeAttribute(name2);
        }
    }
    if (attrs) {
      for (let name2 in attrs)
        if (!(prev && prev[name2] == attrs[name2])) {
          changed = true;
          if (name2 == "style")
            dom.style.cssText = attrs[name2];
          else
            dom.setAttribute(name2, attrs[name2]);
        }
    }
    return changed;
  }
  function getAttrs(dom) {
    let attrs = /* @__PURE__ */ Object.create(null);
    for (let i = 0; i < dom.attributes.length; i++) {
      let attr = dom.attributes[i];
      attrs[attr.name] = attr.value;
    }
    return attrs;
  }
  var LineView = class _LineView extends ContentView {
    constructor() {
      super(...arguments);
      this.children = [];
      this.length = 0;
      this.prevAttrs = void 0;
      this.attrs = null;
      this.breakAfter = 0;
    }
    // Consumes source
    merge(from, to, source, hasStart, openStart, openEnd) {
      if (source) {
        if (!(source instanceof _LineView))
          return false;
        if (!this.dom)
          source.transferDOM(this);
      }
      if (hasStart)
        this.setDeco(source ? source.attrs : null);
      mergeChildrenInto(this, from, to, source ? source.children.slice() : [], openStart, openEnd);
      return true;
    }
    split(at) {
      let end = new _LineView();
      end.breakAfter = this.breakAfter;
      if (this.length == 0)
        return end;
      let { i, off } = this.childPos(at);
      if (off) {
        end.append(this.children[i].split(off), 0);
        this.children[i].merge(off, this.children[i].length, null, false, 0, 0);
        i++;
      }
      for (let j = i; j < this.children.length; j++)
        end.append(this.children[j], 0);
      while (i > 0 && this.children[i - 1].length == 0)
        this.children[--i].destroy();
      this.children.length = i;
      this.markDirty();
      this.length = at;
      return end;
    }
    transferDOM(other) {
      if (!this.dom)
        return;
      this.markDirty();
      other.setDOM(this.dom);
      other.prevAttrs = this.prevAttrs === void 0 ? this.attrs : this.prevAttrs;
      this.prevAttrs = void 0;
      this.dom = null;
    }
    setDeco(attrs) {
      if (!attrsEq(this.attrs, attrs)) {
        if (this.dom) {
          this.prevAttrs = this.attrs;
          this.markDirty();
        }
        this.attrs = attrs;
      }
    }
    append(child, openStart) {
      joinInlineInto(this, child, openStart);
    }
    // Only called when building a line view in ContentBuilder
    addLineDeco(deco) {
      let attrs = deco.spec.attributes, cls = deco.spec.class;
      if (attrs)
        this.attrs = combineAttrs(attrs, this.attrs || {});
      if (cls)
        this.attrs = combineAttrs({ class: cls }, this.attrs || {});
    }
    domAtPos(pos) {
      return inlineDOMAtPos(this, pos);
    }
    reuseDOM(node) {
      if (node.nodeName == "DIV") {
        this.setDOM(node);
        this.flags |= 4 | 2;
      }
    }
    sync(view, track) {
      var _a2;
      if (!this.dom) {
        this.setDOM(document.createElement("div"));
        this.dom.className = "cm-line";
        this.prevAttrs = this.attrs ? null : void 0;
      } else if (this.flags & 4) {
        clearAttributes(this.dom);
        this.dom.className = "cm-line";
        this.prevAttrs = this.attrs ? null : void 0;
      }
      if (this.prevAttrs !== void 0) {
        updateAttrs(this.dom, this.prevAttrs, this.attrs);
        this.dom.classList.add("cm-line");
        this.prevAttrs = void 0;
      }
      super.sync(view, track);
      let last = this.dom.lastChild;
      while (last && ContentView.get(last) instanceof MarkView)
        last = last.lastChild;
      if (!last || !this.length || last.nodeName != "BR" && ((_a2 = ContentView.get(last)) === null || _a2 === void 0 ? void 0 : _a2.isEditable) == false && (!browser.ios || !this.children.some((ch) => ch instanceof TextView))) {
        let hack = document.createElement("BR");
        hack.cmIgnore = true;
        this.dom.appendChild(hack);
      }
    }
    measureTextSize() {
      if (this.children.length == 0 || this.length > 20)
        return null;
      let totalWidth = 0, textHeight;
      for (let child of this.children) {
        if (!(child instanceof TextView) || /[^ -~]/.test(child.text))
          return null;
        let rects = clientRectsFor(child.dom);
        if (rects.length != 1)
          return null;
        totalWidth += rects[0].width;
        textHeight = rects[0].height;
      }
      return !totalWidth ? null : {
        lineHeight: this.dom.getBoundingClientRect().height,
        charWidth: totalWidth / this.length,
        textHeight
      };
    }
    coordsAt(pos, side) {
      let rect = coordsInChildren(this, pos, side);
      if (!this.children.length && rect && this.parent) {
        let { heightOracle } = this.parent.view.viewState, height = rect.bottom - rect.top;
        if (Math.abs(height - heightOracle.lineHeight) < 2 && heightOracle.textHeight < height) {
          let dist2 = (height - heightOracle.textHeight) / 2;
          return { top: rect.top + dist2, bottom: rect.bottom - dist2, left: rect.left, right: rect.left };
        }
      }
      return rect;
    }
    become(_other) {
      return false;
    }
    covers() {
      return true;
    }
    static find(docView, pos) {
      for (let i = 0, off = 0; i < docView.children.length; i++) {
        let block = docView.children[i], end = off + block.length;
        if (end >= pos) {
          if (block instanceof _LineView)
            return block;
          if (end > pos)
            break;
        }
        off = end + block.breakAfter;
      }
      return null;
    }
  };
  var BlockWidgetView = class _BlockWidgetView extends ContentView {
    constructor(widget, length, deco) {
      super();
      this.widget = widget;
      this.length = length;
      this.deco = deco;
      this.breakAfter = 0;
      this.prevWidget = null;
    }
    merge(from, to, source, _takeDeco, openStart, openEnd) {
      if (source && (!(source instanceof _BlockWidgetView) || !this.widget.compare(source.widget) || from > 0 && openStart <= 0 || to < this.length && openEnd <= 0))
        return false;
      this.length = from + (source ? source.length : 0) + (this.length - to);
      return true;
    }
    domAtPos(pos) {
      return pos == 0 ? DOMPos.before(this.dom) : DOMPos.after(this.dom, pos == this.length);
    }
    split(at) {
      let len = this.length - at;
      this.length = at;
      let end = new _BlockWidgetView(this.widget, len, this.deco);
      end.breakAfter = this.breakAfter;
      return end;
    }
    get children() {
      return noChildren;
    }
    sync(view) {
      if (!this.dom || !this.widget.updateDOM(this.dom, view)) {
        if (this.dom && this.prevWidget)
          this.prevWidget.destroy(this.dom);
        this.prevWidget = null;
        this.setDOM(this.widget.toDOM(view));
        if (!this.widget.editable)
          this.dom.contentEditable = "false";
      }
    }
    get overrideDOMText() {
      return this.parent ? this.parent.view.state.doc.slice(this.posAtStart, this.posAtEnd) : Text.empty;
    }
    domBoundsAround() {
      return null;
    }
    become(other) {
      if (other instanceof _BlockWidgetView && other.widget.constructor == this.widget.constructor) {
        if (!other.widget.compare(this.widget))
          this.markDirty(true);
        if (this.dom && !this.prevWidget)
          this.prevWidget = this.widget;
        this.widget = other.widget;
        this.length = other.length;
        this.deco = other.deco;
        this.breakAfter = other.breakAfter;
        return true;
      }
      return false;
    }
    ignoreMutation() {
      return true;
    }
    ignoreEvent(event) {
      return this.widget.ignoreEvent(event);
    }
    get isEditable() {
      return false;
    }
    get isWidget() {
      return true;
    }
    coordsAt(pos, side) {
      return this.widget.coordsAt(this.dom, pos, side);
    }
    destroy() {
      super.destroy();
      if (this.dom)
        this.widget.destroy(this.dom);
    }
    covers(side) {
      let { startSide, endSide } = this.deco;
      return startSide == endSide ? false : side < 0 ? startSide < 0 : endSide > 0;
    }
  };
  var WidgetType = class {
    /**
    Compare this instance to another instance of the same type.
    (TypeScript can't express this, but only instances of the same
    specific class will be passed to this method.) This is used to
    avoid redrawing widgets when they are replaced by a new
    decoration of the same type. The default implementation just
    returns `false`, which will cause new instances of the widget to
    always be redrawn.
    */
    eq(widget) {
      return false;
    }
    /**
    Update a DOM element created by a widget of the same type (but
    different, non-`eq` content) to reflect this widget. May return
    true to indicate that it could update, false to indicate it
    couldn't (in which case the widget will be redrawn). The default
    implementation just returns false.
    */
    updateDOM(dom, view) {
      return false;
    }
    /**
    @internal
    */
    compare(other) {
      return this == other || this.constructor == other.constructor && this.eq(other);
    }
    /**
    The estimated height this widget will have, to be used when
    estimating the height of content that hasn't been drawn. May
    return -1 to indicate you don't know. The default implementation
    returns -1.
    */
    get estimatedHeight() {
      return -1;
    }
    /**
    For inline widgets that are displayed inline (as opposed to
    `inline-block`) and introduce line breaks (through `<br>` tags
    or textual newlines), this must indicate the amount of line
    breaks they introduce. Defaults to 0.
    */
    get lineBreaks() {
      return 0;
    }
    /**
    Can be used to configure which kinds of events inside the widget
    should be ignored by the editor. The default is to ignore all
    events.
    */
    ignoreEvent(event) {
      return true;
    }
    /**
    Override the way screen coordinates for positions at/in the
    widget are found. `pos` will be the offset into the widget, and
    `side` the side of the position that is being queried—less than
    zero for before, greater than zero for after, and zero for
    directly at that position.
    */
    coordsAt(dom, pos, side) {
      return null;
    }
    /**
    @internal
    */
    get isHidden() {
      return false;
    }
    /**
    @internal
    */
    get editable() {
      return false;
    }
    /**
    This is called when the an instance of the widget is removed
    from the editor view.
    */
    destroy(dom) {
    }
  };
  var BlockType = /* @__PURE__ */ function(BlockType2) {
    BlockType2[BlockType2["Text"] = 0] = "Text";
    BlockType2[BlockType2["WidgetBefore"] = 1] = "WidgetBefore";
    BlockType2[BlockType2["WidgetAfter"] = 2] = "WidgetAfter";
    BlockType2[BlockType2["WidgetRange"] = 3] = "WidgetRange";
    return BlockType2;
  }(BlockType || (BlockType = {}));
  var Decoration = class extends RangeValue {
    constructor(startSide, endSide, widget, spec) {
      super();
      this.startSide = startSide;
      this.endSide = endSide;
      this.widget = widget;
      this.spec = spec;
    }
    /**
    @internal
    */
    get heightRelevant() {
      return false;
    }
    /**
    Create a mark decoration, which influences the styling of the
    content in its range. Nested mark decorations will cause nested
    DOM elements to be created. Nesting order is determined by
    precedence of the [facet](https://codemirror.net/6/docs/ref/#view.EditorView^decorations), with
    the higher-precedence decorations creating the inner DOM nodes.
    Such elements are split on line boundaries and on the boundaries
    of lower-precedence decorations.
    */
    static mark(spec) {
      return new MarkDecoration(spec);
    }
    /**
    Create a widget decoration, which displays a DOM element at the
    given position.
    */
    static widget(spec) {
      let side = Math.max(-1e4, Math.min(1e4, spec.side || 0)), block = !!spec.block;
      side += block && !spec.inlineOrder ? side > 0 ? 3e8 : -4e8 : side > 0 ? 1e8 : -1e8;
      return new PointDecoration(spec, side, side, block, spec.widget || null, false);
    }
    /**
    Create a replace decoration which replaces the given range with
    a widget, or simply hides it.
    */
    static replace(spec) {
      let block = !!spec.block, startSide, endSide;
      if (spec.isBlockGap) {
        startSide = -5e8;
        endSide = 4e8;
      } else {
        let { start, end } = getInclusive(spec, block);
        startSide = (start ? block ? -3e8 : -1 : 5e8) - 1;
        endSide = (end ? block ? 2e8 : 1 : -6e8) + 1;
      }
      return new PointDecoration(spec, startSide, endSide, block, spec.widget || null, true);
    }
    /**
    Create a line decoration, which can add DOM attributes to the
    line starting at the given position.
    */
    static line(spec) {
      return new LineDecoration(spec);
    }
    /**
    Build a [`DecorationSet`](https://codemirror.net/6/docs/ref/#view.DecorationSet) from the given
    decorated range or ranges. If the ranges aren't already sorted,
    pass `true` for `sort` to make the library sort them for you.
    */
    static set(of, sort = false) {
      return RangeSet.of(of, sort);
    }
    /**
    @internal
    */
    hasHeight() {
      return this.widget ? this.widget.estimatedHeight > -1 : false;
    }
  };
  Decoration.none = RangeSet.empty;
  var MarkDecoration = class _MarkDecoration extends Decoration {
    constructor(spec) {
      let { start, end } = getInclusive(spec);
      super(start ? -1 : 5e8, end ? 1 : -6e8, null, spec);
      this.tagName = spec.tagName || "span";
      this.class = spec.class || "";
      this.attrs = spec.attributes || null;
    }
    eq(other) {
      var _a2, _b;
      return this == other || other instanceof _MarkDecoration && this.tagName == other.tagName && (this.class || ((_a2 = this.attrs) === null || _a2 === void 0 ? void 0 : _a2.class)) == (other.class || ((_b = other.attrs) === null || _b === void 0 ? void 0 : _b.class)) && attrsEq(this.attrs, other.attrs, "class");
    }
    range(from, to = from) {
      if (from >= to)
        throw new RangeError("Mark decorations may not be empty");
      return super.range(from, to);
    }
  };
  MarkDecoration.prototype.point = false;
  var LineDecoration = class _LineDecoration extends Decoration {
    constructor(spec) {
      super(-2e8, -2e8, null, spec);
    }
    eq(other) {
      return other instanceof _LineDecoration && this.spec.class == other.spec.class && attrsEq(this.spec.attributes, other.spec.attributes);
    }
    range(from, to = from) {
      if (to != from)
        throw new RangeError("Line decoration ranges must be zero-length");
      return super.range(from, to);
    }
  };
  LineDecoration.prototype.mapMode = MapMode.TrackBefore;
  LineDecoration.prototype.point = true;
  var PointDecoration = class _PointDecoration extends Decoration {
    constructor(spec, startSide, endSide, block, widget, isReplace) {
      super(startSide, endSide, widget, spec);
      this.block = block;
      this.isReplace = isReplace;
      this.mapMode = !block ? MapMode.TrackDel : startSide <= 0 ? MapMode.TrackBefore : MapMode.TrackAfter;
    }
    // Only relevant when this.block == true
    get type() {
      return this.startSide != this.endSide ? BlockType.WidgetRange : this.startSide <= 0 ? BlockType.WidgetBefore : BlockType.WidgetAfter;
    }
    get heightRelevant() {
      return this.block || !!this.widget && (this.widget.estimatedHeight >= 5 || this.widget.lineBreaks > 0);
    }
    eq(other) {
      return other instanceof _PointDecoration && widgetsEq(this.widget, other.widget) && this.block == other.block && this.startSide == other.startSide && this.endSide == other.endSide;
    }
    range(from, to = from) {
      if (this.isReplace && (from > to || from == to && this.startSide > 0 && this.endSide <= 0))
        throw new RangeError("Invalid range for replacement decoration");
      if (!this.isReplace && to != from)
        throw new RangeError("Widget decorations can only have zero-length ranges");
      return super.range(from, to);
    }
  };
  PointDecoration.prototype.point = true;
  function getInclusive(spec, block = false) {
    let { inclusiveStart: start, inclusiveEnd: end } = spec;
    if (start == null)
      start = spec.inclusive;
    if (end == null)
      end = spec.inclusive;
    return { start: start !== null && start !== void 0 ? start : block, end: end !== null && end !== void 0 ? end : block };
  }
  function widgetsEq(a, b) {
    return a == b || !!(a && b && a.compare(b));
  }
  function addRange(from, to, ranges, margin = 0) {
    let last = ranges.length - 1;
    if (last >= 0 && ranges[last] + margin >= from)
      ranges[last] = Math.max(ranges[last], to);
    else
      ranges.push(from, to);
  }
  var ContentBuilder = class _ContentBuilder {
    constructor(doc2, pos, end, disallowBlockEffectsFor) {
      this.doc = doc2;
      this.pos = pos;
      this.end = end;
      this.disallowBlockEffectsFor = disallowBlockEffectsFor;
      this.content = [];
      this.curLine = null;
      this.breakAtStart = 0;
      this.pendingBuffer = 0;
      this.bufferMarks = [];
      this.atCursorPos = true;
      this.openStart = -1;
      this.openEnd = -1;
      this.text = "";
      this.textOff = 0;
      this.cursor = doc2.iter();
      this.skip = pos;
    }
    posCovered() {
      if (this.content.length == 0)
        return !this.breakAtStart && this.doc.lineAt(this.pos).from != this.pos;
      let last = this.content[this.content.length - 1];
      return !(last.breakAfter || last instanceof BlockWidgetView && last.deco.endSide < 0);
    }
    getLine() {
      if (!this.curLine) {
        this.content.push(this.curLine = new LineView());
        this.atCursorPos = true;
      }
      return this.curLine;
    }
    flushBuffer(active = this.bufferMarks) {
      if (this.pendingBuffer) {
        this.curLine.append(wrapMarks(new WidgetBufferView(-1), active), active.length);
        this.pendingBuffer = 0;
      }
    }
    addBlockWidget(view) {
      this.flushBuffer();
      this.curLine = null;
      this.content.push(view);
    }
    finish(openEnd) {
      if (this.pendingBuffer && openEnd <= this.bufferMarks.length)
        this.flushBuffer();
      else
        this.pendingBuffer = 0;
      if (!this.posCovered() && !(openEnd && this.content.length && this.content[this.content.length - 1] instanceof BlockWidgetView))
        this.getLine();
    }
    buildText(length, active, openStart) {
      while (length > 0) {
        if (this.textOff == this.text.length) {
          let { value, lineBreak, done } = this.cursor.next(this.skip);
          this.skip = 0;
          if (done)
            throw new Error("Ran out of text content when drawing inline views");
          if (lineBreak) {
            if (!this.posCovered())
              this.getLine();
            if (this.content.length)
              this.content[this.content.length - 1].breakAfter = 1;
            else
              this.breakAtStart = 1;
            this.flushBuffer();
            this.curLine = null;
            this.atCursorPos = true;
            length--;
            continue;
          } else {
            this.text = value;
            this.textOff = 0;
          }
        }
        let take = Math.min(
          this.text.length - this.textOff,
          length,
          512
          /* T.Chunk */
        );
        this.flushBuffer(active.slice(active.length - openStart));
        this.getLine().append(wrapMarks(new TextView(this.text.slice(this.textOff, this.textOff + take)), active), openStart);
        this.atCursorPos = true;
        this.textOff += take;
        length -= take;
        openStart = 0;
      }
    }
    span(from, to, active, openStart) {
      this.buildText(to - from, active, openStart);
      this.pos = to;
      if (this.openStart < 0)
        this.openStart = openStart;
    }
    point(from, to, deco, active, openStart, index) {
      if (this.disallowBlockEffectsFor[index] && deco instanceof PointDecoration) {
        if (deco.block)
          throw new RangeError("Block decorations may not be specified via plugins");
        if (to > this.doc.lineAt(this.pos).to)
          throw new RangeError("Decorations that replace line breaks may not be specified via plugins");
      }
      let len = to - from;
      if (deco instanceof PointDecoration) {
        if (deco.block) {
          if (deco.startSide > 0 && !this.posCovered())
            this.getLine();
          this.addBlockWidget(new BlockWidgetView(deco.widget || NullWidget.block, len, deco));
        } else {
          let view = WidgetView.create(deco.widget || NullWidget.inline, len, len ? 0 : deco.startSide);
          let cursorBefore = this.atCursorPos && !view.isEditable && openStart <= active.length && (from < to || deco.startSide > 0);
          let cursorAfter = !view.isEditable && (from < to || openStart > active.length || deco.startSide <= 0);
          let line = this.getLine();
          if (this.pendingBuffer == 2 && !cursorBefore && !view.isEditable)
            this.pendingBuffer = 0;
          this.flushBuffer(active);
          if (cursorBefore) {
            line.append(wrapMarks(new WidgetBufferView(1), active), openStart);
            openStart = active.length + Math.max(0, openStart - active.length);
          }
          line.append(wrapMarks(view, active), openStart);
          this.atCursorPos = cursorAfter;
          this.pendingBuffer = !cursorAfter ? 0 : from < to || openStart > active.length ? 1 : 2;
          if (this.pendingBuffer)
            this.bufferMarks = active.slice();
        }
      } else if (this.doc.lineAt(this.pos).from == this.pos) {
        this.getLine().addLineDeco(deco);
      }
      if (len) {
        if (this.textOff + len <= this.text.length) {
          this.textOff += len;
        } else {
          this.skip += len - (this.text.length - this.textOff);
          this.text = "";
          this.textOff = 0;
        }
        this.pos = to;
      }
      if (this.openStart < 0)
        this.openStart = openStart;
    }
    static build(text, from, to, decorations2, dynamicDecorationMap) {
      let builder = new _ContentBuilder(text, from, to, dynamicDecorationMap);
      builder.openEnd = RangeSet.spans(decorations2, from, to, builder);
      if (builder.openStart < 0)
        builder.openStart = builder.openEnd;
      builder.finish(builder.openEnd);
      return builder;
    }
  };
  function wrapMarks(view, active) {
    for (let mark of active)
      view = new MarkView(mark, [view], view.length);
    return view;
  }
  var NullWidget = class extends WidgetType {
    constructor(tag) {
      super();
      this.tag = tag;
    }
    eq(other) {
      return other.tag == this.tag;
    }
    toDOM() {
      return document.createElement(this.tag);
    }
    updateDOM(elt2) {
      return elt2.nodeName.toLowerCase() == this.tag;
    }
    get isHidden() {
      return true;
    }
  };
  NullWidget.inline = /* @__PURE__ */ new NullWidget("span");
  NullWidget.block = /* @__PURE__ */ new NullWidget("div");
  var Direction = /* @__PURE__ */ function(Direction2) {
    Direction2[Direction2["LTR"] = 0] = "LTR";
    Direction2[Direction2["RTL"] = 1] = "RTL";
    return Direction2;
  }(Direction || (Direction = {}));
  var LTR = Direction.LTR;
  var RTL = Direction.RTL;
  function dec(str) {
    let result = [];
    for (let i = 0; i < str.length; i++)
      result.push(1 << +str[i]);
    return result;
  }
  var LowTypes = /* @__PURE__ */ dec("88888888888888888888888888888888888666888888787833333333337888888000000000000000000000000008888880000000000000000000000000088888888888888888888888888888888888887866668888088888663380888308888800000000000000000000000800000000000000000000000000000008");
  var ArabicTypes = /* @__PURE__ */ dec("4444448826627288999999999992222222222222222222222222222222222222222222222229999999999999999999994444444444644222822222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222999999949999999229989999223333333333");
  var Brackets = /* @__PURE__ */ Object.create(null);
  var BracketStack = [];
  for (let p of ["()", "[]", "{}"]) {
    let l = /* @__PURE__ */ p.charCodeAt(0), r = /* @__PURE__ */ p.charCodeAt(1);
    Brackets[l] = r;
    Brackets[r] = -l;
  }
  function charType(ch) {
    return ch <= 247 ? LowTypes[ch] : 1424 <= ch && ch <= 1524 ? 2 : 1536 <= ch && ch <= 1785 ? ArabicTypes[ch - 1536] : 1774 <= ch && ch <= 2220 ? 4 : 8192 <= ch && ch <= 8204 ? 256 : 64336 <= ch && ch <= 65023 ? 4 : 1;
  }
  var BidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac\ufb50-\ufdff]/;
  var BidiSpan = class {
    /**
    The direction of this span.
    */
    get dir() {
      return this.level % 2 ? RTL : LTR;
    }
    /**
    @internal
    */
    constructor(from, to, level) {
      this.from = from;
      this.to = to;
      this.level = level;
    }
    /**
    @internal
    */
    side(end, dir) {
      return this.dir == dir == end ? this.to : this.from;
    }
    /**
    @internal
    */
    forward(forward, dir) {
      return forward == (this.dir == dir);
    }
    /**
    @internal
    */
    static find(order, index, level, assoc) {
      let maybe = -1;
      for (let i = 0; i < order.length; i++) {
        let span = order[i];
        if (span.from <= index && span.to >= index) {
          if (span.level == level)
            return i;
          if (maybe < 0 || (assoc != 0 ? assoc < 0 ? span.from < index : span.to > index : order[maybe].level > span.level))
            maybe = i;
        }
      }
      if (maybe < 0)
        throw new RangeError("Index out of range");
      return maybe;
    }
  };
  function isolatesEq(a, b) {
    if (a.length != b.length)
      return false;
    for (let i = 0; i < a.length; i++) {
      let iA = a[i], iB = b[i];
      if (iA.from != iB.from || iA.to != iB.to || iA.direction != iB.direction || !isolatesEq(iA.inner, iB.inner))
        return false;
    }
    return true;
  }
  var types = [];
  function computeCharTypes(line, rFrom, rTo, isolates, outerType) {
    for (let iI = 0; iI <= isolates.length; iI++) {
      let from = iI ? isolates[iI - 1].to : rFrom, to = iI < isolates.length ? isolates[iI].from : rTo;
      let prevType = iI ? 256 : outerType;
      for (let i = from, prev = prevType, prevStrong = prevType; i < to; i++) {
        let type = charType(line.charCodeAt(i));
        if (type == 512)
          type = prev;
        else if (type == 8 && prevStrong == 4)
          type = 16;
        types[i] = type == 4 ? 2 : type;
        if (type & 7)
          prevStrong = type;
        prev = type;
      }
      for (let i = from, prev = prevType, prevStrong = prevType; i < to; i++) {
        let type = types[i];
        if (type == 128) {
          if (i < to - 1 && prev == types[i + 1] && prev & 24)
            type = types[i] = prev;
          else
            types[i] = 256;
        } else if (type == 64) {
          let end = i + 1;
          while (end < to && types[end] == 64)
            end++;
          let replace = i && prev == 8 || end < rTo && types[end] == 8 ? prevStrong == 1 ? 1 : 8 : 256;
          for (let j = i; j < end; j++)
            types[j] = replace;
          i = end - 1;
        } else if (type == 8 && prevStrong == 1) {
          types[i] = 1;
        }
        prev = type;
        if (type & 7)
          prevStrong = type;
      }
    }
  }
  function processBracketPairs(line, rFrom, rTo, isolates, outerType) {
    let oppositeType = outerType == 1 ? 2 : 1;
    for (let iI = 0, sI = 0, context = 0; iI <= isolates.length; iI++) {
      let from = iI ? isolates[iI - 1].to : rFrom, to = iI < isolates.length ? isolates[iI].from : rTo;
      for (let i = from, ch, br, type; i < to; i++) {
        if (br = Brackets[ch = line.charCodeAt(i)]) {
          if (br < 0) {
            for (let sJ = sI - 3; sJ >= 0; sJ -= 3) {
              if (BracketStack[sJ + 1] == -br) {
                let flags = BracketStack[sJ + 2];
                let type2 = flags & 2 ? outerType : !(flags & 4) ? 0 : flags & 1 ? oppositeType : outerType;
                if (type2)
                  types[i] = types[BracketStack[sJ]] = type2;
                sI = sJ;
                break;
              }
            }
          } else if (BracketStack.length == 189) {
            break;
          } else {
            BracketStack[sI++] = i;
            BracketStack[sI++] = ch;
            BracketStack[sI++] = context;
          }
        } else if ((type = types[i]) == 2 || type == 1) {
          let embed = type == outerType;
          context = embed ? 0 : 1;
          for (let sJ = sI - 3; sJ >= 0; sJ -= 3) {
            let cur2 = BracketStack[sJ + 2];
            if (cur2 & 2)
              break;
            if (embed) {
              BracketStack[sJ + 2] |= 2;
            } else {
              if (cur2 & 4)
                break;
              BracketStack[sJ + 2] |= 4;
            }
          }
        }
      }
    }
  }
  function processNeutrals(rFrom, rTo, isolates, outerType) {
    for (let iI = 0, prev = outerType; iI <= isolates.length; iI++) {
      let from = iI ? isolates[iI - 1].to : rFrom, to = iI < isolates.length ? isolates[iI].from : rTo;
      for (let i = from; i < to; ) {
        let type = types[i];
        if (type == 256) {
          let end = i + 1;
          for (; ; ) {
            if (end == to) {
              if (iI == isolates.length)
                break;
              end = isolates[iI++].to;
              to = iI < isolates.length ? isolates[iI].from : rTo;
            } else if (types[end] == 256) {
              end++;
            } else {
              break;
            }
          }
          let beforeL = prev == 1;
          let afterL = (end < rTo ? types[end] : outerType) == 1;
          let replace = beforeL == afterL ? beforeL ? 1 : 2 : outerType;
          for (let j = end, jI = iI, fromJ = jI ? isolates[jI - 1].to : rFrom; j > i; ) {
            if (j == fromJ) {
              j = isolates[--jI].from;
              fromJ = jI ? isolates[jI - 1].to : rFrom;
            }
            types[--j] = replace;
          }
          i = end;
        } else {
          prev = type;
          i++;
        }
      }
    }
  }
  function emitSpans(line, from, to, level, baseLevel, isolates, order) {
    let ourType = level % 2 ? 2 : 1;
    if (level % 2 == baseLevel % 2) {
      for (let iCh = from, iI = 0; iCh < to; ) {
        let sameDir = true, isNum = false;
        if (iI == isolates.length || iCh < isolates[iI].from) {
          let next = types[iCh];
          if (next != ourType) {
            sameDir = false;
            isNum = next == 16;
          }
        }
        let recurse = !sameDir && ourType == 1 ? [] : null;
        let localLevel = sameDir ? level : level + 1;
        let iScan = iCh;
        run: for (; ; ) {
          if (iI < isolates.length && iScan == isolates[iI].from) {
            if (isNum)
              break run;
            let iso = isolates[iI];
            if (!sameDir)
              for (let upto = iso.to, jI = iI + 1; ; ) {
                if (upto == to)
                  break run;
                if (jI < isolates.length && isolates[jI].from == upto)
                  upto = isolates[jI++].to;
                else if (types[upto] == ourType)
                  break run;
                else
                  break;
              }
            iI++;
            if (recurse) {
              recurse.push(iso);
            } else {
              if (iso.from > iCh)
                order.push(new BidiSpan(iCh, iso.from, localLevel));
              let dirSwap = iso.direction == LTR != !(localLevel % 2);
              computeSectionOrder(line, dirSwap ? level + 1 : level, baseLevel, iso.inner, iso.from, iso.to, order);
              iCh = iso.to;
            }
            iScan = iso.to;
          } else if (iScan == to || (sameDir ? types[iScan] != ourType : types[iScan] == ourType)) {
            break;
          } else {
            iScan++;
          }
        }
        if (recurse)
          emitSpans(line, iCh, iScan, level + 1, baseLevel, recurse, order);
        else if (iCh < iScan)
          order.push(new BidiSpan(iCh, iScan, localLevel));
        iCh = iScan;
      }
    } else {
      for (let iCh = to, iI = isolates.length; iCh > from; ) {
        let sameDir = true, isNum = false;
        if (!iI || iCh > isolates[iI - 1].to) {
          let next = types[iCh - 1];
          if (next != ourType) {
            sameDir = false;
            isNum = next == 16;
          }
        }
        let recurse = !sameDir && ourType == 1 ? [] : null;
        let localLevel = sameDir ? level : level + 1;
        let iScan = iCh;
        run: for (; ; ) {
          if (iI && iScan == isolates[iI - 1].to) {
            if (isNum)
              break run;
            let iso = isolates[--iI];
            if (!sameDir)
              for (let upto = iso.from, jI = iI; ; ) {
                if (upto == from)
                  break run;
                if (jI && isolates[jI - 1].to == upto)
                  upto = isolates[--jI].from;
                else if (types[upto - 1] == ourType)
                  break run;
                else
                  break;
              }
            if (recurse) {
              recurse.push(iso);
            } else {
              if (iso.to < iCh)
                order.push(new BidiSpan(iso.to, iCh, localLevel));
              let dirSwap = iso.direction == LTR != !(localLevel % 2);
              computeSectionOrder(line, dirSwap ? level + 1 : level, baseLevel, iso.inner, iso.from, iso.to, order);
              iCh = iso.from;
            }
            iScan = iso.from;
          } else if (iScan == from || (sameDir ? types[iScan - 1] != ourType : types[iScan - 1] == ourType)) {
            break;
          } else {
            iScan--;
          }
        }
        if (recurse)
          emitSpans(line, iScan, iCh, level + 1, baseLevel, recurse, order);
        else if (iScan < iCh)
          order.push(new BidiSpan(iScan, iCh, localLevel));
        iCh = iScan;
      }
    }
  }
  function computeSectionOrder(line, level, baseLevel, isolates, from, to, order) {
    let outerType = level % 2 ? 2 : 1;
    computeCharTypes(line, from, to, isolates, outerType);
    processBracketPairs(line, from, to, isolates, outerType);
    processNeutrals(from, to, isolates, outerType);
    emitSpans(line, from, to, level, baseLevel, isolates, order);
  }
  function computeOrder(line, direction, isolates) {
    if (!line)
      return [new BidiSpan(0, 0, direction == RTL ? 1 : 0)];
    if (direction == LTR && !isolates.length && !BidiRE.test(line))
      return trivialOrder(line.length);
    if (isolates.length)
      while (line.length > types.length)
        types[types.length] = 256;
    let order = [], level = direction == LTR ? 0 : 1;
    computeSectionOrder(line, level, level, isolates, 0, line.length, order);
    return order;
  }
  function trivialOrder(length) {
    return [new BidiSpan(0, length, 0)];
  }
  var movedOver = "";
  function moveVisually(line, order, dir, start, forward) {
    var _a2;
    let startIndex = start.head - line.from;
    let spanI = BidiSpan.find(order, startIndex, (_a2 = start.bidiLevel) !== null && _a2 !== void 0 ? _a2 : -1, start.assoc);
    let span = order[spanI], spanEnd = span.side(forward, dir);
    if (startIndex == spanEnd) {
      let nextI = spanI += forward ? 1 : -1;
      if (nextI < 0 || nextI >= order.length)
        return null;
      span = order[spanI = nextI];
      startIndex = span.side(!forward, dir);
      spanEnd = span.side(forward, dir);
    }
    let nextIndex = findClusterBreak(line.text, startIndex, span.forward(forward, dir));
    if (nextIndex < span.from || nextIndex > span.to)
      nextIndex = spanEnd;
    movedOver = line.text.slice(Math.min(startIndex, nextIndex), Math.max(startIndex, nextIndex));
    let nextSpan = spanI == (forward ? order.length - 1 : 0) ? null : order[spanI + (forward ? 1 : -1)];
    if (nextSpan && nextIndex == spanEnd && nextSpan.level + (forward ? 0 : 1) < span.level)
      return EditorSelection.cursor(nextSpan.side(!forward, dir) + line.from, nextSpan.forward(forward, dir) ? 1 : -1, nextSpan.level);
    return EditorSelection.cursor(nextIndex + line.from, span.forward(forward, dir) ? -1 : 1, span.level);
  }
  function autoDirection(text, from, to) {
    for (let i = from; i < to; i++) {
      let type = charType(text.charCodeAt(i));
      if (type == 1)
        return LTR;
      if (type == 2 || type == 4)
        return RTL;
    }
    return LTR;
  }
  var clickAddsSelectionRange = /* @__PURE__ */ Facet.define();
  var dragMovesSelection$1 = /* @__PURE__ */ Facet.define();
  var mouseSelectionStyle = /* @__PURE__ */ Facet.define();
  var exceptionSink = /* @__PURE__ */ Facet.define();
  var updateListener = /* @__PURE__ */ Facet.define();
  var inputHandler = /* @__PURE__ */ Facet.define();
  var focusChangeEffect = /* @__PURE__ */ Facet.define();
  var perLineTextDirection = /* @__PURE__ */ Facet.define({
    combine: (values2) => values2.some((x) => x)
  });
  var nativeSelectionHidden = /* @__PURE__ */ Facet.define({
    combine: (values2) => values2.some((x) => x)
  });
  var scrollHandler = /* @__PURE__ */ Facet.define();
  var ScrollTarget = class _ScrollTarget {
    constructor(range, y = "nearest", x = "nearest", yMargin = 5, xMargin = 5, isSnapshot = false) {
      this.range = range;
      this.y = y;
      this.x = x;
      this.yMargin = yMargin;
      this.xMargin = xMargin;
      this.isSnapshot = isSnapshot;
    }
    map(changes) {
      return changes.empty ? this : new _ScrollTarget(this.range.map(changes), this.y, this.x, this.yMargin, this.xMargin, this.isSnapshot);
    }
    clip(state) {
      return this.range.to <= state.doc.length ? this : new _ScrollTarget(EditorSelection.cursor(state.doc.length), this.y, this.x, this.yMargin, this.xMargin, this.isSnapshot);
    }
  };
  var scrollIntoView = /* @__PURE__ */ StateEffect.define({ map: (t2, ch) => t2.map(ch) });
  function logException(state, exception, context) {
    let handler = state.facet(exceptionSink);
    if (handler.length)
      handler[0](exception);
    else if (window.onerror)
      window.onerror(String(exception), context, void 0, void 0, exception);
    else if (context)
      console.error(context + ":", exception);
    else
      console.error(exception);
  }
  var editable = /* @__PURE__ */ Facet.define({ combine: (values2) => values2.length ? values2[0] : true });
  var nextPluginID = 0;
  var viewPlugin = /* @__PURE__ */ Facet.define();
  var ViewPlugin = class _ViewPlugin {
    constructor(id2, create, domEventHandlers, domEventObservers, buildExtensions) {
      this.id = id2;
      this.create = create;
      this.domEventHandlers = domEventHandlers;
      this.domEventObservers = domEventObservers;
      this.extension = buildExtensions(this);
    }
    /**
    Define a plugin from a constructor function that creates the
    plugin's value, given an editor view.
    */
    static define(create, spec) {
      const { eventHandlers, eventObservers, provide, decorations: deco } = spec || {};
      return new _ViewPlugin(nextPluginID++, create, eventHandlers, eventObservers, (plugin) => {
        let ext = [viewPlugin.of(plugin)];
        if (deco)
          ext.push(decorations.of((view) => {
            let pluginInst = view.plugin(plugin);
            return pluginInst ? deco(pluginInst) : Decoration.none;
          }));
        if (provide)
          ext.push(provide(plugin));
        return ext;
      });
    }
    /**
    Create a plugin for a class whose constructor takes a single
    editor view as argument.
    */
    static fromClass(cls, spec) {
      return _ViewPlugin.define((view) => new cls(view), spec);
    }
  };
  var PluginInstance = class {
    constructor(spec) {
      this.spec = spec;
      this.mustUpdate = null;
      this.value = null;
    }
    update(view) {
      if (!this.value) {
        if (this.spec) {
          try {
            this.value = this.spec.create(view);
          } catch (e) {
            logException(view.state, e, "CodeMirror plugin crashed");
            this.deactivate();
          }
        }
      } else if (this.mustUpdate) {
        let update = this.mustUpdate;
        this.mustUpdate = null;
        if (this.value.update) {
          try {
            this.value.update(update);
          } catch (e) {
            logException(update.state, e, "CodeMirror plugin crashed");
            if (this.value.destroy)
              try {
                this.value.destroy();
              } catch (_) {
              }
            this.deactivate();
          }
        }
      }
      return this;
    }
    destroy(view) {
      var _a2;
      if ((_a2 = this.value) === null || _a2 === void 0 ? void 0 : _a2.destroy) {
        try {
          this.value.destroy();
        } catch (e) {
          logException(view.state, e, "CodeMirror plugin crashed");
        }
      }
    }
    deactivate() {
      this.spec = this.value = null;
    }
  };
  var editorAttributes = /* @__PURE__ */ Facet.define();
  var contentAttributes = /* @__PURE__ */ Facet.define();
  var decorations = /* @__PURE__ */ Facet.define();
  var outerDecorations = /* @__PURE__ */ Facet.define();
  var atomicRanges = /* @__PURE__ */ Facet.define();
  var bidiIsolatedRanges = /* @__PURE__ */ Facet.define();
  function getIsolatedRanges(view, line) {
    let isolates = view.state.facet(bidiIsolatedRanges);
    if (!isolates.length)
      return isolates;
    let sets = isolates.map((i) => i instanceof Function ? i(view) : i);
    let result = [];
    RangeSet.spans(sets, line.from, line.to, {
      point() {
      },
      span(fromDoc, toDoc, active, open) {
        let from = fromDoc - line.from, to = toDoc - line.from;
        let level = result;
        for (let i = active.length - 1; i >= 0; i--, open--) {
          let direction = active[i].spec.bidiIsolate, update;
          if (direction == null)
            direction = autoDirection(line.text, from, to);
          if (open > 0 && level.length && (update = level[level.length - 1]).to == from && update.direction == direction) {
            update.to = to;
            level = update.inner;
          } else {
            let add2 = { from, to, direction, inner: [] };
            level.push(add2);
            level = add2.inner;
          }
        }
      }
    });
    return result;
  }
  var scrollMargins = /* @__PURE__ */ Facet.define();
  function getScrollMargins(view) {
    let left = 0, right = 0, top2 = 0, bottom = 0;
    for (let source of view.state.facet(scrollMargins)) {
      let m = source(view);
      if (m) {
        if (m.left != null)
          left = Math.max(left, m.left);
        if (m.right != null)
          right = Math.max(right, m.right);
        if (m.top != null)
          top2 = Math.max(top2, m.top);
        if (m.bottom != null)
          bottom = Math.max(bottom, m.bottom);
      }
    }
    return { left, right, top: top2, bottom };
  }
  var styleModule = /* @__PURE__ */ Facet.define();
  var ChangedRange = class _ChangedRange {
    constructor(fromA, toA, fromB, toB) {
      this.fromA = fromA;
      this.toA = toA;
      this.fromB = fromB;
      this.toB = toB;
    }
    join(other) {
      return new _ChangedRange(Math.min(this.fromA, other.fromA), Math.max(this.toA, other.toA), Math.min(this.fromB, other.fromB), Math.max(this.toB, other.toB));
    }
    addToSet(set) {
      let i = set.length, me = this;
      for (; i > 0; i--) {
        let range = set[i - 1];
        if (range.fromA > me.toA)
          continue;
        if (range.toA < me.fromA)
          break;
        me = me.join(range);
        set.splice(i - 1, 1);
      }
      set.splice(i, 0, me);
      return set;
    }
    static extendWithRanges(diff, ranges) {
      if (ranges.length == 0)
        return diff;
      let result = [];
      for (let dI = 0, rI = 0, posA = 0, posB = 0; ; dI++) {
        let next = dI == diff.length ? null : diff[dI], off = posA - posB;
        let end = next ? next.fromB : 1e9;
        while (rI < ranges.length && ranges[rI] < end) {
          let from = ranges[rI], to = ranges[rI + 1];
          let fromB = Math.max(posB, from), toB = Math.min(end, to);
          if (fromB <= toB)
            new _ChangedRange(fromB + off, toB + off, fromB, toB).addToSet(result);
          if (to > end)
            break;
          else
            rI += 2;
        }
        if (!next)
          return result;
        new _ChangedRange(next.fromA, next.toA, next.fromB, next.toB).addToSet(result);
        posA = next.toA;
        posB = next.toB;
      }
    }
  };
  var ViewUpdate = class _ViewUpdate {
    constructor(view, state, transactions) {
      this.view = view;
      this.state = state;
      this.transactions = transactions;
      this.flags = 0;
      this.startState = view.state;
      this.changes = ChangeSet.empty(this.startState.doc.length);
      for (let tr of transactions)
        this.changes = this.changes.compose(tr.changes);
      let changedRanges = [];
      this.changes.iterChangedRanges((fromA, toA, fromB, toB) => changedRanges.push(new ChangedRange(fromA, toA, fromB, toB)));
      this.changedRanges = changedRanges;
    }
    /**
    @internal
    */
    static create(view, state, transactions) {
      return new _ViewUpdate(view, state, transactions);
    }
    /**
    Tells you whether the [viewport](https://codemirror.net/6/docs/ref/#view.EditorView.viewport) or
    [visible ranges](https://codemirror.net/6/docs/ref/#view.EditorView.visibleRanges) changed in this
    update.
    */
    get viewportChanged() {
      return (this.flags & 4) > 0;
    }
    /**
    Indicates whether the height of a block element in the editor
    changed in this update.
    */
    get heightChanged() {
      return (this.flags & 2) > 0;
    }
    /**
    Returns true when the document was modified or the size of the
    editor, or elements within the editor, changed.
    */
    get geometryChanged() {
      return this.docChanged || (this.flags & (8 | 2)) > 0;
    }
    /**
    True when this update indicates a focus change.
    */
    get focusChanged() {
      return (this.flags & 1) > 0;
    }
    /**
    Whether the document changed in this update.
    */
    get docChanged() {
      return !this.changes.empty;
    }
    /**
    Whether the selection was explicitly set in this update.
    */
    get selectionSet() {
      return this.transactions.some((tr) => tr.selection);
    }
    /**
    @internal
    */
    get empty() {
      return this.flags == 0 && this.transactions.length == 0;
    }
  };
  var DocView = class extends ContentView {
    get length() {
      return this.view.state.doc.length;
    }
    constructor(view) {
      super();
      this.view = view;
      this.decorations = [];
      this.dynamicDecorationMap = [];
      this.domChanged = null;
      this.hasComposition = null;
      this.markedForComposition = /* @__PURE__ */ new Set();
      this.lastCompositionAfterCursor = false;
      this.minWidth = 0;
      this.minWidthFrom = 0;
      this.minWidthTo = 0;
      this.impreciseAnchor = null;
      this.impreciseHead = null;
      this.forceSelection = false;
      this.lastUpdate = Date.now();
      this.setDOM(view.contentDOM);
      this.children = [new LineView()];
      this.children[0].setParent(this);
      this.updateDeco();
      this.updateInner([new ChangedRange(0, 0, 0, view.state.doc.length)], 0, null);
    }
    // Update the document view to a given state.
    update(update) {
      var _a2;
      let changedRanges = update.changedRanges;
      if (this.minWidth > 0 && changedRanges.length) {
        if (!changedRanges.every(({ fromA, toA }) => toA < this.minWidthFrom || fromA > this.minWidthTo)) {
          this.minWidth = this.minWidthFrom = this.minWidthTo = 0;
        } else {
          this.minWidthFrom = update.changes.mapPos(this.minWidthFrom, 1);
          this.minWidthTo = update.changes.mapPos(this.minWidthTo, 1);
        }
      }
      let readCompositionAt = -1;
      if (this.view.inputState.composing >= 0) {
        if ((_a2 = this.domChanged) === null || _a2 === void 0 ? void 0 : _a2.newSel)
          readCompositionAt = this.domChanged.newSel.head;
        else if (!touchesComposition(update.changes, this.hasComposition) && !update.selectionSet)
          readCompositionAt = update.state.selection.main.head;
      }
      let composition = readCompositionAt > -1 ? findCompositionRange(this.view, update.changes, readCompositionAt) : null;
      this.domChanged = null;
      if (this.hasComposition) {
        this.markedForComposition.clear();
        let { from, to } = this.hasComposition;
        changedRanges = new ChangedRange(from, to, update.changes.mapPos(from, -1), update.changes.mapPos(to, 1)).addToSet(changedRanges.slice());
      }
      this.hasComposition = composition ? { from: composition.range.fromB, to: composition.range.toB } : null;
      if ((browser.ie || browser.chrome) && !composition && update && update.state.doc.lines != update.startState.doc.lines)
        this.forceSelection = true;
      let prevDeco = this.decorations, deco = this.updateDeco();
      let decoDiff = findChangedDeco(prevDeco, deco, update.changes);
      changedRanges = ChangedRange.extendWithRanges(changedRanges, decoDiff);
      if (!(this.flags & 7) && changedRanges.length == 0) {
        return false;
      } else {
        this.updateInner(changedRanges, update.startState.doc.length, composition);
        if (update.transactions.length)
          this.lastUpdate = Date.now();
        return true;
      }
    }
    // Used by update and the constructor do perform the actual DOM
    // update
    updateInner(changes, oldLength, composition) {
      this.view.viewState.mustMeasureContent = true;
      this.updateChildren(changes, oldLength, composition);
      let { observer } = this.view;
      observer.ignore(() => {
        this.dom.style.height = this.view.viewState.contentHeight / this.view.scaleY + "px";
        this.dom.style.flexBasis = this.minWidth ? this.minWidth + "px" : "";
        let track = browser.chrome || browser.ios ? { node: observer.selectionRange.focusNode, written: false } : void 0;
        this.sync(this.view, track);
        this.flags &= ~7;
        if (track && (track.written || observer.selectionRange.focusNode != track.node))
          this.forceSelection = true;
        this.dom.style.height = "";
      });
      this.markedForComposition.forEach(
        (cView) => cView.flags &= ~8
        /* ViewFlag.Composition */
      );
      let gaps = [];
      if (this.view.viewport.from || this.view.viewport.to < this.view.state.doc.length) {
        for (let child of this.children)
          if (child instanceof BlockWidgetView && child.widget instanceof BlockGapWidget)
            gaps.push(child.dom);
      }
      observer.updateGaps(gaps);
    }
    updateChildren(changes, oldLength, composition) {
      let ranges = composition ? composition.range.addToSet(changes.slice()) : changes;
      let cursor = this.childCursor(oldLength);
      for (let i = ranges.length - 1; ; i--) {
        let next = i >= 0 ? ranges[i] : null;
        if (!next)
          break;
        let { fromA, toA, fromB, toB } = next, content2, breakAtStart, openStart, openEnd;
        if (composition && composition.range.fromB < toB && composition.range.toB > fromB) {
          let before = ContentBuilder.build(this.view.state.doc, fromB, composition.range.fromB, this.decorations, this.dynamicDecorationMap);
          let after = ContentBuilder.build(this.view.state.doc, composition.range.toB, toB, this.decorations, this.dynamicDecorationMap);
          breakAtStart = before.breakAtStart;
          openStart = before.openStart;
          openEnd = after.openEnd;
          let compLine = this.compositionView(composition);
          if (after.breakAtStart) {
            compLine.breakAfter = 1;
          } else if (after.content.length && compLine.merge(compLine.length, compLine.length, after.content[0], false, after.openStart, 0)) {
            compLine.breakAfter = after.content[0].breakAfter;
            after.content.shift();
          }
          if (before.content.length && compLine.merge(0, 0, before.content[before.content.length - 1], true, 0, before.openEnd)) {
            before.content.pop();
          }
          content2 = before.content.concat(compLine).concat(after.content);
        } else {
          ({ content: content2, breakAtStart, openStart, openEnd } = ContentBuilder.build(this.view.state.doc, fromB, toB, this.decorations, this.dynamicDecorationMap));
        }
        let { i: toI, off: toOff } = cursor.findPos(toA, 1);
        let { i: fromI, off: fromOff } = cursor.findPos(fromA, -1);
        replaceRange(this, fromI, fromOff, toI, toOff, content2, breakAtStart, openStart, openEnd);
      }
      if (composition)
        this.fixCompositionDOM(composition);
    }
    compositionView(composition) {
      let cur2 = new TextView(composition.text.nodeValue);
      cur2.flags |= 8;
      for (let { deco } of composition.marks)
        cur2 = new MarkView(deco, [cur2], cur2.length);
      let line = new LineView();
      line.append(cur2, 0);
      return line;
    }
    fixCompositionDOM(composition) {
      let fix = (dom, cView2) => {
        cView2.flags |= 8 | (cView2.children.some(
          (c) => c.flags & 7
          /* ViewFlag.Dirty */
        ) ? 1 : 0);
        this.markedForComposition.add(cView2);
        let prev = ContentView.get(dom);
        if (prev && prev != cView2)
          prev.dom = null;
        cView2.setDOM(dom);
      };
      let pos = this.childPos(composition.range.fromB, 1);
      let cView = this.children[pos.i];
      fix(composition.line, cView);
      for (let i = composition.marks.length - 1; i >= -1; i--) {
        pos = cView.childPos(pos.off, 1);
        cView = cView.children[pos.i];
        fix(i >= 0 ? composition.marks[i].node : composition.text, cView);
      }
    }
    // Sync the DOM selection to this.state.selection
    updateSelection(mustRead = false, fromPointer = false) {
      if (mustRead || !this.view.observer.selectionRange.focusNode)
        this.view.observer.readSelectionRange();
      let activeElt = this.view.root.activeElement, focused = activeElt == this.dom;
      let selectionNotFocus = !focused && hasSelection(this.dom, this.view.observer.selectionRange) && !(activeElt && this.dom.contains(activeElt));
      if (!(focused || fromPointer || selectionNotFocus))
        return;
      let force = this.forceSelection;
      this.forceSelection = false;
      let main = this.view.state.selection.main;
      let anchor = this.moveToLine(this.domAtPos(main.anchor));
      let head = main.empty ? anchor : this.moveToLine(this.domAtPos(main.head));
      if (browser.gecko && main.empty && !this.hasComposition && betweenUneditable(anchor)) {
        let dummy = document.createTextNode("");
        this.view.observer.ignore(() => anchor.node.insertBefore(dummy, anchor.node.childNodes[anchor.offset] || null));
        anchor = head = new DOMPos(dummy, 0);
        force = true;
      }
      let domSel = this.view.observer.selectionRange;
      if (force || !domSel.focusNode || (!isEquivalentPosition(anchor.node, anchor.offset, domSel.anchorNode, domSel.anchorOffset) || !isEquivalentPosition(head.node, head.offset, domSel.focusNode, domSel.focusOffset)) && !this.suppressWidgetCursorChange(domSel, main)) {
        this.view.observer.ignore(() => {
          if (browser.android && browser.chrome && this.dom.contains(domSel.focusNode) && inUneditable(domSel.focusNode, this.dom)) {
            this.dom.blur();
            this.dom.focus({ preventScroll: true });
          }
          let rawSel = getSelection(this.view.root);
          if (!rawSel) ;
          else if (main.empty) {
            if (browser.gecko) {
              let nextTo = nextToUneditable(anchor.node, anchor.offset);
              if (nextTo && nextTo != (1 | 2)) {
                let text = (nextTo == 1 ? textNodeBefore : textNodeAfter)(anchor.node, anchor.offset);
                if (text)
                  anchor = new DOMPos(text.node, text.offset);
              }
            }
            rawSel.collapse(anchor.node, anchor.offset);
            if (main.bidiLevel != null && rawSel.caretBidiLevel !== void 0)
              rawSel.caretBidiLevel = main.bidiLevel;
          } else if (rawSel.extend) {
            rawSel.collapse(anchor.node, anchor.offset);
            try {
              rawSel.extend(head.node, head.offset);
            } catch (_) {
            }
          } else {
            let range = document.createRange();
            if (main.anchor > main.head)
              [anchor, head] = [head, anchor];
            range.setEnd(head.node, head.offset);
            range.setStart(anchor.node, anchor.offset);
            rawSel.removeAllRanges();
            rawSel.addRange(range);
          }
          if (selectionNotFocus && this.view.root.activeElement == this.dom) {
            this.dom.blur();
            if (activeElt)
              activeElt.focus();
          }
        });
        this.view.observer.setSelectionRange(anchor, head);
      }
      this.impreciseAnchor = anchor.precise ? null : new DOMPos(domSel.anchorNode, domSel.anchorOffset);
      this.impreciseHead = head.precise ? null : new DOMPos(domSel.focusNode, domSel.focusOffset);
    }
    // If a zero-length widget is inserted next to the cursor during
    // composition, avoid moving it across it and disrupting the
    // composition.
    suppressWidgetCursorChange(sel, cursor) {
      return this.hasComposition && cursor.empty && isEquivalentPosition(sel.focusNode, sel.focusOffset, sel.anchorNode, sel.anchorOffset) && this.posFromDOM(sel.focusNode, sel.focusOffset) == cursor.head;
    }
    enforceCursorAssoc() {
      if (this.hasComposition)
        return;
      let { view } = this, cursor = view.state.selection.main;
      let sel = getSelection(view.root);
      let { anchorNode, anchorOffset } = view.observer.selectionRange;
      if (!sel || !cursor.empty || !cursor.assoc || !sel.modify)
        return;
      let line = LineView.find(this, cursor.head);
      if (!line)
        return;
      let lineStart = line.posAtStart;
      if (cursor.head == lineStart || cursor.head == lineStart + line.length)
        return;
      let before = this.coordsAt(cursor.head, -1), after = this.coordsAt(cursor.head, 1);
      if (!before || !after || before.bottom > after.top)
        return;
      let dom = this.domAtPos(cursor.head + cursor.assoc);
      sel.collapse(dom.node, dom.offset);
      sel.modify("move", cursor.assoc < 0 ? "forward" : "backward", "lineboundary");
      view.observer.readSelectionRange();
      let newRange = view.observer.selectionRange;
      if (view.docView.posFromDOM(newRange.anchorNode, newRange.anchorOffset) != cursor.from)
        sel.collapse(anchorNode, anchorOffset);
    }
    // If a position is in/near a block widget, move it to a nearby text
    // line, since we don't want the cursor inside a block widget.
    moveToLine(pos) {
      let dom = this.dom, newPos;
      if (pos.node != dom)
        return pos;
      for (let i = pos.offset; !newPos && i < dom.childNodes.length; i++) {
        let view = ContentView.get(dom.childNodes[i]);
        if (view instanceof LineView)
          newPos = view.domAtPos(0);
      }
      for (let i = pos.offset - 1; !newPos && i >= 0; i--) {
        let view = ContentView.get(dom.childNodes[i]);
        if (view instanceof LineView)
          newPos = view.domAtPos(view.length);
      }
      return newPos ? new DOMPos(newPos.node, newPos.offset, true) : pos;
    }
    nearest(dom) {
      for (let cur2 = dom; cur2; ) {
        let domView = ContentView.get(cur2);
        if (domView && domView.rootView == this)
          return domView;
        cur2 = cur2.parentNode;
      }
      return null;
    }
    posFromDOM(node, offset) {
      let view = this.nearest(node);
      if (!view)
        throw new RangeError("Trying to find position for a DOM position outside of the document");
      return view.localPosFromDOM(node, offset) + view.posAtStart;
    }
    domAtPos(pos) {
      let { i, off } = this.childCursor().findPos(pos, -1);
      for (; i < this.children.length - 1; ) {
        let child = this.children[i];
        if (off < child.length || child instanceof LineView)
          break;
        i++;
        off = 0;
      }
      return this.children[i].domAtPos(off);
    }
    coordsAt(pos, side) {
      let best = null, bestPos = 0;
      for (let off = this.length, i = this.children.length - 1; i >= 0; i--) {
        let child = this.children[i], end = off - child.breakAfter, start = end - child.length;
        if (end < pos)
          break;
        if (start <= pos && (start < pos || child.covers(-1)) && (end > pos || child.covers(1)) && (!best || child instanceof LineView && !(best instanceof LineView && side >= 0))) {
          best = child;
          bestPos = start;
        }
        off = start;
      }
      return best ? best.coordsAt(pos - bestPos, side) : null;
    }
    coordsForChar(pos) {
      let { i, off } = this.childPos(pos, 1), child = this.children[i];
      if (!(child instanceof LineView))
        return null;
      while (child.children.length) {
        let { i: i2, off: childOff } = child.childPos(off, 1);
        for (; ; i2++) {
          if (i2 == child.children.length)
            return null;
          if ((child = child.children[i2]).length)
            break;
        }
        off = childOff;
      }
      if (!(child instanceof TextView))
        return null;
      let end = findClusterBreak(child.text, off);
      if (end == off)
        return null;
      let rects = textRange(child.dom, off, end).getClientRects();
      for (let i2 = 0; i2 < rects.length; i2++) {
        let rect = rects[i2];
        if (i2 == rects.length - 1 || rect.top < rect.bottom && rect.left < rect.right)
          return rect;
      }
      return null;
    }
    measureVisibleLineHeights(viewport) {
      let result = [], { from, to } = viewport;
      let contentWidth = this.view.contentDOM.clientWidth;
      let isWider = contentWidth > Math.max(this.view.scrollDOM.clientWidth, this.minWidth) + 1;
      let widest = -1, ltr = this.view.textDirection == Direction.LTR;
      for (let pos = 0, i = 0; i < this.children.length; i++) {
        let child = this.children[i], end = pos + child.length;
        if (end > to)
          break;
        if (pos >= from) {
          let childRect = child.dom.getBoundingClientRect();
          result.push(childRect.height);
          if (isWider) {
            let last = child.dom.lastChild;
            let rects = last ? clientRectsFor(last) : [];
            if (rects.length) {
              let rect = rects[rects.length - 1];
              let width = ltr ? rect.right - childRect.left : childRect.right - rect.left;
              if (width > widest) {
                widest = width;
                this.minWidth = contentWidth;
                this.minWidthFrom = pos;
                this.minWidthTo = end;
              }
            }
          }
        }
        pos = end + child.breakAfter;
      }
      return result;
    }
    textDirectionAt(pos) {
      let { i } = this.childPos(pos, 1);
      return getComputedStyle(this.children[i].dom).direction == "rtl" ? Direction.RTL : Direction.LTR;
    }
    measureTextSize() {
      for (let child of this.children) {
        if (child instanceof LineView) {
          let measure = child.measureTextSize();
          if (measure)
            return measure;
        }
      }
      let dummy = document.createElement("div"), lineHeight, charWidth, textHeight;
      dummy.className = "cm-line";
      dummy.style.width = "99999px";
      dummy.style.position = "absolute";
      dummy.textContent = "abc def ghi jkl mno pqr stu";
      this.view.observer.ignore(() => {
        this.dom.appendChild(dummy);
        let rect = clientRectsFor(dummy.firstChild)[0];
        lineHeight = dummy.getBoundingClientRect().height;
        charWidth = rect ? rect.width / 27 : 7;
        textHeight = rect ? rect.height : lineHeight;
        dummy.remove();
      });
      return { lineHeight, charWidth, textHeight };
    }
    childCursor(pos = this.length) {
      let i = this.children.length;
      if (i)
        pos -= this.children[--i].length;
      return new ChildCursor(this.children, pos, i);
    }
    computeBlockGapDeco() {
      let deco = [], vs = this.view.viewState;
      for (let pos = 0, i = 0; ; i++) {
        let next = i == vs.viewports.length ? null : vs.viewports[i];
        let end = next ? next.from - 1 : this.length;
        if (end > pos) {
          let height = (vs.lineBlockAt(end).bottom - vs.lineBlockAt(pos).top) / this.view.scaleY;
          deco.push(Decoration.replace({
            widget: new BlockGapWidget(height),
            block: true,
            inclusive: true,
            isBlockGap: true
          }).range(pos, end));
        }
        if (!next)
          break;
        pos = next.to + 1;
      }
      return Decoration.set(deco);
    }
    updateDeco() {
      let i = 0;
      let allDeco = this.view.state.facet(decorations).map((d) => {
        let dynamic = this.dynamicDecorationMap[i++] = typeof d == "function";
        return dynamic ? d(this.view) : d;
      });
      let dynamicOuter = false, outerDeco = this.view.state.facet(outerDecorations).map((d, i2) => {
        let dynamic = typeof d == "function";
        if (dynamic)
          dynamicOuter = true;
        return dynamic ? d(this.view) : d;
      });
      if (outerDeco.length) {
        this.dynamicDecorationMap[i++] = dynamicOuter;
        allDeco.push(RangeSet.join(outerDeco));
      }
      this.decorations = [
        ...allDeco,
        this.computeBlockGapDeco(),
        this.view.viewState.lineGapDeco
      ];
      while (i < this.decorations.length)
        this.dynamicDecorationMap[i++] = false;
      return this.decorations;
    }
    scrollIntoView(target) {
      if (target.isSnapshot) {
        let ref = this.view.viewState.lineBlockAt(target.range.head);
        this.view.scrollDOM.scrollTop = ref.top - target.yMargin;
        this.view.scrollDOM.scrollLeft = target.xMargin;
        return;
      }
      for (let handler of this.view.state.facet(scrollHandler)) {
        try {
          if (handler(this.view, target.range, target))
            return true;
        } catch (e) {
          logException(this.view.state, e, "scroll handler");
        }
      }
      let { range } = target;
      let rect = this.coordsAt(range.head, range.empty ? range.assoc : range.head > range.anchor ? -1 : 1), other;
      if (!rect)
        return;
      if (!range.empty && (other = this.coordsAt(range.anchor, range.anchor > range.head ? -1 : 1)))
        rect = {
          left: Math.min(rect.left, other.left),
          top: Math.min(rect.top, other.top),
          right: Math.max(rect.right, other.right),
          bottom: Math.max(rect.bottom, other.bottom)
        };
      let margins = getScrollMargins(this.view);
      let targetRect = {
        left: rect.left - margins.left,
        top: rect.top - margins.top,
        right: rect.right + margins.right,
        bottom: rect.bottom + margins.bottom
      };
      let { offsetWidth, offsetHeight } = this.view.scrollDOM;
      scrollRectIntoView(this.view.scrollDOM, targetRect, range.head < range.anchor ? -1 : 1, target.x, target.y, Math.max(Math.min(target.xMargin, offsetWidth), -offsetWidth), Math.max(Math.min(target.yMargin, offsetHeight), -offsetHeight), this.view.textDirection == Direction.LTR);
    }
  };
  function betweenUneditable(pos) {
    return pos.node.nodeType == 1 && pos.node.firstChild && (pos.offset == 0 || pos.node.childNodes[pos.offset - 1].contentEditable == "false") && (pos.offset == pos.node.childNodes.length || pos.node.childNodes[pos.offset].contentEditable == "false");
  }
  var BlockGapWidget = class extends WidgetType {
    constructor(height) {
      super();
      this.height = height;
    }
    toDOM() {
      let elt2 = document.createElement("div");
      elt2.className = "cm-gap";
      this.updateDOM(elt2);
      return elt2;
    }
    eq(other) {
      return other.height == this.height;
    }
    updateDOM(elt2) {
      elt2.style.height = this.height + "px";
      return true;
    }
    get editable() {
      return true;
    }
    get estimatedHeight() {
      return this.height;
    }
    ignoreEvent() {
      return false;
    }
  };
  function findCompositionNode(view, headPos) {
    let sel = view.observer.selectionRange;
    if (!sel.focusNode)
      return null;
    let textBefore = textNodeBefore(sel.focusNode, sel.focusOffset);
    let textAfter = textNodeAfter(sel.focusNode, sel.focusOffset);
    let textNode = textBefore || textAfter;
    if (textAfter && textBefore && textAfter.node != textBefore.node) {
      let descAfter = ContentView.get(textAfter.node);
      if (!descAfter || descAfter instanceof TextView && descAfter.text != textAfter.node.nodeValue) {
        textNode = textAfter;
      } else if (view.docView.lastCompositionAfterCursor) {
        let descBefore = ContentView.get(textBefore.node);
        if (!(!descBefore || descBefore instanceof TextView && descBefore.text != textBefore.node.nodeValue))
          textNode = textAfter;
      }
    }
    view.docView.lastCompositionAfterCursor = textNode != textBefore;
    if (!textNode)
      return null;
    let from = headPos - textNode.offset;
    return { from, to: from + textNode.node.nodeValue.length, node: textNode.node };
  }
  function findCompositionRange(view, changes, headPos) {
    let found = findCompositionNode(view, headPos);
    if (!found)
      return null;
    let { node: textNode, from, to } = found, text = textNode.nodeValue;
    if (/[\n\r]/.test(text))
      return null;
    if (view.state.doc.sliceString(found.from, found.to) != text)
      return null;
    let inv = changes.invertedDesc;
    let range = new ChangedRange(inv.mapPos(from), inv.mapPos(to), from, to);
    let marks2 = [];
    for (let parent = textNode.parentNode; ; parent = parent.parentNode) {
      let parentView = ContentView.get(parent);
      if (parentView instanceof MarkView)
        marks2.push({ node: parent, deco: parentView.mark });
      else if (parentView instanceof LineView || parent.nodeName == "DIV" && parent.parentNode == view.contentDOM)
        return { range, text: textNode, marks: marks2, line: parent };
      else if (parent != view.contentDOM)
        marks2.push({ node: parent, deco: new MarkDecoration({
          inclusive: true,
          attributes: getAttrs(parent),
          tagName: parent.tagName.toLowerCase()
        }) });
      else
        return null;
    }
  }
  function nextToUneditable(node, offset) {
    if (node.nodeType != 1)
      return 0;
    return (offset && node.childNodes[offset - 1].contentEditable == "false" ? 1 : 0) | (offset < node.childNodes.length && node.childNodes[offset].contentEditable == "false" ? 2 : 0);
  }
  var DecorationComparator$1 = class DecorationComparator {
    constructor() {
      this.changes = [];
    }
    compareRange(from, to) {
      addRange(from, to, this.changes);
    }
    comparePoint(from, to) {
      addRange(from, to, this.changes);
    }
  };
  function findChangedDeco(a, b, diff) {
    let comp = new DecorationComparator$1();
    RangeSet.compare(a, b, diff, comp);
    return comp.changes;
  }
  function inUneditable(node, inside2) {
    for (let cur2 = node; cur2 && cur2 != inside2; cur2 = cur2.assignedSlot || cur2.parentNode) {
      if (cur2.nodeType == 1 && cur2.contentEditable == "false") {
        return true;
      }
    }
    return false;
  }
  function touchesComposition(changes, composition) {
    let touched = false;
    if (composition)
      changes.iterChangedRanges((from, to) => {
        if (from < composition.to && to > composition.from)
          touched = true;
      });
    return touched;
  }
  function groupAt(state, pos, bias = 1) {
    let categorize = state.charCategorizer(pos);
    let line = state.doc.lineAt(pos), linePos = pos - line.from;
    if (line.length == 0)
      return EditorSelection.cursor(pos);
    if (linePos == 0)
      bias = 1;
    else if (linePos == line.length)
      bias = -1;
    let from = linePos, to = linePos;
    if (bias < 0)
      from = findClusterBreak(line.text, linePos, false);
    else
      to = findClusterBreak(line.text, linePos);
    let cat = categorize(line.text.slice(from, to));
    while (from > 0) {
      let prev = findClusterBreak(line.text, from, false);
      if (categorize(line.text.slice(prev, from)) != cat)
        break;
      from = prev;
    }
    while (to < line.length) {
      let next = findClusterBreak(line.text, to);
      if (categorize(line.text.slice(to, next)) != cat)
        break;
      to = next;
    }
    return EditorSelection.range(from + line.from, to + line.from);
  }
  function getdx(x, rect) {
    return rect.left > x ? rect.left - x : Math.max(0, x - rect.right);
  }
  function getdy(y, rect) {
    return rect.top > y ? rect.top - y : Math.max(0, y - rect.bottom);
  }
  function yOverlap(a, b) {
    return a.top < b.bottom - 1 && a.bottom > b.top + 1;
  }
  function upTop(rect, top2) {
    return top2 < rect.top ? { top: top2, left: rect.left, right: rect.right, bottom: rect.bottom } : rect;
  }
  function upBot(rect, bottom) {
    return bottom > rect.bottom ? { top: rect.top, left: rect.left, right: rect.right, bottom } : rect;
  }
  function domPosAtCoords(parent, x, y) {
    let closest, closestRect, closestX, closestY, closestOverlap = false;
    let above, below, aboveRect, belowRect;
    for (let child = parent.firstChild; child; child = child.nextSibling) {
      let rects = clientRectsFor(child);
      for (let i = 0; i < rects.length; i++) {
        let rect = rects[i];
        if (closestRect && yOverlap(closestRect, rect))
          rect = upTop(upBot(rect, closestRect.bottom), closestRect.top);
        let dx = getdx(x, rect), dy = getdy(y, rect);
        if (dx == 0 && dy == 0)
          return child.nodeType == 3 ? domPosInText(child, x, y) : domPosAtCoords(child, x, y);
        if (!closest || closestY > dy || closestY == dy && closestX > dx) {
          closest = child;
          closestRect = rect;
          closestX = dx;
          closestY = dy;
          let side = dy ? y < rect.top ? -1 : 1 : dx ? x < rect.left ? -1 : 1 : 0;
          closestOverlap = !side || (side > 0 ? i < rects.length - 1 : i > 0);
        }
        if (dx == 0) {
          if (y > rect.bottom && (!aboveRect || aboveRect.bottom < rect.bottom)) {
            above = child;
            aboveRect = rect;
          } else if (y < rect.top && (!belowRect || belowRect.top > rect.top)) {
            below = child;
            belowRect = rect;
          }
        } else if (aboveRect && yOverlap(aboveRect, rect)) {
          aboveRect = upBot(aboveRect, rect.bottom);
        } else if (belowRect && yOverlap(belowRect, rect)) {
          belowRect = upTop(belowRect, rect.top);
        }
      }
    }
    if (aboveRect && aboveRect.bottom >= y) {
      closest = above;
      closestRect = aboveRect;
    } else if (belowRect && belowRect.top <= y) {
      closest = below;
      closestRect = belowRect;
    }
    if (!closest)
      return { node: parent, offset: 0 };
    let clipX = Math.max(closestRect.left, Math.min(closestRect.right, x));
    if (closest.nodeType == 3)
      return domPosInText(closest, clipX, y);
    if (closestOverlap && closest.contentEditable != "false")
      return domPosAtCoords(closest, clipX, y);
    let offset = Array.prototype.indexOf.call(parent.childNodes, closest) + (x >= (closestRect.left + closestRect.right) / 2 ? 1 : 0);
    return { node: parent, offset };
  }
  function domPosInText(node, x, y) {
    let len = node.nodeValue.length;
    let closestOffset = -1, closestDY = 1e9, generalSide = 0;
    for (let i = 0; i < len; i++) {
      let rects = textRange(node, i, i + 1).getClientRects();
      for (let j = 0; j < rects.length; j++) {
        let rect = rects[j];
        if (rect.top == rect.bottom)
          continue;
        if (!generalSide)
          generalSide = x - rect.left;
        let dy = (rect.top > y ? rect.top - y : y - rect.bottom) - 1;
        if (rect.left - 1 <= x && rect.right + 1 >= x && dy < closestDY) {
          let right = x >= (rect.left + rect.right) / 2, after = right;
          if (browser.chrome || browser.gecko) {
            let rectBefore = textRange(node, i).getBoundingClientRect();
            if (rectBefore.left == rect.right)
              after = !right;
          }
          if (dy <= 0)
            return { node, offset: i + (after ? 1 : 0) };
          closestOffset = i + (after ? 1 : 0);
          closestDY = dy;
        }
      }
    }
    return { node, offset: closestOffset > -1 ? closestOffset : generalSide > 0 ? node.nodeValue.length : 0 };
  }
  function posAtCoords(view, coords, precise, bias = -1) {
    var _a2, _b;
    let content2 = view.contentDOM.getBoundingClientRect(), docTop = content2.top + view.viewState.paddingTop;
    let block, { docHeight } = view.viewState;
    let { x, y } = coords, yOffset = y - docTop;
    if (yOffset < 0)
      return 0;
    if (yOffset > docHeight)
      return view.state.doc.length;
    for (let halfLine = view.viewState.heightOracle.textHeight / 2, bounced = false; ; ) {
      block = view.elementAtHeight(yOffset);
      if (block.type == BlockType.Text)
        break;
      for (; ; ) {
        yOffset = bias > 0 ? block.bottom + halfLine : block.top - halfLine;
        if (yOffset >= 0 && yOffset <= docHeight)
          break;
        if (bounced)
          return precise ? null : 0;
        bounced = true;
        bias = -bias;
      }
    }
    y = docTop + yOffset;
    let lineStart = block.from;
    if (lineStart < view.viewport.from)
      return view.viewport.from == 0 ? 0 : precise ? null : posAtCoordsImprecise(view, content2, block, x, y);
    if (lineStart > view.viewport.to)
      return view.viewport.to == view.state.doc.length ? view.state.doc.length : precise ? null : posAtCoordsImprecise(view, content2, block, x, y);
    let doc2 = view.dom.ownerDocument;
    let root = view.root.elementFromPoint ? view.root : doc2;
    let element = root.elementFromPoint(x, y);
    if (element && !view.contentDOM.contains(element))
      element = null;
    if (!element) {
      x = Math.max(content2.left + 1, Math.min(content2.right - 1, x));
      element = root.elementFromPoint(x, y);
      if (element && !view.contentDOM.contains(element))
        element = null;
    }
    let node, offset = -1;
    if (element && ((_a2 = view.docView.nearest(element)) === null || _a2 === void 0 ? void 0 : _a2.isEditable) != false) {
      if (doc2.caretPositionFromPoint) {
        let pos = doc2.caretPositionFromPoint(x, y);
        if (pos)
          ({ offsetNode: node, offset } = pos);
      } else if (doc2.caretRangeFromPoint) {
        let range = doc2.caretRangeFromPoint(x, y);
        if (range) {
          ({ startContainer: node, startOffset: offset } = range);
          if (!view.contentDOM.contains(node) || browser.safari && isSuspiciousSafariCaretResult(node, offset, x) || browser.chrome && isSuspiciousChromeCaretResult(node, offset, x))
            node = void 0;
        }
      }
    }
    if (!node || !view.docView.dom.contains(node)) {
      let line = LineView.find(view.docView, lineStart);
      if (!line)
        return yOffset > block.top + block.height / 2 ? block.to : block.from;
      ({ node, offset } = domPosAtCoords(line.dom, x, y));
    }
    let nearest = view.docView.nearest(node);
    if (!nearest)
      return null;
    if (nearest.isWidget && ((_b = nearest.dom) === null || _b === void 0 ? void 0 : _b.nodeType) == 1) {
      let rect = nearest.dom.getBoundingClientRect();
      return coords.y < rect.top || coords.y <= rect.bottom && coords.x <= (rect.left + rect.right) / 2 ? nearest.posAtStart : nearest.posAtEnd;
    } else {
      return nearest.localPosFromDOM(node, offset) + nearest.posAtStart;
    }
  }
  function posAtCoordsImprecise(view, contentRect, block, x, y) {
    let into = Math.round((x - contentRect.left) * view.defaultCharacterWidth);
    if (view.lineWrapping && block.height > view.defaultLineHeight * 1.5) {
      let textHeight = view.viewState.heightOracle.textHeight;
      let line = Math.floor((y - block.top - (view.defaultLineHeight - textHeight) * 0.5) / textHeight);
      into += line * view.viewState.heightOracle.lineLength;
    }
    let content2 = view.state.sliceDoc(block.from, block.to);
    return block.from + findColumn(content2, into, view.state.tabSize);
  }
  function isSuspiciousSafariCaretResult(node, offset, x) {
    let len;
    if (node.nodeType != 3 || offset != (len = node.nodeValue.length))
      return false;
    for (let next = node.nextSibling; next; next = next.nextSibling)
      if (next.nodeType != 1 || next.nodeName != "BR")
        return false;
    return textRange(node, len - 1, len).getBoundingClientRect().left > x;
  }
  function isSuspiciousChromeCaretResult(node, offset, x) {
    if (offset != 0)
      return false;
    for (let cur2 = node; ; ) {
      let parent = cur2.parentNode;
      if (!parent || parent.nodeType != 1 || parent.firstChild != cur2)
        return false;
      if (parent.classList.contains("cm-line"))
        break;
      cur2 = parent;
    }
    let rect = node.nodeType == 1 ? node.getBoundingClientRect() : textRange(node, 0, Math.max(node.nodeValue.length, 1)).getBoundingClientRect();
    return x - rect.left > 5;
  }
  function blockAt(view, pos) {
    let line = view.lineBlockAt(pos);
    if (Array.isArray(line.type))
      for (let l of line.type) {
        if (l.to > pos || l.to == pos && (l.to == line.to || l.type == BlockType.Text))
          return l;
      }
    return line;
  }
  function moveToLineBoundary(view, start, forward, includeWrap) {
    let line = blockAt(view, start.head);
    let coords = !includeWrap || line.type != BlockType.Text || !(view.lineWrapping || line.widgetLineBreaks) ? null : view.coordsAtPos(start.assoc < 0 && start.head > line.from ? start.head - 1 : start.head);
    if (coords) {
      let editorRect = view.dom.getBoundingClientRect();
      let direction = view.textDirectionAt(line.from);
      let pos = view.posAtCoords({
        x: forward == (direction == Direction.LTR) ? editorRect.right - 1 : editorRect.left + 1,
        y: (coords.top + coords.bottom) / 2
      });
      if (pos != null)
        return EditorSelection.cursor(pos, forward ? -1 : 1);
    }
    return EditorSelection.cursor(forward ? line.to : line.from, forward ? -1 : 1);
  }
  function moveByChar(view, start, forward, by) {
    let line = view.state.doc.lineAt(start.head), spans = view.bidiSpans(line);
    let direction = view.textDirectionAt(line.from);
    for (let cur2 = start, check = null; ; ) {
      let next = moveVisually(line, spans, direction, cur2, forward), char = movedOver;
      if (!next) {
        if (line.number == (forward ? view.state.doc.lines : 1))
          return cur2;
        char = "\n";
        line = view.state.doc.line(line.number + (forward ? 1 : -1));
        spans = view.bidiSpans(line);
        next = view.visualLineSide(line, !forward);
      }
      if (!check) {
        if (!by)
          return next;
        check = by(char);
      } else if (!check(char)) {
        return cur2;
      }
      cur2 = next;
    }
  }
  function byGroup(view, pos, start) {
    let categorize = view.state.charCategorizer(pos);
    let cat = categorize(start);
    return (next) => {
      let nextCat = categorize(next);
      if (cat == CharCategory.Space)
        cat = nextCat;
      return cat == nextCat;
    };
  }
  function moveVertically(view, start, forward, distance) {
    let startPos = start.head, dir = forward ? 1 : -1;
    if (startPos == (forward ? view.state.doc.length : 0))
      return EditorSelection.cursor(startPos, start.assoc);
    let goal = start.goalColumn, startY;
    let rect = view.contentDOM.getBoundingClientRect();
    let startCoords = view.coordsAtPos(startPos, start.assoc || -1), docTop = view.documentTop;
    if (startCoords) {
      if (goal == null)
        goal = startCoords.left - rect.left;
      startY = dir < 0 ? startCoords.top : startCoords.bottom;
    } else {
      let line = view.viewState.lineBlockAt(startPos);
      if (goal == null)
        goal = Math.min(rect.right - rect.left, view.defaultCharacterWidth * (startPos - line.from));
      startY = (dir < 0 ? line.top : line.bottom) + docTop;
    }
    let resolvedGoal = rect.left + goal;
    let dist2 = distance !== null && distance !== void 0 ? distance : view.viewState.heightOracle.textHeight >> 1;
    for (let extra = 0; ; extra += 10) {
      let curY = startY + (dist2 + extra) * dir;
      let pos = posAtCoords(view, { x: resolvedGoal, y: curY }, false, dir);
      if (curY < rect.top || curY > rect.bottom || (dir < 0 ? pos < startPos : pos > startPos)) {
        let charRect = view.docView.coordsForChar(pos);
        let assoc = !charRect || curY < charRect.top ? -1 : 1;
        return EditorSelection.cursor(pos, assoc, void 0, goal);
      }
    }
  }
  function skipAtomicRanges(atoms, pos, bias) {
    for (; ; ) {
      let moved = 0;
      for (let set of atoms) {
        set.between(pos - 1, pos + 1, (from, to, value) => {
          if (pos > from && pos < to) {
            let side = moved || bias || (pos - from < to - pos ? -1 : 1);
            pos = side < 0 ? from : to;
            moved = side;
          }
        });
      }
      if (!moved)
        return pos;
    }
  }
  function skipAtoms(view, oldPos, pos) {
    let newPos = skipAtomicRanges(view.state.facet(atomicRanges).map((f) => f(view)), pos.from, oldPos.head > pos.from ? -1 : 1);
    return newPos == pos.from ? pos : EditorSelection.cursor(newPos, newPos < pos.from ? 1 : -1);
  }
  var InputState = class {
    setSelectionOrigin(origin) {
      this.lastSelectionOrigin = origin;
      this.lastSelectionTime = Date.now();
    }
    constructor(view) {
      this.view = view;
      this.lastKeyCode = 0;
      this.lastKeyTime = 0;
      this.lastTouchTime = 0;
      this.lastFocusTime = 0;
      this.lastScrollTop = 0;
      this.lastScrollLeft = 0;
      this.pendingIOSKey = void 0;
      this.lastSelectionOrigin = null;
      this.lastSelectionTime = 0;
      this.lastEscPress = 0;
      this.lastContextMenu = 0;
      this.scrollHandlers = [];
      this.handlers = /* @__PURE__ */ Object.create(null);
      this.composing = -1;
      this.compositionFirstChange = null;
      this.compositionEndedAt = 0;
      this.compositionPendingKey = false;
      this.compositionPendingChange = false;
      this.mouseSelection = null;
      this.draggedContent = null;
      this.handleEvent = this.handleEvent.bind(this);
      this.notifiedFocused = view.hasFocus;
      if (browser.safari)
        view.contentDOM.addEventListener("input", () => null);
      if (browser.gecko)
        firefoxCopyCutHack(view.contentDOM.ownerDocument);
    }
    handleEvent(event) {
      if (!eventBelongsToEditor(this.view, event) || this.ignoreDuringComposition(event))
        return;
      if (event.type == "keydown" && this.keydown(event))
        return;
      this.runHandlers(event.type, event);
    }
    runHandlers(type, event) {
      let handlers2 = this.handlers[type];
      if (handlers2) {
        for (let observer of handlers2.observers)
          observer(this.view, event);
        for (let handler of handlers2.handlers) {
          if (event.defaultPrevented)
            break;
          if (handler(this.view, event)) {
            event.preventDefault();
            break;
          }
        }
      }
    }
    ensureHandlers(plugins) {
      let handlers2 = computeHandlers(plugins), prev = this.handlers, dom = this.view.contentDOM;
      for (let type in handlers2)
        if (type != "scroll") {
          let passive = !handlers2[type].handlers.length;
          let exists = prev[type];
          if (exists && passive != !exists.handlers.length) {
            dom.removeEventListener(type, this.handleEvent);
            exists = null;
          }
          if (!exists)
            dom.addEventListener(type, this.handleEvent, { passive });
        }
      for (let type in prev)
        if (type != "scroll" && !handlers2[type])
          dom.removeEventListener(type, this.handleEvent);
      this.handlers = handlers2;
    }
    keydown(event) {
      this.lastKeyCode = event.keyCode;
      this.lastKeyTime = Date.now();
      if (event.keyCode == 9 && Date.now() < this.lastEscPress + 2e3)
        return true;
      if (event.keyCode != 27 && modifierCodes.indexOf(event.keyCode) < 0)
        this.view.inputState.lastEscPress = 0;
      if (browser.android && browser.chrome && !event.synthetic && (event.keyCode == 13 || event.keyCode == 8)) {
        this.view.observer.delayAndroidKey(event.key, event.keyCode);
        return true;
      }
      let pending;
      if (browser.ios && !event.synthetic && !event.altKey && !event.metaKey && ((pending = PendingKeys.find((key) => key.keyCode == event.keyCode)) && !event.ctrlKey || EmacsyPendingKeys.indexOf(event.key) > -1 && event.ctrlKey && !event.shiftKey)) {
        this.pendingIOSKey = pending || event;
        setTimeout(() => this.flushIOSKey(), 250);
        return true;
      }
      if (event.keyCode != 229)
        this.view.observer.forceFlush();
      return false;
    }
    flushIOSKey(change) {
      let key = this.pendingIOSKey;
      if (!key)
        return false;
      if (key.key == "Enter" && change && change.from < change.to && /^\S+$/.test(change.insert.toString()))
        return false;
      this.pendingIOSKey = void 0;
      return dispatchKey(this.view.contentDOM, key.key, key.keyCode, key instanceof KeyboardEvent ? key : void 0);
    }
    ignoreDuringComposition(event) {
      if (!/^key/.test(event.type))
        return false;
      if (this.composing > 0)
        return true;
      if (browser.safari && !browser.ios && this.compositionPendingKey && Date.now() - this.compositionEndedAt < 100) {
        this.compositionPendingKey = false;
        return true;
      }
      return false;
    }
    startMouseSelection(mouseSelection) {
      if (this.mouseSelection)
        this.mouseSelection.destroy();
      this.mouseSelection = mouseSelection;
    }
    update(update) {
      if (this.mouseSelection)
        this.mouseSelection.update(update);
      if (this.draggedContent && update.docChanged)
        this.draggedContent = this.draggedContent.map(update.changes);
      if (update.transactions.length)
        this.lastKeyCode = this.lastSelectionTime = 0;
    }
    destroy() {
      if (this.mouseSelection)
        this.mouseSelection.destroy();
    }
  };
  function bindHandler(plugin, handler) {
    return (view, event) => {
      try {
        return handler.call(plugin, event, view);
      } catch (e) {
        logException(view.state, e);
      }
    };
  }
  function computeHandlers(plugins) {
    let result = /* @__PURE__ */ Object.create(null);
    function record(type) {
      return result[type] || (result[type] = { observers: [], handlers: [] });
    }
    for (let plugin of plugins) {
      let spec = plugin.spec;
      if (spec && spec.domEventHandlers)
        for (let type in spec.domEventHandlers) {
          let f = spec.domEventHandlers[type];
          if (f)
            record(type).handlers.push(bindHandler(plugin.value, f));
        }
      if (spec && spec.domEventObservers)
        for (let type in spec.domEventObservers) {
          let f = spec.domEventObservers[type];
          if (f)
            record(type).observers.push(bindHandler(plugin.value, f));
        }
    }
    for (let type in handlers)
      record(type).handlers.push(handlers[type]);
    for (let type in observers)
      record(type).observers.push(observers[type]);
    return result;
  }
  var PendingKeys = [
    { key: "Backspace", keyCode: 8, inputType: "deleteContentBackward" },
    { key: "Enter", keyCode: 13, inputType: "insertParagraph" },
    { key: "Enter", keyCode: 13, inputType: "insertLineBreak" },
    { key: "Delete", keyCode: 46, inputType: "deleteContentForward" }
  ];
  var EmacsyPendingKeys = "dthko";
  var modifierCodes = [16, 17, 18, 20, 91, 92, 224, 225];
  var dragScrollMargin = 6;
  function dragScrollSpeed(dist2) {
    return Math.max(0, dist2) * 0.7 + 8;
  }
  function dist(a, b) {
    return Math.max(Math.abs(a.clientX - b.clientX), Math.abs(a.clientY - b.clientY));
  }
  var MouseSelection = class {
    constructor(view, startEvent, style, mustSelect) {
      this.view = view;
      this.startEvent = startEvent;
      this.style = style;
      this.mustSelect = mustSelect;
      this.scrollSpeed = { x: 0, y: 0 };
      this.scrolling = -1;
      this.lastEvent = startEvent;
      this.scrollParent = scrollableParent(view.contentDOM);
      this.atoms = view.state.facet(atomicRanges).map((f) => f(view));
      let doc2 = view.contentDOM.ownerDocument;
      doc2.addEventListener("mousemove", this.move = this.move.bind(this));
      doc2.addEventListener("mouseup", this.up = this.up.bind(this));
      this.extend = startEvent.shiftKey;
      this.multiple = view.state.facet(EditorState.allowMultipleSelections) && addsSelectionRange(view, startEvent);
      this.dragging = isInPrimarySelection(view, startEvent) && getClickType(startEvent) == 1 ? null : false;
    }
    start(event) {
      if (this.dragging === false)
        this.select(event);
    }
    move(event) {
      var _a2;
      if (event.buttons == 0)
        return this.destroy();
      if (this.dragging || this.dragging == null && dist(this.startEvent, event) < 10)
        return;
      this.select(this.lastEvent = event);
      let sx = 0, sy = 0;
      let rect = ((_a2 = this.scrollParent) === null || _a2 === void 0 ? void 0 : _a2.getBoundingClientRect()) || { left: 0, top: 0, right: this.view.win.innerWidth, bottom: this.view.win.innerHeight };
      let margins = getScrollMargins(this.view);
      if (event.clientX - margins.left <= rect.left + dragScrollMargin)
        sx = -dragScrollSpeed(rect.left - event.clientX);
      else if (event.clientX + margins.right >= rect.right - dragScrollMargin)
        sx = dragScrollSpeed(event.clientX - rect.right);
      if (event.clientY - margins.top <= rect.top + dragScrollMargin)
        sy = -dragScrollSpeed(rect.top - event.clientY);
      else if (event.clientY + margins.bottom >= rect.bottom - dragScrollMargin)
        sy = dragScrollSpeed(event.clientY - rect.bottom);
      this.setScrollSpeed(sx, sy);
    }
    up(event) {
      if (this.dragging == null)
        this.select(this.lastEvent);
      if (!this.dragging)
        event.preventDefault();
      this.destroy();
    }
    destroy() {
      this.setScrollSpeed(0, 0);
      let doc2 = this.view.contentDOM.ownerDocument;
      doc2.removeEventListener("mousemove", this.move);
      doc2.removeEventListener("mouseup", this.up);
      this.view.inputState.mouseSelection = this.view.inputState.draggedContent = null;
    }
    setScrollSpeed(sx, sy) {
      this.scrollSpeed = { x: sx, y: sy };
      if (sx || sy) {
        if (this.scrolling < 0)
          this.scrolling = setInterval(() => this.scroll(), 50);
      } else if (this.scrolling > -1) {
        clearInterval(this.scrolling);
        this.scrolling = -1;
      }
    }
    scroll() {
      if (this.scrollParent) {
        this.scrollParent.scrollLeft += this.scrollSpeed.x;
        this.scrollParent.scrollTop += this.scrollSpeed.y;
      } else {
        this.view.win.scrollBy(this.scrollSpeed.x, this.scrollSpeed.y);
      }
      if (this.dragging === false)
        this.select(this.lastEvent);
    }
    skipAtoms(sel) {
      let ranges = null;
      for (let i = 0; i < sel.ranges.length; i++) {
        let range = sel.ranges[i], updated = null;
        if (range.empty) {
          let pos = skipAtomicRanges(this.atoms, range.from, 0);
          if (pos != range.from)
            updated = EditorSelection.cursor(pos, -1);
        } else {
          let from = skipAtomicRanges(this.atoms, range.from, -1);
          let to = skipAtomicRanges(this.atoms, range.to, 1);
          if (from != range.from || to != range.to)
            updated = EditorSelection.range(range.from == range.anchor ? from : to, range.from == range.head ? from : to);
        }
        if (updated) {
          if (!ranges)
            ranges = sel.ranges.slice();
          ranges[i] = updated;
        }
      }
      return ranges ? EditorSelection.create(ranges, sel.mainIndex) : sel;
    }
    select(event) {
      let { view } = this, selection = this.skipAtoms(this.style.get(event, this.extend, this.multiple));
      if (this.mustSelect || !selection.eq(view.state.selection, this.dragging === false))
        this.view.dispatch({
          selection,
          userEvent: "select.pointer"
        });
      this.mustSelect = false;
    }
    update(update) {
      if (this.style.update(update))
        setTimeout(() => this.select(this.lastEvent), 20);
    }
  };
  function addsSelectionRange(view, event) {
    let facet = view.state.facet(clickAddsSelectionRange);
    return facet.length ? facet[0](event) : browser.mac ? event.metaKey : event.ctrlKey;
  }
  function dragMovesSelection(view, event) {
    let facet = view.state.facet(dragMovesSelection$1);
    return facet.length ? facet[0](event) : browser.mac ? !event.altKey : !event.ctrlKey;
  }
  function isInPrimarySelection(view, event) {
    let { main } = view.state.selection;
    if (main.empty)
      return false;
    let sel = getSelection(view.root);
    if (!sel || sel.rangeCount == 0)
      return true;
    let rects = sel.getRangeAt(0).getClientRects();
    for (let i = 0; i < rects.length; i++) {
      let rect = rects[i];
      if (rect.left <= event.clientX && rect.right >= event.clientX && rect.top <= event.clientY && rect.bottom >= event.clientY)
        return true;
    }
    return false;
  }
  function eventBelongsToEditor(view, event) {
    if (!event.bubbles)
      return true;
    if (event.defaultPrevented)
      return false;
    for (let node = event.target, cView; node != view.contentDOM; node = node.parentNode)
      if (!node || node.nodeType == 11 || (cView = ContentView.get(node)) && cView.ignoreEvent(event))
        return false;
    return true;
  }
  var handlers = /* @__PURE__ */ Object.create(null);
  var observers = /* @__PURE__ */ Object.create(null);
  var brokenClipboardAPI = browser.ie && browser.ie_version < 15 || browser.ios && browser.webkit_version < 604;
  function capturePaste(view) {
    let parent = view.dom.parentNode;
    if (!parent)
      return;
    let target = parent.appendChild(document.createElement("textarea"));
    target.style.cssText = "position: fixed; left: -10000px; top: 10px";
    target.focus();
    setTimeout(() => {
      view.focus();
      target.remove();
      doPaste(view, target.value);
    }, 50);
  }
  function doPaste(view, input) {
    let { state } = view, changes, i = 1, text = state.toText(input);
    let byLine = text.lines == state.selection.ranges.length;
    let linewise = lastLinewiseCopy != null && state.selection.ranges.every((r) => r.empty) && lastLinewiseCopy == text.toString();
    if (linewise) {
      let lastLine = -1;
      changes = state.changeByRange((range) => {
        let line = state.doc.lineAt(range.from);
        if (line.from == lastLine)
          return { range };
        lastLine = line.from;
        let insert2 = state.toText((byLine ? text.line(i++).text : input) + state.lineBreak);
        return {
          changes: { from: line.from, insert: insert2 },
          range: EditorSelection.cursor(range.from + insert2.length)
        };
      });
    } else if (byLine) {
      changes = state.changeByRange((range) => {
        let line = text.line(i++);
        return {
          changes: { from: range.from, to: range.to, insert: line.text },
          range: EditorSelection.cursor(range.from + line.length)
        };
      });
    } else {
      changes = state.replaceSelection(text);
    }
    view.dispatch(changes, {
      userEvent: "input.paste",
      scrollIntoView: true
    });
  }
  observers.scroll = (view) => {
    view.inputState.lastScrollTop = view.scrollDOM.scrollTop;
    view.inputState.lastScrollLeft = view.scrollDOM.scrollLeft;
  };
  handlers.keydown = (view, event) => {
    view.inputState.setSelectionOrigin("select");
    if (event.keyCode == 27)
      view.inputState.lastEscPress = Date.now();
    return false;
  };
  observers.touchstart = (view, e) => {
    view.inputState.lastTouchTime = Date.now();
    view.inputState.setSelectionOrigin("select.pointer");
  };
  observers.touchmove = (view) => {
    view.inputState.setSelectionOrigin("select.pointer");
  };
  handlers.mousedown = (view, event) => {
    view.observer.flush();
    if (view.inputState.lastTouchTime > Date.now() - 2e3)
      return false;
    let style = null;
    for (let makeStyle of view.state.facet(mouseSelectionStyle)) {
      style = makeStyle(view, event);
      if (style)
        break;
    }
    if (!style && event.button == 0)
      style = basicMouseSelection(view, event);
    if (style) {
      let mustFocus = !view.hasFocus;
      view.inputState.startMouseSelection(new MouseSelection(view, event, style, mustFocus));
      if (mustFocus)
        view.observer.ignore(() => focusPreventScroll(view.contentDOM));
      let mouseSel = view.inputState.mouseSelection;
      if (mouseSel) {
        mouseSel.start(event);
        return mouseSel.dragging === false;
      }
    }
    return false;
  };
  function rangeForClick(view, pos, bias, type) {
    if (type == 1) {
      return EditorSelection.cursor(pos, bias);
    } else if (type == 2) {
      return groupAt(view.state, pos, bias);
    } else {
      let visual = LineView.find(view.docView, pos), line = view.state.doc.lineAt(visual ? visual.posAtEnd : pos);
      let from = visual ? visual.posAtStart : line.from, to = visual ? visual.posAtEnd : line.to;
      if (to < view.state.doc.length && to == line.to)
        to++;
      return EditorSelection.range(from, to);
    }
  }
  var insideY = (y, rect) => y >= rect.top && y <= rect.bottom;
  var inside = (x, y, rect) => insideY(y, rect) && x >= rect.left && x <= rect.right;
  function findPositionSide(view, pos, x, y) {
    let line = LineView.find(view.docView, pos);
    if (!line)
      return 1;
    let off = pos - line.posAtStart;
    if (off == 0)
      return 1;
    if (off == line.length)
      return -1;
    let before = line.coordsAt(off, -1);
    if (before && inside(x, y, before))
      return -1;
    let after = line.coordsAt(off, 1);
    if (after && inside(x, y, after))
      return 1;
    return before && insideY(y, before) ? -1 : 1;
  }
  function queryPos(view, event) {
    let pos = view.posAtCoords({ x: event.clientX, y: event.clientY }, false);
    return { pos, bias: findPositionSide(view, pos, event.clientX, event.clientY) };
  }
  var BadMouseDetail = browser.ie && browser.ie_version <= 11;
  var lastMouseDown = null;
  var lastMouseDownCount = 0;
  var lastMouseDownTime = 0;
  function getClickType(event) {
    if (!BadMouseDetail)
      return event.detail;
    let last = lastMouseDown, lastTime = lastMouseDownTime;
    lastMouseDown = event;
    lastMouseDownTime = Date.now();
    return lastMouseDownCount = !last || lastTime > Date.now() - 400 && Math.abs(last.clientX - event.clientX) < 2 && Math.abs(last.clientY - event.clientY) < 2 ? (lastMouseDownCount + 1) % 3 : 1;
  }
  function basicMouseSelection(view, event) {
    let start = queryPos(view, event), type = getClickType(event);
    let startSel = view.state.selection;
    return {
      update(update) {
        if (update.docChanged) {
          start.pos = update.changes.mapPos(start.pos);
          startSel = startSel.map(update.changes);
        }
      },
      get(event2, extend2, multiple) {
        let cur2 = queryPos(view, event2), removed;
        let range = rangeForClick(view, cur2.pos, cur2.bias, type);
        if (start.pos != cur2.pos && !extend2) {
          let startRange = rangeForClick(view, start.pos, start.bias, type);
          let from = Math.min(startRange.from, range.from), to = Math.max(startRange.to, range.to);
          range = from < range.from ? EditorSelection.range(from, to) : EditorSelection.range(to, from);
        }
        if (extend2)
          return startSel.replaceRange(startSel.main.extend(range.from, range.to));
        else if (multiple && type == 1 && startSel.ranges.length > 1 && (removed = removeRangeAround(startSel, cur2.pos)))
          return removed;
        else if (multiple)
          return startSel.addRange(range);
        else
          return EditorSelection.create([range]);
      }
    };
  }
  function removeRangeAround(sel, pos) {
    for (let i = 0; i < sel.ranges.length; i++) {
      let { from, to } = sel.ranges[i];
      if (from <= pos && to >= pos)
        return EditorSelection.create(sel.ranges.slice(0, i).concat(sel.ranges.slice(i + 1)), sel.mainIndex == i ? 0 : sel.mainIndex - (sel.mainIndex > i ? 1 : 0));
    }
    return null;
  }
  handlers.dragstart = (view, event) => {
    let { selection: { main: range } } = view.state;
    if (event.target.draggable) {
      let cView = view.docView.nearest(event.target);
      if (cView && cView.isWidget) {
        let from = cView.posAtStart, to = from + cView.length;
        if (from >= range.to || to <= range.from)
          range = EditorSelection.range(from, to);
      }
    }
    let { inputState } = view;
    if (inputState.mouseSelection)
      inputState.mouseSelection.dragging = true;
    inputState.draggedContent = range;
    if (event.dataTransfer) {
      event.dataTransfer.setData("Text", view.state.sliceDoc(range.from, range.to));
      event.dataTransfer.effectAllowed = "copyMove";
    }
    return false;
  };
  handlers.dragend = (view) => {
    view.inputState.draggedContent = null;
    return false;
  };
  function dropText(view, event, text, direct) {
    if (!text)
      return;
    let dropPos = view.posAtCoords({ x: event.clientX, y: event.clientY }, false);
    let { draggedContent } = view.inputState;
    let del = direct && draggedContent && dragMovesSelection(view, event) ? { from: draggedContent.from, to: draggedContent.to } : null;
    let ins = { from: dropPos, insert: text };
    let changes = view.state.changes(del ? [del, ins] : ins);
    view.focus();
    view.dispatch({
      changes,
      selection: { anchor: changes.mapPos(dropPos, -1), head: changes.mapPos(dropPos, 1) },
      userEvent: del ? "move.drop" : "input.drop"
    });
    view.inputState.draggedContent = null;
  }
  handlers.drop = (view, event) => {
    if (!event.dataTransfer)
      return false;
    if (view.state.readOnly)
      return true;
    let files = event.dataTransfer.files;
    if (files && files.length) {
      let text = Array(files.length), read = 0;
      let finishFile = () => {
        if (++read == files.length)
          dropText(view, event, text.filter((s) => s != null).join(view.state.lineBreak), false);
      };
      for (let i = 0; i < files.length; i++) {
        let reader = new FileReader();
        reader.onerror = finishFile;
        reader.onload = () => {
          if (!/[\x00-\x08\x0e-\x1f]{2}/.test(reader.result))
            text[i] = reader.result;
          finishFile();
        };
        reader.readAsText(files[i]);
      }
      return true;
    } else {
      let text = event.dataTransfer.getData("Text");
      if (text) {
        dropText(view, event, text, true);
        return true;
      }
    }
    return false;
  };
  handlers.paste = (view, event) => {
    if (view.state.readOnly)
      return true;
    view.observer.flush();
    let data2 = brokenClipboardAPI ? null : event.clipboardData;
    if (data2) {
      doPaste(view, data2.getData("text/plain") || data2.getData("text/uri-list"));
      return true;
    } else {
      capturePaste(view);
      return false;
    }
  };
  function captureCopy(view, text) {
    let parent = view.dom.parentNode;
    if (!parent)
      return;
    let target = parent.appendChild(document.createElement("textarea"));
    target.style.cssText = "position: fixed; left: -10000px; top: 10px";
    target.value = text;
    target.focus();
    target.selectionEnd = text.length;
    target.selectionStart = 0;
    setTimeout(() => {
      target.remove();
      view.focus();
    }, 50);
  }
  function copiedRange(state) {
    let content2 = [], ranges = [], linewise = false;
    for (let range of state.selection.ranges)
      if (!range.empty) {
        content2.push(state.sliceDoc(range.from, range.to));
        ranges.push(range);
      }
    if (!content2.length) {
      let upto = -1;
      for (let { from } of state.selection.ranges) {
        let line = state.doc.lineAt(from);
        if (line.number > upto) {
          content2.push(line.text);
          ranges.push({ from: line.from, to: Math.min(state.doc.length, line.to + 1) });
        }
        upto = line.number;
      }
      linewise = true;
    }
    return { text: content2.join(state.lineBreak), ranges, linewise };
  }
  var lastLinewiseCopy = null;
  handlers.copy = handlers.cut = (view, event) => {
    let { text, ranges, linewise } = copiedRange(view.state);
    if (!text && !linewise)
      return false;
    lastLinewiseCopy = linewise ? text : null;
    if (event.type == "cut" && !view.state.readOnly)
      view.dispatch({
        changes: ranges,
        scrollIntoView: true,
        userEvent: "delete.cut"
      });
    let data2 = brokenClipboardAPI ? null : event.clipboardData;
    if (data2) {
      data2.clearData();
      data2.setData("text/plain", text);
      return true;
    } else {
      captureCopy(view, text);
      return false;
    }
  };
  var isFocusChange = /* @__PURE__ */ Annotation.define();
  function focusChangeTransaction(state, focus) {
    let effects = [];
    for (let getEffect of state.facet(focusChangeEffect)) {
      let effect = getEffect(state, focus);
      if (effect)
        effects.push(effect);
    }
    return effects ? state.update({ effects, annotations: isFocusChange.of(true) }) : null;
  }
  function updateForFocusChange(view) {
    setTimeout(() => {
      let focus = view.hasFocus;
      if (focus != view.inputState.notifiedFocused) {
        let tr = focusChangeTransaction(view.state, focus);
        if (tr)
          view.dispatch(tr);
        else
          view.update([]);
      }
    }, 10);
  }
  observers.focus = (view) => {
    view.inputState.lastFocusTime = Date.now();
    if (!view.scrollDOM.scrollTop && (view.inputState.lastScrollTop || view.inputState.lastScrollLeft)) {
      view.scrollDOM.scrollTop = view.inputState.lastScrollTop;
      view.scrollDOM.scrollLeft = view.inputState.lastScrollLeft;
    }
    updateForFocusChange(view);
  };
  observers.blur = (view) => {
    view.observer.clearSelectionRange();
    updateForFocusChange(view);
  };
  observers.compositionstart = observers.compositionupdate = (view) => {
    if (view.inputState.compositionFirstChange == null)
      view.inputState.compositionFirstChange = true;
    if (view.inputState.composing < 0) {
      view.inputState.composing = 0;
    }
  };
  observers.compositionend = (view) => {
    view.inputState.composing = -1;
    view.inputState.compositionEndedAt = Date.now();
    view.inputState.compositionPendingKey = true;
    view.inputState.compositionPendingChange = view.observer.pendingRecords().length > 0;
    view.inputState.compositionFirstChange = null;
    if (browser.chrome && browser.android) {
      view.observer.flushSoon();
    } else if (view.inputState.compositionPendingChange) {
      Promise.resolve().then(() => view.observer.flush());
    } else {
      setTimeout(() => {
        if (view.inputState.composing < 0 && view.docView.hasComposition)
          view.update([]);
      }, 50);
    }
  };
  observers.contextmenu = (view) => {
    view.inputState.lastContextMenu = Date.now();
  };
  handlers.beforeinput = (view, event) => {
    var _a2;
    let pending;
    if (browser.chrome && browser.android && (pending = PendingKeys.find((key) => key.inputType == event.inputType))) {
      view.observer.delayAndroidKey(pending.key, pending.keyCode);
      if (pending.key == "Backspace" || pending.key == "Delete") {
        let startViewHeight = ((_a2 = window.visualViewport) === null || _a2 === void 0 ? void 0 : _a2.height) || 0;
        setTimeout(() => {
          var _a3;
          if ((((_a3 = window.visualViewport) === null || _a3 === void 0 ? void 0 : _a3.height) || 0) > startViewHeight + 10 && view.hasFocus) {
            view.contentDOM.blur();
            view.focus();
          }
        }, 100);
      }
    }
    if (browser.ios && event.inputType == "deleteContentForward") {
      view.observer.flushSoon();
    }
    if (browser.safari && event.inputType == "insertText" && view.inputState.composing >= 0) {
      setTimeout(() => observers.compositionend(view, event), 20);
    }
    return false;
  };
  var appliedFirefoxHack = /* @__PURE__ */ new Set();
  function firefoxCopyCutHack(doc2) {
    if (!appliedFirefoxHack.has(doc2)) {
      appliedFirefoxHack.add(doc2);
      doc2.addEventListener("copy", () => {
      });
      doc2.addEventListener("cut", () => {
      });
    }
  }
  var wrappingWhiteSpace = ["pre-wrap", "normal", "pre-line", "break-spaces"];
  var HeightOracle = class {
    constructor(lineWrapping) {
      this.lineWrapping = lineWrapping;
      this.doc = Text.empty;
      this.heightSamples = {};
      this.lineHeight = 14;
      this.charWidth = 7;
      this.textHeight = 14;
      this.lineLength = 30;
      this.heightChanged = false;
    }
    heightForGap(from, to) {
      let lines = this.doc.lineAt(to).number - this.doc.lineAt(from).number + 1;
      if (this.lineWrapping)
        lines += Math.max(0, Math.ceil((to - from - lines * this.lineLength * 0.5) / this.lineLength));
      return this.lineHeight * lines;
    }
    heightForLine(length) {
      if (!this.lineWrapping)
        return this.lineHeight;
      let lines = 1 + Math.max(0, Math.ceil((length - this.lineLength) / (this.lineLength - 5)));
      return lines * this.lineHeight;
    }
    setDoc(doc2) {
      this.doc = doc2;
      return this;
    }
    mustRefreshForWrapping(whiteSpace) {
      return wrappingWhiteSpace.indexOf(whiteSpace) > -1 != this.lineWrapping;
    }
    mustRefreshForHeights(lineHeights) {
      let newHeight = false;
      for (let i = 0; i < lineHeights.length; i++) {
        let h = lineHeights[i];
        if (h < 0) {
          i++;
        } else if (!this.heightSamples[Math.floor(h * 10)]) {
          newHeight = true;
          this.heightSamples[Math.floor(h * 10)] = true;
        }
      }
      return newHeight;
    }
    refresh(whiteSpace, lineHeight, charWidth, textHeight, lineLength, knownHeights) {
      let lineWrapping = wrappingWhiteSpace.indexOf(whiteSpace) > -1;
      let changed = Math.round(lineHeight) != Math.round(this.lineHeight) || this.lineWrapping != lineWrapping;
      this.lineWrapping = lineWrapping;
      this.lineHeight = lineHeight;
      this.charWidth = charWidth;
      this.textHeight = textHeight;
      this.lineLength = lineLength;
      if (changed) {
        this.heightSamples = {};
        for (let i = 0; i < knownHeights.length; i++) {
          let h = knownHeights[i];
          if (h < 0)
            i++;
          else
            this.heightSamples[Math.floor(h * 10)] = true;
        }
      }
      return changed;
    }
  };
  var MeasuredHeights = class {
    constructor(from, heights) {
      this.from = from;
      this.heights = heights;
      this.index = 0;
    }
    get more() {
      return this.index < this.heights.length;
    }
  };
  var BlockInfo = class _BlockInfo {
    /**
    @internal
    */
    constructor(from, length, top2, height, _content) {
      this.from = from;
      this.length = length;
      this.top = top2;
      this.height = height;
      this._content = _content;
    }
    /**
    The type of element this is. When querying lines, this may be
    an array of all the blocks that make up the line.
    */
    get type() {
      return typeof this._content == "number" ? BlockType.Text : Array.isArray(this._content) ? this._content : this._content.type;
    }
    /**
    The end of the element as a document position.
    */
    get to() {
      return this.from + this.length;
    }
    /**
    The bottom position of the element.
    */
    get bottom() {
      return this.top + this.height;
    }
    /**
    If this is a widget block, this will return the widget
    associated with it.
    */
    get widget() {
      return this._content instanceof PointDecoration ? this._content.widget : null;
    }
    /**
    If this is a textblock, this holds the number of line breaks
    that appear in widgets inside the block.
    */
    get widgetLineBreaks() {
      return typeof this._content == "number" ? this._content : 0;
    }
    /**
    @internal
    */
    join(other) {
      let content2 = (Array.isArray(this._content) ? this._content : [this]).concat(Array.isArray(other._content) ? other._content : [other]);
      return new _BlockInfo(this.from, this.length + other.length, this.top, this.height + other.height, content2);
    }
  };
  var QueryType = /* @__PURE__ */ function(QueryType3) {
    QueryType3[QueryType3["ByPos"] = 0] = "ByPos";
    QueryType3[QueryType3["ByHeight"] = 1] = "ByHeight";
    QueryType3[QueryType3["ByPosNoHeight"] = 2] = "ByPosNoHeight";
    return QueryType3;
  }(QueryType || (QueryType = {}));
  var Epsilon = 1e-3;
  var HeightMap = class _HeightMap {
    constructor(length, height, flags = 2) {
      this.length = length;
      this.height = height;
      this.flags = flags;
    }
    get outdated() {
      return (this.flags & 2) > 0;
    }
    set outdated(value) {
      this.flags = (value ? 2 : 0) | this.flags & ~2;
    }
    setHeight(oracle, height) {
      if (this.height != height) {
        if (Math.abs(this.height - height) > Epsilon)
          oracle.heightChanged = true;
        this.height = height;
      }
    }
    // Base case is to replace a leaf node, which simply builds a tree
    // from the new nodes and returns that (HeightMapBranch and
    // HeightMapGap override this to actually use from/to)
    replace(_from, _to, nodes) {
      return _HeightMap.of(nodes);
    }
    // Again, these are base cases, and are overridden for branch and gap nodes.
    decomposeLeft(_to, result) {
      result.push(this);
    }
    decomposeRight(_from, result) {
      result.push(this);
    }
    applyChanges(decorations2, oldDoc, oracle, changes) {
      let me = this, doc2 = oracle.doc;
      for (let i = changes.length - 1; i >= 0; i--) {
        let { fromA, toA, fromB, toB } = changes[i];
        let start = me.lineAt(fromA, QueryType.ByPosNoHeight, oracle.setDoc(oldDoc), 0, 0);
        let end = start.to >= toA ? start : me.lineAt(toA, QueryType.ByPosNoHeight, oracle, 0, 0);
        toB += end.to - toA;
        toA = end.to;
        while (i > 0 && start.from <= changes[i - 1].toA) {
          fromA = changes[i - 1].fromA;
          fromB = changes[i - 1].fromB;
          i--;
          if (fromA < start.from)
            start = me.lineAt(fromA, QueryType.ByPosNoHeight, oracle, 0, 0);
        }
        fromB += start.from - fromA;
        fromA = start.from;
        let nodes = NodeBuilder.build(oracle.setDoc(doc2), decorations2, fromB, toB);
        me = me.replace(fromA, toA, nodes);
      }
      return me.updateHeight(oracle, 0);
    }
    static empty() {
      return new HeightMapText(0, 0);
    }
    // nodes uses null values to indicate the position of line breaks.
    // There are never line breaks at the start or end of the array, or
    // two line breaks next to each other, and the array isn't allowed
    // to be empty (same restrictions as return value from the builder).
    static of(nodes) {
      if (nodes.length == 1)
        return nodes[0];
      let i = 0, j = nodes.length, before = 0, after = 0;
      for (; ; ) {
        if (i == j) {
          if (before > after * 2) {
            let split = nodes[i - 1];
            if (split.break)
              nodes.splice(--i, 1, split.left, null, split.right);
            else
              nodes.splice(--i, 1, split.left, split.right);
            j += 1 + split.break;
            before -= split.size;
          } else if (after > before * 2) {
            let split = nodes[j];
            if (split.break)
              nodes.splice(j, 1, split.left, null, split.right);
            else
              nodes.splice(j, 1, split.left, split.right);
            j += 2 + split.break;
            after -= split.size;
          } else {
            break;
          }
        } else if (before < after) {
          let next = nodes[i++];
          if (next)
            before += next.size;
        } else {
          let next = nodes[--j];
          if (next)
            after += next.size;
        }
      }
      let brk = 0;
      if (nodes[i - 1] == null) {
        brk = 1;
        i--;
      } else if (nodes[i] == null) {
        brk = 1;
        j++;
      }
      return new HeightMapBranch(_HeightMap.of(nodes.slice(0, i)), brk, _HeightMap.of(nodes.slice(j)));
    }
  };
  HeightMap.prototype.size = 1;
  var HeightMapBlock = class extends HeightMap {
    constructor(length, height, deco) {
      super(length, height);
      this.deco = deco;
    }
    blockAt(_height, _oracle, top2, offset) {
      return new BlockInfo(offset, this.length, top2, this.height, this.deco || 0);
    }
    lineAt(_value, _type, oracle, top2, offset) {
      return this.blockAt(0, oracle, top2, offset);
    }
    forEachLine(from, to, oracle, top2, offset, f) {
      if (from <= offset + this.length && to >= offset)
        f(this.blockAt(0, oracle, top2, offset));
    }
    updateHeight(oracle, offset = 0, _force = false, measured) {
      if (measured && measured.from <= offset && measured.more)
        this.setHeight(oracle, measured.heights[measured.index++]);
      this.outdated = false;
      return this;
    }
    toString() {
      return `block(${this.length})`;
    }
  };
  var HeightMapText = class _HeightMapText extends HeightMapBlock {
    constructor(length, height) {
      super(length, height, null);
      this.collapsed = 0;
      this.widgetHeight = 0;
      this.breaks = 0;
    }
    blockAt(_height, _oracle, top2, offset) {
      return new BlockInfo(offset, this.length, top2, this.height, this.breaks);
    }
    replace(_from, _to, nodes) {
      let node = nodes[0];
      if (nodes.length == 1 && (node instanceof _HeightMapText || node instanceof HeightMapGap && node.flags & 4) && Math.abs(this.length - node.length) < 10) {
        if (node instanceof HeightMapGap)
          node = new _HeightMapText(node.length, this.height);
        else
          node.height = this.height;
        if (!this.outdated)
          node.outdated = false;
        return node;
      } else {
        return HeightMap.of(nodes);
      }
    }
    updateHeight(oracle, offset = 0, force = false, measured) {
      if (measured && measured.from <= offset && measured.more)
        this.setHeight(oracle, measured.heights[measured.index++]);
      else if (force || this.outdated)
        this.setHeight(oracle, Math.max(this.widgetHeight, oracle.heightForLine(this.length - this.collapsed)) + this.breaks * oracle.lineHeight);
      this.outdated = false;
      return this;
    }
    toString() {
      return `line(${this.length}${this.collapsed ? -this.collapsed : ""}${this.widgetHeight ? ":" + this.widgetHeight : ""})`;
    }
  };
  var HeightMapGap = class _HeightMapGap extends HeightMap {
    constructor(length) {
      super(length, 0);
    }
    heightMetrics(oracle, offset) {
      let firstLine = oracle.doc.lineAt(offset).number, lastLine = oracle.doc.lineAt(offset + this.length).number;
      let lines = lastLine - firstLine + 1;
      let perLine, perChar = 0;
      if (oracle.lineWrapping) {
        let totalPerLine = Math.min(this.height, oracle.lineHeight * lines);
        perLine = totalPerLine / lines;
        if (this.length > lines + 1)
          perChar = (this.height - totalPerLine) / (this.length - lines - 1);
      } else {
        perLine = this.height / lines;
      }
      return { firstLine, lastLine, perLine, perChar };
    }
    blockAt(height, oracle, top2, offset) {
      let { firstLine, lastLine, perLine, perChar } = this.heightMetrics(oracle, offset);
      if (oracle.lineWrapping) {
        let guess = offset + (height < oracle.lineHeight ? 0 : Math.round(Math.max(0, Math.min(1, (height - top2) / this.height)) * this.length));
        let line = oracle.doc.lineAt(guess), lineHeight = perLine + line.length * perChar;
        let lineTop = Math.max(top2, height - lineHeight / 2);
        return new BlockInfo(line.from, line.length, lineTop, lineHeight, 0);
      } else {
        let line = Math.max(0, Math.min(lastLine - firstLine, Math.floor((height - top2) / perLine)));
        let { from, length } = oracle.doc.line(firstLine + line);
        return new BlockInfo(from, length, top2 + perLine * line, perLine, 0);
      }
    }
    lineAt(value, type, oracle, top2, offset) {
      if (type == QueryType.ByHeight)
        return this.blockAt(value, oracle, top2, offset);
      if (type == QueryType.ByPosNoHeight) {
        let { from, to } = oracle.doc.lineAt(value);
        return new BlockInfo(from, to - from, 0, 0, 0);
      }
      let { firstLine, perLine, perChar } = this.heightMetrics(oracle, offset);
      let line = oracle.doc.lineAt(value), lineHeight = perLine + line.length * perChar;
      let linesAbove = line.number - firstLine;
      let lineTop = top2 + perLine * linesAbove + perChar * (line.from - offset - linesAbove);
      return new BlockInfo(line.from, line.length, Math.max(top2, Math.min(lineTop, top2 + this.height - lineHeight)), lineHeight, 0);
    }
    forEachLine(from, to, oracle, top2, offset, f) {
      from = Math.max(from, offset);
      to = Math.min(to, offset + this.length);
      let { firstLine, perLine, perChar } = this.heightMetrics(oracle, offset);
      for (let pos = from, lineTop = top2; pos <= to; ) {
        let line = oracle.doc.lineAt(pos);
        if (pos == from) {
          let linesAbove = line.number - firstLine;
          lineTop += perLine * linesAbove + perChar * (from - offset - linesAbove);
        }
        let lineHeight = perLine + perChar * line.length;
        f(new BlockInfo(line.from, line.length, lineTop, lineHeight, 0));
        lineTop += lineHeight;
        pos = line.to + 1;
      }
    }
    replace(from, to, nodes) {
      let after = this.length - to;
      if (after > 0) {
        let last = nodes[nodes.length - 1];
        if (last instanceof _HeightMapGap)
          nodes[nodes.length - 1] = new _HeightMapGap(last.length + after);
        else
          nodes.push(null, new _HeightMapGap(after - 1));
      }
      if (from > 0) {
        let first = nodes[0];
        if (first instanceof _HeightMapGap)
          nodes[0] = new _HeightMapGap(from + first.length);
        else
          nodes.unshift(new _HeightMapGap(from - 1), null);
      }
      return HeightMap.of(nodes);
    }
    decomposeLeft(to, result) {
      result.push(new _HeightMapGap(to - 1), null);
    }
    decomposeRight(from, result) {
      result.push(null, new _HeightMapGap(this.length - from - 1));
    }
    updateHeight(oracle, offset = 0, force = false, measured) {
      let end = offset + this.length;
      if (measured && measured.from <= offset + this.length && measured.more) {
        let nodes = [], pos = Math.max(offset, measured.from), singleHeight = -1;
        if (measured.from > offset)
          nodes.push(new _HeightMapGap(measured.from - offset - 1).updateHeight(oracle, offset));
        while (pos <= end && measured.more) {
          let len = oracle.doc.lineAt(pos).length;
          if (nodes.length)
            nodes.push(null);
          let height = measured.heights[measured.index++];
          if (singleHeight == -1)
            singleHeight = height;
          else if (Math.abs(height - singleHeight) >= Epsilon)
            singleHeight = -2;
          let line = new HeightMapText(len, height);
          line.outdated = false;
          nodes.push(line);
          pos += len + 1;
        }
        if (pos <= end)
          nodes.push(null, new _HeightMapGap(end - pos).updateHeight(oracle, pos));
        let result = HeightMap.of(nodes);
        if (singleHeight < 0 || Math.abs(result.height - this.height) >= Epsilon || Math.abs(singleHeight - this.heightMetrics(oracle, offset).perLine) >= Epsilon)
          oracle.heightChanged = true;
        return result;
      } else if (force || this.outdated) {
        this.setHeight(oracle, oracle.heightForGap(offset, offset + this.length));
        this.outdated = false;
      }
      return this;
    }
    toString() {
      return `gap(${this.length})`;
    }
  };
  var HeightMapBranch = class extends HeightMap {
    constructor(left, brk, right) {
      super(left.length + brk + right.length, left.height + right.height, brk | (left.outdated || right.outdated ? 2 : 0));
      this.left = left;
      this.right = right;
      this.size = left.size + right.size;
    }
    get break() {
      return this.flags & 1;
    }
    blockAt(height, oracle, top2, offset) {
      let mid = top2 + this.left.height;
      return height < mid ? this.left.blockAt(height, oracle, top2, offset) : this.right.blockAt(height, oracle, mid, offset + this.left.length + this.break);
    }
    lineAt(value, type, oracle, top2, offset) {
      let rightTop = top2 + this.left.height, rightOffset = offset + this.left.length + this.break;
      let left = type == QueryType.ByHeight ? value < rightTop : value < rightOffset;
      let base2 = left ? this.left.lineAt(value, type, oracle, top2, offset) : this.right.lineAt(value, type, oracle, rightTop, rightOffset);
      if (this.break || (left ? base2.to < rightOffset : base2.from > rightOffset))
        return base2;
      let subQuery = type == QueryType.ByPosNoHeight ? QueryType.ByPosNoHeight : QueryType.ByPos;
      if (left)
        return base2.join(this.right.lineAt(rightOffset, subQuery, oracle, rightTop, rightOffset));
      else
        return this.left.lineAt(rightOffset, subQuery, oracle, top2, offset).join(base2);
    }
    forEachLine(from, to, oracle, top2, offset, f) {
      let rightTop = top2 + this.left.height, rightOffset = offset + this.left.length + this.break;
      if (this.break) {
        if (from < rightOffset)
          this.left.forEachLine(from, to, oracle, top2, offset, f);
        if (to >= rightOffset)
          this.right.forEachLine(from, to, oracle, rightTop, rightOffset, f);
      } else {
        let mid = this.lineAt(rightOffset, QueryType.ByPos, oracle, top2, offset);
        if (from < mid.from)
          this.left.forEachLine(from, mid.from - 1, oracle, top2, offset, f);
        if (mid.to >= from && mid.from <= to)
          f(mid);
        if (to > mid.to)
          this.right.forEachLine(mid.to + 1, to, oracle, rightTop, rightOffset, f);
      }
    }
    replace(from, to, nodes) {
      let rightStart = this.left.length + this.break;
      if (to < rightStart)
        return this.balanced(this.left.replace(from, to, nodes), this.right);
      if (from > this.left.length)
        return this.balanced(this.left, this.right.replace(from - rightStart, to - rightStart, nodes));
      let result = [];
      if (from > 0)
        this.decomposeLeft(from, result);
      let left = result.length;
      for (let node of nodes)
        result.push(node);
      if (from > 0)
        mergeGaps(result, left - 1);
      if (to < this.length) {
        let right = result.length;
        this.decomposeRight(to, result);
        mergeGaps(result, right);
      }
      return HeightMap.of(result);
    }
    decomposeLeft(to, result) {
      let left = this.left.length;
      if (to <= left)
        return this.left.decomposeLeft(to, result);
      result.push(this.left);
      if (this.break) {
        left++;
        if (to >= left)
          result.push(null);
      }
      if (to > left)
        this.right.decomposeLeft(to - left, result);
    }
    decomposeRight(from, result) {
      let left = this.left.length, right = left + this.break;
      if (from >= right)
        return this.right.decomposeRight(from - right, result);
      if (from < left)
        this.left.decomposeRight(from, result);
      if (this.break && from < right)
        result.push(null);
      result.push(this.right);
    }
    balanced(left, right) {
      if (left.size > 2 * right.size || right.size > 2 * left.size)
        return HeightMap.of(this.break ? [left, null, right] : [left, right]);
      this.left = left;
      this.right = right;
      this.height = left.height + right.height;
      this.outdated = left.outdated || right.outdated;
      this.size = left.size + right.size;
      this.length = left.length + this.break + right.length;
      return this;
    }
    updateHeight(oracle, offset = 0, force = false, measured) {
      let { left, right } = this, rightStart = offset + left.length + this.break, rebalance = null;
      if (measured && measured.from <= offset + left.length && measured.more)
        rebalance = left = left.updateHeight(oracle, offset, force, measured);
      else
        left.updateHeight(oracle, offset, force);
      if (measured && measured.from <= rightStart + right.length && measured.more)
        rebalance = right = right.updateHeight(oracle, rightStart, force, measured);
      else
        right.updateHeight(oracle, rightStart, force);
      if (rebalance)
        return this.balanced(left, right);
      this.height = this.left.height + this.right.height;
      this.outdated = false;
      return this;
    }
    toString() {
      return this.left + (this.break ? " " : "-") + this.right;
    }
  };
  function mergeGaps(nodes, around) {
    let before, after;
    if (nodes[around] == null && (before = nodes[around - 1]) instanceof HeightMapGap && (after = nodes[around + 1]) instanceof HeightMapGap)
      nodes.splice(around - 1, 3, new HeightMapGap(before.length + 1 + after.length));
  }
  var relevantWidgetHeight = 5;
  var NodeBuilder = class _NodeBuilder {
    constructor(pos, oracle) {
      this.pos = pos;
      this.oracle = oracle;
      this.nodes = [];
      this.lineStart = -1;
      this.lineEnd = -1;
      this.covering = null;
      this.writtenTo = pos;
    }
    get isCovered() {
      return this.covering && this.nodes[this.nodes.length - 1] == this.covering;
    }
    span(_from, to) {
      if (this.lineStart > -1) {
        let end = Math.min(to, this.lineEnd), last = this.nodes[this.nodes.length - 1];
        if (last instanceof HeightMapText)
          last.length += end - this.pos;
        else if (end > this.pos || !this.isCovered)
          this.nodes.push(new HeightMapText(end - this.pos, -1));
        this.writtenTo = end;
        if (to > end) {
          this.nodes.push(null);
          this.writtenTo++;
          this.lineStart = -1;
        }
      }
      this.pos = to;
    }
    point(from, to, deco) {
      if (from < to || deco.heightRelevant) {
        let height = deco.widget ? deco.widget.estimatedHeight : 0;
        let breaks = deco.widget ? deco.widget.lineBreaks : 0;
        if (height < 0)
          height = this.oracle.lineHeight;
        let len = to - from;
        if (deco.block) {
          this.addBlock(new HeightMapBlock(len, height, deco));
        } else if (len || breaks || height >= relevantWidgetHeight) {
          this.addLineDeco(height, breaks, len);
        }
      } else if (to > from) {
        this.span(from, to);
      }
      if (this.lineEnd > -1 && this.lineEnd < this.pos)
        this.lineEnd = this.oracle.doc.lineAt(this.pos).to;
    }
    enterLine() {
      if (this.lineStart > -1)
        return;
      let { from, to } = this.oracle.doc.lineAt(this.pos);
      this.lineStart = from;
      this.lineEnd = to;
      if (this.writtenTo < from) {
        if (this.writtenTo < from - 1 || this.nodes[this.nodes.length - 1] == null)
          this.nodes.push(this.blankContent(this.writtenTo, from - 1));
        this.nodes.push(null);
      }
      if (this.pos > from)
        this.nodes.push(new HeightMapText(this.pos - from, -1));
      this.writtenTo = this.pos;
    }
    blankContent(from, to) {
      let gap = new HeightMapGap(to - from);
      if (this.oracle.doc.lineAt(from).to == to)
        gap.flags |= 4;
      return gap;
    }
    ensureLine() {
      this.enterLine();
      let last = this.nodes.length ? this.nodes[this.nodes.length - 1] : null;
      if (last instanceof HeightMapText)
        return last;
      let line = new HeightMapText(0, -1);
      this.nodes.push(line);
      return line;
    }
    addBlock(block) {
      this.enterLine();
      let deco = block.deco;
      if (deco && deco.startSide > 0 && !this.isCovered)
        this.ensureLine();
      this.nodes.push(block);
      this.writtenTo = this.pos = this.pos + block.length;
      if (deco && deco.endSide > 0)
        this.covering = block;
    }
    addLineDeco(height, breaks, length) {
      let line = this.ensureLine();
      line.length += length;
      line.collapsed += length;
      line.widgetHeight = Math.max(line.widgetHeight, height);
      line.breaks += breaks;
      this.writtenTo = this.pos = this.pos + length;
    }
    finish(from) {
      let last = this.nodes.length == 0 ? null : this.nodes[this.nodes.length - 1];
      if (this.lineStart > -1 && !(last instanceof HeightMapText) && !this.isCovered)
        this.nodes.push(new HeightMapText(0, -1));
      else if (this.writtenTo < this.pos || last == null)
        this.nodes.push(this.blankContent(this.writtenTo, this.pos));
      let pos = from;
      for (let node of this.nodes) {
        if (node instanceof HeightMapText)
          node.updateHeight(this.oracle, pos);
        pos += node ? node.length : 1;
      }
      return this.nodes;
    }
    // Always called with a region that on both sides either stretches
    // to a line break or the end of the document.
    // The returned array uses null to indicate line breaks, but never
    // starts or ends in a line break, or has multiple line breaks next
    // to each other.
    static build(oracle, decorations2, from, to) {
      let builder = new _NodeBuilder(from, oracle);
      RangeSet.spans(decorations2, from, to, builder, 0);
      return builder.finish(from);
    }
  };
  function heightRelevantDecoChanges(a, b, diff) {
    let comp = new DecorationComparator2();
    RangeSet.compare(a, b, diff, comp, 0);
    return comp.changes;
  }
  var DecorationComparator2 = class {
    constructor() {
      this.changes = [];
    }
    compareRange() {
    }
    comparePoint(from, to, a, b) {
      if (from < to || a && a.heightRelevant || b && b.heightRelevant)
        addRange(from, to, this.changes, 5);
    }
  };
  function visiblePixelRange(dom, paddingTop) {
    let rect = dom.getBoundingClientRect();
    let doc2 = dom.ownerDocument, win = doc2.defaultView || window;
    let left = Math.max(0, rect.left), right = Math.min(win.innerWidth, rect.right);
    let top2 = Math.max(0, rect.top), bottom = Math.min(win.innerHeight, rect.bottom);
    for (let parent = dom.parentNode; parent && parent != doc2.body; ) {
      if (parent.nodeType == 1) {
        let elt2 = parent;
        let style = window.getComputedStyle(elt2);
        if ((elt2.scrollHeight > elt2.clientHeight || elt2.scrollWidth > elt2.clientWidth) && style.overflow != "visible") {
          let parentRect = elt2.getBoundingClientRect();
          left = Math.max(left, parentRect.left);
          right = Math.min(right, parentRect.right);
          top2 = Math.max(top2, parentRect.top);
          bottom = parent == dom.parentNode ? parentRect.bottom : Math.min(bottom, parentRect.bottom);
        }
        parent = style.position == "absolute" || style.position == "fixed" ? elt2.offsetParent : elt2.parentNode;
      } else if (parent.nodeType == 11) {
        parent = parent.host;
      } else {
        break;
      }
    }
    return {
      left: left - rect.left,
      right: Math.max(left, right) - rect.left,
      top: top2 - (rect.top + paddingTop),
      bottom: Math.max(top2, bottom) - (rect.top + paddingTop)
    };
  }
  function fullPixelRange(dom, paddingTop) {
    let rect = dom.getBoundingClientRect();
    return {
      left: 0,
      right: rect.right - rect.left,
      top: paddingTop,
      bottom: rect.bottom - (rect.top + paddingTop)
    };
  }
  var LineGap = class {
    constructor(from, to, size) {
      this.from = from;
      this.to = to;
      this.size = size;
    }
    static same(a, b) {
      if (a.length != b.length)
        return false;
      for (let i = 0; i < a.length; i++) {
        let gA = a[i], gB = b[i];
        if (gA.from != gB.from || gA.to != gB.to || gA.size != gB.size)
          return false;
      }
      return true;
    }
    draw(viewState, wrapping) {
      return Decoration.replace({
        widget: new LineGapWidget(this.size * (wrapping ? viewState.scaleY : viewState.scaleX), wrapping)
      }).range(this.from, this.to);
    }
  };
  var LineGapWidget = class extends WidgetType {
    constructor(size, vertical) {
      super();
      this.size = size;
      this.vertical = vertical;
    }
    eq(other) {
      return other.size == this.size && other.vertical == this.vertical;
    }
    toDOM() {
      let elt2 = document.createElement("div");
      if (this.vertical) {
        elt2.style.height = this.size + "px";
      } else {
        elt2.style.width = this.size + "px";
        elt2.style.height = "2px";
        elt2.style.display = "inline-block";
      }
      return elt2;
    }
    get estimatedHeight() {
      return this.vertical ? this.size : -1;
    }
  };
  var ViewState = class {
    constructor(state) {
      this.state = state;
      this.pixelViewport = { left: 0, right: window.innerWidth, top: 0, bottom: 0 };
      this.inView = true;
      this.paddingTop = 0;
      this.paddingBottom = 0;
      this.contentDOMWidth = 0;
      this.contentDOMHeight = 0;
      this.editorHeight = 0;
      this.editorWidth = 0;
      this.scrollTop = 0;
      this.scrolledToBottom = false;
      this.scaleX = 1;
      this.scaleY = 1;
      this.scrollAnchorPos = 0;
      this.scrollAnchorHeight = -1;
      this.scaler = IdScaler;
      this.scrollTarget = null;
      this.printing = false;
      this.mustMeasureContent = true;
      this.defaultTextDirection = Direction.LTR;
      this.visibleRanges = [];
      this.mustEnforceCursorAssoc = false;
      let guessWrapping = state.facet(contentAttributes).some((v) => typeof v != "function" && v.class == "cm-lineWrapping");
      this.heightOracle = new HeightOracle(guessWrapping);
      this.stateDeco = state.facet(decorations).filter((d) => typeof d != "function");
      this.heightMap = HeightMap.empty().applyChanges(this.stateDeco, Text.empty, this.heightOracle.setDoc(state.doc), [new ChangedRange(0, 0, 0, state.doc.length)]);
      this.viewport = this.getViewport(0, null);
      this.updateViewportLines();
      this.updateForViewport();
      this.lineGaps = this.ensureLineGaps([]);
      this.lineGapDeco = Decoration.set(this.lineGaps.map((gap) => gap.draw(this, false)));
      this.computeVisibleRanges();
    }
    updateForViewport() {
      let viewports = [this.viewport], { main } = this.state.selection;
      for (let i = 0; i <= 1; i++) {
        let pos = i ? main.head : main.anchor;
        if (!viewports.some(({ from, to }) => pos >= from && pos <= to)) {
          let { from, to } = this.lineBlockAt(pos);
          viewports.push(new Viewport(from, to));
        }
      }
      this.viewports = viewports.sort((a, b) => a.from - b.from);
      this.scaler = this.heightMap.height <= 7e6 ? IdScaler : new BigScaler(this.heightOracle, this.heightMap, this.viewports);
    }
    updateViewportLines() {
      this.viewportLines = [];
      this.heightMap.forEachLine(this.viewport.from, this.viewport.to, this.heightOracle.setDoc(this.state.doc), 0, 0, (block) => {
        this.viewportLines.push(this.scaler.scale == 1 ? block : scaleBlock(block, this.scaler));
      });
    }
    update(update, scrollTarget = null) {
      this.state = update.state;
      let prevDeco = this.stateDeco;
      this.stateDeco = this.state.facet(decorations).filter((d) => typeof d != "function");
      let contentChanges = update.changedRanges;
      let heightChanges = ChangedRange.extendWithRanges(contentChanges, heightRelevantDecoChanges(prevDeco, this.stateDeco, update ? update.changes : ChangeSet.empty(this.state.doc.length)));
      let prevHeight = this.heightMap.height;
      let scrollAnchor = this.scrolledToBottom ? null : this.scrollAnchorAt(this.scrollTop);
      this.heightMap = this.heightMap.applyChanges(this.stateDeco, update.startState.doc, this.heightOracle.setDoc(this.state.doc), heightChanges);
      if (this.heightMap.height != prevHeight)
        update.flags |= 2;
      if (scrollAnchor) {
        this.scrollAnchorPos = update.changes.mapPos(scrollAnchor.from, -1);
        this.scrollAnchorHeight = scrollAnchor.top;
      } else {
        this.scrollAnchorPos = -1;
        this.scrollAnchorHeight = this.heightMap.height;
      }
      let viewport = heightChanges.length ? this.mapViewport(this.viewport, update.changes) : this.viewport;
      if (scrollTarget && (scrollTarget.range.head < viewport.from || scrollTarget.range.head > viewport.to) || !this.viewportIsAppropriate(viewport))
        viewport = this.getViewport(0, scrollTarget);
      let updateLines = !update.changes.empty || update.flags & 2 || viewport.from != this.viewport.from || viewport.to != this.viewport.to;
      this.viewport = viewport;
      this.updateForViewport();
      if (updateLines)
        this.updateViewportLines();
      if (this.lineGaps.length || this.viewport.to - this.viewport.from > 2e3 << 1)
        this.updateLineGaps(this.ensureLineGaps(this.mapLineGaps(this.lineGaps, update.changes)));
      update.flags |= this.computeVisibleRanges();
      if (scrollTarget)
        this.scrollTarget = scrollTarget;
      if (!this.mustEnforceCursorAssoc && update.selectionSet && update.view.lineWrapping && update.state.selection.main.empty && update.state.selection.main.assoc && !update.state.facet(nativeSelectionHidden))
        this.mustEnforceCursorAssoc = true;
    }
    measure(view) {
      let dom = view.contentDOM, style = window.getComputedStyle(dom);
      let oracle = this.heightOracle;
      let whiteSpace = style.whiteSpace;
      this.defaultTextDirection = style.direction == "rtl" ? Direction.RTL : Direction.LTR;
      let refresh = this.heightOracle.mustRefreshForWrapping(whiteSpace);
      let domRect = dom.getBoundingClientRect();
      let measureContent = refresh || this.mustMeasureContent || this.contentDOMHeight != domRect.height;
      this.contentDOMHeight = domRect.height;
      this.mustMeasureContent = false;
      let result = 0, bias = 0;
      if (domRect.width && domRect.height) {
        let { scaleX, scaleY } = getScale(dom, domRect);
        if (scaleX > 5e-3 && Math.abs(this.scaleX - scaleX) > 5e-3 || scaleY > 5e-3 && Math.abs(this.scaleY - scaleY) > 5e-3) {
          this.scaleX = scaleX;
          this.scaleY = scaleY;
          result |= 8;
          refresh = measureContent = true;
        }
      }
      let paddingTop = (parseInt(style.paddingTop) || 0) * this.scaleY;
      let paddingBottom = (parseInt(style.paddingBottom) || 0) * this.scaleY;
      if (this.paddingTop != paddingTop || this.paddingBottom != paddingBottom) {
        this.paddingTop = paddingTop;
        this.paddingBottom = paddingBottom;
        result |= 8 | 2;
      }
      if (this.editorWidth != view.scrollDOM.clientWidth) {
        if (oracle.lineWrapping)
          measureContent = true;
        this.editorWidth = view.scrollDOM.clientWidth;
        result |= 8;
      }
      let scrollTop = view.scrollDOM.scrollTop * this.scaleY;
      if (this.scrollTop != scrollTop) {
        this.scrollAnchorHeight = -1;
        this.scrollTop = scrollTop;
      }
      this.scrolledToBottom = isScrolledToBottom(view.scrollDOM);
      let pixelViewport = (this.printing ? fullPixelRange : visiblePixelRange)(dom, this.paddingTop);
      let dTop = pixelViewport.top - this.pixelViewport.top, dBottom = pixelViewport.bottom - this.pixelViewport.bottom;
      this.pixelViewport = pixelViewport;
      let inView = this.pixelViewport.bottom > this.pixelViewport.top && this.pixelViewport.right > this.pixelViewport.left;
      if (inView != this.inView) {
        this.inView = inView;
        if (inView)
          measureContent = true;
      }
      if (!this.inView && !this.scrollTarget)
        return 0;
      let contentWidth = domRect.width;
      if (this.contentDOMWidth != contentWidth || this.editorHeight != view.scrollDOM.clientHeight) {
        this.contentDOMWidth = domRect.width;
        this.editorHeight = view.scrollDOM.clientHeight;
        result |= 8;
      }
      if (measureContent) {
        let lineHeights = view.docView.measureVisibleLineHeights(this.viewport);
        if (oracle.mustRefreshForHeights(lineHeights))
          refresh = true;
        if (refresh || oracle.lineWrapping && Math.abs(contentWidth - this.contentDOMWidth) > oracle.charWidth) {
          let { lineHeight, charWidth, textHeight } = view.docView.measureTextSize();
          refresh = lineHeight > 0 && oracle.refresh(whiteSpace, lineHeight, charWidth, textHeight, contentWidth / charWidth, lineHeights);
          if (refresh) {
            view.docView.minWidth = 0;
            result |= 8;
          }
        }
        if (dTop > 0 && dBottom > 0)
          bias = Math.max(dTop, dBottom);
        else if (dTop < 0 && dBottom < 0)
          bias = Math.min(dTop, dBottom);
        oracle.heightChanged = false;
        for (let vp of this.viewports) {
          let heights = vp.from == this.viewport.from ? lineHeights : view.docView.measureVisibleLineHeights(vp);
          this.heightMap = (refresh ? HeightMap.empty().applyChanges(this.stateDeco, Text.empty, this.heightOracle, [new ChangedRange(0, 0, 0, view.state.doc.length)]) : this.heightMap).updateHeight(oracle, 0, refresh, new MeasuredHeights(vp.from, heights));
        }
        if (oracle.heightChanged)
          result |= 2;
      }
      let viewportChange = !this.viewportIsAppropriate(this.viewport, bias) || this.scrollTarget && (this.scrollTarget.range.head < this.viewport.from || this.scrollTarget.range.head > this.viewport.to);
      if (viewportChange)
        this.viewport = this.getViewport(bias, this.scrollTarget);
      this.updateForViewport();
      if (result & 2 || viewportChange)
        this.updateViewportLines();
      if (this.lineGaps.length || this.viewport.to - this.viewport.from > 2e3 << 1)
        this.updateLineGaps(this.ensureLineGaps(refresh ? [] : this.lineGaps, view));
      result |= this.computeVisibleRanges();
      if (this.mustEnforceCursorAssoc) {
        this.mustEnforceCursorAssoc = false;
        view.docView.enforceCursorAssoc();
      }
      return result;
    }
    get visibleTop() {
      return this.scaler.fromDOM(this.pixelViewport.top);
    }
    get visibleBottom() {
      return this.scaler.fromDOM(this.pixelViewport.bottom);
    }
    getViewport(bias, scrollTarget) {
      let marginTop = 0.5 - Math.max(-0.5, Math.min(0.5, bias / 1e3 / 2));
      let map = this.heightMap, oracle = this.heightOracle;
      let { visibleTop, visibleBottom } = this;
      let viewport = new Viewport(map.lineAt(visibleTop - marginTop * 1e3, QueryType.ByHeight, oracle, 0, 0).from, map.lineAt(visibleBottom + (1 - marginTop) * 1e3, QueryType.ByHeight, oracle, 0, 0).to);
      if (scrollTarget) {
        let { head } = scrollTarget.range;
        if (head < viewport.from || head > viewport.to) {
          let viewHeight = Math.min(this.editorHeight, this.pixelViewport.bottom - this.pixelViewport.top);
          let block = map.lineAt(head, QueryType.ByPos, oracle, 0, 0), topPos;
          if (scrollTarget.y == "center")
            topPos = (block.top + block.bottom) / 2 - viewHeight / 2;
          else if (scrollTarget.y == "start" || scrollTarget.y == "nearest" && head < viewport.from)
            topPos = block.top;
          else
            topPos = block.bottom - viewHeight;
          viewport = new Viewport(map.lineAt(topPos - 1e3 / 2, QueryType.ByHeight, oracle, 0, 0).from, map.lineAt(topPos + viewHeight + 1e3 / 2, QueryType.ByHeight, oracle, 0, 0).to);
        }
      }
      return viewport;
    }
    mapViewport(viewport, changes) {
      let from = changes.mapPos(viewport.from, -1), to = changes.mapPos(viewport.to, 1);
      return new Viewport(this.heightMap.lineAt(from, QueryType.ByPos, this.heightOracle, 0, 0).from, this.heightMap.lineAt(to, QueryType.ByPos, this.heightOracle, 0, 0).to);
    }
    // Checks if a given viewport covers the visible part of the
    // document and not too much beyond that.
    viewportIsAppropriate({ from, to }, bias = 0) {
      if (!this.inView)
        return true;
      let { top: top2 } = this.heightMap.lineAt(from, QueryType.ByPos, this.heightOracle, 0, 0);
      let { bottom } = this.heightMap.lineAt(to, QueryType.ByPos, this.heightOracle, 0, 0);
      let { visibleTop, visibleBottom } = this;
      return (from == 0 || top2 <= visibleTop - Math.max(10, Math.min(
        -bias,
        250
        /* VP.MaxCoverMargin */
      ))) && (to == this.state.doc.length || bottom >= visibleBottom + Math.max(10, Math.min(
        bias,
        250
        /* VP.MaxCoverMargin */
      ))) && (top2 > visibleTop - 2 * 1e3 && bottom < visibleBottom + 2 * 1e3);
    }
    mapLineGaps(gaps, changes) {
      if (!gaps.length || changes.empty)
        return gaps;
      let mapped = [];
      for (let gap of gaps)
        if (!changes.touchesRange(gap.from, gap.to))
          mapped.push(new LineGap(changes.mapPos(gap.from), changes.mapPos(gap.to), gap.size));
      return mapped;
    }
    // Computes positions in the viewport where the start or end of a
    // line should be hidden, trying to reuse existing line gaps when
    // appropriate to avoid unneccesary redraws.
    // Uses crude character-counting for the positioning and sizing,
    // since actual DOM coordinates aren't always available and
    // predictable. Relies on generous margins (see LG.Margin) to hide
    // the artifacts this might produce from the user.
    ensureLineGaps(current, mayMeasure) {
      let wrapping = this.heightOracle.lineWrapping;
      let margin = wrapping ? 1e4 : 2e3, halfMargin = margin >> 1, doubleMargin = margin << 1;
      if (this.defaultTextDirection != Direction.LTR && !wrapping)
        return [];
      let gaps = [];
      let addGap = (from, to, line, structure) => {
        if (to - from < halfMargin)
          return;
        let sel = this.state.selection.main, avoid = [sel.from];
        if (!sel.empty)
          avoid.push(sel.to);
        for (let pos of avoid) {
          if (pos > from && pos < to) {
            addGap(from, pos - 10, line, structure);
            addGap(pos + 10, to, line, structure);
            return;
          }
        }
        let gap = find(current, (gap2) => gap2.from >= line.from && gap2.to <= line.to && Math.abs(gap2.from - from) < halfMargin && Math.abs(gap2.to - to) < halfMargin && !avoid.some((pos) => gap2.from < pos && gap2.to > pos));
        if (!gap) {
          if (to < line.to && mayMeasure && wrapping && mayMeasure.visibleRanges.some((r) => r.from <= to && r.to >= to)) {
            let lineStart = mayMeasure.moveToLineBoundary(EditorSelection.cursor(to), false, true).head;
            if (lineStart > from)
              to = lineStart;
          }
          gap = new LineGap(from, to, this.gapSize(line, from, to, structure));
        }
        gaps.push(gap);
      };
      for (let line of this.viewportLines) {
        if (line.length < doubleMargin)
          continue;
        let structure = lineStructure(line.from, line.to, this.stateDeco);
        if (structure.total < doubleMargin)
          continue;
        let target = this.scrollTarget ? this.scrollTarget.range.head : null;
        let viewFrom, viewTo;
        if (wrapping) {
          let marginHeight = margin / this.heightOracle.lineLength * this.heightOracle.lineHeight;
          let top2, bot;
          if (target != null) {
            let targetFrac = findFraction(structure, target);
            let spaceFrac = ((this.visibleBottom - this.visibleTop) / 2 + marginHeight) / line.height;
            top2 = targetFrac - spaceFrac;
            bot = targetFrac + spaceFrac;
          } else {
            top2 = (this.visibleTop - line.top - marginHeight) / line.height;
            bot = (this.visibleBottom - line.top + marginHeight) / line.height;
          }
          viewFrom = findPosition(structure, top2);
          viewTo = findPosition(structure, bot);
        } else {
          let totalWidth = structure.total * this.heightOracle.charWidth;
          let marginWidth = margin * this.heightOracle.charWidth;
          let left, right;
          if (target != null) {
            let targetFrac = findFraction(structure, target);
            let spaceFrac = ((this.pixelViewport.right - this.pixelViewport.left) / 2 + marginWidth) / totalWidth;
            left = targetFrac - spaceFrac;
            right = targetFrac + spaceFrac;
          } else {
            left = (this.pixelViewport.left - marginWidth) / totalWidth;
            right = (this.pixelViewport.right + marginWidth) / totalWidth;
          }
          viewFrom = findPosition(structure, left);
          viewTo = findPosition(structure, right);
        }
        if (viewFrom > line.from)
          addGap(line.from, viewFrom, line, structure);
        if (viewTo < line.to)
          addGap(viewTo, line.to, line, structure);
      }
      return gaps;
    }
    gapSize(line, from, to, structure) {
      let fraction = findFraction(structure, to) - findFraction(structure, from);
      if (this.heightOracle.lineWrapping) {
        return line.height * fraction;
      } else {
        return structure.total * this.heightOracle.charWidth * fraction;
      }
    }
    updateLineGaps(gaps) {
      if (!LineGap.same(gaps, this.lineGaps)) {
        this.lineGaps = gaps;
        this.lineGapDeco = Decoration.set(gaps.map((gap) => gap.draw(this, this.heightOracle.lineWrapping)));
      }
    }
    computeVisibleRanges() {
      let deco = this.stateDeco;
      if (this.lineGaps.length)
        deco = deco.concat(this.lineGapDeco);
      let ranges = [];
      RangeSet.spans(deco, this.viewport.from, this.viewport.to, {
        span(from, to) {
          ranges.push({ from, to });
        },
        point() {
        }
      }, 20);
      let changed = ranges.length != this.visibleRanges.length || this.visibleRanges.some((r, i) => r.from != ranges[i].from || r.to != ranges[i].to);
      this.visibleRanges = ranges;
      return changed ? 4 : 0;
    }
    lineBlockAt(pos) {
      return pos >= this.viewport.from && pos <= this.viewport.to && this.viewportLines.find((b) => b.from <= pos && b.to >= pos) || scaleBlock(this.heightMap.lineAt(pos, QueryType.ByPos, this.heightOracle, 0, 0), this.scaler);
    }
    lineBlockAtHeight(height) {
      return scaleBlock(this.heightMap.lineAt(this.scaler.fromDOM(height), QueryType.ByHeight, this.heightOracle, 0, 0), this.scaler);
    }
    scrollAnchorAt(scrollTop) {
      let block = this.lineBlockAtHeight(scrollTop + 8);
      return block.from >= this.viewport.from || this.viewportLines[0].top - scrollTop > 200 ? block : this.viewportLines[0];
    }
    elementAtHeight(height) {
      return scaleBlock(this.heightMap.blockAt(this.scaler.fromDOM(height), this.heightOracle, 0, 0), this.scaler);
    }
    get docHeight() {
      return this.scaler.toDOM(this.heightMap.height);
    }
    get contentHeight() {
      return this.docHeight + this.paddingTop + this.paddingBottom;
    }
  };
  var Viewport = class {
    constructor(from, to) {
      this.from = from;
      this.to = to;
    }
  };
  function lineStructure(from, to, stateDeco) {
    let ranges = [], pos = from, total = 0;
    RangeSet.spans(stateDeco, from, to, {
      span() {
      },
      point(from2, to2) {
        if (from2 > pos) {
          ranges.push({ from: pos, to: from2 });
          total += from2 - pos;
        }
        pos = to2;
      }
    }, 20);
    if (pos < to) {
      ranges.push({ from: pos, to });
      total += to - pos;
    }
    return { total, ranges };
  }
  function findPosition({ total, ranges }, ratio) {
    if (ratio <= 0)
      return ranges[0].from;
    if (ratio >= 1)
      return ranges[ranges.length - 1].to;
    let dist2 = Math.floor(total * ratio);
    for (let i = 0; ; i++) {
      let { from, to } = ranges[i], size = to - from;
      if (dist2 <= size)
        return from + dist2;
      dist2 -= size;
    }
  }
  function findFraction(structure, pos) {
    let counted = 0;
    for (let { from, to } of structure.ranges) {
      if (pos <= to) {
        counted += pos - from;
        break;
      }
      counted += to - from;
    }
    return counted / structure.total;
  }
  function find(array, f) {
    for (let val of array)
      if (f(val))
        return val;
    return void 0;
  }
  var IdScaler = {
    toDOM(n) {
      return n;
    },
    fromDOM(n) {
      return n;
    },
    scale: 1
  };
  var BigScaler = class {
    constructor(oracle, heightMap, viewports) {
      let vpHeight = 0, base2 = 0, domBase = 0;
      this.viewports = viewports.map(({ from, to }) => {
        let top2 = heightMap.lineAt(from, QueryType.ByPos, oracle, 0, 0).top;
        let bottom = heightMap.lineAt(to, QueryType.ByPos, oracle, 0, 0).bottom;
        vpHeight += bottom - top2;
        return { from, to, top: top2, bottom, domTop: 0, domBottom: 0 };
      });
      this.scale = (7e6 - vpHeight) / (heightMap.height - vpHeight);
      for (let obj of this.viewports) {
        obj.domTop = domBase + (obj.top - base2) * this.scale;
        domBase = obj.domBottom = obj.domTop + (obj.bottom - obj.top);
        base2 = obj.bottom;
      }
    }
    toDOM(n) {
      for (let i = 0, base2 = 0, domBase = 0; ; i++) {
        let vp = i < this.viewports.length ? this.viewports[i] : null;
        if (!vp || n < vp.top)
          return domBase + (n - base2) * this.scale;
        if (n <= vp.bottom)
          return vp.domTop + (n - vp.top);
        base2 = vp.bottom;
        domBase = vp.domBottom;
      }
    }
    fromDOM(n) {
      for (let i = 0, base2 = 0, domBase = 0; ; i++) {
        let vp = i < this.viewports.length ? this.viewports[i] : null;
        if (!vp || n < vp.domTop)
          return base2 + (n - domBase) / this.scale;
        if (n <= vp.domBottom)
          return vp.top + (n - vp.domTop);
        base2 = vp.bottom;
        domBase = vp.domBottom;
      }
    }
  };
  function scaleBlock(block, scaler) {
    if (scaler.scale == 1)
      return block;
    let bTop = scaler.toDOM(block.top), bBottom = scaler.toDOM(block.bottom);
    return new BlockInfo(block.from, block.length, bTop, bBottom - bTop, Array.isArray(block._content) ? block._content.map((b) => scaleBlock(b, scaler)) : block._content);
  }
  var theme = /* @__PURE__ */ Facet.define({ combine: (strs) => strs.join(" ") });
  var darkTheme = /* @__PURE__ */ Facet.define({ combine: (values2) => values2.indexOf(true) > -1 });
  var baseThemeID = /* @__PURE__ */ StyleModule.newName();
  var baseLightID = /* @__PURE__ */ StyleModule.newName();
  var baseDarkID = /* @__PURE__ */ StyleModule.newName();
  var lightDarkIDs = { "&light": "." + baseLightID, "&dark": "." + baseDarkID };
  function buildTheme(main, spec, scopes) {
    return new StyleModule(spec, {
      finish(sel) {
        return /&/.test(sel) ? sel.replace(/&\w*/, (m) => {
          if (m == "&")
            return main;
          if (!scopes || !scopes[m])
            throw new RangeError(`Unsupported selector: ${m}`);
          return scopes[m];
        }) : main + " " + sel;
      }
    });
  }
  var baseTheme$1 = /* @__PURE__ */ buildTheme("." + baseThemeID, {
    "&": {
      position: "relative !important",
      boxSizing: "border-box",
      "&.cm-focused": {
        // Provide a simple default outline to make sure a focused
        // editor is visually distinct. Can't leave the default behavior
        // because that will apply to the content element, which is
        // inside the scrollable container and doesn't include the
        // gutters. We also can't use an 'auto' outline, since those
        // are, for some reason, drawn behind the element content, which
        // will cause things like the active line background to cover
        // the outline (#297).
        outline: "1px dotted #212121"
      },
      display: "flex !important",
      flexDirection: "column"
    },
    ".cm-scroller": {
      display: "flex !important",
      alignItems: "flex-start !important",
      fontFamily: "monospace",
      lineHeight: 1.4,
      height: "100%",
      overflowX: "auto",
      position: "relative",
      zIndex: 0
    },
    ".cm-content": {
      margin: 0,
      flexGrow: 2,
      flexShrink: 0,
      display: "block",
      whiteSpace: "pre",
      wordWrap: "normal",
      // https://github.com/codemirror/dev/issues/456
      boxSizing: "border-box",
      minHeight: "100%",
      padding: "4px 0",
      outline: "none",
      "&[contenteditable=true]": {
        WebkitUserModify: "read-write-plaintext-only"
      }
    },
    ".cm-lineWrapping": {
      whiteSpace_fallback: "pre-wrap",
      // For IE
      whiteSpace: "break-spaces",
      wordBreak: "break-word",
      // For Safari, which doesn't support overflow-wrap: anywhere
      overflowWrap: "anywhere",
      flexShrink: 1
    },
    "&light .cm-content": { caretColor: "black" },
    "&dark .cm-content": { caretColor: "white" },
    ".cm-line": {
      display: "block",
      padding: "0 2px 0 6px"
    },
    ".cm-layer": {
      position: "absolute",
      left: 0,
      top: 0,
      contain: "size style",
      "& > *": {
        position: "absolute"
      }
    },
    "&light .cm-selectionBackground": {
      background: "#d9d9d9"
    },
    "&dark .cm-selectionBackground": {
      background: "#222"
    },
    "&light.cm-focused > .cm-scroller > .cm-selectionLayer .cm-selectionBackground": {
      background: "#d7d4f0"
    },
    "&dark.cm-focused > .cm-scroller > .cm-selectionLayer .cm-selectionBackground": {
      background: "#233"
    },
    ".cm-cursorLayer": {
      pointerEvents: "none"
    },
    "&.cm-focused > .cm-scroller > .cm-cursorLayer": {
      animation: "steps(1) cm-blink 1.2s infinite"
    },
    // Two animations defined so that we can switch between them to
    // restart the animation without forcing another style
    // recomputation.
    "@keyframes cm-blink": { "0%": {}, "50%": { opacity: 0 }, "100%": {} },
    "@keyframes cm-blink2": { "0%": {}, "50%": { opacity: 0 }, "100%": {} },
    ".cm-cursor, .cm-dropCursor": {
      borderLeft: "1.2px solid black",
      marginLeft: "-0.6px",
      pointerEvents: "none"
    },
    ".cm-cursor": {
      display: "none"
    },
    "&dark .cm-cursor": {
      borderLeftColor: "#444"
    },
    ".cm-dropCursor": {
      position: "absolute"
    },
    "&.cm-focused > .cm-scroller > .cm-cursorLayer .cm-cursor": {
      display: "block"
    },
    ".cm-iso": {
      unicodeBidi: "isolate"
    },
    ".cm-announced": {
      position: "fixed",
      top: "-10000px"
    },
    "@media print": {
      ".cm-announced": { display: "none" }
    },
    "&light .cm-activeLine": { backgroundColor: "#cceeff44" },
    "&dark .cm-activeLine": { backgroundColor: "#99eeff33" },
    "&light .cm-specialChar": { color: "red" },
    "&dark .cm-specialChar": { color: "#f78" },
    ".cm-gutters": {
      flexShrink: 0,
      display: "flex",
      height: "100%",
      boxSizing: "border-box",
      insetInlineStart: 0,
      zIndex: 200
    },
    "&light .cm-gutters": {
      backgroundColor: "#f5f5f5",
      color: "#6c6c6c",
      borderRight: "1px solid #ddd"
    },
    "&dark .cm-gutters": {
      backgroundColor: "#333338",
      color: "#ccc"
    },
    ".cm-gutter": {
      display: "flex !important",
      // Necessary -- prevents margin collapsing
      flexDirection: "column",
      flexShrink: 0,
      boxSizing: "border-box",
      minHeight: "100%",
      overflow: "hidden"
    },
    ".cm-gutterElement": {
      boxSizing: "border-box"
    },
    ".cm-lineNumbers .cm-gutterElement": {
      padding: "0 3px 0 5px",
      minWidth: "20px",
      textAlign: "right",
      whiteSpace: "nowrap"
    },
    "&light .cm-activeLineGutter": {
      backgroundColor: "#e2f2ff"
    },
    "&dark .cm-activeLineGutter": {
      backgroundColor: "#222227"
    },
    ".cm-panels": {
      boxSizing: "border-box",
      position: "sticky",
      left: 0,
      right: 0
    },
    "&light .cm-panels": {
      backgroundColor: "#f5f5f5",
      color: "black"
    },
    "&light .cm-panels-top": {
      borderBottom: "1px solid #ddd"
    },
    "&light .cm-panels-bottom": {
      borderTop: "1px solid #ddd"
    },
    "&dark .cm-panels": {
      backgroundColor: "#333338",
      color: "white"
    },
    ".cm-tab": {
      display: "inline-block",
      overflow: "hidden",
      verticalAlign: "bottom"
    },
    ".cm-widgetBuffer": {
      verticalAlign: "text-top",
      height: "1em",
      width: 0,
      display: "inline"
    },
    ".cm-placeholder": {
      color: "#888",
      display: "inline-block",
      verticalAlign: "top"
    },
    ".cm-highlightSpace:before": {
      content: "attr(data-display)",
      position: "absolute",
      pointerEvents: "none",
      color: "#888"
    },
    ".cm-highlightTab": {
      backgroundImage: `url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="200" height="20"><path stroke="%23888" stroke-width="1" fill="none" d="M1 10H196L190 5M190 15L196 10M197 4L197 16"/></svg>')`,
      backgroundSize: "auto 100%",
      backgroundPosition: "right 90%",
      backgroundRepeat: "no-repeat"
    },
    ".cm-trailingSpace": {
      backgroundColor: "#ff332255"
    },
    ".cm-button": {
      verticalAlign: "middle",
      color: "inherit",
      fontSize: "70%",
      padding: ".2em 1em",
      borderRadius: "1px"
    },
    "&light .cm-button": {
      backgroundImage: "linear-gradient(#eff1f5, #d9d9df)",
      border: "1px solid #888",
      "&:active": {
        backgroundImage: "linear-gradient(#b4b4b4, #d0d3d6)"
      }
    },
    "&dark .cm-button": {
      backgroundImage: "linear-gradient(#393939, #111)",
      border: "1px solid #888",
      "&:active": {
        backgroundImage: "linear-gradient(#111, #333)"
      }
    },
    ".cm-textfield": {
      verticalAlign: "middle",
      color: "inherit",
      fontSize: "70%",
      border: "1px solid silver",
      padding: ".2em .5em"
    },
    "&light .cm-textfield": {
      backgroundColor: "white"
    },
    "&dark .cm-textfield": {
      border: "1px solid #555",
      backgroundColor: "inherit"
    }
  }, lightDarkIDs);
  var LineBreakPlaceholder = "\uFFFF";
  var DOMReader = class {
    constructor(points, state) {
      this.points = points;
      this.text = "";
      this.lineSeparator = state.facet(EditorState.lineSeparator);
    }
    append(text) {
      this.text += text;
    }
    lineBreak() {
      this.text += LineBreakPlaceholder;
    }
    readRange(start, end) {
      if (!start)
        return this;
      let parent = start.parentNode;
      for (let cur2 = start; ; ) {
        this.findPointBefore(parent, cur2);
        let oldLen = this.text.length;
        this.readNode(cur2);
        let next = cur2.nextSibling;
        if (next == end)
          break;
        let view = ContentView.get(cur2), nextView = ContentView.get(next);
        if (view && nextView ? view.breakAfter : (view ? view.breakAfter : isBlockElement(cur2)) || isBlockElement(next) && (cur2.nodeName != "BR" || cur2.cmIgnore) && this.text.length > oldLen)
          this.lineBreak();
        cur2 = next;
      }
      this.findPointBefore(parent, end);
      return this;
    }
    readTextNode(node) {
      let text = node.nodeValue;
      for (let point of this.points)
        if (point.node == node)
          point.pos = this.text.length + Math.min(point.offset, text.length);
      for (let off = 0, re = this.lineSeparator ? null : /\r\n?|\n/g; ; ) {
        let nextBreak = -1, breakSize = 1, m;
        if (this.lineSeparator) {
          nextBreak = text.indexOf(this.lineSeparator, off);
          breakSize = this.lineSeparator.length;
        } else if (m = re.exec(text)) {
          nextBreak = m.index;
          breakSize = m[0].length;
        }
        this.append(text.slice(off, nextBreak < 0 ? text.length : nextBreak));
        if (nextBreak < 0)
          break;
        this.lineBreak();
        if (breakSize > 1) {
          for (let point of this.points)
            if (point.node == node && point.pos > this.text.length)
              point.pos -= breakSize - 1;
        }
        off = nextBreak + breakSize;
      }
    }
    readNode(node) {
      if (node.cmIgnore)
        return;
      let view = ContentView.get(node);
      let fromView = view && view.overrideDOMText;
      if (fromView != null) {
        this.findPointInside(node, fromView.length);
        for (let i = fromView.iter(); !i.next().done; ) {
          if (i.lineBreak)
            this.lineBreak();
          else
            this.append(i.value);
        }
      } else if (node.nodeType == 3) {
        this.readTextNode(node);
      } else if (node.nodeName == "BR") {
        if (node.nextSibling)
          this.lineBreak();
      } else if (node.nodeType == 1) {
        this.readRange(node.firstChild, null);
      }
    }
    findPointBefore(node, next) {
      for (let point of this.points)
        if (point.node == node && node.childNodes[point.offset] == next)
          point.pos = this.text.length;
    }
    findPointInside(node, length) {
      for (let point of this.points)
        if (node.nodeType == 3 ? point.node == node : node.contains(point.node))
          point.pos = this.text.length + (isAtEnd(node, point.node, point.offset) ? length : 0);
    }
  };
  function isAtEnd(parent, node, offset) {
    for (; ; ) {
      if (!node || offset < maxOffset(node))
        return false;
      if (node == parent)
        return true;
      offset = domIndex(node) + 1;
      node = node.parentNode;
    }
  }
  var DOMPoint = class {
    constructor(node, offset) {
      this.node = node;
      this.offset = offset;
      this.pos = -1;
    }
  };
  var DOMChange = class {
    constructor(view, start, end, typeOver) {
      this.typeOver = typeOver;
      this.bounds = null;
      this.text = "";
      let { impreciseHead: iHead, impreciseAnchor: iAnchor } = view.docView;
      if (view.state.readOnly && start > -1) {
        this.newSel = null;
      } else if (start > -1 && (this.bounds = view.docView.domBoundsAround(start, end, 0))) {
        let selPoints = iHead || iAnchor ? [] : selectionPoints(view);
        let reader = new DOMReader(selPoints, view.state);
        reader.readRange(this.bounds.startDOM, this.bounds.endDOM);
        this.text = reader.text;
        this.newSel = selectionFromPoints(selPoints, this.bounds.from);
      } else {
        let domSel = view.observer.selectionRange;
        let head = iHead && iHead.node == domSel.focusNode && iHead.offset == domSel.focusOffset || !contains(view.contentDOM, domSel.focusNode) ? view.state.selection.main.head : view.docView.posFromDOM(domSel.focusNode, domSel.focusOffset);
        let anchor = iAnchor && iAnchor.node == domSel.anchorNode && iAnchor.offset == domSel.anchorOffset || !contains(view.contentDOM, domSel.anchorNode) ? view.state.selection.main.anchor : view.docView.posFromDOM(domSel.anchorNode, domSel.anchorOffset);
        let vp = view.viewport;
        if ((browser.ios || browser.chrome) && view.state.selection.main.empty && head != anchor && (vp.from > 0 || vp.to < view.state.doc.length)) {
          let from = Math.min(head, anchor), to = Math.max(head, anchor);
          let offFrom = vp.from - from, offTo = vp.to - to;
          if ((offFrom == 0 || offFrom == 1 || from == 0) && (offTo == 0 || offTo == -1 || to == view.state.doc.length)) {
            head = 0;
            anchor = view.state.doc.length;
          }
        }
        this.newSel = EditorSelection.single(anchor, head);
      }
    }
  };
  function applyDOMChange(view, domChange) {
    let change;
    let { newSel } = domChange, sel = view.state.selection.main;
    let lastKey = view.inputState.lastKeyTime > Date.now() - 100 ? view.inputState.lastKeyCode : -1;
    if (domChange.bounds) {
      let { from, to } = domChange.bounds;
      let preferredPos = sel.from, preferredSide = null;
      if (lastKey === 8 || browser.android && domChange.text.length < to - from) {
        preferredPos = sel.to;
        preferredSide = "end";
      }
      let diff = findDiff(view.state.doc.sliceString(from, to, LineBreakPlaceholder), domChange.text, preferredPos - from, preferredSide);
      if (diff) {
        if (browser.chrome && lastKey == 13 && diff.toB == diff.from + 2 && domChange.text.slice(diff.from, diff.toB) == LineBreakPlaceholder + LineBreakPlaceholder)
          diff.toB--;
        change = {
          from: from + diff.from,
          to: from + diff.toA,
          insert: Text.of(domChange.text.slice(diff.from, diff.toB).split(LineBreakPlaceholder))
        };
      }
    } else if (newSel && (!view.hasFocus && view.state.facet(editable) || newSel.main.eq(sel))) {
      newSel = null;
    }
    if (!change && !newSel)
      return false;
    if (!change && domChange.typeOver && !sel.empty && newSel && newSel.main.empty) {
      change = { from: sel.from, to: sel.to, insert: view.state.doc.slice(sel.from, sel.to) };
    } else if (change && change.from >= sel.from && change.to <= sel.to && (change.from != sel.from || change.to != sel.to) && sel.to - sel.from - (change.to - change.from) <= 4) {
      change = {
        from: sel.from,
        to: sel.to,
        insert: view.state.doc.slice(sel.from, change.from).append(change.insert).append(view.state.doc.slice(change.to, sel.to))
      };
    } else if ((browser.mac || browser.android) && change && change.from == change.to && change.from == sel.head - 1 && /^\. ?$/.test(change.insert.toString()) && view.contentDOM.getAttribute("autocorrect") == "off") {
      if (newSel && change.insert.length == 2)
        newSel = EditorSelection.single(newSel.main.anchor - 1, newSel.main.head - 1);
      change = { from: sel.from, to: sel.to, insert: Text.of([" "]) };
    } else if (browser.chrome && change && change.from == change.to && change.from == sel.head && change.insert.toString() == "\n " && view.lineWrapping) {
      if (newSel)
        newSel = EditorSelection.single(newSel.main.anchor - 1, newSel.main.head - 1);
      change = { from: sel.from, to: sel.to, insert: Text.of([" "]) };
    }
    if (change) {
      if (browser.ios && view.inputState.flushIOSKey(change))
        return true;
      if (browser.android && (change.to == sel.to && // GBoard will sometimes remove a space it just inserted
      // after a completion when you press enter
      (change.from == sel.from || change.from == sel.from - 1 && view.state.sliceDoc(change.from, sel.from) == " ") && change.insert.length == 1 && change.insert.lines == 2 && dispatchKey(view.contentDOM, "Enter", 13) || (change.from == sel.from - 1 && change.to == sel.to && change.insert.length == 0 || lastKey == 8 && change.insert.length < change.to - change.from && change.to > sel.head) && dispatchKey(view.contentDOM, "Backspace", 8) || change.from == sel.from && change.to == sel.to + 1 && change.insert.length == 0 && dispatchKey(view.contentDOM, "Delete", 46)))
        return true;
      let text = change.insert.toString();
      if (view.inputState.composing >= 0)
        view.inputState.composing++;
      let defaultTr;
      let defaultInsert = () => defaultTr || (defaultTr = applyDefaultInsert(view, change, newSel));
      if (!view.state.facet(inputHandler).some((h) => h(view, change.from, change.to, text, defaultInsert)))
        view.dispatch(defaultInsert());
      return true;
    } else if (newSel && !newSel.main.eq(sel)) {
      let scrollIntoView3 = false, userEvent = "select";
      if (view.inputState.lastSelectionTime > Date.now() - 50) {
        if (view.inputState.lastSelectionOrigin == "select")
          scrollIntoView3 = true;
        userEvent = view.inputState.lastSelectionOrigin;
      }
      view.dispatch({ selection: newSel, scrollIntoView: scrollIntoView3, userEvent });
      return true;
    } else {
      return false;
    }
  }
  function applyDefaultInsert(view, change, newSel) {
    let tr, startState = view.state, sel = startState.selection.main;
    if (change.from >= sel.from && change.to <= sel.to && change.to - change.from >= (sel.to - sel.from) / 3 && (!newSel || newSel.main.empty && newSel.main.from == change.from + change.insert.length) && view.inputState.composing < 0) {
      let before = sel.from < change.from ? startState.sliceDoc(sel.from, change.from) : "";
      let after = sel.to > change.to ? startState.sliceDoc(change.to, sel.to) : "";
      tr = startState.replaceSelection(view.state.toText(before + change.insert.sliceString(0, void 0, view.state.lineBreak) + after));
    } else {
      let changes = startState.changes(change);
      let mainSel = newSel && newSel.main.to <= changes.newLength ? newSel.main : void 0;
      if (startState.selection.ranges.length > 1 && view.inputState.composing >= 0 && change.to <= sel.to && change.to >= sel.to - 10) {
        let replaced = view.state.sliceDoc(change.from, change.to);
        let compositionRange, composition = newSel && findCompositionNode(view, newSel.main.head);
        if (composition) {
          let dLen = change.insert.length - (change.to - change.from);
          compositionRange = { from: composition.from, to: composition.to - dLen };
        } else {
          compositionRange = view.state.doc.lineAt(sel.head);
        }
        let offset = sel.to - change.to, size = sel.to - sel.from;
        tr = startState.changeByRange((range) => {
          if (range.from == sel.from && range.to == sel.to)
            return { changes, range: mainSel || range.map(changes) };
          let to = range.to - offset, from = to - replaced.length;
          if (range.to - range.from != size || view.state.sliceDoc(from, to) != replaced || // Unfortunately, there's no way to make multiple
          // changes in the same node work without aborting
          // composition, so cursors in the composition range are
          // ignored.
          range.to >= compositionRange.from && range.from <= compositionRange.to)
            return { range };
          let rangeChanges = startState.changes({ from, to, insert: change.insert }), selOff = range.to - sel.to;
          return {
            changes: rangeChanges,
            range: !mainSel ? range.map(rangeChanges) : EditorSelection.range(Math.max(0, mainSel.anchor + selOff), Math.max(0, mainSel.head + selOff))
          };
        });
      } else {
        tr = {
          changes,
          selection: mainSel && startState.selection.replaceRange(mainSel)
        };
      }
    }
    let userEvent = "input.type";
    if (view.composing || view.inputState.compositionPendingChange && view.inputState.compositionEndedAt > Date.now() - 50) {
      view.inputState.compositionPendingChange = false;
      userEvent += ".compose";
      if (view.inputState.compositionFirstChange) {
        userEvent += ".start";
        view.inputState.compositionFirstChange = false;
      }
    }
    return startState.update(tr, { userEvent, scrollIntoView: true });
  }
  function findDiff(a, b, preferredPos, preferredSide) {
    let minLen = Math.min(a.length, b.length);
    let from = 0;
    while (from < minLen && a.charCodeAt(from) == b.charCodeAt(from))
      from++;
    if (from == minLen && a.length == b.length)
      return null;
    let toA = a.length, toB = b.length;
    while (toA > 0 && toB > 0 && a.charCodeAt(toA - 1) == b.charCodeAt(toB - 1)) {
      toA--;
      toB--;
    }
    if (preferredSide == "end") {
      let adjust = Math.max(0, from - Math.min(toA, toB));
      preferredPos -= toA + adjust - from;
    }
    if (toA < from && a.length < b.length) {
      let move = preferredPos <= from && preferredPos >= toA ? from - preferredPos : 0;
      from -= move;
      toB = from + (toB - toA);
      toA = from;
    } else if (toB < from) {
      let move = preferredPos <= from && preferredPos >= toB ? from - preferredPos : 0;
      from -= move;
      toA = from + (toA - toB);
      toB = from;
    }
    return { from, toA, toB };
  }
  function selectionPoints(view) {
    let result = [];
    if (view.root.activeElement != view.contentDOM)
      return result;
    let { anchorNode, anchorOffset, focusNode, focusOffset } = view.observer.selectionRange;
    if (anchorNode) {
      result.push(new DOMPoint(anchorNode, anchorOffset));
      if (focusNode != anchorNode || focusOffset != anchorOffset)
        result.push(new DOMPoint(focusNode, focusOffset));
    }
    return result;
  }
  function selectionFromPoints(points, base2) {
    if (points.length == 0)
      return null;
    let anchor = points[0].pos, head = points.length == 2 ? points[1].pos : anchor;
    return anchor > -1 && head > -1 ? EditorSelection.single(anchor + base2, head + base2) : null;
  }
  var observeOptions = {
    childList: true,
    characterData: true,
    subtree: true,
    attributes: true,
    characterDataOldValue: true
  };
  var useCharData = browser.ie && browser.ie_version <= 11;
  var DOMObserver = class {
    constructor(view) {
      this.view = view;
      this.active = false;
      this.selectionRange = new DOMSelectionState();
      this.selectionChanged = false;
      this.delayedFlush = -1;
      this.resizeTimeout = -1;
      this.queue = [];
      this.delayedAndroidKey = null;
      this.flushingAndroidKey = -1;
      this.lastChange = 0;
      this.scrollTargets = [];
      this.intersection = null;
      this.resizeScroll = null;
      this.intersecting = false;
      this.gapIntersection = null;
      this.gaps = [];
      this.printQuery = null;
      this.parentCheck = -1;
      this.dom = view.contentDOM;
      this.observer = new MutationObserver((mutations) => {
        for (let mut of mutations)
          this.queue.push(mut);
        if ((browser.ie && browser.ie_version <= 11 || browser.ios && view.composing) && mutations.some((m) => m.type == "childList" && m.removedNodes.length || m.type == "characterData" && m.oldValue.length > m.target.nodeValue.length))
          this.flushSoon();
        else
          this.flush();
      });
      if (useCharData)
        this.onCharData = (event) => {
          this.queue.push({
            target: event.target,
            type: "characterData",
            oldValue: event.prevValue
          });
          this.flushSoon();
        };
      this.onSelectionChange = this.onSelectionChange.bind(this);
      this.onResize = this.onResize.bind(this);
      this.onPrint = this.onPrint.bind(this);
      this.onScroll = this.onScroll.bind(this);
      if (window.matchMedia)
        this.printQuery = window.matchMedia("print");
      if (typeof ResizeObserver == "function") {
        this.resizeScroll = new ResizeObserver(() => {
          var _a2;
          if (((_a2 = this.view.docView) === null || _a2 === void 0 ? void 0 : _a2.lastUpdate) < Date.now() - 75)
            this.onResize();
        });
        this.resizeScroll.observe(view.scrollDOM);
      }
      this.addWindowListeners(this.win = view.win);
      this.start();
      if (typeof IntersectionObserver == "function") {
        this.intersection = new IntersectionObserver((entries) => {
          if (this.parentCheck < 0)
            this.parentCheck = setTimeout(this.listenForScroll.bind(this), 1e3);
          if (entries.length > 0 && entries[entries.length - 1].intersectionRatio > 0 != this.intersecting) {
            this.intersecting = !this.intersecting;
            if (this.intersecting != this.view.inView)
              this.onScrollChanged(document.createEvent("Event"));
          }
        }, { threshold: [0, 1e-3] });
        this.intersection.observe(this.dom);
        this.gapIntersection = new IntersectionObserver((entries) => {
          if (entries.length > 0 && entries[entries.length - 1].intersectionRatio > 0)
            this.onScrollChanged(document.createEvent("Event"));
        }, {});
      }
      this.listenForScroll();
      this.readSelectionRange();
    }
    onScrollChanged(e) {
      this.view.inputState.runHandlers("scroll", e);
      if (this.intersecting)
        this.view.measure();
    }
    onScroll(e) {
      if (this.intersecting)
        this.flush(false);
      this.onScrollChanged(e);
    }
    onResize() {
      if (this.resizeTimeout < 0)
        this.resizeTimeout = setTimeout(() => {
          this.resizeTimeout = -1;
          this.view.requestMeasure();
        }, 50);
    }
    onPrint(event) {
      if (event.type == "change" && !event.matches)
        return;
      this.view.viewState.printing = true;
      this.view.measure();
      setTimeout(() => {
        this.view.viewState.printing = false;
        this.view.requestMeasure();
      }, 500);
    }
    updateGaps(gaps) {
      if (this.gapIntersection && (gaps.length != this.gaps.length || this.gaps.some((g, i) => g != gaps[i]))) {
        this.gapIntersection.disconnect();
        for (let gap of gaps)
          this.gapIntersection.observe(gap);
        this.gaps = gaps;
      }
    }
    onSelectionChange(event) {
      let wasChanged = this.selectionChanged;
      if (!this.readSelectionRange() || this.delayedAndroidKey)
        return;
      let { view } = this, sel = this.selectionRange;
      if (view.state.facet(editable) ? view.root.activeElement != this.dom : !hasSelection(view.dom, sel))
        return;
      let context = sel.anchorNode && view.docView.nearest(sel.anchorNode);
      if (context && context.ignoreEvent(event)) {
        if (!wasChanged)
          this.selectionChanged = false;
        return;
      }
      if ((browser.ie && browser.ie_version <= 11 || browser.android && browser.chrome) && !view.state.selection.main.empty && // (Selection.isCollapsed isn't reliable on IE)
      sel.focusNode && isEquivalentPosition(sel.focusNode, sel.focusOffset, sel.anchorNode, sel.anchorOffset))
        this.flushSoon();
      else
        this.flush(false);
    }
    readSelectionRange() {
      let { view } = this;
      let selection = getSelection(view.root);
      if (!selection)
        return false;
      let range = browser.safari && view.root.nodeType == 11 && deepActiveElement(this.dom.ownerDocument) == this.dom && safariSelectionRangeHack(this.view, selection) || selection;
      if (!range || this.selectionRange.eq(range))
        return false;
      let local = hasSelection(this.dom, range);
      if (local && !this.selectionChanged && view.inputState.lastFocusTime > Date.now() - 200 && view.inputState.lastTouchTime < Date.now() - 300 && atElementStart(this.dom, range)) {
        this.view.inputState.lastFocusTime = 0;
        view.docView.updateSelection();
        return false;
      }
      this.selectionRange.setRange(range);
      if (local)
        this.selectionChanged = true;
      return true;
    }
    setSelectionRange(anchor, head) {
      this.selectionRange.set(anchor.node, anchor.offset, head.node, head.offset);
      this.selectionChanged = false;
    }
    clearSelectionRange() {
      this.selectionRange.set(null, 0, null, 0);
    }
    listenForScroll() {
      this.parentCheck = -1;
      let i = 0, changed = null;
      for (let dom = this.dom; dom; ) {
        if (dom.nodeType == 1) {
          if (!changed && i < this.scrollTargets.length && this.scrollTargets[i] == dom)
            i++;
          else if (!changed)
            changed = this.scrollTargets.slice(0, i);
          if (changed)
            changed.push(dom);
          dom = dom.assignedSlot || dom.parentNode;
        } else if (dom.nodeType == 11) {
          dom = dom.host;
        } else {
          break;
        }
      }
      if (i < this.scrollTargets.length && !changed)
        changed = this.scrollTargets.slice(0, i);
      if (changed) {
        for (let dom of this.scrollTargets)
          dom.removeEventListener("scroll", this.onScroll);
        for (let dom of this.scrollTargets = changed)
          dom.addEventListener("scroll", this.onScroll);
      }
    }
    ignore(f) {
      if (!this.active)
        return f();
      try {
        this.stop();
        return f();
      } finally {
        this.start();
        this.clear();
      }
    }
    start() {
      if (this.active)
        return;
      this.observer.observe(this.dom, observeOptions);
      if (useCharData)
        this.dom.addEventListener("DOMCharacterDataModified", this.onCharData);
      this.active = true;
    }
    stop() {
      if (!this.active)
        return;
      this.active = false;
      this.observer.disconnect();
      if (useCharData)
        this.dom.removeEventListener("DOMCharacterDataModified", this.onCharData);
    }
    // Throw away any pending changes
    clear() {
      this.processRecords();
      this.queue.length = 0;
      this.selectionChanged = false;
    }
    // Chrome Android, especially in combination with GBoard, not only
    // doesn't reliably fire regular key events, but also often
    // surrounds the effect of enter or backspace with a bunch of
    // composition events that, when interrupted, cause text duplication
    // or other kinds of corruption. This hack makes the editor back off
    // from handling DOM changes for a moment when such a key is
    // detected (via beforeinput or keydown), and then tries to flush
    // them or, if that has no effect, dispatches the given key.
    delayAndroidKey(key, keyCode) {
      var _a2;
      if (!this.delayedAndroidKey) {
        let flush = () => {
          let key2 = this.delayedAndroidKey;
          if (key2) {
            this.clearDelayedAndroidKey();
            this.view.inputState.lastKeyCode = key2.keyCode;
            this.view.inputState.lastKeyTime = Date.now();
            let flushed = this.flush();
            if (!flushed && key2.force)
              dispatchKey(this.dom, key2.key, key2.keyCode);
          }
        };
        this.flushingAndroidKey = this.view.win.requestAnimationFrame(flush);
      }
      if (!this.delayedAndroidKey || key == "Enter")
        this.delayedAndroidKey = {
          key,
          keyCode,
          // Only run the key handler when no changes are detected if
          // this isn't coming right after another change, in which case
          // it is probably part of a weird chain of updates, and should
          // be ignored if it returns the DOM to its previous state.
          force: this.lastChange < Date.now() - 50 || !!((_a2 = this.delayedAndroidKey) === null || _a2 === void 0 ? void 0 : _a2.force)
        };
    }
    clearDelayedAndroidKey() {
      this.win.cancelAnimationFrame(this.flushingAndroidKey);
      this.delayedAndroidKey = null;
      this.flushingAndroidKey = -1;
    }
    flushSoon() {
      if (this.delayedFlush < 0)
        this.delayedFlush = this.view.win.requestAnimationFrame(() => {
          this.delayedFlush = -1;
          this.flush();
        });
    }
    forceFlush() {
      if (this.delayedFlush >= 0) {
        this.view.win.cancelAnimationFrame(this.delayedFlush);
        this.delayedFlush = -1;
      }
      this.flush();
    }
    pendingRecords() {
      for (let mut of this.observer.takeRecords())
        this.queue.push(mut);
      return this.queue;
    }
    processRecords() {
      let records = this.pendingRecords();
      if (records.length)
        this.queue = [];
      let from = -1, to = -1, typeOver = false;
      for (let record of records) {
        let range = this.readMutation(record);
        if (!range)
          continue;
        if (range.typeOver)
          typeOver = true;
        if (from == -1) {
          ({ from, to } = range);
        } else {
          from = Math.min(range.from, from);
          to = Math.max(range.to, to);
        }
      }
      return { from, to, typeOver };
    }
    readChange() {
      let { from, to, typeOver } = this.processRecords();
      let newSel = this.selectionChanged && hasSelection(this.dom, this.selectionRange);
      if (from < 0 && !newSel)
        return null;
      if (from > -1)
        this.lastChange = Date.now();
      this.view.inputState.lastFocusTime = 0;
      this.selectionChanged = false;
      let change = new DOMChange(this.view, from, to, typeOver);
      this.view.docView.domChanged = { newSel: change.newSel ? change.newSel.main : null };
      return change;
    }
    // Apply pending changes, if any
    flush(readSelection = true) {
      if (this.delayedFlush >= 0 || this.delayedAndroidKey)
        return false;
      if (readSelection)
        this.readSelectionRange();
      let domChange = this.readChange();
      if (!domChange) {
        this.view.requestMeasure();
        return false;
      }
      let startState = this.view.state;
      let handled = applyDOMChange(this.view, domChange);
      if (this.view.state == startState)
        this.view.update([]);
      return handled;
    }
    readMutation(rec) {
      let cView = this.view.docView.nearest(rec.target);
      if (!cView || cView.ignoreMutation(rec))
        return null;
      cView.markDirty(rec.type == "attributes");
      if (rec.type == "attributes")
        cView.flags |= 4;
      if (rec.type == "childList") {
        let childBefore = findChild(cView, rec.previousSibling || rec.target.previousSibling, -1);
        let childAfter = findChild(cView, rec.nextSibling || rec.target.nextSibling, 1);
        return {
          from: childBefore ? cView.posAfter(childBefore) : cView.posAtStart,
          to: childAfter ? cView.posBefore(childAfter) : cView.posAtEnd,
          typeOver: false
        };
      } else if (rec.type == "characterData") {
        return { from: cView.posAtStart, to: cView.posAtEnd, typeOver: rec.target.nodeValue == rec.oldValue };
      } else {
        return null;
      }
    }
    setWindow(win) {
      if (win != this.win) {
        this.removeWindowListeners(this.win);
        this.win = win;
        this.addWindowListeners(this.win);
      }
    }
    addWindowListeners(win) {
      win.addEventListener("resize", this.onResize);
      if (this.printQuery)
        this.printQuery.addEventListener("change", this.onPrint);
      else
        win.addEventListener("beforeprint", this.onPrint);
      win.addEventListener("scroll", this.onScroll);
      win.document.addEventListener("selectionchange", this.onSelectionChange);
    }
    removeWindowListeners(win) {
      win.removeEventListener("scroll", this.onScroll);
      win.removeEventListener("resize", this.onResize);
      if (this.printQuery)
        this.printQuery.removeEventListener("change", this.onPrint);
      else
        win.removeEventListener("beforeprint", this.onPrint);
      win.document.removeEventListener("selectionchange", this.onSelectionChange);
    }
    destroy() {
      var _a2, _b, _c;
      this.stop();
      (_a2 = this.intersection) === null || _a2 === void 0 ? void 0 : _a2.disconnect();
      (_b = this.gapIntersection) === null || _b === void 0 ? void 0 : _b.disconnect();
      (_c = this.resizeScroll) === null || _c === void 0 ? void 0 : _c.disconnect();
      for (let dom of this.scrollTargets)
        dom.removeEventListener("scroll", this.onScroll);
      this.removeWindowListeners(this.win);
      clearTimeout(this.parentCheck);
      clearTimeout(this.resizeTimeout);
      this.win.cancelAnimationFrame(this.delayedFlush);
      this.win.cancelAnimationFrame(this.flushingAndroidKey);
    }
  };
  function findChild(cView, dom, dir) {
    while (dom) {
      let curView = ContentView.get(dom);
      if (curView && curView.parent == cView)
        return curView;
      let parent = dom.parentNode;
      dom = parent != cView.dom ? parent : dir > 0 ? dom.nextSibling : dom.previousSibling;
    }
    return null;
  }
  function buildSelectionRangeFromRange(view, range) {
    let anchorNode = range.startContainer, anchorOffset = range.startOffset;
    let focusNode = range.endContainer, focusOffset = range.endOffset;
    let curAnchor = view.docView.domAtPos(view.state.selection.main.anchor);
    if (isEquivalentPosition(curAnchor.node, curAnchor.offset, focusNode, focusOffset))
      [anchorNode, anchorOffset, focusNode, focusOffset] = [focusNode, focusOffset, anchorNode, anchorOffset];
    return { anchorNode, anchorOffset, focusNode, focusOffset };
  }
  function safariSelectionRangeHack(view, selection) {
    if (selection.getComposedRanges) {
      let range = selection.getComposedRanges(view.root)[0];
      if (range)
        return buildSelectionRangeFromRange(view, range);
    }
    let found = null;
    function read(event) {
      event.preventDefault();
      event.stopImmediatePropagation();
      found = event.getTargetRanges()[0];
    }
    view.contentDOM.addEventListener("beforeinput", read, true);
    view.dom.ownerDocument.execCommand("indent");
    view.contentDOM.removeEventListener("beforeinput", read, true);
    return found ? buildSelectionRangeFromRange(view, found) : null;
  }
  var EditorView = class _EditorView {
    /**
    The current editor state.
    */
    get state() {
      return this.viewState.state;
    }
    /**
    To be able to display large documents without consuming too much
    memory or overloading the browser, CodeMirror only draws the
    code that is visible (plus a margin around it) to the DOM. This
    property tells you the extent of the current drawn viewport, in
    document positions.
    */
    get viewport() {
      return this.viewState.viewport;
    }
    /**
    When there are, for example, large collapsed ranges in the
    viewport, its size can be a lot bigger than the actual visible
    content. Thus, if you are doing something like styling the
    content in the viewport, it is preferable to only do so for
    these ranges, which are the subset of the viewport that is
    actually drawn.
    */
    get visibleRanges() {
      return this.viewState.visibleRanges;
    }
    /**
    Returns false when the editor is entirely scrolled out of view
    or otherwise hidden.
    */
    get inView() {
      return this.viewState.inView;
    }
    /**
    Indicates whether the user is currently composing text via
    [IME](https://en.wikipedia.org/wiki/Input_method), and at least
    one change has been made in the current composition.
    */
    get composing() {
      return this.inputState.composing > 0;
    }
    /**
    Indicates whether the user is currently in composing state. Note
    that on some platforms, like Android, this will be the case a
    lot, since just putting the cursor on a word starts a
    composition there.
    */
    get compositionStarted() {
      return this.inputState.composing >= 0;
    }
    /**
    The document or shadow root that the view lives in.
    */
    get root() {
      return this._root;
    }
    /**
    @internal
    */
    get win() {
      return this.dom.ownerDocument.defaultView || window;
    }
    /**
    Construct a new view. You'll want to either provide a `parent`
    option, or put `view.dom` into your document after creating a
    view, so that the user can see the editor.
    */
    constructor(config2 = {}) {
      this.plugins = [];
      this.pluginMap = /* @__PURE__ */ new Map();
      this.editorAttrs = {};
      this.contentAttrs = {};
      this.bidiCache = [];
      this.destroyed = false;
      this.updateState = 2;
      this.measureScheduled = -1;
      this.measureRequests = [];
      this.contentDOM = document.createElement("div");
      this.scrollDOM = document.createElement("div");
      this.scrollDOM.tabIndex = -1;
      this.scrollDOM.className = "cm-scroller";
      this.scrollDOM.appendChild(this.contentDOM);
      this.announceDOM = document.createElement("div");
      this.announceDOM.className = "cm-announced";
      this.announceDOM.setAttribute("aria-live", "polite");
      this.dom = document.createElement("div");
      this.dom.appendChild(this.announceDOM);
      this.dom.appendChild(this.scrollDOM);
      if (config2.parent)
        config2.parent.appendChild(this.dom);
      let { dispatch } = config2;
      this.dispatchTransactions = config2.dispatchTransactions || dispatch && ((trs) => trs.forEach((tr) => dispatch(tr, this))) || ((trs) => this.update(trs));
      this.dispatch = this.dispatch.bind(this);
      this._root = config2.root || getRoot(config2.parent) || document;
      this.viewState = new ViewState(config2.state || EditorState.create(config2));
      if (config2.scrollTo && config2.scrollTo.is(scrollIntoView))
        this.viewState.scrollTarget = config2.scrollTo.value.clip(this.viewState.state);
      this.plugins = this.state.facet(viewPlugin).map((spec) => new PluginInstance(spec));
      for (let plugin of this.plugins)
        plugin.update(this);
      this.observer = new DOMObserver(this);
      this.inputState = new InputState(this);
      this.inputState.ensureHandlers(this.plugins);
      this.docView = new DocView(this);
      this.mountStyles();
      this.updateAttrs();
      this.updateState = 0;
      this.requestMeasure();
    }
    dispatch(...input) {
      let trs = input.length == 1 && input[0] instanceof Transaction ? input : input.length == 1 && Array.isArray(input[0]) ? input[0] : [this.state.update(...input)];
      this.dispatchTransactions(trs, this);
    }
    /**
    Update the view for the given array of transactions. This will
    update the visible document and selection to match the state
    produced by the transactions, and notify view plugins of the
    change. You should usually call
    [`dispatch`](https://codemirror.net/6/docs/ref/#view.EditorView.dispatch) instead, which uses this
    as a primitive.
    */
    update(transactions) {
      if (this.updateState != 0)
        throw new Error("Calls to EditorView.update are not allowed while an update is in progress");
      let redrawn = false, attrsChanged = false, update;
      let state = this.state;
      for (let tr of transactions) {
        if (tr.startState != state)
          throw new RangeError("Trying to update state with a transaction that doesn't start from the previous state.");
        state = tr.state;
      }
      if (this.destroyed) {
        this.viewState.state = state;
        return;
      }
      let focus = this.hasFocus, focusFlag = 0, dispatchFocus = null;
      if (transactions.some((tr) => tr.annotation(isFocusChange))) {
        this.inputState.notifiedFocused = focus;
        focusFlag = 1;
      } else if (focus != this.inputState.notifiedFocused) {
        this.inputState.notifiedFocused = focus;
        dispatchFocus = focusChangeTransaction(state, focus);
        if (!dispatchFocus)
          focusFlag = 1;
      }
      let pendingKey = this.observer.delayedAndroidKey, domChange = null;
      if (pendingKey) {
        this.observer.clearDelayedAndroidKey();
        domChange = this.observer.readChange();
        if (domChange && !this.state.doc.eq(state.doc) || !this.state.selection.eq(state.selection))
          domChange = null;
      } else {
        this.observer.clear();
      }
      if (state.facet(EditorState.phrases) != this.state.facet(EditorState.phrases))
        return this.setState(state);
      update = ViewUpdate.create(this, state, transactions);
      update.flags |= focusFlag;
      let scrollTarget = this.viewState.scrollTarget;
      try {
        this.updateState = 2;
        for (let tr of transactions) {
          if (scrollTarget)
            scrollTarget = scrollTarget.map(tr.changes);
          if (tr.scrollIntoView) {
            let { main } = tr.state.selection;
            scrollTarget = new ScrollTarget(main.empty ? main : EditorSelection.cursor(main.head, main.head > main.anchor ? -1 : 1));
          }
          for (let e of tr.effects)
            if (e.is(scrollIntoView))
              scrollTarget = e.value.clip(this.state);
        }
        this.viewState.update(update, scrollTarget);
        this.bidiCache = CachedOrder.update(this.bidiCache, update.changes);
        if (!update.empty) {
          this.updatePlugins(update);
          this.inputState.update(update);
        }
        redrawn = this.docView.update(update);
        if (this.state.facet(styleModule) != this.styleModules)
          this.mountStyles();
        attrsChanged = this.updateAttrs();
        this.showAnnouncements(transactions);
        this.docView.updateSelection(redrawn, transactions.some((tr) => tr.isUserEvent("select.pointer")));
      } finally {
        this.updateState = 0;
      }
      if (update.startState.facet(theme) != update.state.facet(theme))
        this.viewState.mustMeasureContent = true;
      if (redrawn || attrsChanged || scrollTarget || this.viewState.mustEnforceCursorAssoc || this.viewState.mustMeasureContent)
        this.requestMeasure();
      if (redrawn)
        this.docViewUpdate();
      if (!update.empty)
        for (let listener of this.state.facet(updateListener)) {
          try {
            listener(update);
          } catch (e) {
            logException(this.state, e, "update listener");
          }
        }
      if (dispatchFocus || domChange)
        Promise.resolve().then(() => {
          if (dispatchFocus && this.state == dispatchFocus.startState)
            this.dispatch(dispatchFocus);
          if (domChange) {
            if (!applyDOMChange(this, domChange) && pendingKey.force)
              dispatchKey(this.contentDOM, pendingKey.key, pendingKey.keyCode);
          }
        });
    }
    /**
    Reset the view to the given state. (This will cause the entire
    document to be redrawn and all view plugins to be reinitialized,
    so you should probably only use it when the new state isn't
    derived from the old state. Otherwise, use
    [`dispatch`](https://codemirror.net/6/docs/ref/#view.EditorView.dispatch) instead.)
    */
    setState(newState) {
      if (this.updateState != 0)
        throw new Error("Calls to EditorView.setState are not allowed while an update is in progress");
      if (this.destroyed) {
        this.viewState.state = newState;
        return;
      }
      this.updateState = 2;
      let hadFocus = this.hasFocus;
      try {
        for (let plugin of this.plugins)
          plugin.destroy(this);
        this.viewState = new ViewState(newState);
        this.plugins = newState.facet(viewPlugin).map((spec) => new PluginInstance(spec));
        this.pluginMap.clear();
        for (let plugin of this.plugins)
          plugin.update(this);
        this.docView.destroy();
        this.docView = new DocView(this);
        this.inputState.ensureHandlers(this.plugins);
        this.mountStyles();
        this.updateAttrs();
        this.bidiCache = [];
      } finally {
        this.updateState = 0;
      }
      if (hadFocus)
        this.focus();
      this.requestMeasure();
    }
    updatePlugins(update) {
      let prevSpecs = update.startState.facet(viewPlugin), specs = update.state.facet(viewPlugin);
      if (prevSpecs != specs) {
        let newPlugins = [];
        for (let spec of specs) {
          let found = prevSpecs.indexOf(spec);
          if (found < 0) {
            newPlugins.push(new PluginInstance(spec));
          } else {
            let plugin = this.plugins[found];
            plugin.mustUpdate = update;
            newPlugins.push(plugin);
          }
        }
        for (let plugin of this.plugins)
          if (plugin.mustUpdate != update)
            plugin.destroy(this);
        this.plugins = newPlugins;
        this.pluginMap.clear();
      } else {
        for (let p of this.plugins)
          p.mustUpdate = update;
      }
      for (let i = 0; i < this.plugins.length; i++)
        this.plugins[i].update(this);
      if (prevSpecs != specs)
        this.inputState.ensureHandlers(this.plugins);
    }
    docViewUpdate() {
      for (let plugin of this.plugins) {
        let val = plugin.value;
        if (val && val.docViewUpdate) {
          try {
            val.docViewUpdate(this);
          } catch (e) {
            logException(this.state, e, "doc view update listener");
          }
        }
      }
    }
    /**
    @internal
    */
    measure(flush = true) {
      if (this.destroyed)
        return;
      if (this.measureScheduled > -1)
        this.win.cancelAnimationFrame(this.measureScheduled);
      if (this.observer.delayedAndroidKey) {
        this.measureScheduled = -1;
        this.requestMeasure();
        return;
      }
      this.measureScheduled = 0;
      if (flush)
        this.observer.forceFlush();
      let updated = null;
      let sDOM = this.scrollDOM, scrollTop = sDOM.scrollTop * this.scaleY;
      let { scrollAnchorPos, scrollAnchorHeight } = this.viewState;
      if (Math.abs(scrollTop - this.viewState.scrollTop) > 1)
        scrollAnchorHeight = -1;
      this.viewState.scrollAnchorHeight = -1;
      try {
        for (let i = 0; ; i++) {
          if (scrollAnchorHeight < 0) {
            if (isScrolledToBottom(sDOM)) {
              scrollAnchorPos = -1;
              scrollAnchorHeight = this.viewState.heightMap.height;
            } else {
              let block = this.viewState.scrollAnchorAt(scrollTop);
              scrollAnchorPos = block.from;
              scrollAnchorHeight = block.top;
            }
          }
          this.updateState = 1;
          let changed = this.viewState.measure(this);
          if (!changed && !this.measureRequests.length && this.viewState.scrollTarget == null)
            break;
          if (i > 5) {
            console.warn(this.measureRequests.length ? "Measure loop restarted more than 5 times" : "Viewport failed to stabilize");
            break;
          }
          let measuring = [];
          if (!(changed & 4))
            [this.measureRequests, measuring] = [measuring, this.measureRequests];
          let measured = measuring.map((m) => {
            try {
              return m.read(this);
            } catch (e) {
              logException(this.state, e);
              return BadMeasure;
            }
          });
          let update = ViewUpdate.create(this, this.state, []), redrawn = false;
          update.flags |= changed;
          if (!updated)
            updated = update;
          else
            updated.flags |= changed;
          this.updateState = 2;
          if (!update.empty) {
            this.updatePlugins(update);
            this.inputState.update(update);
            this.updateAttrs();
            redrawn = this.docView.update(update);
            if (redrawn)
              this.docViewUpdate();
          }
          for (let i2 = 0; i2 < measuring.length; i2++)
            if (measured[i2] != BadMeasure) {
              try {
                let m = measuring[i2];
                if (m.write)
                  m.write(measured[i2], this);
              } catch (e) {
                logException(this.state, e);
              }
            }
          if (redrawn)
            this.docView.updateSelection(true);
          if (!update.viewportChanged && this.measureRequests.length == 0) {
            if (this.viewState.editorHeight) {
              if (this.viewState.scrollTarget) {
                this.docView.scrollIntoView(this.viewState.scrollTarget);
                this.viewState.scrollTarget = null;
                scrollAnchorHeight = -1;
                continue;
              } else {
                let newAnchorHeight = scrollAnchorPos < 0 ? this.viewState.heightMap.height : this.viewState.lineBlockAt(scrollAnchorPos).top;
                let diff = newAnchorHeight - scrollAnchorHeight;
                if (diff > 1 || diff < -1) {
                  scrollTop = scrollTop + diff;
                  sDOM.scrollTop = scrollTop / this.scaleY;
                  scrollAnchorHeight = -1;
                  continue;
                }
              }
            }
            break;
          }
        }
      } finally {
        this.updateState = 0;
        this.measureScheduled = -1;
      }
      if (updated && !updated.empty)
        for (let listener of this.state.facet(updateListener))
          listener(updated);
    }
    /**
    Get the CSS classes for the currently active editor themes.
    */
    get themeClasses() {
      return baseThemeID + " " + (this.state.facet(darkTheme) ? baseDarkID : baseLightID) + " " + this.state.facet(theme);
    }
    updateAttrs() {
      let editorAttrs = attrsFromFacet(this, editorAttributes, {
        class: "cm-editor" + (this.hasFocus ? " cm-focused " : " ") + this.themeClasses
      });
      let contentAttrs = {
        spellcheck: "false",
        autocorrect: "off",
        autocapitalize: "off",
        translate: "no",
        contenteditable: !this.state.facet(editable) ? "false" : "true",
        class: "cm-content",
        style: `${browser.tabSize}: ${this.state.tabSize}`,
        role: "textbox",
        "aria-multiline": "true"
      };
      if (this.state.readOnly)
        contentAttrs["aria-readonly"] = "true";
      attrsFromFacet(this, contentAttributes, contentAttrs);
      let changed = this.observer.ignore(() => {
        let changedContent = updateAttrs(this.contentDOM, this.contentAttrs, contentAttrs);
        let changedEditor = updateAttrs(this.dom, this.editorAttrs, editorAttrs);
        return changedContent || changedEditor;
      });
      this.editorAttrs = editorAttrs;
      this.contentAttrs = contentAttrs;
      return changed;
    }
    showAnnouncements(trs) {
      let first = true;
      for (let tr of trs)
        for (let effect of tr.effects)
          if (effect.is(_EditorView.announce)) {
            if (first)
              this.announceDOM.textContent = "";
            first = false;
            let div = this.announceDOM.appendChild(document.createElement("div"));
            div.textContent = effect.value;
          }
    }
    mountStyles() {
      this.styleModules = this.state.facet(styleModule);
      let nonce = this.state.facet(_EditorView.cspNonce);
      StyleModule.mount(this.root, this.styleModules.concat(baseTheme$1).reverse(), nonce ? { nonce } : void 0);
    }
    readMeasured() {
      if (this.updateState == 2)
        throw new Error("Reading the editor layout isn't allowed during an update");
      if (this.updateState == 0 && this.measureScheduled > -1)
        this.measure(false);
    }
    /**
    Schedule a layout measurement, optionally providing callbacks to
    do custom DOM measuring followed by a DOM write phase. Using
    this is preferable reading DOM layout directly from, for
    example, an event handler, because it'll make sure measuring and
    drawing done by other components is synchronized, avoiding
    unnecessary DOM layout computations.
    */
    requestMeasure(request) {
      if (this.measureScheduled < 0)
        this.measureScheduled = this.win.requestAnimationFrame(() => this.measure());
      if (request) {
        if (this.measureRequests.indexOf(request) > -1)
          return;
        if (request.key != null)
          for (let i = 0; i < this.measureRequests.length; i++) {
            if (this.measureRequests[i].key === request.key) {
              this.measureRequests[i] = request;
              return;
            }
          }
        this.measureRequests.push(request);
      }
    }
    /**
    Get the value of a specific plugin, if present. Note that
    plugins that crash can be dropped from a view, so even when you
    know you registered a given plugin, it is recommended to check
    the return value of this method.
    */
    plugin(plugin) {
      let known = this.pluginMap.get(plugin);
      if (known === void 0 || known && known.spec != plugin)
        this.pluginMap.set(plugin, known = this.plugins.find((p) => p.spec == plugin) || null);
      return known && known.update(this).value;
    }
    /**
    The top position of the document, in screen coordinates. This
    may be negative when the editor is scrolled down. Points
    directly to the top of the first line, not above the padding.
    */
    get documentTop() {
      return this.contentDOM.getBoundingClientRect().top + this.viewState.paddingTop;
    }
    /**
    Reports the padding above and below the document.
    */
    get documentPadding() {
      return { top: this.viewState.paddingTop, bottom: this.viewState.paddingBottom };
    }
    /**
    If the editor is transformed with CSS, this provides the scale
    along the X axis. Otherwise, it will just be 1. Note that
    transforms other than translation and scaling are not supported.
    */
    get scaleX() {
      return this.viewState.scaleX;
    }
    /**
    Provide the CSS transformed scale along the Y axis.
    */
    get scaleY() {
      return this.viewState.scaleY;
    }
    /**
    Find the text line or block widget at the given vertical
    position (which is interpreted as relative to the [top of the
    document](https://codemirror.net/6/docs/ref/#view.EditorView.documentTop)).
    */
    elementAtHeight(height) {
      this.readMeasured();
      return this.viewState.elementAtHeight(height);
    }
    /**
    Find the line block (see
    [`lineBlockAt`](https://codemirror.net/6/docs/ref/#view.EditorView.lineBlockAt) at the given
    height, again interpreted relative to the [top of the
    document](https://codemirror.net/6/docs/ref/#view.EditorView.documentTop).
    */
    lineBlockAtHeight(height) {
      this.readMeasured();
      return this.viewState.lineBlockAtHeight(height);
    }
    /**
    Get the extent and vertical position of all [line
    blocks](https://codemirror.net/6/docs/ref/#view.EditorView.lineBlockAt) in the viewport. Positions
    are relative to the [top of the
    document](https://codemirror.net/6/docs/ref/#view.EditorView.documentTop);
    */
    get viewportLineBlocks() {
      return this.viewState.viewportLines;
    }
    /**
    Find the line block around the given document position. A line
    block is a range delimited on both sides by either a
    non-[hidden](https://codemirror.net/6/docs/ref/#view.Decoration^replace) line breaks, or the
    start/end of the document. It will usually just hold a line of
    text, but may be broken into multiple textblocks by block
    widgets.
    */
    lineBlockAt(pos) {
      return this.viewState.lineBlockAt(pos);
    }
    /**
    The editor's total content height.
    */
    get contentHeight() {
      return this.viewState.contentHeight;
    }
    /**
    Move a cursor position by [grapheme
    cluster](https://codemirror.net/6/docs/ref/#state.findClusterBreak). `forward` determines whether
    the motion is away from the line start, or towards it. In
    bidirectional text, the line is traversed in visual order, using
    the editor's [text direction](https://codemirror.net/6/docs/ref/#view.EditorView.textDirection).
    When the start position was the last one on the line, the
    returned position will be across the line break. If there is no
    further line, the original position is returned.
    
    By default, this method moves over a single cluster. The
    optional `by` argument can be used to move across more. It will
    be called with the first cluster as argument, and should return
    a predicate that determines, for each subsequent cluster,
    whether it should also be moved over.
    */
    moveByChar(start, forward, by) {
      return skipAtoms(this, start, moveByChar(this, start, forward, by));
    }
    /**
    Move a cursor position across the next group of either
    [letters](https://codemirror.net/6/docs/ref/#state.EditorState.charCategorizer) or non-letter
    non-whitespace characters.
    */
    moveByGroup(start, forward) {
      return skipAtoms(this, start, moveByChar(this, start, forward, (initial) => byGroup(this, start.head, initial)));
    }
    /**
    Get the cursor position visually at the start or end of a line.
    Note that this may differ from the _logical_ position at its
    start or end (which is simply at `line.from`/`line.to`) if text
    at the start or end goes against the line's base text direction.
    */
    visualLineSide(line, end) {
      let order = this.bidiSpans(line), dir = this.textDirectionAt(line.from);
      let span = order[end ? order.length - 1 : 0];
      return EditorSelection.cursor(span.side(end, dir) + line.from, span.forward(!end, dir) ? 1 : -1);
    }
    /**
    Move to the next line boundary in the given direction. If
    `includeWrap` is true, line wrapping is on, and there is a
    further wrap point on the current line, the wrap point will be
    returned. Otherwise this function will return the start or end
    of the line.
    */
    moveToLineBoundary(start, forward, includeWrap = true) {
      return moveToLineBoundary(this, start, forward, includeWrap);
    }
    /**
    Move a cursor position vertically. When `distance` isn't given,
    it defaults to moving to the next line (including wrapped
    lines). Otherwise, `distance` should provide a positive distance
    in pixels.
    
    When `start` has a
    [`goalColumn`](https://codemirror.net/6/docs/ref/#state.SelectionRange.goalColumn), the vertical
    motion will use that as a target horizontal position. Otherwise,
    the cursor's own horizontal position is used. The returned
    cursor will have its goal column set to whichever column was
    used.
    */
    moveVertically(start, forward, distance) {
      return skipAtoms(this, start, moveVertically(this, start, forward, distance));
    }
    /**
    Find the DOM parent node and offset (child offset if `node` is
    an element, character offset when it is a text node) at the
    given document position.
    
    Note that for positions that aren't currently in
    `visibleRanges`, the resulting DOM position isn't necessarily
    meaningful (it may just point before or after a placeholder
    element).
    */
    domAtPos(pos) {
      return this.docView.domAtPos(pos);
    }
    /**
    Find the document position at the given DOM node. Can be useful
    for associating positions with DOM events. Will raise an error
    when `node` isn't part of the editor content.
    */
    posAtDOM(node, offset = 0) {
      return this.docView.posFromDOM(node, offset);
    }
    posAtCoords(coords, precise = true) {
      this.readMeasured();
      return posAtCoords(this, coords, precise);
    }
    /**
    Get the screen coordinates at the given document position.
    `side` determines whether the coordinates are based on the
    element before (-1) or after (1) the position (if no element is
    available on the given side, the method will transparently use
    another strategy to get reasonable coordinates).
    */
    coordsAtPos(pos, side = 1) {
      this.readMeasured();
      let rect = this.docView.coordsAt(pos, side);
      if (!rect || rect.left == rect.right)
        return rect;
      let line = this.state.doc.lineAt(pos), order = this.bidiSpans(line);
      let span = order[BidiSpan.find(order, pos - line.from, -1, side)];
      return flattenRect(rect, span.dir == Direction.LTR == side > 0);
    }
    /**
    Return the rectangle around a given character. If `pos` does not
    point in front of a character that is in the viewport and
    rendered (i.e. not replaced, not a line break), this will return
    null. For space characters that are a line wrap point, this will
    return the position before the line break.
    */
    coordsForChar(pos) {
      this.readMeasured();
      return this.docView.coordsForChar(pos);
    }
    /**
    The default width of a character in the editor. May not
    accurately reflect the width of all characters (given variable
    width fonts or styling of invididual ranges).
    */
    get defaultCharacterWidth() {
      return this.viewState.heightOracle.charWidth;
    }
    /**
    The default height of a line in the editor. May not be accurate
    for all lines.
    */
    get defaultLineHeight() {
      return this.viewState.heightOracle.lineHeight;
    }
    /**
    The text direction
    ([`direction`](https://developer.mozilla.org/en-US/docs/Web/CSS/direction)
    CSS property) of the editor's content element.
    */
    get textDirection() {
      return this.viewState.defaultTextDirection;
    }
    /**
    Find the text direction of the block at the given position, as
    assigned by CSS. If
    [`perLineTextDirection`](https://codemirror.net/6/docs/ref/#view.EditorView^perLineTextDirection)
    isn't enabled, or the given position is outside of the viewport,
    this will always return the same as
    [`textDirection`](https://codemirror.net/6/docs/ref/#view.EditorView.textDirection). Note that
    this may trigger a DOM layout.
    */
    textDirectionAt(pos) {
      let perLine = this.state.facet(perLineTextDirection);
      if (!perLine || pos < this.viewport.from || pos > this.viewport.to)
        return this.textDirection;
      this.readMeasured();
      return this.docView.textDirectionAt(pos);
    }
    /**
    Whether this editor [wraps lines](https://codemirror.net/6/docs/ref/#view.EditorView.lineWrapping)
    (as determined by the
    [`white-space`](https://developer.mozilla.org/en-US/docs/Web/CSS/white-space)
    CSS property of its content element).
    */
    get lineWrapping() {
      return this.viewState.heightOracle.lineWrapping;
    }
    /**
    Returns the bidirectional text structure of the given line
    (which should be in the current document) as an array of span
    objects. The order of these spans matches the [text
    direction](https://codemirror.net/6/docs/ref/#view.EditorView.textDirection)—if that is
    left-to-right, the leftmost spans come first, otherwise the
    rightmost spans come first.
    */
    bidiSpans(line) {
      if (line.length > MaxBidiLine)
        return trivialOrder(line.length);
      let dir = this.textDirectionAt(line.from), isolates;
      for (let entry of this.bidiCache) {
        if (entry.from == line.from && entry.dir == dir && (entry.fresh || isolatesEq(entry.isolates, isolates = getIsolatedRanges(this, line))))
          return entry.order;
      }
      if (!isolates)
        isolates = getIsolatedRanges(this, line);
      let order = computeOrder(line.text, dir, isolates);
      this.bidiCache.push(new CachedOrder(line.from, line.to, dir, isolates, true, order));
      return order;
    }
    /**
    Check whether the editor has focus.
    */
    get hasFocus() {
      var _a2;
      return (this.dom.ownerDocument.hasFocus() || browser.safari && ((_a2 = this.inputState) === null || _a2 === void 0 ? void 0 : _a2.lastContextMenu) > Date.now() - 3e4) && this.root.activeElement == this.contentDOM;
    }
    /**
    Put focus on the editor.
    */
    focus() {
      this.observer.ignore(() => {
        focusPreventScroll(this.contentDOM);
        this.docView.updateSelection();
      });
    }
    /**
    Update the [root](https://codemirror.net/6/docs/ref/##view.EditorViewConfig.root) in which the editor lives. This is only
    necessary when moving the editor's existing DOM to a new window or shadow root.
    */
    setRoot(root) {
      if (this._root != root) {
        this._root = root;
        this.observer.setWindow((root.nodeType == 9 ? root : root.ownerDocument).defaultView || window);
        this.mountStyles();
      }
    }
    /**
    Clean up this editor view, removing its element from the
    document, unregistering event handlers, and notifying
    plugins. The view instance can no longer be used after
    calling this.
    */
    destroy() {
      for (let plugin of this.plugins)
        plugin.destroy(this);
      this.plugins = [];
      this.inputState.destroy();
      this.docView.destroy();
      this.dom.remove();
      this.observer.destroy();
      if (this.measureScheduled > -1)
        this.win.cancelAnimationFrame(this.measureScheduled);
      this.destroyed = true;
    }
    /**
    Returns an effect that can be
    [added](https://codemirror.net/6/docs/ref/#state.TransactionSpec.effects) to a transaction to
    cause it to scroll the given position or range into view.
    */
    static scrollIntoView(pos, options = {}) {
      return scrollIntoView.of(new ScrollTarget(typeof pos == "number" ? EditorSelection.cursor(pos) : pos, options.y, options.x, options.yMargin, options.xMargin));
    }
    /**
    Return an effect that resets the editor to its current (at the
    time this method was called) scroll position. Note that this
    only affects the editor's own scrollable element, not parents.
    See also
    [`EditorViewConfig.scrollTo`](https://codemirror.net/6/docs/ref/#view.EditorViewConfig.scrollTo).
    
    The effect should be used with a document identical to the one
    it was created for. Failing to do so is not an error, but may
    not scroll to the expected position. You can
    [map](https://codemirror.net/6/docs/ref/#state.StateEffect.map) the effect to account for changes.
    */
    scrollSnapshot() {
      let { scrollTop, scrollLeft } = this.scrollDOM;
      let ref = this.viewState.scrollAnchorAt(scrollTop);
      return scrollIntoView.of(new ScrollTarget(EditorSelection.cursor(ref.from), "start", "start", ref.top - scrollTop, scrollLeft, true));
    }
    /**
    Returns an extension that can be used to add DOM event handlers.
    The value should be an object mapping event names to handler
    functions. For any given event, such functions are ordered by
    extension precedence, and the first handler to return true will
    be assumed to have handled that event, and no other handlers or
    built-in behavior will be activated for it. These are registered
    on the [content element](https://codemirror.net/6/docs/ref/#view.EditorView.contentDOM), except
    for `scroll` handlers, which will be called any time the
    editor's [scroll element](https://codemirror.net/6/docs/ref/#view.EditorView.scrollDOM) or one of
    its parent nodes is scrolled.
    */
    static domEventHandlers(handlers2) {
      return ViewPlugin.define(() => ({}), { eventHandlers: handlers2 });
    }
    /**
    Create an extension that registers DOM event observers. Contrary
    to event [handlers](https://codemirror.net/6/docs/ref/#view.EditorView^domEventHandlers),
    observers can't be prevented from running by a higher-precedence
    handler returning true. They also don't prevent other handlers
    and observers from running when they return true, and should not
    call `preventDefault`.
    */
    static domEventObservers(observers2) {
      return ViewPlugin.define(() => ({}), { eventObservers: observers2 });
    }
    /**
    Create a theme extension. The first argument can be a
    [`style-mod`](https://github.com/marijnh/style-mod#documentation)
    style spec providing the styles for the theme. These will be
    prefixed with a generated class for the style.
    
    Because the selectors will be prefixed with a scope class, rule
    that directly match the editor's [wrapper
    element](https://codemirror.net/6/docs/ref/#view.EditorView.dom)—to which the scope class will be
    added—need to be explicitly differentiated by adding an `&` to
    the selector for that element—for example
    `&.cm-focused`.
    
    When `dark` is set to true, the theme will be marked as dark,
    which will cause the `&dark` rules from [base
    themes](https://codemirror.net/6/docs/ref/#view.EditorView^baseTheme) to be used (as opposed to
    `&light` when a light theme is active).
    */
    static theme(spec, options) {
      let prefix = StyleModule.newName();
      let result = [theme.of(prefix), styleModule.of(buildTheme(`.${prefix}`, spec))];
      if (options && options.dark)
        result.push(darkTheme.of(true));
      return result;
    }
    /**
    Create an extension that adds styles to the base theme. Like
    with [`theme`](https://codemirror.net/6/docs/ref/#view.EditorView^theme), use `&` to indicate the
    place of the editor wrapper element when directly targeting
    that. You can also use `&dark` or `&light` instead to only
    target editors with a dark or light theme.
    */
    static baseTheme(spec) {
      return Prec.lowest(styleModule.of(buildTheme("." + baseThemeID, spec, lightDarkIDs)));
    }
    /**
    Retrieve an editor view instance from the view's DOM
    representation.
    */
    static findFromDOM(dom) {
      var _a2;
      let content2 = dom.querySelector(".cm-content");
      let cView = content2 && ContentView.get(content2) || ContentView.get(dom);
      return ((_a2 = cView === null || cView === void 0 ? void 0 : cView.rootView) === null || _a2 === void 0 ? void 0 : _a2.view) || null;
    }
  };
  EditorView.styleModule = styleModule;
  EditorView.inputHandler = inputHandler;
  EditorView.scrollHandler = scrollHandler;
  EditorView.focusChangeEffect = focusChangeEffect;
  EditorView.perLineTextDirection = perLineTextDirection;
  EditorView.exceptionSink = exceptionSink;
  EditorView.updateListener = updateListener;
  EditorView.editable = editable;
  EditorView.mouseSelectionStyle = mouseSelectionStyle;
  EditorView.dragMovesSelection = dragMovesSelection$1;
  EditorView.clickAddsSelectionRange = clickAddsSelectionRange;
  EditorView.decorations = decorations;
  EditorView.outerDecorations = outerDecorations;
  EditorView.atomicRanges = atomicRanges;
  EditorView.bidiIsolatedRanges = bidiIsolatedRanges;
  EditorView.scrollMargins = scrollMargins;
  EditorView.darkTheme = darkTheme;
  EditorView.cspNonce = /* @__PURE__ */ Facet.define({ combine: (values2) => values2.length ? values2[0] : "" });
  EditorView.contentAttributes = contentAttributes;
  EditorView.editorAttributes = editorAttributes;
  EditorView.lineWrapping = /* @__PURE__ */ EditorView.contentAttributes.of({ "class": "cm-lineWrapping" });
  EditorView.announce = /* @__PURE__ */ StateEffect.define();
  var MaxBidiLine = 4096;
  var BadMeasure = {};
  var CachedOrder = class _CachedOrder {
    constructor(from, to, dir, isolates, fresh, order) {
      this.from = from;
      this.to = to;
      this.dir = dir;
      this.isolates = isolates;
      this.fresh = fresh;
      this.order = order;
    }
    static update(cache2, changes) {
      if (changes.empty && !cache2.some((c) => c.fresh))
        return cache2;
      let result = [], lastDir = cache2.length ? cache2[cache2.length - 1].dir : Direction.LTR;
      for (let i = Math.max(0, cache2.length - 10); i < cache2.length; i++) {
        let entry = cache2[i];
        if (entry.dir == lastDir && !changes.touchesRange(entry.from, entry.to))
          result.push(new _CachedOrder(changes.mapPos(entry.from, 1), changes.mapPos(entry.to, -1), entry.dir, entry.isolates, false, entry.order));
      }
      return result;
    }
  };
  function attrsFromFacet(view, facet, base2) {
    for (let sources = view.state.facet(facet), i = sources.length - 1; i >= 0; i--) {
      let source = sources[i], value = typeof source == "function" ? source(view) : source;
      if (value)
        combineAttrs(value, base2);
    }
    return base2;
  }
  var currentPlatform = browser.mac ? "mac" : browser.windows ? "win" : browser.linux ? "linux" : "key";
  function normalizeKeyName(name2, platform) {
    const parts = name2.split(/-(?!$)/);
    let result = parts[parts.length - 1];
    if (result == "Space")
      result = " ";
    let alt, ctrl, shift2, meta2;
    for (let i = 0; i < parts.length - 1; ++i) {
      const mod = parts[i];
      if (/^(cmd|meta|m)$/i.test(mod))
        meta2 = true;
      else if (/^a(lt)?$/i.test(mod))
        alt = true;
      else if (/^(c|ctrl|control)$/i.test(mod))
        ctrl = true;
      else if (/^s(hift)?$/i.test(mod))
        shift2 = true;
      else if (/^mod$/i.test(mod)) {
        if (platform == "mac")
          meta2 = true;
        else
          ctrl = true;
      } else
        throw new Error("Unrecognized modifier name: " + mod);
    }
    if (alt)
      result = "Alt-" + result;
    if (ctrl)
      result = "Ctrl-" + result;
    if (meta2)
      result = "Meta-" + result;
    if (shift2)
      result = "Shift-" + result;
    return result;
  }
  function modifiers(name2, event, shift2) {
    if (event.altKey)
      name2 = "Alt-" + name2;
    if (event.ctrlKey)
      name2 = "Ctrl-" + name2;
    if (event.metaKey)
      name2 = "Meta-" + name2;
    if (shift2 !== false && event.shiftKey)
      name2 = "Shift-" + name2;
    return name2;
  }
  var handleKeyEvents = /* @__PURE__ */ Prec.default(/* @__PURE__ */ EditorView.domEventHandlers({
    keydown(event, view) {
      return runHandlers(getKeymap(view.state), event, view, "editor");
    }
  }));
  var keymap = /* @__PURE__ */ Facet.define({ enables: handleKeyEvents });
  var Keymaps = /* @__PURE__ */ new WeakMap();
  function getKeymap(state) {
    let bindings = state.facet(keymap);
    let map = Keymaps.get(bindings);
    if (!map)
      Keymaps.set(bindings, map = buildKeymap(bindings.reduce((a, b) => a.concat(b), [])));
    return map;
  }
  function runScopeHandlers(view, event, scope) {
    return runHandlers(getKeymap(view.state), event, view, scope);
  }
  var storedPrefix = null;
  var PrefixTimeout = 4e3;
  function buildKeymap(bindings, platform = currentPlatform) {
    let bound = /* @__PURE__ */ Object.create(null);
    let isPrefix = /* @__PURE__ */ Object.create(null);
    let checkPrefix = (name2, is) => {
      let current = isPrefix[name2];
      if (current == null)
        isPrefix[name2] = is;
      else if (current != is)
        throw new Error("Key binding " + name2 + " is used both as a regular binding and as a multi-stroke prefix");
    };
    let add2 = (scope, key, command2, preventDefault, stopPropagation) => {
      var _a2, _b;
      let scopeObj = bound[scope] || (bound[scope] = /* @__PURE__ */ Object.create(null));
      let parts = key.split(/ (?!$)/).map((k) => normalizeKeyName(k, platform));
      for (let i = 1; i < parts.length; i++) {
        let prefix = parts.slice(0, i).join(" ");
        checkPrefix(prefix, true);
        if (!scopeObj[prefix])
          scopeObj[prefix] = {
            preventDefault: true,
            stopPropagation: false,
            run: [(view) => {
              let ourObj = storedPrefix = { view, prefix, scope };
              setTimeout(() => {
                if (storedPrefix == ourObj)
                  storedPrefix = null;
              }, PrefixTimeout);
              return true;
            }]
          };
      }
      let full = parts.join(" ");
      checkPrefix(full, false);
      let binding = scopeObj[full] || (scopeObj[full] = {
        preventDefault: false,
        stopPropagation: false,
        run: ((_b = (_a2 = scopeObj._any) === null || _a2 === void 0 ? void 0 : _a2.run) === null || _b === void 0 ? void 0 : _b.slice()) || []
      });
      if (command2)
        binding.run.push(command2);
      if (preventDefault)
        binding.preventDefault = true;
      if (stopPropagation)
        binding.stopPropagation = true;
    };
    for (let b of bindings) {
      let scopes = b.scope ? b.scope.split(" ") : ["editor"];
      if (b.any)
        for (let scope of scopes) {
          let scopeObj = bound[scope] || (bound[scope] = /* @__PURE__ */ Object.create(null));
          if (!scopeObj._any)
            scopeObj._any = { preventDefault: false, stopPropagation: false, run: [] };
          for (let key in scopeObj)
            scopeObj[key].run.push(b.any);
        }
      let name2 = b[platform] || b.key;
      if (!name2)
        continue;
      for (let scope of scopes) {
        add2(scope, name2, b.run, b.preventDefault, b.stopPropagation);
        if (b.shift)
          add2(scope, "Shift-" + name2, b.shift, b.preventDefault, b.stopPropagation);
      }
    }
    return bound;
  }
  function runHandlers(map, event, view, scope) {
    let name2 = keyName(event);
    let charCode = codePointAt(name2, 0), isChar = codePointSize(charCode) == name2.length && name2 != " ";
    let prefix = "", handled = false, prevented = false, stopPropagation = false;
    if (storedPrefix && storedPrefix.view == view && storedPrefix.scope == scope) {
      prefix = storedPrefix.prefix + " ";
      if (modifierCodes.indexOf(event.keyCode) < 0) {
        prevented = true;
        storedPrefix = null;
      }
    }
    let ran = /* @__PURE__ */ new Set();
    let runFor = (binding) => {
      if (binding) {
        for (let cmd2 of binding.run)
          if (!ran.has(cmd2)) {
            ran.add(cmd2);
            if (cmd2(view, event)) {
              if (binding.stopPropagation)
                stopPropagation = true;
              return true;
            }
          }
        if (binding.preventDefault) {
          if (binding.stopPropagation)
            stopPropagation = true;
          prevented = true;
        }
      }
      return false;
    };
    let scopeObj = map[scope], baseName, shiftName;
    if (scopeObj) {
      if (runFor(scopeObj[prefix + modifiers(name2, event, !isChar)])) {
        handled = true;
      } else if (isChar && (event.altKey || event.metaKey || event.ctrlKey) && // Ctrl-Alt may be used for AltGr on Windows
      !(browser.windows && event.ctrlKey && event.altKey) && (baseName = base[event.keyCode]) && baseName != name2) {
        if (runFor(scopeObj[prefix + modifiers(baseName, event, true)])) {
          handled = true;
        } else if (event.shiftKey && (shiftName = shift[event.keyCode]) != name2 && shiftName != baseName && runFor(scopeObj[prefix + modifiers(shiftName, event, false)])) {
          handled = true;
        }
      } else if (isChar && event.shiftKey && runFor(scopeObj[prefix + modifiers(name2, event, true)])) {
        handled = true;
      }
      if (!handled && runFor(scopeObj._any))
        handled = true;
    }
    if (prevented)
      handled = true;
    if (handled && stopPropagation)
      event.stopPropagation();
    return handled;
  }
  var RectangleMarker = class _RectangleMarker {
    /**
    Create a marker with the given class and dimensions. If `width`
    is null, the DOM element will get no width style.
    */
    constructor(className, left, top2, width, height) {
      this.className = className;
      this.left = left;
      this.top = top2;
      this.width = width;
      this.height = height;
    }
    draw() {
      let elt2 = document.createElement("div");
      elt2.className = this.className;
      this.adjust(elt2);
      return elt2;
    }
    update(elt2, prev) {
      if (prev.className != this.className)
        return false;
      this.adjust(elt2);
      return true;
    }
    adjust(elt2) {
      elt2.style.left = this.left + "px";
      elt2.style.top = this.top + "px";
      if (this.width != null)
        elt2.style.width = this.width + "px";
      elt2.style.height = this.height + "px";
    }
    eq(p) {
      return this.left == p.left && this.top == p.top && this.width == p.width && this.height == p.height && this.className == p.className;
    }
    /**
    Create a set of rectangles for the given selection range,
    assigning them theclass`className`. Will create a single
    rectangle for empty ranges, and a set of selection-style
    rectangles covering the range's content (in a bidi-aware
    way) for non-empty ones.
    */
    static forRange(view, className, range) {
      if (range.empty) {
        let pos = view.coordsAtPos(range.head, range.assoc || 1);
        if (!pos)
          return [];
        let base2 = getBase(view);
        return [new _RectangleMarker(className, pos.left - base2.left, pos.top - base2.top, null, pos.bottom - pos.top)];
      } else {
        return rectanglesForRange(view, className, range);
      }
    }
  };
  function getBase(view) {
    let rect = view.scrollDOM.getBoundingClientRect();
    let left = view.textDirection == Direction.LTR ? rect.left : rect.right - view.scrollDOM.clientWidth * view.scaleX;
    return { left: left - view.scrollDOM.scrollLeft * view.scaleX, top: rect.top - view.scrollDOM.scrollTop * view.scaleY };
  }
  function wrappedLine(view, pos, inside2) {
    let range = EditorSelection.cursor(pos);
    return {
      from: Math.max(inside2.from, view.moveToLineBoundary(range, false, true).from),
      to: Math.min(inside2.to, view.moveToLineBoundary(range, true, true).from),
      type: BlockType.Text
    };
  }
  function rectanglesForRange(view, className, range) {
    if (range.to <= view.viewport.from || range.from >= view.viewport.to)
      return [];
    let from = Math.max(range.from, view.viewport.from), to = Math.min(range.to, view.viewport.to);
    let ltr = view.textDirection == Direction.LTR;
    let content2 = view.contentDOM, contentRect = content2.getBoundingClientRect(), base2 = getBase(view);
    let lineElt = content2.querySelector(".cm-line"), lineStyle = lineElt && window.getComputedStyle(lineElt);
    let leftSide = contentRect.left + (lineStyle ? parseInt(lineStyle.paddingLeft) + Math.min(0, parseInt(lineStyle.textIndent)) : 0);
    let rightSide = contentRect.right - (lineStyle ? parseInt(lineStyle.paddingRight) : 0);
    let startBlock = blockAt(view, from), endBlock = blockAt(view, to);
    let visualStart = startBlock.type == BlockType.Text ? startBlock : null;
    let visualEnd = endBlock.type == BlockType.Text ? endBlock : null;
    if (visualStart && (view.lineWrapping || startBlock.widgetLineBreaks))
      visualStart = wrappedLine(view, from, visualStart);
    if (visualEnd && (view.lineWrapping || endBlock.widgetLineBreaks))
      visualEnd = wrappedLine(view, to, visualEnd);
    if (visualStart && visualEnd && visualStart.from == visualEnd.from) {
      return pieces(drawForLine(range.from, range.to, visualStart));
    } else {
      let top2 = visualStart ? drawForLine(range.from, null, visualStart) : drawForWidget(startBlock, false);
      let bottom = visualEnd ? drawForLine(null, range.to, visualEnd) : drawForWidget(endBlock, true);
      let between = [];
      if ((visualStart || startBlock).to < (visualEnd || endBlock).from - (visualStart && visualEnd ? 1 : 0) || startBlock.widgetLineBreaks > 1 && top2.bottom + view.defaultLineHeight / 2 < bottom.top)
        between.push(piece(leftSide, top2.bottom, rightSide, bottom.top));
      else if (top2.bottom < bottom.top && view.elementAtHeight((top2.bottom + bottom.top) / 2).type == BlockType.Text)
        top2.bottom = bottom.top = (top2.bottom + bottom.top) / 2;
      return pieces(top2).concat(between).concat(pieces(bottom));
    }
    function piece(left, top2, right, bottom) {
      return new RectangleMarker(
        className,
        left - base2.left,
        top2 - base2.top - 0.01,
        right - left,
        bottom - top2 + 0.01
        /* C.Epsilon */
      );
    }
    function pieces({ top: top2, bottom, horizontal }) {
      let pieces2 = [];
      for (let i = 0; i < horizontal.length; i += 2)
        pieces2.push(piece(horizontal[i], top2, horizontal[i + 1], bottom));
      return pieces2;
    }
    function drawForLine(from2, to2, line) {
      let top2 = 1e9, bottom = -1e9, horizontal = [];
      function addSpan(from3, fromOpen, to3, toOpen, dir) {
        let fromCoords = view.coordsAtPos(from3, from3 == line.to ? -2 : 2);
        let toCoords = view.coordsAtPos(to3, to3 == line.from ? 2 : -2);
        if (!fromCoords || !toCoords)
          return;
        top2 = Math.min(fromCoords.top, toCoords.top, top2);
        bottom = Math.max(fromCoords.bottom, toCoords.bottom, bottom);
        if (dir == Direction.LTR)
          horizontal.push(ltr && fromOpen ? leftSide : fromCoords.left, ltr && toOpen ? rightSide : toCoords.right);
        else
          horizontal.push(!ltr && toOpen ? leftSide : toCoords.left, !ltr && fromOpen ? rightSide : fromCoords.right);
      }
      let start = from2 !== null && from2 !== void 0 ? from2 : line.from, end = to2 !== null && to2 !== void 0 ? to2 : line.to;
      for (let r of view.visibleRanges)
        if (r.to > start && r.from < end) {
          for (let pos = Math.max(r.from, start), endPos = Math.min(r.to, end); ; ) {
            let docLine = view.state.doc.lineAt(pos);
            for (let span of view.bidiSpans(docLine)) {
              let spanFrom = span.from + docLine.from, spanTo = span.to + docLine.from;
              if (spanFrom >= endPos)
                break;
              if (spanTo > pos)
                addSpan(Math.max(spanFrom, pos), from2 == null && spanFrom <= start, Math.min(spanTo, endPos), to2 == null && spanTo >= end, span.dir);
            }
            pos = docLine.to + 1;
            if (pos >= endPos)
              break;
          }
        }
      if (horizontal.length == 0)
        addSpan(start, from2 == null, end, to2 == null, view.textDirection);
      return { top: top2, bottom, horizontal };
    }
    function drawForWidget(block, top2) {
      let y = contentRect.top + (top2 ? block.top : block.bottom);
      return { top: y, bottom: y, horizontal: [] };
    }
  }
  function sameMarker(a, b) {
    return a.constructor == b.constructor && a.eq(b);
  }
  var LayerView = class {
    constructor(view, layer2) {
      this.view = view;
      this.layer = layer2;
      this.drawn = [];
      this.scaleX = 1;
      this.scaleY = 1;
      this.measureReq = { read: this.measure.bind(this), write: this.draw.bind(this) };
      this.dom = view.scrollDOM.appendChild(document.createElement("div"));
      this.dom.classList.add("cm-layer");
      if (layer2.above)
        this.dom.classList.add("cm-layer-above");
      if (layer2.class)
        this.dom.classList.add(layer2.class);
      this.scale();
      this.dom.setAttribute("aria-hidden", "true");
      this.setOrder(view.state);
      view.requestMeasure(this.measureReq);
      if (layer2.mount)
        layer2.mount(this.dom, view);
    }
    update(update) {
      if (update.startState.facet(layerOrder) != update.state.facet(layerOrder))
        this.setOrder(update.state);
      if (this.layer.update(update, this.dom) || update.geometryChanged) {
        this.scale();
        update.view.requestMeasure(this.measureReq);
      }
    }
    docViewUpdate(view) {
      if (this.layer.updateOnDocViewUpdate !== false)
        view.requestMeasure(this.measureReq);
    }
    setOrder(state) {
      let pos = 0, order = state.facet(layerOrder);
      while (pos < order.length && order[pos] != this.layer)
        pos++;
      this.dom.style.zIndex = String((this.layer.above ? 150 : -1) - pos);
    }
    measure() {
      return this.layer.markers(this.view);
    }
    scale() {
      let { scaleX, scaleY } = this.view;
      if (scaleX != this.scaleX || scaleY != this.scaleY) {
        this.scaleX = scaleX;
        this.scaleY = scaleY;
        this.dom.style.transform = `scale(${1 / scaleX}, ${1 / scaleY})`;
      }
    }
    draw(markers) {
      if (markers.length != this.drawn.length || markers.some((p, i) => !sameMarker(p, this.drawn[i]))) {
        let old = this.dom.firstChild, oldI = 0;
        for (let marker of markers) {
          if (marker.update && old && marker.constructor && this.drawn[oldI].constructor && marker.update(old, this.drawn[oldI])) {
            old = old.nextSibling;
            oldI++;
          } else {
            this.dom.insertBefore(marker.draw(), old);
          }
        }
        while (old) {
          let next = old.nextSibling;
          old.remove();
          old = next;
        }
        this.drawn = markers;
      }
    }
    destroy() {
      if (this.layer.destroy)
        this.layer.destroy(this.dom, this.view);
      this.dom.remove();
    }
  };
  var layerOrder = /* @__PURE__ */ Facet.define();
  function layer(config2) {
    return [
      ViewPlugin.define((v) => new LayerView(v, config2)),
      layerOrder.of(config2)
    ];
  }
  var CanHidePrimary = !browser.ios;
  var selectionConfig = /* @__PURE__ */ Facet.define({
    combine(configs) {
      return combineConfig(configs, {
        cursorBlinkRate: 1200,
        drawRangeCursor: true
      }, {
        cursorBlinkRate: (a, b) => Math.min(a, b),
        drawRangeCursor: (a, b) => a || b
      });
    }
  });
  function drawSelection(config2 = {}) {
    return [
      selectionConfig.of(config2),
      cursorLayer,
      selectionLayer,
      hideNativeSelection,
      nativeSelectionHidden.of(true)
    ];
  }
  function configChanged(update) {
    return update.startState.facet(selectionConfig) != update.state.facet(selectionConfig);
  }
  var cursorLayer = /* @__PURE__ */ layer({
    above: true,
    markers(view) {
      let { state } = view, conf = state.facet(selectionConfig);
      let cursors = [];
      for (let r of state.selection.ranges) {
        let prim = r == state.selection.main;
        if (r.empty ? !prim || CanHidePrimary : conf.drawRangeCursor) {
          let className = prim ? "cm-cursor cm-cursor-primary" : "cm-cursor cm-cursor-secondary";
          let cursor = r.empty ? r : EditorSelection.cursor(r.head, r.head > r.anchor ? -1 : 1);
          for (let piece of RectangleMarker.forRange(view, className, cursor))
            cursors.push(piece);
        }
      }
      return cursors;
    },
    update(update, dom) {
      if (update.transactions.some((tr) => tr.selection))
        dom.style.animationName = dom.style.animationName == "cm-blink" ? "cm-blink2" : "cm-blink";
      let confChange = configChanged(update);
      if (confChange)
        setBlinkRate(update.state, dom);
      return update.docChanged || update.selectionSet || confChange;
    },
    mount(dom, view) {
      setBlinkRate(view.state, dom);
    },
    class: "cm-cursorLayer"
  });
  function setBlinkRate(state, dom) {
    dom.style.animationDuration = state.facet(selectionConfig).cursorBlinkRate + "ms";
  }
  var selectionLayer = /* @__PURE__ */ layer({
    above: false,
    markers(view) {
      return view.state.selection.ranges.map((r) => r.empty ? [] : RectangleMarker.forRange(view, "cm-selectionBackground", r)).reduce((a, b) => a.concat(b));
    },
    update(update, dom) {
      return update.docChanged || update.selectionSet || update.viewportChanged || configChanged(update);
    },
    class: "cm-selectionLayer"
  });
  var themeSpec = {
    ".cm-line": {
      "& ::selection": { backgroundColor: "transparent !important" },
      "&::selection": { backgroundColor: "transparent !important" }
    }
  };
  if (CanHidePrimary) {
    themeSpec[".cm-line"].caretColor = "transparent !important";
    themeSpec[".cm-content"] = { caretColor: "transparent !important" };
  }
  var hideNativeSelection = /* @__PURE__ */ Prec.highest(/* @__PURE__ */ EditorView.theme(themeSpec));
  var setDropCursorPos = /* @__PURE__ */ StateEffect.define({
    map(pos, mapping) {
      return pos == null ? null : mapping.mapPos(pos);
    }
  });
  var dropCursorPos = /* @__PURE__ */ StateField.define({
    create() {
      return null;
    },
    update(pos, tr) {
      if (pos != null)
        pos = tr.changes.mapPos(pos);
      return tr.effects.reduce((pos2, e) => e.is(setDropCursorPos) ? e.value : pos2, pos);
    }
  });
  var drawDropCursor = /* @__PURE__ */ ViewPlugin.fromClass(class {
    constructor(view) {
      this.view = view;
      this.cursor = null;
      this.measureReq = { read: this.readPos.bind(this), write: this.drawCursor.bind(this) };
    }
    update(update) {
      var _a2;
      let cursorPos = update.state.field(dropCursorPos);
      if (cursorPos == null) {
        if (this.cursor != null) {
          (_a2 = this.cursor) === null || _a2 === void 0 ? void 0 : _a2.remove();
          this.cursor = null;
        }
      } else {
        if (!this.cursor) {
          this.cursor = this.view.scrollDOM.appendChild(document.createElement("div"));
          this.cursor.className = "cm-dropCursor";
        }
        if (update.startState.field(dropCursorPos) != cursorPos || update.docChanged || update.geometryChanged)
          this.view.requestMeasure(this.measureReq);
      }
    }
    readPos() {
      let { view } = this;
      let pos = view.state.field(dropCursorPos);
      let rect = pos != null && view.coordsAtPos(pos);
      if (!rect)
        return null;
      let outer = view.scrollDOM.getBoundingClientRect();
      return {
        left: rect.left - outer.left + view.scrollDOM.scrollLeft * view.scaleX,
        top: rect.top - outer.top + view.scrollDOM.scrollTop * view.scaleY,
        height: rect.bottom - rect.top
      };
    }
    drawCursor(pos) {
      if (this.cursor) {
        let { scaleX, scaleY } = this.view;
        if (pos) {
          this.cursor.style.left = pos.left / scaleX + "px";
          this.cursor.style.top = pos.top / scaleY + "px";
          this.cursor.style.height = pos.height / scaleY + "px";
        } else {
          this.cursor.style.left = "-100000px";
        }
      }
    }
    destroy() {
      if (this.cursor)
        this.cursor.remove();
    }
    setDropPos(pos) {
      if (this.view.state.field(dropCursorPos) != pos)
        this.view.dispatch({ effects: setDropCursorPos.of(pos) });
    }
  }, {
    eventObservers: {
      dragover(event) {
        this.setDropPos(this.view.posAtCoords({ x: event.clientX, y: event.clientY }));
      },
      dragleave(event) {
        if (event.target == this.view.contentDOM || !this.view.contentDOM.contains(event.relatedTarget))
          this.setDropPos(null);
      },
      dragend() {
        this.setDropPos(null);
      },
      drop() {
        this.setDropPos(null);
      }
    }
  });
  function dropCursor() {
    return [dropCursorPos, drawDropCursor];
  }
  function iterMatches(doc2, re, from, to, f) {
    re.lastIndex = 0;
    for (let cursor = doc2.iterRange(from, to), pos = from, m; !cursor.next().done; pos += cursor.value.length) {
      if (!cursor.lineBreak)
        while (m = re.exec(cursor.value))
          f(pos + m.index, m);
    }
  }
  function matchRanges(view, maxLength) {
    let visible = view.visibleRanges;
    if (visible.length == 1 && visible[0].from == view.viewport.from && visible[0].to == view.viewport.to)
      return visible;
    let result = [];
    for (let { from, to } of visible) {
      from = Math.max(view.state.doc.lineAt(from).from, from - maxLength);
      to = Math.min(view.state.doc.lineAt(to).to, to + maxLength);
      if (result.length && result[result.length - 1].to >= from)
        result[result.length - 1].to = to;
      else
        result.push({ from, to });
    }
    return result;
  }
  var MatchDecorator = class {
    /**
    Create a decorator.
    */
    constructor(config2) {
      const { regexp, decoration, decorate, boundary, maxLength = 1e3 } = config2;
      if (!regexp.global)
        throw new RangeError("The regular expression given to MatchDecorator should have its 'g' flag set");
      this.regexp = regexp;
      if (decorate) {
        this.addMatch = (match, view, from, add2) => decorate(add2, from, from + match[0].length, match, view);
      } else if (typeof decoration == "function") {
        this.addMatch = (match, view, from, add2) => {
          let deco = decoration(match, view, from);
          if (deco)
            add2(from, from + match[0].length, deco);
        };
      } else if (decoration) {
        this.addMatch = (match, _view, from, add2) => add2(from, from + match[0].length, decoration);
      } else {
        throw new RangeError("Either 'decorate' or 'decoration' should be provided to MatchDecorator");
      }
      this.boundary = boundary;
      this.maxLength = maxLength;
    }
    /**
    Compute the full set of decorations for matches in the given
    view's viewport. You'll want to call this when initializing your
    plugin.
    */
    createDeco(view) {
      let build = new RangeSetBuilder(), add2 = build.add.bind(build);
      for (let { from, to } of matchRanges(view, this.maxLength))
        iterMatches(view.state.doc, this.regexp, from, to, (from2, m) => this.addMatch(m, view, from2, add2));
      return build.finish();
    }
    /**
    Update a set of decorations for a view update. `deco` _must_ be
    the set of decorations produced by _this_ `MatchDecorator` for
    the view state before the update.
    */
    updateDeco(update, deco) {
      let changeFrom = 1e9, changeTo = -1;
      if (update.docChanged)
        update.changes.iterChanges((_f, _t, from, to) => {
          if (to > update.view.viewport.from && from < update.view.viewport.to) {
            changeFrom = Math.min(from, changeFrom);
            changeTo = Math.max(to, changeTo);
          }
        });
      if (update.viewportChanged || changeTo - changeFrom > 1e3)
        return this.createDeco(update.view);
      if (changeTo > -1)
        return this.updateRange(update.view, deco.map(update.changes), changeFrom, changeTo);
      return deco;
    }
    updateRange(view, deco, updateFrom, updateTo) {
      for (let r of view.visibleRanges) {
        let from = Math.max(r.from, updateFrom), to = Math.min(r.to, updateTo);
        if (to > from) {
          let fromLine = view.state.doc.lineAt(from), toLine = fromLine.to < to ? view.state.doc.lineAt(to) : fromLine;
          let start = Math.max(r.from, fromLine.from), end = Math.min(r.to, toLine.to);
          if (this.boundary) {
            for (; from > fromLine.from; from--)
              if (this.boundary.test(fromLine.text[from - 1 - fromLine.from])) {
                start = from;
                break;
              }
            for (; to < toLine.to; to++)
              if (this.boundary.test(toLine.text[to - toLine.from])) {
                end = to;
                break;
              }
          }
          let ranges = [], m;
          let add2 = (from2, to2, deco2) => ranges.push(deco2.range(from2, to2));
          if (fromLine == toLine) {
            this.regexp.lastIndex = start - fromLine.from;
            while ((m = this.regexp.exec(fromLine.text)) && m.index < end - fromLine.from)
              this.addMatch(m, view, m.index + fromLine.from, add2);
          } else {
            iterMatches(view.state.doc, this.regexp, start, end, (from2, m2) => this.addMatch(m2, view, from2, add2));
          }
          deco = deco.update({ filterFrom: start, filterTo: end, filter: (from2, to2) => from2 < start || to2 > end, add: ranges });
        }
      }
      return deco;
    }
  };
  var UnicodeRegexpSupport = /x/.unicode != null ? "gu" : "g";
  var Specials = /* @__PURE__ */ new RegExp("[\0-\b\n-\x7F-\x9F\xAD\u061C\u200B\u200E\u200F\u2028\u2029\u202D\u202E\u2066\u2067\u2069\uFEFF\uFFF9-\uFFFC]", UnicodeRegexpSupport);
  var Names = {
    0: "null",
    7: "bell",
    8: "backspace",
    10: "newline",
    11: "vertical tab",
    13: "carriage return",
    27: "escape",
    8203: "zero width space",
    8204: "zero width non-joiner",
    8205: "zero width joiner",
    8206: "left-to-right mark",
    8207: "right-to-left mark",
    8232: "line separator",
    8237: "left-to-right override",
    8238: "right-to-left override",
    8294: "left-to-right isolate",
    8295: "right-to-left isolate",
    8297: "pop directional isolate",
    8233: "paragraph separator",
    65279: "zero width no-break space",
    65532: "object replacement"
  };
  var _supportsTabSize = null;
  function supportsTabSize() {
    var _a2;
    if (_supportsTabSize == null && typeof document != "undefined" && document.body) {
      let styles = document.body.style;
      _supportsTabSize = ((_a2 = styles.tabSize) !== null && _a2 !== void 0 ? _a2 : styles.MozTabSize) != null;
    }
    return _supportsTabSize || false;
  }
  var specialCharConfig = /* @__PURE__ */ Facet.define({
    combine(configs) {
      let config2 = combineConfig(configs, {
        render: null,
        specialChars: Specials,
        addSpecialChars: null
      });
      if (config2.replaceTabs = !supportsTabSize())
        config2.specialChars = new RegExp("	|" + config2.specialChars.source, UnicodeRegexpSupport);
      if (config2.addSpecialChars)
        config2.specialChars = new RegExp(config2.specialChars.source + "|" + config2.addSpecialChars.source, UnicodeRegexpSupport);
      return config2;
    }
  });
  function highlightSpecialChars(config2 = {}) {
    return [specialCharConfig.of(config2), specialCharPlugin()];
  }
  var _plugin = null;
  function specialCharPlugin() {
    return _plugin || (_plugin = ViewPlugin.fromClass(class {
      constructor(view) {
        this.view = view;
        this.decorations = Decoration.none;
        this.decorationCache = /* @__PURE__ */ Object.create(null);
        this.decorator = this.makeDecorator(view.state.facet(specialCharConfig));
        this.decorations = this.decorator.createDeco(view);
      }
      makeDecorator(conf) {
        return new MatchDecorator({
          regexp: conf.specialChars,
          decoration: (m, view, pos) => {
            let { doc: doc2 } = view.state;
            let code = codePointAt(m[0], 0);
            if (code == 9) {
              let line = doc2.lineAt(pos);
              let size = view.state.tabSize, col = countColumn(line.text, size, pos - line.from);
              return Decoration.replace({
                widget: new TabWidget((size - col % size) * this.view.defaultCharacterWidth / this.view.scaleX)
              });
            }
            return this.decorationCache[code] || (this.decorationCache[code] = Decoration.replace({ widget: new SpecialCharWidget(conf, code) }));
          },
          boundary: conf.replaceTabs ? void 0 : /[^]/
        });
      }
      update(update) {
        let conf = update.state.facet(specialCharConfig);
        if (update.startState.facet(specialCharConfig) != conf) {
          this.decorator = this.makeDecorator(conf);
          this.decorations = this.decorator.createDeco(update.view);
        } else {
          this.decorations = this.decorator.updateDeco(update, this.decorations);
        }
      }
    }, {
      decorations: (v) => v.decorations
    }));
  }
  var DefaultPlaceholder = "\u2022";
  function placeholder$1(code) {
    if (code >= 32)
      return DefaultPlaceholder;
    if (code == 10)
      return "\u2424";
    return String.fromCharCode(9216 + code);
  }
  var SpecialCharWidget = class extends WidgetType {
    constructor(options, code) {
      super();
      this.options = options;
      this.code = code;
    }
    eq(other) {
      return other.code == this.code;
    }
    toDOM(view) {
      let ph = placeholder$1(this.code);
      let desc = view.state.phrase("Control character") + " " + (Names[this.code] || "0x" + this.code.toString(16));
      let custom = this.options.render && this.options.render(this.code, desc, ph);
      if (custom)
        return custom;
      let span = document.createElement("span");
      span.textContent = ph;
      span.title = desc;
      span.setAttribute("aria-label", desc);
      span.className = "cm-specialChar";
      return span;
    }
    ignoreEvent() {
      return false;
    }
  };
  var TabWidget = class extends WidgetType {
    constructor(width) {
      super();
      this.width = width;
    }
    eq(other) {
      return other.width == this.width;
    }
    toDOM() {
      let span = document.createElement("span");
      span.textContent = "	";
      span.className = "cm-tab";
      span.style.width = this.width + "px";
      return span;
    }
    ignoreEvent() {
      return false;
    }
  };
  function highlightActiveLine() {
    return activeLineHighlighter;
  }
  var lineDeco = /* @__PURE__ */ Decoration.line({ class: "cm-activeLine" });
  var activeLineHighlighter = /* @__PURE__ */ ViewPlugin.fromClass(class {
    constructor(view) {
      this.decorations = this.getDeco(view);
    }
    update(update) {
      if (update.docChanged || update.selectionSet)
        this.decorations = this.getDeco(update.view);
    }
    getDeco(view) {
      let lastLineStart = -1, deco = [];
      for (let r of view.state.selection.ranges) {
        let line = view.lineBlockAt(r.head);
        if (line.from > lastLineStart) {
          deco.push(lineDeco.range(line.from));
          lastLineStart = line.from;
        }
      }
      return Decoration.set(deco);
    }
  }, {
    decorations: (v) => v.decorations
  });
  var MaxOff = 2e3;
  function rectangleFor(state, a, b) {
    let startLine = Math.min(a.line, b.line), endLine = Math.max(a.line, b.line);
    let ranges = [];
    if (a.off > MaxOff || b.off > MaxOff || a.col < 0 || b.col < 0) {
      let startOff = Math.min(a.off, b.off), endOff = Math.max(a.off, b.off);
      for (let i = startLine; i <= endLine; i++) {
        let line = state.doc.line(i);
        if (line.length <= endOff)
          ranges.push(EditorSelection.range(line.from + startOff, line.to + endOff));
      }
    } else {
      let startCol = Math.min(a.col, b.col), endCol = Math.max(a.col, b.col);
      for (let i = startLine; i <= endLine; i++) {
        let line = state.doc.line(i);
        let start = findColumn(line.text, startCol, state.tabSize, true);
        if (start < 0) {
          ranges.push(EditorSelection.cursor(line.to));
        } else {
          let end = findColumn(line.text, endCol, state.tabSize);
          ranges.push(EditorSelection.range(line.from + start, line.from + end));
        }
      }
    }
    return ranges;
  }
  function absoluteColumn(view, x) {
    let ref = view.coordsAtPos(view.viewport.from);
    return ref ? Math.round(Math.abs((ref.left - x) / view.defaultCharacterWidth)) : -1;
  }
  function getPos(view, event) {
    let offset = view.posAtCoords({ x: event.clientX, y: event.clientY }, false);
    let line = view.state.doc.lineAt(offset), off = offset - line.from;
    let col = off > MaxOff ? -1 : off == line.length ? absoluteColumn(view, event.clientX) : countColumn(line.text, view.state.tabSize, offset - line.from);
    return { line: line.number, col, off };
  }
  function rectangleSelectionStyle(view, event) {
    let start = getPos(view, event), startSel = view.state.selection;
    if (!start)
      return null;
    return {
      update(update) {
        if (update.docChanged) {
          let newStart = update.changes.mapPos(update.startState.doc.line(start.line).from);
          let newLine = update.state.doc.lineAt(newStart);
          start = { line: newLine.number, col: start.col, off: Math.min(start.off, newLine.length) };
          startSel = startSel.map(update.changes);
        }
      },
      get(event2, _extend, multiple) {
        let cur2 = getPos(view, event2);
        if (!cur2)
          return startSel;
        let ranges = rectangleFor(view.state, start, cur2);
        if (!ranges.length)
          return startSel;
        if (multiple)
          return EditorSelection.create(ranges.concat(startSel.ranges));
        else
          return EditorSelection.create(ranges);
      }
    };
  }
  function rectangularSelection(options) {
    let filter = (options === null || options === void 0 ? void 0 : options.eventFilter) || ((e) => e.altKey && e.button == 0);
    return EditorView.mouseSelectionStyle.of((view, event) => filter(event) ? rectangleSelectionStyle(view, event) : null);
  }
  var keys = {
    Alt: [18, (e) => !!e.altKey],
    Control: [17, (e) => !!e.ctrlKey],
    Shift: [16, (e) => !!e.shiftKey],
    Meta: [91, (e) => !!e.metaKey]
  };
  var showCrosshair = { style: "cursor: crosshair" };
  function crosshairCursor(options = {}) {
    let [code, getter] = keys[options.key || "Alt"];
    let plugin = ViewPlugin.fromClass(class {
      constructor(view) {
        this.view = view;
        this.isDown = false;
      }
      set(isDown) {
        if (this.isDown != isDown) {
          this.isDown = isDown;
          this.view.update([]);
        }
      }
    }, {
      eventObservers: {
        keydown(e) {
          this.set(e.keyCode == code || getter(e));
        },
        keyup(e) {
          if (e.keyCode == code || !getter(e))
            this.set(false);
        },
        mousemove(e) {
          this.set(getter(e));
        }
      }
    });
    return [
      plugin,
      EditorView.contentAttributes.of((view) => {
        var _a2;
        return ((_a2 = view.plugin(plugin)) === null || _a2 === void 0 ? void 0 : _a2.isDown) ? showCrosshair : null;
      })
    ];
  }
  var Outside = "-10000px";
  var TooltipViewManager = class {
    constructor(view, facet, createTooltipView, removeTooltipView) {
      this.facet = facet;
      this.createTooltipView = createTooltipView;
      this.removeTooltipView = removeTooltipView;
      this.input = view.state.facet(facet);
      this.tooltips = this.input.filter((t2) => t2);
      let prev = null;
      this.tooltipViews = this.tooltips.map((t2) => prev = createTooltipView(t2, prev));
    }
    update(update, above) {
      var _a2;
      let input = update.state.facet(this.facet);
      let tooltips = input.filter((x) => x);
      if (input === this.input) {
        for (let t2 of this.tooltipViews)
          if (t2.update)
            t2.update(update);
        return false;
      }
      let tooltipViews = [], newAbove = above ? [] : null;
      for (let i = 0; i < tooltips.length; i++) {
        let tip = tooltips[i], known = -1;
        if (!tip)
          continue;
        for (let i2 = 0; i2 < this.tooltips.length; i2++) {
          let other = this.tooltips[i2];
          if (other && other.create == tip.create)
            known = i2;
        }
        if (known < 0) {
          tooltipViews[i] = this.createTooltipView(tip, i ? tooltipViews[i - 1] : null);
          if (newAbove)
            newAbove[i] = !!tip.above;
        } else {
          let tooltipView = tooltipViews[i] = this.tooltipViews[known];
          if (newAbove)
            newAbove[i] = above[known];
          if (tooltipView.update)
            tooltipView.update(update);
        }
      }
      for (let t2 of this.tooltipViews)
        if (tooltipViews.indexOf(t2) < 0) {
          this.removeTooltipView(t2);
          (_a2 = t2.destroy) === null || _a2 === void 0 ? void 0 : _a2.call(t2);
        }
      if (above) {
        newAbove.forEach((val, i) => above[i] = val);
        above.length = newAbove.length;
      }
      this.input = input;
      this.tooltips = tooltips;
      this.tooltipViews = tooltipViews;
      return true;
    }
  };
  function windowSpace(view) {
    let { win } = view;
    return { top: 0, left: 0, bottom: win.innerHeight, right: win.innerWidth };
  }
  var tooltipConfig = /* @__PURE__ */ Facet.define({
    combine: (values2) => {
      var _a2, _b, _c;
      return {
        position: browser.ios ? "absolute" : ((_a2 = values2.find((conf) => conf.position)) === null || _a2 === void 0 ? void 0 : _a2.position) || "fixed",
        parent: ((_b = values2.find((conf) => conf.parent)) === null || _b === void 0 ? void 0 : _b.parent) || null,
        tooltipSpace: ((_c = values2.find((conf) => conf.tooltipSpace)) === null || _c === void 0 ? void 0 : _c.tooltipSpace) || windowSpace
      };
    }
  });
  var knownHeight = /* @__PURE__ */ new WeakMap();
  var tooltipPlugin = /* @__PURE__ */ ViewPlugin.fromClass(class {
    constructor(view) {
      this.view = view;
      this.above = [];
      this.inView = true;
      this.madeAbsolute = false;
      this.lastTransaction = 0;
      this.measureTimeout = -1;
      let config2 = view.state.facet(tooltipConfig);
      this.position = config2.position;
      this.parent = config2.parent;
      this.classes = view.themeClasses;
      this.createContainer();
      this.measureReq = { read: this.readMeasure.bind(this), write: this.writeMeasure.bind(this), key: this };
      this.resizeObserver = typeof ResizeObserver == "function" ? new ResizeObserver(() => this.measureSoon()) : null;
      this.manager = new TooltipViewManager(view, showTooltip, (t2, p) => this.createTooltip(t2, p), (t2) => {
        if (this.resizeObserver)
          this.resizeObserver.unobserve(t2.dom);
        t2.dom.remove();
      });
      this.above = this.manager.tooltips.map((t2) => !!t2.above);
      this.intersectionObserver = typeof IntersectionObserver == "function" ? new IntersectionObserver((entries) => {
        if (Date.now() > this.lastTransaction - 50 && entries.length > 0 && entries[entries.length - 1].intersectionRatio < 1)
          this.measureSoon();
      }, { threshold: [1] }) : null;
      this.observeIntersection();
      view.win.addEventListener("resize", this.measureSoon = this.measureSoon.bind(this));
      this.maybeMeasure();
    }
    createContainer() {
      if (this.parent) {
        this.container = document.createElement("div");
        this.container.style.position = "relative";
        this.container.className = this.view.themeClasses;
        this.parent.appendChild(this.container);
      } else {
        this.container = this.view.dom;
      }
    }
    observeIntersection() {
      if (this.intersectionObserver) {
        this.intersectionObserver.disconnect();
        for (let tooltip of this.manager.tooltipViews)
          this.intersectionObserver.observe(tooltip.dom);
      }
    }
    measureSoon() {
      if (this.measureTimeout < 0)
        this.measureTimeout = setTimeout(() => {
          this.measureTimeout = -1;
          this.maybeMeasure();
        }, 50);
    }
    update(update) {
      if (update.transactions.length)
        this.lastTransaction = Date.now();
      let updated = this.manager.update(update, this.above);
      if (updated)
        this.observeIntersection();
      let shouldMeasure = updated || update.geometryChanged;
      let newConfig = update.state.facet(tooltipConfig);
      if (newConfig.position != this.position && !this.madeAbsolute) {
        this.position = newConfig.position;
        for (let t2 of this.manager.tooltipViews)
          t2.dom.style.position = this.position;
        shouldMeasure = true;
      }
      if (newConfig.parent != this.parent) {
        if (this.parent)
          this.container.remove();
        this.parent = newConfig.parent;
        this.createContainer();
        for (let t2 of this.manager.tooltipViews)
          this.container.appendChild(t2.dom);
        shouldMeasure = true;
      } else if (this.parent && this.view.themeClasses != this.classes) {
        this.classes = this.container.className = this.view.themeClasses;
      }
      if (shouldMeasure)
        this.maybeMeasure();
    }
    createTooltip(tooltip, prev) {
      let tooltipView = tooltip.create(this.view);
      let before = prev ? prev.dom : null;
      tooltipView.dom.classList.add("cm-tooltip");
      if (tooltip.arrow && !tooltipView.dom.querySelector(".cm-tooltip > .cm-tooltip-arrow")) {
        let arrow = document.createElement("div");
        arrow.className = "cm-tooltip-arrow";
        tooltipView.dom.appendChild(arrow);
      }
      tooltipView.dom.style.position = this.position;
      tooltipView.dom.style.top = Outside;
      tooltipView.dom.style.left = "0px";
      this.container.insertBefore(tooltipView.dom, before);
      if (tooltipView.mount)
        tooltipView.mount(this.view);
      if (this.resizeObserver)
        this.resizeObserver.observe(tooltipView.dom);
      return tooltipView;
    }
    destroy() {
      var _a2, _b, _c;
      this.view.win.removeEventListener("resize", this.measureSoon);
      for (let tooltipView of this.manager.tooltipViews) {
        tooltipView.dom.remove();
        (_a2 = tooltipView.destroy) === null || _a2 === void 0 ? void 0 : _a2.call(tooltipView);
      }
      if (this.parent)
        this.container.remove();
      (_b = this.resizeObserver) === null || _b === void 0 ? void 0 : _b.disconnect();
      (_c = this.intersectionObserver) === null || _c === void 0 ? void 0 : _c.disconnect();
      clearTimeout(this.measureTimeout);
    }
    readMeasure() {
      let editor = this.view.dom.getBoundingClientRect();
      let scaleX = 1, scaleY = 1, makeAbsolute = false;
      if (this.position == "fixed" && this.manager.tooltipViews.length) {
        let { dom } = this.manager.tooltipViews[0];
        if (browser.gecko) {
          makeAbsolute = dom.offsetParent != this.container.ownerDocument.body;
        } else if (dom.style.top == Outside && dom.style.left == "0px") {
          let rect = dom.getBoundingClientRect();
          makeAbsolute = Math.abs(rect.top + 1e4) > 1 || Math.abs(rect.left) > 1;
        }
      }
      if (makeAbsolute || this.position == "absolute") {
        if (this.parent) {
          let rect = this.parent.getBoundingClientRect();
          if (rect.width && rect.height) {
            scaleX = rect.width / this.parent.offsetWidth;
            scaleY = rect.height / this.parent.offsetHeight;
          }
        } else {
          ({ scaleX, scaleY } = this.view.viewState);
        }
      }
      return {
        editor,
        parent: this.parent ? this.container.getBoundingClientRect() : editor,
        pos: this.manager.tooltips.map((t2, i) => {
          let tv = this.manager.tooltipViews[i];
          return tv.getCoords ? tv.getCoords(t2.pos) : this.view.coordsAtPos(t2.pos);
        }),
        size: this.manager.tooltipViews.map(({ dom }) => dom.getBoundingClientRect()),
        space: this.view.state.facet(tooltipConfig).tooltipSpace(this.view),
        scaleX,
        scaleY,
        makeAbsolute
      };
    }
    writeMeasure(measured) {
      var _a2;
      if (measured.makeAbsolute) {
        this.madeAbsolute = true;
        this.position = "absolute";
        for (let t2 of this.manager.tooltipViews)
          t2.dom.style.position = "absolute";
      }
      let { editor, space: space4, scaleX, scaleY } = measured;
      let others = [];
      for (let i = 0; i < this.manager.tooltips.length; i++) {
        let tooltip = this.manager.tooltips[i], tView = this.manager.tooltipViews[i], { dom } = tView;
        let pos = measured.pos[i], size = measured.size[i];
        if (!pos || pos.bottom <= Math.max(editor.top, space4.top) || pos.top >= Math.min(editor.bottom, space4.bottom) || pos.right < Math.max(editor.left, space4.left) - 0.1 || pos.left > Math.min(editor.right, space4.right) + 0.1) {
          dom.style.top = Outside;
          continue;
        }
        let arrow = tooltip.arrow ? tView.dom.querySelector(".cm-tooltip-arrow") : null;
        let arrowHeight = arrow ? 7 : 0;
        let width = size.right - size.left, height = (_a2 = knownHeight.get(tView)) !== null && _a2 !== void 0 ? _a2 : size.bottom - size.top;
        let offset = tView.offset || noOffset, ltr = this.view.textDirection == Direction.LTR;
        let left = size.width > space4.right - space4.left ? ltr ? space4.left : space4.right - size.width : ltr ? Math.min(pos.left - (arrow ? 14 : 0) + offset.x, space4.right - width) : Math.max(space4.left, pos.left - width + (arrow ? 14 : 0) - offset.x);
        let above = this.above[i];
        if (!tooltip.strictSide && (above ? pos.top - (size.bottom - size.top) - offset.y < space4.top : pos.bottom + (size.bottom - size.top) + offset.y > space4.bottom) && above == space4.bottom - pos.bottom > pos.top - space4.top)
          above = this.above[i] = !above;
        let spaceVert = (above ? pos.top - space4.top : space4.bottom - pos.bottom) - arrowHeight;
        if (spaceVert < height && tView.resize !== false) {
          if (spaceVert < this.view.defaultLineHeight) {
            dom.style.top = Outside;
            continue;
          }
          knownHeight.set(tView, height);
          dom.style.height = (height = spaceVert) / scaleY + "px";
        } else if (dom.style.height) {
          dom.style.height = "";
        }
        let top2 = above ? pos.top - height - arrowHeight - offset.y : pos.bottom + arrowHeight + offset.y;
        let right = left + width;
        if (tView.overlap !== true) {
          for (let r of others)
            if (r.left < right && r.right > left && r.top < top2 + height && r.bottom > top2)
              top2 = above ? r.top - height - 2 - arrowHeight : r.bottom + arrowHeight + 2;
        }
        if (this.position == "absolute") {
          dom.style.top = (top2 - measured.parent.top) / scaleY + "px";
          dom.style.left = (left - measured.parent.left) / scaleX + "px";
        } else {
          dom.style.top = top2 / scaleY + "px";
          dom.style.left = left / scaleX + "px";
        }
        if (arrow) {
          let arrowLeft = pos.left + (ltr ? offset.x : -offset.x) - (left + 14 - 7);
          arrow.style.left = arrowLeft / scaleX + "px";
        }
        if (tView.overlap !== true)
          others.push({ left, top: top2, right, bottom: top2 + height });
        dom.classList.toggle("cm-tooltip-above", above);
        dom.classList.toggle("cm-tooltip-below", !above);
        if (tView.positioned)
          tView.positioned(measured.space);
      }
    }
    maybeMeasure() {
      if (this.manager.tooltips.length) {
        if (this.view.inView)
          this.view.requestMeasure(this.measureReq);
        if (this.inView != this.view.inView) {
          this.inView = this.view.inView;
          if (!this.inView)
            for (let tv of this.manager.tooltipViews)
              tv.dom.style.top = Outside;
        }
      }
    }
  }, {
    eventObservers: {
      scroll() {
        this.maybeMeasure();
      }
    }
  });
  var baseTheme = /* @__PURE__ */ EditorView.baseTheme({
    ".cm-tooltip": {
      zIndex: 100,
      boxSizing: "border-box"
    },
    "&light .cm-tooltip": {
      border: "1px solid #bbb",
      backgroundColor: "#f5f5f5"
    },
    "&light .cm-tooltip-section:not(:first-child)": {
      borderTop: "1px solid #bbb"
    },
    "&dark .cm-tooltip": {
      backgroundColor: "#333338",
      color: "white"
    },
    ".cm-tooltip-arrow": {
      height: `${7}px`,
      width: `${7 * 2}px`,
      position: "absolute",
      zIndex: -1,
      overflow: "hidden",
      "&:before, &:after": {
        content: "''",
        position: "absolute",
        width: 0,
        height: 0,
        borderLeft: `${7}px solid transparent`,
        borderRight: `${7}px solid transparent`
      },
      ".cm-tooltip-above &": {
        bottom: `-${7}px`,
        "&:before": {
          borderTop: `${7}px solid #bbb`
        },
        "&:after": {
          borderTop: `${7}px solid #f5f5f5`,
          bottom: "1px"
        }
      },
      ".cm-tooltip-below &": {
        top: `-${7}px`,
        "&:before": {
          borderBottom: `${7}px solid #bbb`
        },
        "&:after": {
          borderBottom: `${7}px solid #f5f5f5`,
          top: "1px"
        }
      }
    },
    "&dark .cm-tooltip .cm-tooltip-arrow": {
      "&:before": {
        borderTopColor: "#333338",
        borderBottomColor: "#333338"
      },
      "&:after": {
        borderTopColor: "transparent",
        borderBottomColor: "transparent"
      }
    }
  });
  var noOffset = { x: 0, y: 0 };
  var showTooltip = /* @__PURE__ */ Facet.define({
    enables: [tooltipPlugin, baseTheme]
  });
  var showHoverTooltip = /* @__PURE__ */ Facet.define({
    combine: (inputs) => inputs.reduce((a, i) => a.concat(i), [])
  });
  var HoverTooltipHost = class _HoverTooltipHost {
    // Needs to be static so that host tooltip instances always match
    static create(view) {
      return new _HoverTooltipHost(view);
    }
    constructor(view) {
      this.view = view;
      this.mounted = false;
      this.dom = document.createElement("div");
      this.dom.classList.add("cm-tooltip-hover");
      this.manager = new TooltipViewManager(view, showHoverTooltip, (t2, p) => this.createHostedView(t2, p), (t2) => t2.dom.remove());
    }
    createHostedView(tooltip, prev) {
      let hostedView = tooltip.create(this.view);
      hostedView.dom.classList.add("cm-tooltip-section");
      this.dom.insertBefore(hostedView.dom, prev ? prev.dom.nextSibling : this.dom.firstChild);
      if (this.mounted && hostedView.mount)
        hostedView.mount(this.view);
      return hostedView;
    }
    mount(view) {
      for (let hostedView of this.manager.tooltipViews) {
        if (hostedView.mount)
          hostedView.mount(view);
      }
      this.mounted = true;
    }
    positioned(space4) {
      for (let hostedView of this.manager.tooltipViews) {
        if (hostedView.positioned)
          hostedView.positioned(space4);
      }
    }
    update(update) {
      this.manager.update(update);
    }
    destroy() {
      var _a2;
      for (let t2 of this.manager.tooltipViews)
        (_a2 = t2.destroy) === null || _a2 === void 0 ? void 0 : _a2.call(t2);
    }
    passProp(name2) {
      let value = void 0;
      for (let view of this.manager.tooltipViews) {
        let given = view[name2];
        if (given !== void 0) {
          if (value === void 0)
            value = given;
          else if (value !== given)
            return void 0;
        }
      }
      return value;
    }
    get offset() {
      return this.passProp("offset");
    }
    get getCoords() {
      return this.passProp("getCoords");
    }
    get overlap() {
      return this.passProp("overlap");
    }
    get resize() {
      return this.passProp("resize");
    }
  };
  var showHoverTooltipHost = /* @__PURE__ */ showTooltip.compute([showHoverTooltip], (state) => {
    let tooltips = state.facet(showHoverTooltip);
    if (tooltips.length === 0)
      return null;
    return {
      pos: Math.min(...tooltips.map((t2) => t2.pos)),
      end: Math.max(...tooltips.map((t2) => {
        var _a2;
        return (_a2 = t2.end) !== null && _a2 !== void 0 ? _a2 : t2.pos;
      })),
      create: HoverTooltipHost.create,
      above: tooltips[0].above,
      arrow: tooltips.some((t2) => t2.arrow)
    };
  });
  var HoverPlugin = class {
    constructor(view, source, field, setHover, hoverTime) {
      this.view = view;
      this.source = source;
      this.field = field;
      this.setHover = setHover;
      this.hoverTime = hoverTime;
      this.hoverTimeout = -1;
      this.restartTimeout = -1;
      this.pending = null;
      this.lastMove = { x: 0, y: 0, target: view.dom, time: 0 };
      this.checkHover = this.checkHover.bind(this);
      view.dom.addEventListener("mouseleave", this.mouseleave = this.mouseleave.bind(this));
      view.dom.addEventListener("mousemove", this.mousemove = this.mousemove.bind(this));
    }
    update() {
      if (this.pending) {
        this.pending = null;
        clearTimeout(this.restartTimeout);
        this.restartTimeout = setTimeout(() => this.startHover(), 20);
      }
    }
    get active() {
      return this.view.state.field(this.field);
    }
    checkHover() {
      this.hoverTimeout = -1;
      if (this.active.length)
        return;
      let hovered = Date.now() - this.lastMove.time;
      if (hovered < this.hoverTime)
        this.hoverTimeout = setTimeout(this.checkHover, this.hoverTime - hovered);
      else
        this.startHover();
    }
    startHover() {
      clearTimeout(this.restartTimeout);
      let { view, lastMove } = this;
      let desc = view.docView.nearest(lastMove.target);
      if (!desc)
        return;
      let pos, side = 1;
      if (desc instanceof WidgetView) {
        pos = desc.posAtStart;
      } else {
        pos = view.posAtCoords(lastMove);
        if (pos == null)
          return;
        let posCoords = view.coordsAtPos(pos);
        if (!posCoords || lastMove.y < posCoords.top || lastMove.y > posCoords.bottom || lastMove.x < posCoords.left - view.defaultCharacterWidth || lastMove.x > posCoords.right + view.defaultCharacterWidth)
          return;
        let bidi = view.bidiSpans(view.state.doc.lineAt(pos)).find((s) => s.from <= pos && s.to >= pos);
        let rtl = bidi && bidi.dir == Direction.RTL ? -1 : 1;
        side = lastMove.x < posCoords.left ? -rtl : rtl;
      }
      let open = this.source(view, pos, side);
      if (open === null || open === void 0 ? void 0 : open.then) {
        let pending = this.pending = { pos };
        open.then((result) => {
          if (this.pending == pending) {
            this.pending = null;
            if (result && !(Array.isArray(result) && !result.length))
              view.dispatch({ effects: this.setHover.of(Array.isArray(result) ? result : [result]) });
          }
        }, (e) => logException(view.state, e, "hover tooltip"));
      } else if (open && !(Array.isArray(open) && !open.length)) {
        view.dispatch({ effects: this.setHover.of(Array.isArray(open) ? open : [open]) });
      }
    }
    get tooltip() {
      let plugin = this.view.plugin(tooltipPlugin);
      let index = plugin ? plugin.manager.tooltips.findIndex((t2) => t2.create == HoverTooltipHost.create) : -1;
      return index > -1 ? plugin.manager.tooltipViews[index] : null;
    }
    mousemove(event) {
      var _a2, _b;
      this.lastMove = { x: event.clientX, y: event.clientY, target: event.target, time: Date.now() };
      if (this.hoverTimeout < 0)
        this.hoverTimeout = setTimeout(this.checkHover, this.hoverTime);
      let { active, tooltip } = this;
      if (active.length && tooltip && !isInTooltip(tooltip.dom, event) || this.pending) {
        let { pos } = active[0] || this.pending, end = (_b = (_a2 = active[0]) === null || _a2 === void 0 ? void 0 : _a2.end) !== null && _b !== void 0 ? _b : pos;
        if (pos == end ? this.view.posAtCoords(this.lastMove) != pos : !isOverRange(this.view, pos, end, event.clientX, event.clientY)) {
          this.view.dispatch({ effects: this.setHover.of([]) });
          this.pending = null;
        }
      }
    }
    mouseleave(event) {
      clearTimeout(this.hoverTimeout);
      this.hoverTimeout = -1;
      let { active } = this;
      if (active.length) {
        let { tooltip } = this;
        let inTooltip = tooltip && tooltip.dom.contains(event.relatedTarget);
        if (!inTooltip)
          this.view.dispatch({ effects: this.setHover.of([]) });
        else
          this.watchTooltipLeave(tooltip.dom);
      }
    }
    watchTooltipLeave(tooltip) {
      let watch = (event) => {
        tooltip.removeEventListener("mouseleave", watch);
        if (this.active.length && !this.view.dom.contains(event.relatedTarget))
          this.view.dispatch({ effects: this.setHover.of([]) });
      };
      tooltip.addEventListener("mouseleave", watch);
    }
    destroy() {
      clearTimeout(this.hoverTimeout);
      this.view.dom.removeEventListener("mouseleave", this.mouseleave);
      this.view.dom.removeEventListener("mousemove", this.mousemove);
    }
  };
  var tooltipMargin = 4;
  function isInTooltip(tooltip, event) {
    let rect = tooltip.getBoundingClientRect();
    return event.clientX >= rect.left - tooltipMargin && event.clientX <= rect.right + tooltipMargin && event.clientY >= rect.top - tooltipMargin && event.clientY <= rect.bottom + tooltipMargin;
  }
  function isOverRange(view, from, to, x, y, margin) {
    let rect = view.scrollDOM.getBoundingClientRect();
    let docBottom = view.documentTop + view.documentPadding.top + view.contentHeight;
    if (rect.left > x || rect.right < x || rect.top > y || Math.min(rect.bottom, docBottom) < y)
      return false;
    let pos = view.posAtCoords({ x, y }, false);
    return pos >= from && pos <= to;
  }
  function hoverTooltip(source, options = {}) {
    let setHover = StateEffect.define();
    let hoverState = StateField.define({
      create() {
        return [];
      },
      update(value, tr) {
        if (value.length) {
          if (options.hideOnChange && (tr.docChanged || tr.selection))
            value = [];
          else if (options.hideOn)
            value = value.filter((v) => !options.hideOn(tr, v));
          if (tr.docChanged) {
            let mapped = [];
            for (let tooltip of value) {
              let newPos = tr.changes.mapPos(tooltip.pos, -1, MapMode.TrackDel);
              if (newPos != null) {
                let copy = Object.assign(/* @__PURE__ */ Object.create(null), tooltip);
                copy.pos = newPos;
                if (copy.end != null)
                  copy.end = tr.changes.mapPos(copy.end);
                mapped.push(copy);
              }
            }
            value = mapped;
          }
        }
        for (let effect of tr.effects) {
          if (effect.is(setHover))
            value = effect.value;
          if (effect.is(closeHoverTooltipEffect))
            value = [];
        }
        return value;
      },
      provide: (f) => showHoverTooltip.from(f)
    });
    return [
      hoverState,
      ViewPlugin.define((view) => new HoverPlugin(
        view,
        source,
        hoverState,
        setHover,
        options.hoverTime || 300
        /* Hover.Time */
      )),
      showHoverTooltipHost
    ];
  }
  function getTooltip(view, tooltip) {
    let plugin = view.plugin(tooltipPlugin);
    if (!plugin)
      return null;
    let found = plugin.manager.tooltips.indexOf(tooltip);
    return found < 0 ? null : plugin.manager.tooltipViews[found];
  }
  var closeHoverTooltipEffect = /* @__PURE__ */ StateEffect.define();
  var panelConfig = /* @__PURE__ */ Facet.define({
    combine(configs) {
      let topContainer, bottomContainer;
      for (let c of configs) {
        topContainer = topContainer || c.topContainer;
        bottomContainer = bottomContainer || c.bottomContainer;
      }
      return { topContainer, bottomContainer };
    }
  });
  function getPanel(view, panel) {
    let plugin = view.plugin(panelPlugin);
    let index = plugin ? plugin.specs.indexOf(panel) : -1;
    return index > -1 ? plugin.panels[index] : null;
  }
  var panelPlugin = /* @__PURE__ */ ViewPlugin.fromClass(class {
    constructor(view) {
      this.input = view.state.facet(showPanel);
      this.specs = this.input.filter((s) => s);
      this.panels = this.specs.map((spec) => spec(view));
      let conf = view.state.facet(panelConfig);
      this.top = new PanelGroup(view, true, conf.topContainer);
      this.bottom = new PanelGroup(view, false, conf.bottomContainer);
      this.top.sync(this.panels.filter((p) => p.top));
      this.bottom.sync(this.panels.filter((p) => !p.top));
      for (let p of this.panels) {
        p.dom.classList.add("cm-panel");
        if (p.mount)
          p.mount();
      }
    }
    update(update) {
      let conf = update.state.facet(panelConfig);
      if (this.top.container != conf.topContainer) {
        this.top.sync([]);
        this.top = new PanelGroup(update.view, true, conf.topContainer);
      }
      if (this.bottom.container != conf.bottomContainer) {
        this.bottom.sync([]);
        this.bottom = new PanelGroup(update.view, false, conf.bottomContainer);
      }
      this.top.syncClasses();
      this.bottom.syncClasses();
      let input = update.state.facet(showPanel);
      if (input != this.input) {
        let specs = input.filter((x) => x);
        let panels = [], top2 = [], bottom = [], mount = [];
        for (let spec of specs) {
          let known = this.specs.indexOf(spec), panel;
          if (known < 0) {
            panel = spec(update.view);
            mount.push(panel);
          } else {
            panel = this.panels[known];
            if (panel.update)
              panel.update(update);
          }
          panels.push(panel);
          (panel.top ? top2 : bottom).push(panel);
        }
        this.specs = specs;
        this.panels = panels;
        this.top.sync(top2);
        this.bottom.sync(bottom);
        for (let p of mount) {
          p.dom.classList.add("cm-panel");
          if (p.mount)
            p.mount();
        }
      } else {
        for (let p of this.panels)
          if (p.update)
            p.update(update);
      }
    }
    destroy() {
      this.top.sync([]);
      this.bottom.sync([]);
    }
  }, {
    provide: (plugin) => EditorView.scrollMargins.of((view) => {
      let value = view.plugin(plugin);
      return value && { top: value.top.scrollMargin(), bottom: value.bottom.scrollMargin() };
    })
  });
  var PanelGroup = class {
    constructor(view, top2, container) {
      this.view = view;
      this.top = top2;
      this.container = container;
      this.dom = void 0;
      this.classes = "";
      this.panels = [];
      this.syncClasses();
    }
    sync(panels) {
      for (let p of this.panels)
        if (p.destroy && panels.indexOf(p) < 0)
          p.destroy();
      this.panels = panels;
      this.syncDOM();
    }
    syncDOM() {
      if (this.panels.length == 0) {
        if (this.dom) {
          this.dom.remove();
          this.dom = void 0;
        }
        return;
      }
      if (!this.dom) {
        this.dom = document.createElement("div");
        this.dom.className = this.top ? "cm-panels cm-panels-top" : "cm-panels cm-panels-bottom";
        this.dom.style[this.top ? "top" : "bottom"] = "0";
        let parent = this.container || this.view.dom;
        parent.insertBefore(this.dom, this.top ? parent.firstChild : null);
      }
      let curDOM = this.dom.firstChild;
      for (let panel of this.panels) {
        if (panel.dom.parentNode == this.dom) {
          while (curDOM != panel.dom)
            curDOM = rm(curDOM);
          curDOM = curDOM.nextSibling;
        } else {
          this.dom.insertBefore(panel.dom, curDOM);
        }
      }
      while (curDOM)
        curDOM = rm(curDOM);
    }
    scrollMargin() {
      return !this.dom || this.container ? 0 : Math.max(0, this.top ? this.dom.getBoundingClientRect().bottom - Math.max(0, this.view.scrollDOM.getBoundingClientRect().top) : Math.min(innerHeight, this.view.scrollDOM.getBoundingClientRect().bottom) - this.dom.getBoundingClientRect().top);
    }
    syncClasses() {
      if (!this.container || this.classes == this.view.themeClasses)
        return;
      for (let cls of this.classes.split(" "))
        if (cls)
          this.container.classList.remove(cls);
      for (let cls of (this.classes = this.view.themeClasses).split(" "))
        if (cls)
          this.container.classList.add(cls);
    }
  };
  function rm(node) {
    let next = node.nextSibling;
    node.remove();
    return next;
  }
  var showPanel = /* @__PURE__ */ Facet.define({
    enables: panelPlugin
  });
  var GutterMarker = class extends RangeValue {
    /**
    @internal
    */
    compare(other) {
      return this == other || this.constructor == other.constructor && this.eq(other);
    }
    /**
    Compare this marker to another marker of the same type.
    */
    eq(other) {
      return false;
    }
    /**
    Called if the marker has a `toDOM` method and its representation
    was removed from a gutter.
    */
    destroy(dom) {
    }
  };
  GutterMarker.prototype.elementClass = "";
  GutterMarker.prototype.toDOM = void 0;
  GutterMarker.prototype.mapMode = MapMode.TrackBefore;
  GutterMarker.prototype.startSide = GutterMarker.prototype.endSide = -1;
  GutterMarker.prototype.point = true;
  var gutterLineClass = /* @__PURE__ */ Facet.define();
  var defaults = {
    class: "",
    renderEmptyElements: false,
    elementStyle: "",
    markers: () => RangeSet.empty,
    lineMarker: () => null,
    widgetMarker: () => null,
    lineMarkerChange: null,
    initialSpacer: null,
    updateSpacer: null,
    domEventHandlers: {}
  };
  var activeGutters = /* @__PURE__ */ Facet.define();
  function gutter(config2) {
    return [gutters(), activeGutters.of(Object.assign(Object.assign({}, defaults), config2))];
  }
  var unfixGutters = /* @__PURE__ */ Facet.define({
    combine: (values2) => values2.some((x) => x)
  });
  function gutters(config2) {
    let result = [
      gutterView
    ];
    if (config2 && config2.fixed === false)
      result.push(unfixGutters.of(true));
    return result;
  }
  var gutterView = /* @__PURE__ */ ViewPlugin.fromClass(class {
    constructor(view) {
      this.view = view;
      this.prevViewport = view.viewport;
      this.dom = document.createElement("div");
      this.dom.className = "cm-gutters";
      this.dom.setAttribute("aria-hidden", "true");
      this.dom.style.minHeight = this.view.contentHeight / this.view.scaleY + "px";
      this.gutters = view.state.facet(activeGutters).map((conf) => new SingleGutterView(view, conf));
      for (let gutter2 of this.gutters)
        this.dom.appendChild(gutter2.dom);
      this.fixed = !view.state.facet(unfixGutters);
      if (this.fixed) {
        this.dom.style.position = "sticky";
      }
      this.syncGutters(false);
      view.scrollDOM.insertBefore(this.dom, view.contentDOM);
    }
    update(update) {
      if (this.updateGutters(update)) {
        let vpA = this.prevViewport, vpB = update.view.viewport;
        let vpOverlap = Math.min(vpA.to, vpB.to) - Math.max(vpA.from, vpB.from);
        this.syncGutters(vpOverlap < (vpB.to - vpB.from) * 0.8);
      }
      if (update.geometryChanged) {
        this.dom.style.minHeight = this.view.contentHeight / this.view.scaleY + "px";
      }
      if (this.view.state.facet(unfixGutters) != !this.fixed) {
        this.fixed = !this.fixed;
        this.dom.style.position = this.fixed ? "sticky" : "";
      }
      this.prevViewport = update.view.viewport;
    }
    syncGutters(detach) {
      let after = this.dom.nextSibling;
      if (detach)
        this.dom.remove();
      let lineClasses = RangeSet.iter(this.view.state.facet(gutterLineClass), this.view.viewport.from);
      let classSet = [];
      let contexts = this.gutters.map((gutter2) => new UpdateContext(gutter2, this.view.viewport, -this.view.documentPadding.top));
      for (let line of this.view.viewportLineBlocks) {
        if (classSet.length)
          classSet = [];
        if (Array.isArray(line.type)) {
          let first = true;
          for (let b of line.type) {
            if (b.type == BlockType.Text && first) {
              advanceCursor(lineClasses, classSet, b.from);
              for (let cx of contexts)
                cx.line(this.view, b, classSet);
              first = false;
            } else if (b.widget) {
              for (let cx of contexts)
                cx.widget(this.view, b);
            }
          }
        } else if (line.type == BlockType.Text) {
          advanceCursor(lineClasses, classSet, line.from);
          for (let cx of contexts)
            cx.line(this.view, line, classSet);
        } else if (line.widget) {
          for (let cx of contexts)
            cx.widget(this.view, line);
        }
      }
      for (let cx of contexts)
        cx.finish();
      if (detach)
        this.view.scrollDOM.insertBefore(this.dom, after);
    }
    updateGutters(update) {
      let prev = update.startState.facet(activeGutters), cur2 = update.state.facet(activeGutters);
      let change = update.docChanged || update.heightChanged || update.viewportChanged || !RangeSet.eq(update.startState.facet(gutterLineClass), update.state.facet(gutterLineClass), update.view.viewport.from, update.view.viewport.to);
      if (prev == cur2) {
        for (let gutter2 of this.gutters)
          if (gutter2.update(update))
            change = true;
      } else {
        change = true;
        let gutters2 = [];
        for (let conf of cur2) {
          let known = prev.indexOf(conf);
          if (known < 0) {
            gutters2.push(new SingleGutterView(this.view, conf));
          } else {
            this.gutters[known].update(update);
            gutters2.push(this.gutters[known]);
          }
        }
        for (let g of this.gutters) {
          g.dom.remove();
          if (gutters2.indexOf(g) < 0)
            g.destroy();
        }
        for (let g of gutters2)
          this.dom.appendChild(g.dom);
        this.gutters = gutters2;
      }
      return change;
    }
    destroy() {
      for (let view of this.gutters)
        view.destroy();
      this.dom.remove();
    }
  }, {
    provide: (plugin) => EditorView.scrollMargins.of((view) => {
      let value = view.plugin(plugin);
      if (!value || value.gutters.length == 0 || !value.fixed)
        return null;
      return view.textDirection == Direction.LTR ? { left: value.dom.offsetWidth * view.scaleX } : { right: value.dom.offsetWidth * view.scaleX };
    })
  });
  function asArray2(val) {
    return Array.isArray(val) ? val : [val];
  }
  function advanceCursor(cursor, collect, pos) {
    while (cursor.value && cursor.from <= pos) {
      if (cursor.from == pos)
        collect.push(cursor.value);
      cursor.next();
    }
  }
  var UpdateContext = class {
    constructor(gutter2, viewport, height) {
      this.gutter = gutter2;
      this.height = height;
      this.i = 0;
      this.cursor = RangeSet.iter(gutter2.markers, viewport.from);
    }
    addElement(view, block, markers) {
      let { gutter: gutter2 } = this, above = (block.top - this.height) / view.scaleY, height = block.height / view.scaleY;
      if (this.i == gutter2.elements.length) {
        let newElt = new GutterElement(view, height, above, markers);
        gutter2.elements.push(newElt);
        gutter2.dom.appendChild(newElt.dom);
      } else {
        gutter2.elements[this.i].update(view, height, above, markers);
      }
      this.height = block.bottom;
      this.i++;
    }
    line(view, line, extraMarkers) {
      let localMarkers = [];
      advanceCursor(this.cursor, localMarkers, line.from);
      if (extraMarkers.length)
        localMarkers = localMarkers.concat(extraMarkers);
      let forLine = this.gutter.config.lineMarker(view, line, localMarkers);
      if (forLine)
        localMarkers.unshift(forLine);
      let gutter2 = this.gutter;
      if (localMarkers.length == 0 && !gutter2.config.renderEmptyElements)
        return;
      this.addElement(view, line, localMarkers);
    }
    widget(view, block) {
      let marker = this.gutter.config.widgetMarker(view, block.widget, block);
      if (marker)
        this.addElement(view, block, [marker]);
    }
    finish() {
      let gutter2 = this.gutter;
      while (gutter2.elements.length > this.i) {
        let last = gutter2.elements.pop();
        gutter2.dom.removeChild(last.dom);
        last.destroy();
      }
    }
  };
  var SingleGutterView = class {
    constructor(view, config2) {
      this.view = view;
      this.config = config2;
      this.elements = [];
      this.spacer = null;
      this.dom = document.createElement("div");
      this.dom.className = "cm-gutter" + (this.config.class ? " " + this.config.class : "");
      for (let prop in config2.domEventHandlers) {
        this.dom.addEventListener(prop, (event) => {
          let target = event.target, y;
          if (target != this.dom && this.dom.contains(target)) {
            while (target.parentNode != this.dom)
              target = target.parentNode;
            let rect = target.getBoundingClientRect();
            y = (rect.top + rect.bottom) / 2;
          } else {
            y = event.clientY;
          }
          let line = view.lineBlockAtHeight(y - view.documentTop);
          if (config2.domEventHandlers[prop](view, line, event))
            event.preventDefault();
        });
      }
      this.markers = asArray2(config2.markers(view));
      if (config2.initialSpacer) {
        this.spacer = new GutterElement(view, 0, 0, [config2.initialSpacer(view)]);
        this.dom.appendChild(this.spacer.dom);
        this.spacer.dom.style.cssText += "visibility: hidden; pointer-events: none";
      }
    }
    update(update) {
      let prevMarkers = this.markers;
      this.markers = asArray2(this.config.markers(update.view));
      if (this.spacer && this.config.updateSpacer) {
        let updated = this.config.updateSpacer(this.spacer.markers[0], update);
        if (updated != this.spacer.markers[0])
          this.spacer.update(update.view, 0, 0, [updated]);
      }
      let vp = update.view.viewport;
      return !RangeSet.eq(this.markers, prevMarkers, vp.from, vp.to) || (this.config.lineMarkerChange ? this.config.lineMarkerChange(update) : false);
    }
    destroy() {
      for (let elt2 of this.elements)
        elt2.destroy();
    }
  };
  var GutterElement = class {
    constructor(view, height, above, markers) {
      this.height = -1;
      this.above = 0;
      this.markers = [];
      this.dom = document.createElement("div");
      this.dom.className = "cm-gutterElement";
      this.update(view, height, above, markers);
    }
    update(view, height, above, markers) {
      if (this.height != height) {
        this.height = height;
        this.dom.style.height = height + "px";
      }
      if (this.above != above)
        this.dom.style.marginTop = (this.above = above) ? above + "px" : "";
      if (!sameMarkers(this.markers, markers))
        this.setMarkers(view, markers);
    }
    setMarkers(view, markers) {
      let cls = "cm-gutterElement", domPos = this.dom.firstChild;
      for (let iNew = 0, iOld = 0; ; ) {
        let skipTo = iOld, marker = iNew < markers.length ? markers[iNew++] : null, matched = false;
        if (marker) {
          let c = marker.elementClass;
          if (c)
            cls += " " + c;
          for (let i = iOld; i < this.markers.length; i++)
            if (this.markers[i].compare(marker)) {
              skipTo = i;
              matched = true;
              break;
            }
        } else {
          skipTo = this.markers.length;
        }
        while (iOld < skipTo) {
          let next = this.markers[iOld++];
          if (next.toDOM) {
            next.destroy(domPos);
            let after = domPos.nextSibling;
            domPos.remove();
            domPos = after;
          }
        }
        if (!marker)
          break;
        if (marker.toDOM) {
          if (matched)
            domPos = domPos.nextSibling;
          else
            this.dom.insertBefore(marker.toDOM(view), domPos);
        }
        if (matched)
          iOld++;
      }
      this.dom.className = cls;
      this.markers = markers;
    }
    destroy() {
      this.setMarkers(null, []);
    }
  };
  function sameMarkers(a, b) {
    if (a.length != b.length)
      return false;
    for (let i = 0; i < a.length; i++)
      if (!a[i].compare(b[i]))
        return false;
    return true;
  }
  var lineNumberMarkers = /* @__PURE__ */ Facet.define();
  var lineNumberConfig = /* @__PURE__ */ Facet.define({
    combine(values2) {
      return combineConfig(values2, { formatNumber: String, domEventHandlers: {} }, {
        domEventHandlers(a, b) {
          let result = Object.assign({}, a);
          for (let event in b) {
            let exists = result[event], add2 = b[event];
            result[event] = exists ? (view, line, event2) => exists(view, line, event2) || add2(view, line, event2) : add2;
          }
          return result;
        }
      });
    }
  });
  var NumberMarker = class extends GutterMarker {
    constructor(number2) {
      super();
      this.number = number2;
    }
    eq(other) {
      return this.number == other.number;
    }
    toDOM() {
      return document.createTextNode(this.number);
    }
  };
  function formatNumber(view, number2) {
    return view.state.facet(lineNumberConfig).formatNumber(number2, view.state);
  }
  var lineNumberGutter = /* @__PURE__ */ activeGutters.compute([lineNumberConfig], (state) => ({
    class: "cm-lineNumbers",
    renderEmptyElements: false,
    markers(view) {
      return view.state.facet(lineNumberMarkers);
    },
    lineMarker(view, line, others) {
      if (others.some((m) => m.toDOM))
        return null;
      return new NumberMarker(formatNumber(view, view.state.doc.lineAt(line.from).number));
    },
    widgetMarker: () => null,
    lineMarkerChange: (update) => update.startState.facet(lineNumberConfig) != update.state.facet(lineNumberConfig),
    initialSpacer(view) {
      return new NumberMarker(formatNumber(view, maxLineNumber(view.state.doc.lines)));
    },
    updateSpacer(spacer, update) {
      let max = formatNumber(update.view, maxLineNumber(update.view.state.doc.lines));
      return max == spacer.number ? spacer : new NumberMarker(max);
    },
    domEventHandlers: state.facet(lineNumberConfig).domEventHandlers
  }));
  function lineNumbers(config2 = {}) {
    return [
      lineNumberConfig.of(config2),
      gutters(),
      lineNumberGutter
    ];
  }
  function maxLineNumber(lines) {
    let last = 9;
    while (last < lines)
      last = last * 10 + 9;
    return last;
  }
  var activeLineGutterMarker = /* @__PURE__ */ new class extends GutterMarker {
    constructor() {
      super(...arguments);
      this.elementClass = "cm-activeLineGutter";
    }
  }();
  var activeLineGutterHighlighter = /* @__PURE__ */ gutterLineClass.compute(["selection"], (state) => {
    let marks2 = [], last = -1;
    for (let range of state.selection.ranges) {
      let linePos = state.doc.lineAt(range.head).from;
      if (linePos > last) {
        last = linePos;
        marks2.push(activeLineGutterMarker.range(linePos));
      }
    }
    return RangeSet.of(marks2);
  });
  function highlightActiveLineGutter() {
    return activeLineGutterHighlighter;
  }

  // node_modules/@lezer/common/dist/index.js
  var DefaultBufferLength = 1024;
  var nextPropID = 0;
  var Range2 = class {
    constructor(from, to) {
      this.from = from;
      this.to = to;
    }
  };
  var NodeProp = class {
    /**
    Create a new node prop type.
    */
    constructor(config2 = {}) {
      this.id = nextPropID++;
      this.perNode = !!config2.perNode;
      this.deserialize = config2.deserialize || (() => {
        throw new Error("This node type doesn't define a deserialize function");
      });
    }
    /**
    This is meant to be used with
    [`NodeSet.extend`](#common.NodeSet.extend) or
    [`LRParser.configure`](#lr.ParserConfig.props) to compute
    prop values for each node type in the set. Takes a [match
    object](#common.NodeType^match) or function that returns undefined
    if the node type doesn't get this prop, and the prop's value if
    it does.
    */
    add(match) {
      if (this.perNode)
        throw new RangeError("Can't add per-node props to node types");
      if (typeof match != "function")
        match = NodeType.match(match);
      return (type) => {
        let result = match(type);
        return result === void 0 ? null : [this, result];
      };
    }
  };
  NodeProp.closedBy = new NodeProp({ deserialize: (str) => str.split(" ") });
  NodeProp.openedBy = new NodeProp({ deserialize: (str) => str.split(" ") });
  NodeProp.group = new NodeProp({ deserialize: (str) => str.split(" ") });
  NodeProp.isolate = new NodeProp({ deserialize: (value) => {
    if (value && value != "rtl" && value != "ltr" && value != "auto")
      throw new RangeError("Invalid value for isolate: " + value);
    return value || "auto";
  } });
  NodeProp.contextHash = new NodeProp({ perNode: true });
  NodeProp.lookAhead = new NodeProp({ perNode: true });
  NodeProp.mounted = new NodeProp({ perNode: true });
  var MountedTree = class {
    constructor(tree, overlay, parser5) {
      this.tree = tree;
      this.overlay = overlay;
      this.parser = parser5;
    }
    /**
    @internal
    */
    static get(tree) {
      return tree && tree.props && tree.props[NodeProp.mounted.id];
    }
  };
  var noProps = /* @__PURE__ */ Object.create(null);
  var NodeType = class _NodeType {
    /**
    @internal
    */
    constructor(name2, props, id2, flags = 0) {
      this.name = name2;
      this.props = props;
      this.id = id2;
      this.flags = flags;
    }
    /**
    Define a node type.
    */
    static define(spec) {
      let props = spec.props && spec.props.length ? /* @__PURE__ */ Object.create(null) : noProps;
      let flags = (spec.top ? 1 : 0) | (spec.skipped ? 2 : 0) | (spec.error ? 4 : 0) | (spec.name == null ? 8 : 0);
      let type = new _NodeType(spec.name || "", props, spec.id, flags);
      if (spec.props)
        for (let src of spec.props) {
          if (!Array.isArray(src))
            src = src(type);
          if (src) {
            if (src[0].perNode)
              throw new RangeError("Can't store a per-node prop on a node type");
            props[src[0].id] = src[1];
          }
        }
      return type;
    }
    /**
    Retrieves a node prop for this type. Will return `undefined` if
    the prop isn't present on this node.
    */
    prop(prop) {
      return this.props[prop.id];
    }
    /**
    True when this is the top node of a grammar.
    */
    get isTop() {
      return (this.flags & 1) > 0;
    }
    /**
    True when this node is produced by a skip rule.
    */
    get isSkipped() {
      return (this.flags & 2) > 0;
    }
    /**
    Indicates whether this is an error node.
    */
    get isError() {
      return (this.flags & 4) > 0;
    }
    /**
    When true, this node type doesn't correspond to a user-declared
    named node, for example because it is used to cache repetition.
    */
    get isAnonymous() {
      return (this.flags & 8) > 0;
    }
    /**
    Returns true when this node's name or one of its
    [groups](#common.NodeProp^group) matches the given string.
    */
    is(name2) {
      if (typeof name2 == "string") {
        if (this.name == name2)
          return true;
        let group = this.prop(NodeProp.group);
        return group ? group.indexOf(name2) > -1 : false;
      }
      return this.id == name2;
    }
    /**
    Create a function from node types to arbitrary values by
    specifying an object whose property names are node or
    [group](#common.NodeProp^group) names. Often useful with
    [`NodeProp.add`](#common.NodeProp.add). You can put multiple
    names, separated by spaces, in a single property name to map
    multiple node names to a single value.
    */
    static match(map) {
      let direct = /* @__PURE__ */ Object.create(null);
      for (let prop in map)
        for (let name2 of prop.split(" "))
          direct[name2] = map[prop];
      return (node) => {
        for (let groups = node.prop(NodeProp.group), i = -1; i < (groups ? groups.length : 0); i++) {
          let found = direct[i < 0 ? node.name : groups[i]];
          if (found)
            return found;
        }
      };
    }
  };
  NodeType.none = new NodeType(
    "",
    /* @__PURE__ */ Object.create(null),
    0,
    8
    /* NodeFlag.Anonymous */
  );
  var NodeSet = class _NodeSet {
    /**
    Create a set with the given types. The `id` property of each
    type should correspond to its position within the array.
    */
    constructor(types2) {
      this.types = types2;
      for (let i = 0; i < types2.length; i++)
        if (types2[i].id != i)
          throw new RangeError("Node type ids should correspond to array positions when creating a node set");
    }
    /**
    Create a copy of this set with some node properties added. The
    arguments to this method can be created with
    [`NodeProp.add`](#common.NodeProp.add).
    */
    extend(...props) {
      let newTypes = [];
      for (let type of this.types) {
        let newProps = null;
        for (let source of props) {
          let add2 = source(type);
          if (add2) {
            if (!newProps)
              newProps = Object.assign({}, type.props);
            newProps[add2[0].id] = add2[1];
          }
        }
        newTypes.push(newProps ? new NodeType(type.name, newProps, type.id, type.flags) : type);
      }
      return new _NodeSet(newTypes);
    }
  };
  var CachedNode = /* @__PURE__ */ new WeakMap();
  var CachedInnerNode = /* @__PURE__ */ new WeakMap();
  var IterMode;
  (function(IterMode2) {
    IterMode2[IterMode2["ExcludeBuffers"] = 1] = "ExcludeBuffers";
    IterMode2[IterMode2["IncludeAnonymous"] = 2] = "IncludeAnonymous";
    IterMode2[IterMode2["IgnoreMounts"] = 4] = "IgnoreMounts";
    IterMode2[IterMode2["IgnoreOverlays"] = 8] = "IgnoreOverlays";
  })(IterMode || (IterMode = {}));
  var Tree = class _Tree {
    /**
    Construct a new tree. See also [`Tree.build`](#common.Tree^build).
    */
    constructor(type, children, positions, length, props) {
      this.type = type;
      this.children = children;
      this.positions = positions;
      this.length = length;
      this.props = null;
      if (props && props.length) {
        this.props = /* @__PURE__ */ Object.create(null);
        for (let [prop, value] of props)
          this.props[typeof prop == "number" ? prop : prop.id] = value;
      }
    }
    /**
    @internal
    */
    toString() {
      let mounted = MountedTree.get(this);
      if (mounted && !mounted.overlay)
        return mounted.tree.toString();
      let children = "";
      for (let ch of this.children) {
        let str = ch.toString();
        if (str) {
          if (children)
            children += ",";
          children += str;
        }
      }
      return !this.type.name ? children : (/\W/.test(this.type.name) && !this.type.isError ? JSON.stringify(this.type.name) : this.type.name) + (children.length ? "(" + children + ")" : "");
    }
    /**
    Get a [tree cursor](#common.TreeCursor) positioned at the top of
    the tree. Mode can be used to [control](#common.IterMode) which
    nodes the cursor visits.
    */
    cursor(mode = 0) {
      return new TreeCursor(this.topNode, mode);
    }
    /**
    Get a [tree cursor](#common.TreeCursor) pointing into this tree
    at the given position and side (see
    [`moveTo`](#common.TreeCursor.moveTo).
    */
    cursorAt(pos, side = 0, mode = 0) {
      let scope = CachedNode.get(this) || this.topNode;
      let cursor = new TreeCursor(scope);
      cursor.moveTo(pos, side);
      CachedNode.set(this, cursor._tree);
      return cursor;
    }
    /**
    Get a [syntax node](#common.SyntaxNode) object for the top of the
    tree.
    */
    get topNode() {
      return new TreeNode(this, 0, 0, null);
    }
    /**
    Get the [syntax node](#common.SyntaxNode) at the given position.
    If `side` is -1, this will move into nodes that end at the
    position. If 1, it'll move into nodes that start at the
    position. With 0, it'll only enter nodes that cover the position
    from both sides.
    
    Note that this will not enter
    [overlays](#common.MountedTree.overlay), and you often want
    [`resolveInner`](#common.Tree.resolveInner) instead.
    */
    resolve(pos, side = 0) {
      let node = resolveNode(CachedNode.get(this) || this.topNode, pos, side, false);
      CachedNode.set(this, node);
      return node;
    }
    /**
    Like [`resolve`](#common.Tree.resolve), but will enter
    [overlaid](#common.MountedTree.overlay) nodes, producing a syntax node
    pointing into the innermost overlaid tree at the given position
    (with parent links going through all parent structure, including
    the host trees).
    */
    resolveInner(pos, side = 0) {
      let node = resolveNode(CachedInnerNode.get(this) || this.topNode, pos, side, true);
      CachedInnerNode.set(this, node);
      return node;
    }
    /**
    In some situations, it can be useful to iterate through all
    nodes around a position, including those in overlays that don't
    directly cover the position. This method gives you an iterator
    that will produce all nodes, from small to big, around the given
    position.
    */
    resolveStack(pos, side = 0) {
      return stackIterator(this, pos, side);
    }
    /**
    Iterate over the tree and its children, calling `enter` for any
    node that touches the `from`/`to` region (if given) before
    running over such a node's children, and `leave` (if given) when
    leaving the node. When `enter` returns `false`, that node will
    not have its children iterated over (or `leave` called).
    */
    iterate(spec) {
      let { enter, leave, from = 0, to = this.length } = spec;
      let mode = spec.mode || 0, anon = (mode & IterMode.IncludeAnonymous) > 0;
      for (let c = this.cursor(mode | IterMode.IncludeAnonymous); ; ) {
        let entered = false;
        if (c.from <= to && c.to >= from && (!anon && c.type.isAnonymous || enter(c) !== false)) {
          if (c.firstChild())
            continue;
          entered = true;
        }
        for (; ; ) {
          if (entered && leave && (anon || !c.type.isAnonymous))
            leave(c);
          if (c.nextSibling())
            break;
          if (!c.parent())
            return;
          entered = true;
        }
      }
    }
    /**
    Get the value of the given [node prop](#common.NodeProp) for this
    node. Works with both per-node and per-type props.
    */
    prop(prop) {
      return !prop.perNode ? this.type.prop(prop) : this.props ? this.props[prop.id] : void 0;
    }
    /**
    Returns the node's [per-node props](#common.NodeProp.perNode) in a
    format that can be passed to the [`Tree`](#common.Tree)
    constructor.
    */
    get propValues() {
      let result = [];
      if (this.props)
        for (let id2 in this.props)
          result.push([+id2, this.props[id2]]);
      return result;
    }
    /**
    Balance the direct children of this tree, producing a copy of
    which may have children grouped into subtrees with type
    [`NodeType.none`](#common.NodeType^none).
    */
    balance(config2 = {}) {
      return this.children.length <= 8 ? this : balanceRange(NodeType.none, this.children, this.positions, 0, this.children.length, 0, this.length, (children, positions, length) => new _Tree(this.type, children, positions, length, this.propValues), config2.makeTree || ((children, positions, length) => new _Tree(NodeType.none, children, positions, length)));
    }
    /**
    Build a tree from a postfix-ordered buffer of node information,
    or a cursor over such a buffer.
    */
    static build(data2) {
      return buildTree(data2);
    }
  };
  Tree.empty = new Tree(NodeType.none, [], [], 0);
  var FlatBufferCursor = class _FlatBufferCursor {
    constructor(buffer, index) {
      this.buffer = buffer;
      this.index = index;
    }
    get id() {
      return this.buffer[this.index - 4];
    }
    get start() {
      return this.buffer[this.index - 3];
    }
    get end() {
      return this.buffer[this.index - 2];
    }
    get size() {
      return this.buffer[this.index - 1];
    }
    get pos() {
      return this.index;
    }
    next() {
      this.index -= 4;
    }
    fork() {
      return new _FlatBufferCursor(this.buffer, this.index);
    }
  };
  var TreeBuffer = class _TreeBuffer {
    /**
    Create a tree buffer.
    */
    constructor(buffer, length, set) {
      this.buffer = buffer;
      this.length = length;
      this.set = set;
    }
    /**
    @internal
    */
    get type() {
      return NodeType.none;
    }
    /**
    @internal
    */
    toString() {
      let result = [];
      for (let index = 0; index < this.buffer.length; ) {
        result.push(this.childString(index));
        index = this.buffer[index + 3];
      }
      return result.join(",");
    }
    /**
    @internal
    */
    childString(index) {
      let id2 = this.buffer[index], endIndex = this.buffer[index + 3];
      let type = this.set.types[id2], result = type.name;
      if (/\W/.test(result) && !type.isError)
        result = JSON.stringify(result);
      index += 4;
      if (endIndex == index)
        return result;
      let children = [];
      while (index < endIndex) {
        children.push(this.childString(index));
        index = this.buffer[index + 3];
      }
      return result + "(" + children.join(",") + ")";
    }
    /**
    @internal
    */
    findChild(startIndex, endIndex, dir, pos, side) {
      let { buffer } = this, pick = -1;
      for (let i = startIndex; i != endIndex; i = buffer[i + 3]) {
        if (checkSide(side, pos, buffer[i + 1], buffer[i + 2])) {
          pick = i;
          if (dir > 0)
            break;
        }
      }
      return pick;
    }
    /**
    @internal
    */
    slice(startI, endI, from) {
      let b = this.buffer;
      let copy = new Uint16Array(endI - startI), len = 0;
      for (let i = startI, j = 0; i < endI; ) {
        copy[j++] = b[i++];
        copy[j++] = b[i++] - from;
        let to = copy[j++] = b[i++] - from;
        copy[j++] = b[i++] - startI;
        len = Math.max(len, to);
      }
      return new _TreeBuffer(copy, len, this.set);
    }
  };
  function checkSide(side, pos, from, to) {
    switch (side) {
      case -2:
        return from < pos;
      case -1:
        return to >= pos && from < pos;
      case 0:
        return from < pos && to > pos;
      case 1:
        return from <= pos && to > pos;
      case 2:
        return to > pos;
      case 4:
        return true;
    }
  }
  function resolveNode(node, pos, side, overlays) {
    var _a2;
    while (node.from == node.to || (side < 1 ? node.from >= pos : node.from > pos) || (side > -1 ? node.to <= pos : node.to < pos)) {
      let parent = !overlays && node instanceof TreeNode && node.index < 0 ? null : node.parent;
      if (!parent)
        return node;
      node = parent;
    }
    let mode = overlays ? 0 : IterMode.IgnoreOverlays;
    if (overlays)
      for (let scan = node, parent = scan.parent; parent; scan = parent, parent = scan.parent) {
        if (scan instanceof TreeNode && scan.index < 0 && ((_a2 = parent.enter(pos, side, mode)) === null || _a2 === void 0 ? void 0 : _a2.from) != scan.from)
          node = parent;
      }
    for (; ; ) {
      let inner = node.enter(pos, side, mode);
      if (!inner)
        return node;
      node = inner;
    }
  }
  var BaseNode = class {
    cursor(mode = 0) {
      return new TreeCursor(this, mode);
    }
    getChild(type, before = null, after = null) {
      let r = getChildren(this, type, before, after);
      return r.length ? r[0] : null;
    }
    getChildren(type, before = null, after = null) {
      return getChildren(this, type, before, after);
    }
    resolve(pos, side = 0) {
      return resolveNode(this, pos, side, false);
    }
    resolveInner(pos, side = 0) {
      return resolveNode(this, pos, side, true);
    }
    matchContext(context) {
      return matchNodeContext(this, context);
    }
    enterUnfinishedNodesBefore(pos) {
      let scan = this.childBefore(pos), node = this;
      while (scan) {
        let last = scan.lastChild;
        if (!last || last.to != scan.to)
          break;
        if (last.type.isError && last.from == last.to) {
          node = scan;
          scan = last.prevSibling;
        } else {
          scan = last;
        }
      }
      return node;
    }
    get node() {
      return this;
    }
    get next() {
      return this.parent;
    }
  };
  var TreeNode = class _TreeNode extends BaseNode {
    constructor(_tree, from, index, _parent) {
      super();
      this._tree = _tree;
      this.from = from;
      this.index = index;
      this._parent = _parent;
    }
    get type() {
      return this._tree.type;
    }
    get name() {
      return this._tree.type.name;
    }
    get to() {
      return this.from + this._tree.length;
    }
    nextChild(i, dir, pos, side, mode = 0) {
      for (let parent = this; ; ) {
        for (let { children, positions } = parent._tree, e = dir > 0 ? children.length : -1; i != e; i += dir) {
          let next = children[i], start = positions[i] + parent.from;
          if (!checkSide(side, pos, start, start + next.length))
            continue;
          if (next instanceof TreeBuffer) {
            if (mode & IterMode.ExcludeBuffers)
              continue;
            let index = next.findChild(0, next.buffer.length, dir, pos - start, side);
            if (index > -1)
              return new BufferNode(new BufferContext(parent, next, i, start), null, index);
          } else if (mode & IterMode.IncludeAnonymous || (!next.type.isAnonymous || hasChild(next))) {
            let mounted;
            if (!(mode & IterMode.IgnoreMounts) && (mounted = MountedTree.get(next)) && !mounted.overlay)
              return new _TreeNode(mounted.tree, start, i, parent);
            let inner = new _TreeNode(next, start, i, parent);
            return mode & IterMode.IncludeAnonymous || !inner.type.isAnonymous ? inner : inner.nextChild(dir < 0 ? next.children.length - 1 : 0, dir, pos, side);
          }
        }
        if (mode & IterMode.IncludeAnonymous || !parent.type.isAnonymous)
          return null;
        if (parent.index >= 0)
          i = parent.index + dir;
        else
          i = dir < 0 ? -1 : parent._parent._tree.children.length;
        parent = parent._parent;
        if (!parent)
          return null;
      }
    }
    get firstChild() {
      return this.nextChild(
        0,
        1,
        0,
        4
        /* Side.DontCare */
      );
    }
    get lastChild() {
      return this.nextChild(
        this._tree.children.length - 1,
        -1,
        0,
        4
        /* Side.DontCare */
      );
    }
    childAfter(pos) {
      return this.nextChild(
        0,
        1,
        pos,
        2
        /* Side.After */
      );
    }
    childBefore(pos) {
      return this.nextChild(
        this._tree.children.length - 1,
        -1,
        pos,
        -2
        /* Side.Before */
      );
    }
    enter(pos, side, mode = 0) {
      let mounted;
      if (!(mode & IterMode.IgnoreOverlays) && (mounted = MountedTree.get(this._tree)) && mounted.overlay) {
        let rPos = pos - this.from;
        for (let { from, to } of mounted.overlay) {
          if ((side > 0 ? from <= rPos : from < rPos) && (side < 0 ? to >= rPos : to > rPos))
            return new _TreeNode(mounted.tree, mounted.overlay[0].from + this.from, -1, this);
        }
      }
      return this.nextChild(0, 1, pos, side, mode);
    }
    nextSignificantParent() {
      let val = this;
      while (val.type.isAnonymous && val._parent)
        val = val._parent;
      return val;
    }
    get parent() {
      return this._parent ? this._parent.nextSignificantParent() : null;
    }
    get nextSibling() {
      return this._parent && this.index >= 0 ? this._parent.nextChild(
        this.index + 1,
        1,
        0,
        4
        /* Side.DontCare */
      ) : null;
    }
    get prevSibling() {
      return this._parent && this.index >= 0 ? this._parent.nextChild(
        this.index - 1,
        -1,
        0,
        4
        /* Side.DontCare */
      ) : null;
    }
    get tree() {
      return this._tree;
    }
    toTree() {
      return this._tree;
    }
    /**
    @internal
    */
    toString() {
      return this._tree.toString();
    }
  };
  function getChildren(node, type, before, after) {
    let cur2 = node.cursor(), result = [];
    if (!cur2.firstChild())
      return result;
    if (before != null)
      for (let found = false; !found; ) {
        found = cur2.type.is(before);
        if (!cur2.nextSibling())
          return result;
      }
    for (; ; ) {
      if (after != null && cur2.type.is(after))
        return result;
      if (cur2.type.is(type))
        result.push(cur2.node);
      if (!cur2.nextSibling())
        return after == null ? result : [];
    }
  }
  function matchNodeContext(node, context, i = context.length - 1) {
    for (let p = node.parent; i >= 0; p = p.parent) {
      if (!p)
        return false;
      if (!p.type.isAnonymous) {
        if (context[i] && context[i] != p.name)
          return false;
        i--;
      }
    }
    return true;
  }
  var BufferContext = class {
    constructor(parent, buffer, index, start) {
      this.parent = parent;
      this.buffer = buffer;
      this.index = index;
      this.start = start;
    }
  };
  var BufferNode = class _BufferNode extends BaseNode {
    get name() {
      return this.type.name;
    }
    get from() {
      return this.context.start + this.context.buffer.buffer[this.index + 1];
    }
    get to() {
      return this.context.start + this.context.buffer.buffer[this.index + 2];
    }
    constructor(context, _parent, index) {
      super();
      this.context = context;
      this._parent = _parent;
      this.index = index;
      this.type = context.buffer.set.types[context.buffer.buffer[index]];
    }
    child(dir, pos, side) {
      let { buffer } = this.context;
      let index = buffer.findChild(this.index + 4, buffer.buffer[this.index + 3], dir, pos - this.context.start, side);
      return index < 0 ? null : new _BufferNode(this.context, this, index);
    }
    get firstChild() {
      return this.child(
        1,
        0,
        4
        /* Side.DontCare */
      );
    }
    get lastChild() {
      return this.child(
        -1,
        0,
        4
        /* Side.DontCare */
      );
    }
    childAfter(pos) {
      return this.child(
        1,
        pos,
        2
        /* Side.After */
      );
    }
    childBefore(pos) {
      return this.child(
        -1,
        pos,
        -2
        /* Side.Before */
      );
    }
    enter(pos, side, mode = 0) {
      if (mode & IterMode.ExcludeBuffers)
        return null;
      let { buffer } = this.context;
      let index = buffer.findChild(this.index + 4, buffer.buffer[this.index + 3], side > 0 ? 1 : -1, pos - this.context.start, side);
      return index < 0 ? null : new _BufferNode(this.context, this, index);
    }
    get parent() {
      return this._parent || this.context.parent.nextSignificantParent();
    }
    externalSibling(dir) {
      return this._parent ? null : this.context.parent.nextChild(
        this.context.index + dir,
        dir,
        0,
        4
        /* Side.DontCare */
      );
    }
    get nextSibling() {
      let { buffer } = this.context;
      let after = buffer.buffer[this.index + 3];
      if (after < (this._parent ? buffer.buffer[this._parent.index + 3] : buffer.buffer.length))
        return new _BufferNode(this.context, this._parent, after);
      return this.externalSibling(1);
    }
    get prevSibling() {
      let { buffer } = this.context;
      let parentStart = this._parent ? this._parent.index + 4 : 0;
      if (this.index == parentStart)
        return this.externalSibling(-1);
      return new _BufferNode(this.context, this._parent, buffer.findChild(
        parentStart,
        this.index,
        -1,
        0,
        4
        /* Side.DontCare */
      ));
    }
    get tree() {
      return null;
    }
    toTree() {
      let children = [], positions = [];
      let { buffer } = this.context;
      let startI = this.index + 4, endI = buffer.buffer[this.index + 3];
      if (endI > startI) {
        let from = buffer.buffer[this.index + 1];
        children.push(buffer.slice(startI, endI, from));
        positions.push(0);
      }
      return new Tree(this.type, children, positions, this.to - this.from);
    }
    /**
    @internal
    */
    toString() {
      return this.context.buffer.childString(this.index);
    }
  };
  function iterStack(heads) {
    if (!heads.length)
      return null;
    let pick = 0, picked = heads[0];
    for (let i = 1; i < heads.length; i++) {
      let node = heads[i];
      if (node.from > picked.from || node.to < picked.to) {
        picked = node;
        pick = i;
      }
    }
    let next = picked instanceof TreeNode && picked.index < 0 ? null : picked.parent;
    let newHeads = heads.slice();
    if (next)
      newHeads[pick] = next;
    else
      newHeads.splice(pick, 1);
    return new StackIterator(newHeads, picked);
  }
  var StackIterator = class {
    constructor(heads, node) {
      this.heads = heads;
      this.node = node;
    }
    get next() {
      return iterStack(this.heads);
    }
  };
  function stackIterator(tree, pos, side) {
    let inner = tree.resolveInner(pos, side), layers = null;
    for (let scan = inner instanceof TreeNode ? inner : inner.context.parent; scan; scan = scan.parent) {
      if (scan.index < 0) {
        let parent = scan.parent;
        (layers || (layers = [inner])).push(parent.resolve(pos, side));
        scan = parent;
      } else {
        let mount = MountedTree.get(scan.tree);
        if (mount && mount.overlay && mount.overlay[0].from <= pos && mount.overlay[mount.overlay.length - 1].to >= pos) {
          let root = new TreeNode(mount.tree, mount.overlay[0].from + scan.from, -1, scan);
          (layers || (layers = [inner])).push(resolveNode(root, pos, side, false));
        }
      }
    }
    return layers ? iterStack(layers) : inner;
  }
  var TreeCursor = class {
    /**
    Shorthand for `.type.name`.
    */
    get name() {
      return this.type.name;
    }
    /**
    @internal
    */
    constructor(node, mode = 0) {
      this.mode = mode;
      this.buffer = null;
      this.stack = [];
      this.index = 0;
      this.bufferNode = null;
      if (node instanceof TreeNode) {
        this.yieldNode(node);
      } else {
        this._tree = node.context.parent;
        this.buffer = node.context;
        for (let n = node._parent; n; n = n._parent)
          this.stack.unshift(n.index);
        this.bufferNode = node;
        this.yieldBuf(node.index);
      }
    }
    yieldNode(node) {
      if (!node)
        return false;
      this._tree = node;
      this.type = node.type;
      this.from = node.from;
      this.to = node.to;
      return true;
    }
    yieldBuf(index, type) {
      this.index = index;
      let { start, buffer } = this.buffer;
      this.type = type || buffer.set.types[buffer.buffer[index]];
      this.from = start + buffer.buffer[index + 1];
      this.to = start + buffer.buffer[index + 2];
      return true;
    }
    /**
    @internal
    */
    yield(node) {
      if (!node)
        return false;
      if (node instanceof TreeNode) {
        this.buffer = null;
        return this.yieldNode(node);
      }
      this.buffer = node.context;
      return this.yieldBuf(node.index, node.type);
    }
    /**
    @internal
    */
    toString() {
      return this.buffer ? this.buffer.buffer.childString(this.index) : this._tree.toString();
    }
    /**
    @internal
    */
    enterChild(dir, pos, side) {
      if (!this.buffer)
        return this.yield(this._tree.nextChild(dir < 0 ? this._tree._tree.children.length - 1 : 0, dir, pos, side, this.mode));
      let { buffer } = this.buffer;
      let index = buffer.findChild(this.index + 4, buffer.buffer[this.index + 3], dir, pos - this.buffer.start, side);
      if (index < 0)
        return false;
      this.stack.push(this.index);
      return this.yieldBuf(index);
    }
    /**
    Move the cursor to this node's first child. When this returns
    false, the node has no child, and the cursor has not been moved.
    */
    firstChild() {
      return this.enterChild(
        1,
        0,
        4
        /* Side.DontCare */
      );
    }
    /**
    Move the cursor to this node's last child.
    */
    lastChild() {
      return this.enterChild(
        -1,
        0,
        4
        /* Side.DontCare */
      );
    }
    /**
    Move the cursor to the first child that ends after `pos`.
    */
    childAfter(pos) {
      return this.enterChild(
        1,
        pos,
        2
        /* Side.After */
      );
    }
    /**
    Move to the last child that starts before `pos`.
    */
    childBefore(pos) {
      return this.enterChild(
        -1,
        pos,
        -2
        /* Side.Before */
      );
    }
    /**
    Move the cursor to the child around `pos`. If side is -1 the
    child may end at that position, when 1 it may start there. This
    will also enter [overlaid](#common.MountedTree.overlay)
    [mounted](#common.NodeProp^mounted) trees unless `overlays` is
    set to false.
    */
    enter(pos, side, mode = this.mode) {
      if (!this.buffer)
        return this.yield(this._tree.enter(pos, side, mode));
      return mode & IterMode.ExcludeBuffers ? false : this.enterChild(1, pos, side);
    }
    /**
    Move to the node's parent node, if this isn't the top node.
    */
    parent() {
      if (!this.buffer)
        return this.yieldNode(this.mode & IterMode.IncludeAnonymous ? this._tree._parent : this._tree.parent);
      if (this.stack.length)
        return this.yieldBuf(this.stack.pop());
      let parent = this.mode & IterMode.IncludeAnonymous ? this.buffer.parent : this.buffer.parent.nextSignificantParent();
      this.buffer = null;
      return this.yieldNode(parent);
    }
    /**
    @internal
    */
    sibling(dir) {
      if (!this.buffer)
        return !this._tree._parent ? false : this.yield(this._tree.index < 0 ? null : this._tree._parent.nextChild(this._tree.index + dir, dir, 0, 4, this.mode));
      let { buffer } = this.buffer, d = this.stack.length - 1;
      if (dir < 0) {
        let parentStart = d < 0 ? 0 : this.stack[d] + 4;
        if (this.index != parentStart)
          return this.yieldBuf(buffer.findChild(
            parentStart,
            this.index,
            -1,
            0,
            4
            /* Side.DontCare */
          ));
      } else {
        let after = buffer.buffer[this.index + 3];
        if (after < (d < 0 ? buffer.buffer.length : buffer.buffer[this.stack[d] + 3]))
          return this.yieldBuf(after);
      }
      return d < 0 ? this.yield(this.buffer.parent.nextChild(this.buffer.index + dir, dir, 0, 4, this.mode)) : false;
    }
    /**
    Move to this node's next sibling, if any.
    */
    nextSibling() {
      return this.sibling(1);
    }
    /**
    Move to this node's previous sibling, if any.
    */
    prevSibling() {
      return this.sibling(-1);
    }
    atLastNode(dir) {
      let index, parent, { buffer } = this;
      if (buffer) {
        if (dir > 0) {
          if (this.index < buffer.buffer.buffer.length)
            return false;
        } else {
          for (let i = 0; i < this.index; i++)
            if (buffer.buffer.buffer[i + 3] < this.index)
              return false;
        }
        ({ index, parent } = buffer);
      } else {
        ({ index, _parent: parent } = this._tree);
      }
      for (; parent; { index, _parent: parent } = parent) {
        if (index > -1)
          for (let i = index + dir, e = dir < 0 ? -1 : parent._tree.children.length; i != e; i += dir) {
            let child = parent._tree.children[i];
            if (this.mode & IterMode.IncludeAnonymous || child instanceof TreeBuffer || !child.type.isAnonymous || hasChild(child))
              return false;
          }
      }
      return true;
    }
    move(dir, enter) {
      if (enter && this.enterChild(
        dir,
        0,
        4
        /* Side.DontCare */
      ))
        return true;
      for (; ; ) {
        if (this.sibling(dir))
          return true;
        if (this.atLastNode(dir) || !this.parent())
          return false;
      }
    }
    /**
    Move to the next node in a
    [pre-order](https://en.wikipedia.org/wiki/Tree_traversal#Pre-order,_NLR)
    traversal, going from a node to its first child or, if the
    current node is empty or `enter` is false, its next sibling or
    the next sibling of the first parent node that has one.
    */
    next(enter = true) {
      return this.move(1, enter);
    }
    /**
    Move to the next node in a last-to-first pre-order traveral. A
    node is followed by its last child or, if it has none, its
    previous sibling or the previous sibling of the first parent
    node that has one.
    */
    prev(enter = true) {
      return this.move(-1, enter);
    }
    /**
    Move the cursor to the innermost node that covers `pos`. If
    `side` is -1, it will enter nodes that end at `pos`. If it is 1,
    it will enter nodes that start at `pos`.
    */
    moveTo(pos, side = 0) {
      while (this.from == this.to || (side < 1 ? this.from >= pos : this.from > pos) || (side > -1 ? this.to <= pos : this.to < pos))
        if (!this.parent())
          break;
      while (this.enterChild(1, pos, side)) {
      }
      return this;
    }
    /**
    Get a [syntax node](#common.SyntaxNode) at the cursor's current
    position.
    */
    get node() {
      if (!this.buffer)
        return this._tree;
      let cache2 = this.bufferNode, result = null, depth = 0;
      if (cache2 && cache2.context == this.buffer) {
        scan: for (let index = this.index, d = this.stack.length; d >= 0; ) {
          for (let c = cache2; c; c = c._parent)
            if (c.index == index) {
              if (index == this.index)
                return c;
              result = c;
              depth = d + 1;
              break scan;
            }
          index = this.stack[--d];
        }
      }
      for (let i = depth; i < this.stack.length; i++)
        result = new BufferNode(this.buffer, result, this.stack[i]);
      return this.bufferNode = new BufferNode(this.buffer, result, this.index);
    }
    /**
    Get the [tree](#common.Tree) that represents the current node, if
    any. Will return null when the node is in a [tree
    buffer](#common.TreeBuffer).
    */
    get tree() {
      return this.buffer ? null : this._tree._tree;
    }
    /**
    Iterate over the current node and all its descendants, calling
    `enter` when entering a node and `leave`, if given, when leaving
    one. When `enter` returns `false`, any children of that node are
    skipped, and `leave` isn't called for it.
    */
    iterate(enter, leave) {
      for (let depth = 0; ; ) {
        let mustLeave = false;
        if (this.type.isAnonymous || enter(this) !== false) {
          if (this.firstChild()) {
            depth++;
            continue;
          }
          if (!this.type.isAnonymous)
            mustLeave = true;
        }
        for (; ; ) {
          if (mustLeave && leave)
            leave(this);
          mustLeave = this.type.isAnonymous;
          if (this.nextSibling())
            break;
          if (!depth)
            return;
          this.parent();
          depth--;
          mustLeave = true;
        }
      }
    }
    /**
    Test whether the current node matches a given context—a sequence
    of direct parent node names. Empty strings in the context array
    are treated as wildcards.
    */
    matchContext(context) {
      if (!this.buffer)
        return matchNodeContext(this.node, context);
      let { buffer } = this.buffer, { types: types2 } = buffer.set;
      for (let i = context.length - 1, d = this.stack.length - 1; i >= 0; d--) {
        if (d < 0)
          return matchNodeContext(this.node, context, i);
        let type = types2[buffer.buffer[this.stack[d]]];
        if (!type.isAnonymous) {
          if (context[i] && context[i] != type.name)
            return false;
          i--;
        }
      }
      return true;
    }
  };
  function hasChild(tree) {
    return tree.children.some((ch) => ch instanceof TreeBuffer || !ch.type.isAnonymous || hasChild(ch));
  }
  function buildTree(data2) {
    var _a2;
    let { buffer, nodeSet, maxBufferLength = DefaultBufferLength, reused = [], minRepeatType = nodeSet.types.length } = data2;
    let cursor = Array.isArray(buffer) ? new FlatBufferCursor(buffer, buffer.length) : buffer;
    let types2 = nodeSet.types;
    let contextHash = 0, lookAhead = 0;
    function takeNode(parentStart, minPos, children2, positions2, inRepeat, depth) {
      let { id: id2, start, end, size } = cursor;
      let lookAheadAtStart = lookAhead;
      while (size < 0) {
        cursor.next();
        if (size == -1) {
          let node2 = reused[id2];
          children2.push(node2);
          positions2.push(start - parentStart);
          return;
        } else if (size == -3) {
          contextHash = id2;
          return;
        } else if (size == -4) {
          lookAhead = id2;
          return;
        } else {
          throw new RangeError(`Unrecognized record size: ${size}`);
        }
      }
      let type = types2[id2], node, buffer2;
      let startPos = start - parentStart;
      if (end - start <= maxBufferLength && (buffer2 = findBufferSize(cursor.pos - minPos, inRepeat))) {
        let data3 = new Uint16Array(buffer2.size - buffer2.skip);
        let endPos = cursor.pos - buffer2.size, index = data3.length;
        while (cursor.pos > endPos)
          index = copyToBuffer(buffer2.start, data3, index);
        node = new TreeBuffer(data3, end - buffer2.start, nodeSet);
        startPos = buffer2.start - parentStart;
      } else {
        let endPos = cursor.pos - size;
        cursor.next();
        let localChildren = [], localPositions = [];
        let localInRepeat = id2 >= minRepeatType ? id2 : -1;
        let lastGroup = 0, lastEnd = end;
        while (cursor.pos > endPos) {
          if (localInRepeat >= 0 && cursor.id == localInRepeat && cursor.size >= 0) {
            if (cursor.end <= lastEnd - maxBufferLength) {
              makeRepeatLeaf(localChildren, localPositions, start, lastGroup, cursor.end, lastEnd, localInRepeat, lookAheadAtStart);
              lastGroup = localChildren.length;
              lastEnd = cursor.end;
            }
            cursor.next();
          } else if (depth > 2500) {
            takeFlatNode(start, endPos, localChildren, localPositions);
          } else {
            takeNode(start, endPos, localChildren, localPositions, localInRepeat, depth + 1);
          }
        }
        if (localInRepeat >= 0 && lastGroup > 0 && lastGroup < localChildren.length)
          makeRepeatLeaf(localChildren, localPositions, start, lastGroup, start, lastEnd, localInRepeat, lookAheadAtStart);
        localChildren.reverse();
        localPositions.reverse();
        if (localInRepeat > -1 && lastGroup > 0) {
          let make = makeBalanced(type);
          node = balanceRange(type, localChildren, localPositions, 0, localChildren.length, 0, end - start, make, make);
        } else {
          node = makeTree(type, localChildren, localPositions, end - start, lookAheadAtStart - end);
        }
      }
      children2.push(node);
      positions2.push(startPos);
    }
    function takeFlatNode(parentStart, minPos, children2, positions2) {
      let nodes = [];
      let nodeCount = 0, stopAt = -1;
      while (cursor.pos > minPos) {
        let { id: id2, start, end, size } = cursor;
        if (size > 4) {
          cursor.next();
        } else if (stopAt > -1 && start < stopAt) {
          break;
        } else {
          if (stopAt < 0)
            stopAt = end - maxBufferLength;
          nodes.push(id2, start, end);
          nodeCount++;
          cursor.next();
        }
      }
      if (nodeCount) {
        let buffer2 = new Uint16Array(nodeCount * 4);
        let start = nodes[nodes.length - 2];
        for (let i = nodes.length - 3, j = 0; i >= 0; i -= 3) {
          buffer2[j++] = nodes[i];
          buffer2[j++] = nodes[i + 1] - start;
          buffer2[j++] = nodes[i + 2] - start;
          buffer2[j++] = j;
        }
        children2.push(new TreeBuffer(buffer2, nodes[2] - start, nodeSet));
        positions2.push(start - parentStart);
      }
    }
    function makeBalanced(type) {
      return (children2, positions2, length2) => {
        let lookAhead2 = 0, lastI = children2.length - 1, last, lookAheadProp;
        if (lastI >= 0 && (last = children2[lastI]) instanceof Tree) {
          if (!lastI && last.type == type && last.length == length2)
            return last;
          if (lookAheadProp = last.prop(NodeProp.lookAhead))
            lookAhead2 = positions2[lastI] + last.length + lookAheadProp;
        }
        return makeTree(type, children2, positions2, length2, lookAhead2);
      };
    }
    function makeRepeatLeaf(children2, positions2, base2, i, from, to, type, lookAhead2) {
      let localChildren = [], localPositions = [];
      while (children2.length > i) {
        localChildren.push(children2.pop());
        localPositions.push(positions2.pop() + base2 - from);
      }
      children2.push(makeTree(nodeSet.types[type], localChildren, localPositions, to - from, lookAhead2 - to));
      positions2.push(from - base2);
    }
    function makeTree(type, children2, positions2, length2, lookAhead2 = 0, props) {
      if (contextHash) {
        let pair2 = [NodeProp.contextHash, contextHash];
        props = props ? [pair2].concat(props) : [pair2];
      }
      if (lookAhead2 > 25) {
        let pair2 = [NodeProp.lookAhead, lookAhead2];
        props = props ? [pair2].concat(props) : [pair2];
      }
      return new Tree(type, children2, positions2, length2, props);
    }
    function findBufferSize(maxSize, inRepeat) {
      let fork = cursor.fork();
      let size = 0, start = 0, skip = 0, minStart = fork.end - maxBufferLength;
      let result = { size: 0, start: 0, skip: 0 };
      scan: for (let minPos = fork.pos - maxSize; fork.pos > minPos; ) {
        let nodeSize2 = fork.size;
        if (fork.id == inRepeat && nodeSize2 >= 0) {
          result.size = size;
          result.start = start;
          result.skip = skip;
          skip += 4;
          size += 4;
          fork.next();
          continue;
        }
        let startPos = fork.pos - nodeSize2;
        if (nodeSize2 < 0 || startPos < minPos || fork.start < minStart)
          break;
        let localSkipped = fork.id >= minRepeatType ? 4 : 0;
        let nodeStart2 = fork.start;
        fork.next();
        while (fork.pos > startPos) {
          if (fork.size < 0) {
            if (fork.size == -3)
              localSkipped += 4;
            else
              break scan;
          } else if (fork.id >= minRepeatType) {
            localSkipped += 4;
          }
          fork.next();
        }
        start = nodeStart2;
        size += nodeSize2;
        skip += localSkipped;
      }
      if (inRepeat < 0 || size == maxSize) {
        result.size = size;
        result.start = start;
        result.skip = skip;
      }
      return result.size > 4 ? result : void 0;
    }
    function copyToBuffer(bufferStart, buffer2, index) {
      let { id: id2, start, end, size } = cursor;
      cursor.next();
      if (size >= 0 && id2 < minRepeatType) {
        let startIndex = index;
        if (size > 4) {
          let endPos = cursor.pos - (size - 4);
          while (cursor.pos > endPos)
            index = copyToBuffer(bufferStart, buffer2, index);
        }
        buffer2[--index] = startIndex;
        buffer2[--index] = end - bufferStart;
        buffer2[--index] = start - bufferStart;
        buffer2[--index] = id2;
      } else if (size == -3) {
        contextHash = id2;
      } else if (size == -4) {
        lookAhead = id2;
      }
      return index;
    }
    let children = [], positions = [];
    while (cursor.pos > 0)
      takeNode(data2.start || 0, data2.bufferStart || 0, children, positions, -1, 0);
    let length = (_a2 = data2.length) !== null && _a2 !== void 0 ? _a2 : children.length ? positions[0] + children[0].length : 0;
    return new Tree(types2[data2.topID], children.reverse(), positions.reverse(), length);
  }
  var nodeSizeCache = /* @__PURE__ */ new WeakMap();
  function nodeSize(balanceType, node) {
    if (!balanceType.isAnonymous || node instanceof TreeBuffer || node.type != balanceType)
      return 1;
    let size = nodeSizeCache.get(node);
    if (size == null) {
      size = 1;
      for (let child of node.children) {
        if (child.type != balanceType || !(child instanceof Tree)) {
          size = 1;
          break;
        }
        size += nodeSize(balanceType, child);
      }
      nodeSizeCache.set(node, size);
    }
    return size;
  }
  function balanceRange(balanceType, children, positions, from, to, start, length, mkTop, mkTree) {
    let total = 0;
    for (let i = from; i < to; i++)
      total += nodeSize(balanceType, children[i]);
    let maxChild = Math.ceil(
      total * 1.5 / 8
      /* Balance.BranchFactor */
    );
    let localChildren = [], localPositions = [];
    function divide(children2, positions2, from2, to2, offset) {
      for (let i = from2; i < to2; ) {
        let groupFrom = i, groupStart = positions2[i], groupSize = nodeSize(balanceType, children2[i]);
        i++;
        for (; i < to2; i++) {
          let nextSize = nodeSize(balanceType, children2[i]);
          if (groupSize + nextSize >= maxChild)
            break;
          groupSize += nextSize;
        }
        if (i == groupFrom + 1) {
          if (groupSize > maxChild) {
            let only = children2[groupFrom];
            divide(only.children, only.positions, 0, only.children.length, positions2[groupFrom] + offset);
            continue;
          }
          localChildren.push(children2[groupFrom]);
        } else {
          let length2 = positions2[i - 1] + children2[i - 1].length - groupStart;
          localChildren.push(balanceRange(balanceType, children2, positions2, groupFrom, i, groupStart, length2, null, mkTree));
        }
        localPositions.push(groupStart + offset - start);
      }
    }
    divide(children, positions, from, to, 0);
    return (mkTop || mkTree)(localChildren, localPositions, length);
  }
  var NodeWeakMap = class {
    constructor() {
      this.map = /* @__PURE__ */ new WeakMap();
    }
    setBuffer(buffer, index, value) {
      let inner = this.map.get(buffer);
      if (!inner)
        this.map.set(buffer, inner = /* @__PURE__ */ new Map());
      inner.set(index, value);
    }
    getBuffer(buffer, index) {
      let inner = this.map.get(buffer);
      return inner && inner.get(index);
    }
    /**
    Set the value for this syntax node.
    */
    set(node, value) {
      if (node instanceof BufferNode)
        this.setBuffer(node.context.buffer, node.index, value);
      else if (node instanceof TreeNode)
        this.map.set(node.tree, value);
    }
    /**
    Retrieve value for this syntax node, if it exists in the map.
    */
    get(node) {
      return node instanceof BufferNode ? this.getBuffer(node.context.buffer, node.index) : node instanceof TreeNode ? this.map.get(node.tree) : void 0;
    }
    /**
    Set the value for the node that a cursor currently points to.
    */
    cursorSet(cursor, value) {
      if (cursor.buffer)
        this.setBuffer(cursor.buffer.buffer, cursor.index, value);
      else
        this.map.set(cursor.tree, value);
    }
    /**
    Retrieve the value for the node that a cursor currently points
    to.
    */
    cursorGet(cursor) {
      return cursor.buffer ? this.getBuffer(cursor.buffer.buffer, cursor.index) : this.map.get(cursor.tree);
    }
  };
  var TreeFragment = class _TreeFragment {
    /**
    Construct a tree fragment. You'll usually want to use
    [`addTree`](#common.TreeFragment^addTree) and
    [`applyChanges`](#common.TreeFragment^applyChanges) instead of
    calling this directly.
    */
    constructor(from, to, tree, offset, openStart = false, openEnd = false) {
      this.from = from;
      this.to = to;
      this.tree = tree;
      this.offset = offset;
      this.open = (openStart ? 1 : 0) | (openEnd ? 2 : 0);
    }
    /**
    Whether the start of the fragment represents the start of a
    parse, or the end of a change. (In the second case, it may not
    be safe to reuse some nodes at the start, depending on the
    parsing algorithm.)
    */
    get openStart() {
      return (this.open & 1) > 0;
    }
    /**
    Whether the end of the fragment represents the end of a
    full-document parse, or the start of a change.
    */
    get openEnd() {
      return (this.open & 2) > 0;
    }
    /**
    Create a set of fragments from a freshly parsed tree, or update
    an existing set of fragments by replacing the ones that overlap
    with a tree with content from the new tree. When `partial` is
    true, the parse is treated as incomplete, and the resulting
    fragment has [`openEnd`](#common.TreeFragment.openEnd) set to
    true.
    */
    static addTree(tree, fragments = [], partial = false) {
      let result = [new _TreeFragment(0, tree.length, tree, 0, false, partial)];
      for (let f of fragments)
        if (f.to > tree.length)
          result.push(f);
      return result;
    }
    /**
    Apply a set of edits to an array of fragments, removing or
    splitting fragments as necessary to remove edited ranges, and
    adjusting offsets for fragments that moved.
    */
    static applyChanges(fragments, changes, minGap = 128) {
      if (!changes.length)
        return fragments;
      let result = [];
      let fI = 1, nextF = fragments.length ? fragments[0] : null;
      for (let cI = 0, pos = 0, off = 0; ; cI++) {
        let nextC = cI < changes.length ? changes[cI] : null;
        let nextPos = nextC ? nextC.fromA : 1e9;
        if (nextPos - pos >= minGap)
          while (nextF && nextF.from < nextPos) {
            let cut = nextF;
            if (pos >= cut.from || nextPos <= cut.to || off) {
              let fFrom = Math.max(cut.from, pos) - off, fTo = Math.min(cut.to, nextPos) - off;
              cut = fFrom >= fTo ? null : new _TreeFragment(fFrom, fTo, cut.tree, cut.offset + off, cI > 0, !!nextC);
            }
            if (cut)
              result.push(cut);
            if (nextF.to > nextPos)
              break;
            nextF = fI < fragments.length ? fragments[fI++] : null;
          }
        if (!nextC)
          break;
        pos = nextC.toA;
        off = nextC.toA - nextC.toB;
      }
      return result;
    }
  };
  var Parser = class {
    /**
    Start a parse, returning a [partial parse](#common.PartialParse)
    object. [`fragments`](#common.TreeFragment) can be passed in to
    make the parse incremental.
    
    By default, the entire input is parsed. You can pass `ranges`,
    which should be a sorted array of non-empty, non-overlapping
    ranges, to parse only those ranges. The tree returned in that
    case will start at `ranges[0].from`.
    */
    startParse(input, fragments, ranges) {
      if (typeof input == "string")
        input = new StringInput(input);
      ranges = !ranges ? [new Range2(0, input.length)] : ranges.length ? ranges.map((r) => new Range2(r.from, r.to)) : [new Range2(0, 0)];
      return this.createParse(input, fragments || [], ranges);
    }
    /**
    Run a full parse, returning the resulting tree.
    */
    parse(input, fragments, ranges) {
      let parse = this.startParse(input, fragments, ranges);
      for (; ; ) {
        let done = parse.advance();
        if (done)
          return done;
      }
    }
  };
  var StringInput = class {
    constructor(string2) {
      this.string = string2;
    }
    get length() {
      return this.string.length;
    }
    chunk(from) {
      return this.string.slice(from);
    }
    get lineChunks() {
      return false;
    }
    read(from, to) {
      return this.string.slice(from, to);
    }
  };
  function parseMixed(nest) {
    return (parse, input, fragments, ranges) => new MixedParse(parse, nest, input, fragments, ranges);
  }
  var InnerParse = class {
    constructor(parser5, parse, overlay, target, from) {
      this.parser = parser5;
      this.parse = parse;
      this.overlay = overlay;
      this.target = target;
      this.from = from;
    }
  };
  function checkRanges(ranges) {
    if (!ranges.length || ranges.some((r) => r.from >= r.to))
      throw new RangeError("Invalid inner parse ranges given: " + JSON.stringify(ranges));
  }
  var ActiveOverlay = class {
    constructor(parser5, predicate, mounts, index, start, target, prev) {
      this.parser = parser5;
      this.predicate = predicate;
      this.mounts = mounts;
      this.index = index;
      this.start = start;
      this.target = target;
      this.prev = prev;
      this.depth = 0;
      this.ranges = [];
    }
  };
  var stoppedInner = new NodeProp({ perNode: true });
  var MixedParse = class {
    constructor(base2, nest, input, fragments, ranges) {
      this.nest = nest;
      this.input = input;
      this.fragments = fragments;
      this.ranges = ranges;
      this.inner = [];
      this.innerDone = 0;
      this.baseTree = null;
      this.stoppedAt = null;
      this.baseParse = base2;
    }
    advance() {
      if (this.baseParse) {
        let done2 = this.baseParse.advance();
        if (!done2)
          return null;
        this.baseParse = null;
        this.baseTree = done2;
        this.startInner();
        if (this.stoppedAt != null)
          for (let inner2 of this.inner)
            inner2.parse.stopAt(this.stoppedAt);
      }
      if (this.innerDone == this.inner.length) {
        let result = this.baseTree;
        if (this.stoppedAt != null)
          result = new Tree(result.type, result.children, result.positions, result.length, result.propValues.concat([[stoppedInner, this.stoppedAt]]));
        return result;
      }
      let inner = this.inner[this.innerDone], done = inner.parse.advance();
      if (done) {
        this.innerDone++;
        let props = Object.assign(/* @__PURE__ */ Object.create(null), inner.target.props);
        props[NodeProp.mounted.id] = new MountedTree(done, inner.overlay, inner.parser);
        inner.target.props = props;
      }
      return null;
    }
    get parsedPos() {
      if (this.baseParse)
        return 0;
      let pos = this.input.length;
      for (let i = this.innerDone; i < this.inner.length; i++) {
        if (this.inner[i].from < pos)
          pos = Math.min(pos, this.inner[i].parse.parsedPos);
      }
      return pos;
    }
    stopAt(pos) {
      this.stoppedAt = pos;
      if (this.baseParse)
        this.baseParse.stopAt(pos);
      else
        for (let i = this.innerDone; i < this.inner.length; i++)
          this.inner[i].parse.stopAt(pos);
    }
    startInner() {
      let fragmentCursor = new FragmentCursor(this.fragments);
      let overlay = null;
      let covered = null;
      let cursor = new TreeCursor(new TreeNode(this.baseTree, this.ranges[0].from, 0, null), IterMode.IncludeAnonymous | IterMode.IgnoreMounts);
      scan: for (let nest, isCovered; ; ) {
        let enter = true, range;
        if (this.stoppedAt != null && cursor.from >= this.stoppedAt) {
          enter = false;
        } else if (fragmentCursor.hasNode(cursor)) {
          if (overlay) {
            let match = overlay.mounts.find((m) => m.frag.from <= cursor.from && m.frag.to >= cursor.to && m.mount.overlay);
            if (match)
              for (let r of match.mount.overlay) {
                let from = r.from + match.pos, to = r.to + match.pos;
                if (from >= cursor.from && to <= cursor.to && !overlay.ranges.some((r2) => r2.from < to && r2.to > from))
                  overlay.ranges.push({ from, to });
              }
          }
          enter = false;
        } else if (covered && (isCovered = checkCover(covered.ranges, cursor.from, cursor.to))) {
          enter = isCovered != 2;
        } else if (!cursor.type.isAnonymous && (nest = this.nest(cursor, this.input)) && (cursor.from < cursor.to || !nest.overlay)) {
          if (!cursor.tree)
            materialize(cursor);
          let oldMounts = fragmentCursor.findMounts(cursor.from, nest.parser);
          if (typeof nest.overlay == "function") {
            overlay = new ActiveOverlay(nest.parser, nest.overlay, oldMounts, this.inner.length, cursor.from, cursor.tree, overlay);
          } else {
            let ranges = punchRanges(this.ranges, nest.overlay || (cursor.from < cursor.to ? [new Range2(cursor.from, cursor.to)] : []));
            if (ranges.length)
              checkRanges(ranges);
            if (ranges.length || !nest.overlay)
              this.inner.push(new InnerParse(nest.parser, ranges.length ? nest.parser.startParse(this.input, enterFragments(oldMounts, ranges), ranges) : nest.parser.startParse(""), nest.overlay ? nest.overlay.map((r) => new Range2(r.from - cursor.from, r.to - cursor.from)) : null, cursor.tree, ranges.length ? ranges[0].from : cursor.from));
            if (!nest.overlay)
              enter = false;
            else if (ranges.length)
              covered = { ranges, depth: 0, prev: covered };
          }
        } else if (overlay && (range = overlay.predicate(cursor))) {
          if (range === true)
            range = new Range2(cursor.from, cursor.to);
          if (range.from < range.to)
            overlay.ranges.push(range);
        }
        if (enter && cursor.firstChild()) {
          if (overlay)
            overlay.depth++;
          if (covered)
            covered.depth++;
        } else {
          for (; ; ) {
            if (cursor.nextSibling())
              break;
            if (!cursor.parent())
              break scan;
            if (overlay && !--overlay.depth) {
              let ranges = punchRanges(this.ranges, overlay.ranges);
              if (ranges.length) {
                checkRanges(ranges);
                this.inner.splice(overlay.index, 0, new InnerParse(overlay.parser, overlay.parser.startParse(this.input, enterFragments(overlay.mounts, ranges), ranges), overlay.ranges.map((r) => new Range2(r.from - overlay.start, r.to - overlay.start)), overlay.target, ranges[0].from));
              }
              overlay = overlay.prev;
            }
            if (covered && !--covered.depth)
              covered = covered.prev;
          }
        }
      }
    }
  };
  function checkCover(covered, from, to) {
    for (let range of covered) {
      if (range.from >= to)
        break;
      if (range.to > from)
        return range.from <= from && range.to >= to ? 2 : 1;
    }
    return 0;
  }
  function sliceBuf(buf, startI, endI, nodes, positions, off) {
    if (startI < endI) {
      let from = buf.buffer[startI + 1];
      nodes.push(buf.slice(startI, endI, from));
      positions.push(from - off);
    }
  }
  function materialize(cursor) {
    let { node } = cursor, stack = [];
    let buffer = node.context.buffer;
    do {
      stack.push(cursor.index);
      cursor.parent();
    } while (!cursor.tree);
    let base2 = cursor.tree, i = base2.children.indexOf(buffer);
    let buf = base2.children[i], b = buf.buffer, newStack = [i];
    function split(startI, endI, type, innerOffset, length, stackPos) {
      let targetI = stack[stackPos];
      let children = [], positions = [];
      sliceBuf(buf, startI, targetI, children, positions, innerOffset);
      let from = b[targetI + 1], to = b[targetI + 2];
      newStack.push(children.length);
      let child = stackPos ? split(targetI + 4, b[targetI + 3], buf.set.types[b[targetI]], from, to - from, stackPos - 1) : node.toTree();
      children.push(child);
      positions.push(from - innerOffset);
      sliceBuf(buf, b[targetI + 3], endI, children, positions, innerOffset);
      return new Tree(type, children, positions, length);
    }
    base2.children[i] = split(0, b.length, NodeType.none, 0, buf.length, stack.length - 1);
    for (let index of newStack) {
      let tree = cursor.tree.children[index], pos = cursor.tree.positions[index];
      cursor.yield(new TreeNode(tree, pos + cursor.from, index, cursor._tree));
    }
  }
  var StructureCursor = class {
    constructor(root, offset) {
      this.offset = offset;
      this.done = false;
      this.cursor = root.cursor(IterMode.IncludeAnonymous | IterMode.IgnoreMounts);
    }
    // Move to the first node (in pre-order) that starts at or after `pos`.
    moveTo(pos) {
      let { cursor } = this, p = pos - this.offset;
      while (!this.done && cursor.from < p) {
        if (cursor.to >= pos && cursor.enter(p, 1, IterMode.IgnoreOverlays | IterMode.ExcludeBuffers)) ;
        else if (!cursor.next(false))
          this.done = true;
      }
    }
    hasNode(cursor) {
      this.moveTo(cursor.from);
      if (!this.done && this.cursor.from + this.offset == cursor.from && this.cursor.tree) {
        for (let tree = this.cursor.tree; ; ) {
          if (tree == cursor.tree)
            return true;
          if (tree.children.length && tree.positions[0] == 0 && tree.children[0] instanceof Tree)
            tree = tree.children[0];
          else
            break;
        }
      }
      return false;
    }
  };
  var FragmentCursor = class {
    constructor(fragments) {
      var _a2;
      this.fragments = fragments;
      this.curTo = 0;
      this.fragI = 0;
      if (fragments.length) {
        let first = this.curFrag = fragments[0];
        this.curTo = (_a2 = first.tree.prop(stoppedInner)) !== null && _a2 !== void 0 ? _a2 : first.to;
        this.inner = new StructureCursor(first.tree, -first.offset);
      } else {
        this.curFrag = this.inner = null;
      }
    }
    hasNode(node) {
      while (this.curFrag && node.from >= this.curTo)
        this.nextFrag();
      return this.curFrag && this.curFrag.from <= node.from && this.curTo >= node.to && this.inner.hasNode(node);
    }
    nextFrag() {
      var _a2;
      this.fragI++;
      if (this.fragI == this.fragments.length) {
        this.curFrag = this.inner = null;
      } else {
        let frag = this.curFrag = this.fragments[this.fragI];
        this.curTo = (_a2 = frag.tree.prop(stoppedInner)) !== null && _a2 !== void 0 ? _a2 : frag.to;
        this.inner = new StructureCursor(frag.tree, -frag.offset);
      }
    }
    findMounts(pos, parser5) {
      var _a2;
      let result = [];
      if (this.inner) {
        this.inner.cursor.moveTo(pos, 1);
        for (let pos2 = this.inner.cursor.node; pos2; pos2 = pos2.parent) {
          let mount = (_a2 = pos2.tree) === null || _a2 === void 0 ? void 0 : _a2.prop(NodeProp.mounted);
          if (mount && mount.parser == parser5) {
            for (let i = this.fragI; i < this.fragments.length; i++) {
              let frag = this.fragments[i];
              if (frag.from >= pos2.to)
                break;
              if (frag.tree == this.curFrag.tree)
                result.push({
                  frag,
                  pos: pos2.from - frag.offset,
                  mount
                });
            }
          }
        }
      }
      return result;
    }
  };
  function punchRanges(outer, ranges) {
    let copy = null, current = ranges;
    for (let i = 1, j = 0; i < outer.length; i++) {
      let gapFrom = outer[i - 1].to, gapTo = outer[i].from;
      for (; j < current.length; j++) {
        let r = current[j];
        if (r.from >= gapTo)
          break;
        if (r.to <= gapFrom)
          continue;
        if (!copy)
          current = copy = ranges.slice();
        if (r.from < gapFrom) {
          copy[j] = new Range2(r.from, gapFrom);
          if (r.to > gapTo)
            copy.splice(j + 1, 0, new Range2(gapTo, r.to));
        } else if (r.to > gapTo) {
          copy[j--] = new Range2(gapTo, r.to);
        } else {
          copy.splice(j--, 1);
        }
      }
    }
    return current;
  }
  function findCoverChanges(a, b, from, to) {
    let iA = 0, iB = 0, inA = false, inB = false, pos = -1e9;
    let result = [];
    for (; ; ) {
      let nextA = iA == a.length ? 1e9 : inA ? a[iA].to : a[iA].from;
      let nextB = iB == b.length ? 1e9 : inB ? b[iB].to : b[iB].from;
      if (inA != inB) {
        let start = Math.max(pos, from), end = Math.min(nextA, nextB, to);
        if (start < end)
          result.push(new Range2(start, end));
      }
      pos = Math.min(nextA, nextB);
      if (pos == 1e9)
        break;
      if (nextA == pos) {
        if (!inA)
          inA = true;
        else {
          inA = false;
          iA++;
        }
      }
      if (nextB == pos) {
        if (!inB)
          inB = true;
        else {
          inB = false;
          iB++;
        }
      }
    }
    return result;
  }
  function enterFragments(mounts, ranges) {
    let result = [];
    for (let { pos, mount, frag } of mounts) {
      let startPos = pos + (mount.overlay ? mount.overlay[0].from : 0), endPos = startPos + mount.tree.length;
      let from = Math.max(frag.from, startPos), to = Math.min(frag.to, endPos);
      if (mount.overlay) {
        let overlay = mount.overlay.map((r) => new Range2(r.from + pos, r.to + pos));
        let changes = findCoverChanges(ranges, overlay, from, to);
        for (let i = 0, pos2 = from; ; i++) {
          let last = i == changes.length, end = last ? to : changes[i].from;
          if (end > pos2)
            result.push(new TreeFragment(pos2, end, mount.tree, -startPos, frag.from >= pos2 || frag.openStart, frag.to <= end || frag.openEnd));
          if (last)
            break;
          pos2 = changes[i].to;
        }
      } else {
        result.push(new TreeFragment(from, to, mount.tree, -startPos, frag.from >= startPos || frag.openStart, frag.to <= endPos || frag.openEnd));
      }
    }
    return result;
  }

  // node_modules/@lezer/highlight/dist/index.js
  var nextTagID = 0;
  var Tag = class _Tag {
    /**
    @internal
    */
    constructor(set, base2, modified) {
      this.set = set;
      this.base = base2;
      this.modified = modified;
      this.id = nextTagID++;
    }
    /**
    Define a new tag. If `parent` is given, the tag is treated as a
    sub-tag of that parent, and
    [highlighters](#highlight.tagHighlighter) that don't mention
    this tag will try to fall back to the parent tag (or grandparent
    tag, etc).
    */
    static define(parent) {
      if (parent === null || parent === void 0 ? void 0 : parent.base)
        throw new Error("Can not derive from a modified tag");
      let tag = new _Tag([], null, []);
      tag.set.push(tag);
      if (parent)
        for (let t2 of parent.set)
          tag.set.push(t2);
      return tag;
    }
    /**
    Define a tag _modifier_, which is a function that, given a tag,
    will return a tag that is a subtag of the original. Applying the
    same modifier to a twice tag will return the same value (`m1(t1)
    == m1(t1)`) and applying multiple modifiers will, regardless or
    order, produce the same tag (`m1(m2(t1)) == m2(m1(t1))`).
    
    When multiple modifiers are applied to a given base tag, each
    smaller set of modifiers is registered as a parent, so that for
    example `m1(m2(m3(t1)))` is a subtype of `m1(m2(t1))`,
    `m1(m3(t1)`, and so on.
    */
    static defineModifier() {
      let mod = new Modifier();
      return (tag) => {
        if (tag.modified.indexOf(mod) > -1)
          return tag;
        return Modifier.get(tag.base || tag, tag.modified.concat(mod).sort((a, b) => a.id - b.id));
      };
    }
  };
  var nextModifierID = 0;
  var Modifier = class _Modifier {
    constructor() {
      this.instances = [];
      this.id = nextModifierID++;
    }
    static get(base2, mods) {
      if (!mods.length)
        return base2;
      let exists = mods[0].instances.find((t2) => t2.base == base2 && sameArray2(mods, t2.modified));
      if (exists)
        return exists;
      let set = [], tag = new Tag(set, base2, mods);
      for (let m of mods)
        m.instances.push(tag);
      let configs = powerSet(mods);
      for (let parent of base2.set)
        if (!parent.modified.length)
          for (let config2 of configs)
            set.push(_Modifier.get(parent, config2));
      return tag;
    }
  };
  function sameArray2(a, b) {
    return a.length == b.length && a.every((x, i) => x == b[i]);
  }
  function powerSet(array) {
    let sets = [[]];
    for (let i = 0; i < array.length; i++) {
      for (let j = 0, e = sets.length; j < e; j++) {
        sets.push(sets[j].concat(array[i]));
      }
    }
    return sets.sort((a, b) => b.length - a.length);
  }
  function styleTags(spec) {
    let byName = /* @__PURE__ */ Object.create(null);
    for (let prop in spec) {
      let tags3 = spec[prop];
      if (!Array.isArray(tags3))
        tags3 = [tags3];
      for (let part of prop.split(" "))
        if (part) {
          let pieces = [], mode = 2, rest = part;
          for (let pos = 0; ; ) {
            if (rest == "..." && pos > 0 && pos + 3 == part.length) {
              mode = 1;
              break;
            }
            let m = /^"(?:[^"\\]|\\.)*?"|[^\/!]+/.exec(rest);
            if (!m)
              throw new RangeError("Invalid path: " + part);
            pieces.push(m[0] == "*" ? "" : m[0][0] == '"' ? JSON.parse(m[0]) : m[0]);
            pos += m[0].length;
            if (pos == part.length)
              break;
            let next = part[pos++];
            if (pos == part.length && next == "!") {
              mode = 0;
              break;
            }
            if (next != "/")
              throw new RangeError("Invalid path: " + part);
            rest = part.slice(pos);
          }
          let last = pieces.length - 1, inner = pieces[last];
          if (!inner)
            throw new RangeError("Invalid path: " + part);
          let rule = new Rule(tags3, mode, last > 0 ? pieces.slice(0, last) : null);
          byName[inner] = rule.sort(byName[inner]);
        }
    }
    return ruleNodeProp.add(byName);
  }
  var ruleNodeProp = new NodeProp();
  var Rule = class {
    constructor(tags3, mode, context, next) {
      this.tags = tags3;
      this.mode = mode;
      this.context = context;
      this.next = next;
    }
    get opaque() {
      return this.mode == 0;
    }
    get inherit() {
      return this.mode == 1;
    }
    sort(other) {
      if (!other || other.depth < this.depth) {
        this.next = other;
        return this;
      }
      other.next = this.sort(other.next);
      return other;
    }
    get depth() {
      return this.context ? this.context.length : 0;
    }
  };
  Rule.empty = new Rule([], 2, null);
  function tagHighlighter(tags3, options) {
    let map = /* @__PURE__ */ Object.create(null);
    for (let style of tags3) {
      if (!Array.isArray(style.tag))
        map[style.tag.id] = style.class;
      else
        for (let tag of style.tag)
          map[tag.id] = style.class;
    }
    let { scope, all = null } = options || {};
    return {
      style: (tags4) => {
        let cls = all;
        for (let tag of tags4) {
          for (let sub of tag.set) {
            let tagClass = map[sub.id];
            if (tagClass) {
              cls = cls ? cls + " " + tagClass : tagClass;
              break;
            }
          }
        }
        return cls;
      },
      scope
    };
  }
  function highlightTags(highlighters, tags3) {
    let result = null;
    for (let highlighter of highlighters) {
      let value = highlighter.style(tags3);
      if (value)
        result = result ? result + " " + value : value;
    }
    return result;
  }
  function highlightTree(tree, highlighter, putStyle, from = 0, to = tree.length) {
    let builder = new HighlightBuilder(from, Array.isArray(highlighter) ? highlighter : [highlighter], putStyle);
    builder.highlightRange(tree.cursor(), from, to, "", builder.highlighters);
    builder.flush(to);
  }
  var HighlightBuilder = class {
    constructor(at, highlighters, span) {
      this.at = at;
      this.highlighters = highlighters;
      this.span = span;
      this.class = "";
    }
    startSpan(at, cls) {
      if (cls != this.class) {
        this.flush(at);
        if (at > this.at)
          this.at = at;
        this.class = cls;
      }
    }
    flush(to) {
      if (to > this.at && this.class)
        this.span(this.at, to, this.class);
    }
    highlightRange(cursor, from, to, inheritedClass, highlighters) {
      let { type, from: start, to: end } = cursor;
      if (start >= to || end <= from)
        return;
      if (type.isTop)
        highlighters = this.highlighters.filter((h) => !h.scope || h.scope(type));
      let cls = inheritedClass;
      let rule = getStyleTags(cursor) || Rule.empty;
      let tagCls = highlightTags(highlighters, rule.tags);
      if (tagCls) {
        if (cls)
          cls += " ";
        cls += tagCls;
        if (rule.mode == 1)
          inheritedClass += (inheritedClass ? " " : "") + tagCls;
      }
      this.startSpan(Math.max(from, start), cls);
      if (rule.opaque)
        return;
      let mounted = cursor.tree && cursor.tree.prop(NodeProp.mounted);
      if (mounted && mounted.overlay) {
        let inner = cursor.node.enter(mounted.overlay[0].from + start, 1);
        let innerHighlighters = this.highlighters.filter((h) => !h.scope || h.scope(mounted.tree.type));
        let hasChild2 = cursor.firstChild();
        for (let i = 0, pos = start; ; i++) {
          let next = i < mounted.overlay.length ? mounted.overlay[i] : null;
          let nextPos = next ? next.from + start : end;
          let rangeFrom = Math.max(from, pos), rangeTo = Math.min(to, nextPos);
          if (rangeFrom < rangeTo && hasChild2) {
            while (cursor.from < rangeTo) {
              this.highlightRange(cursor, rangeFrom, rangeTo, inheritedClass, highlighters);
              this.startSpan(Math.min(rangeTo, cursor.to), cls);
              if (cursor.to >= nextPos || !cursor.nextSibling())
                break;
            }
          }
          if (!next || nextPos > to)
            break;
          pos = next.to + start;
          if (pos > from) {
            this.highlightRange(inner.cursor(), Math.max(from, next.from + start), Math.min(to, pos), "", innerHighlighters);
            this.startSpan(Math.min(to, pos), cls);
          }
        }
        if (hasChild2)
          cursor.parent();
      } else if (cursor.firstChild()) {
        if (mounted)
          inheritedClass = "";
        do {
          if (cursor.to <= from)
            continue;
          if (cursor.from >= to)
            break;
          this.highlightRange(cursor, from, to, inheritedClass, highlighters);
          this.startSpan(Math.min(to, cursor.to), cls);
        } while (cursor.nextSibling());
        cursor.parent();
      }
    }
  };
  function getStyleTags(node) {
    let rule = node.type.prop(ruleNodeProp);
    while (rule && rule.context && !node.matchContext(rule.context))
      rule = rule.next;
    return rule || null;
  }
  var t = Tag.define;
  var comment = t();
  var name = t();
  var typeName = t(name);
  var propertyName = t(name);
  var literal = t();
  var string = t(literal);
  var number = t(literal);
  var content = t();
  var heading = t(content);
  var keyword = t();
  var operator = t();
  var punctuation = t();
  var bracket = t(punctuation);
  var meta = t();
  var tags = {
    /**
    A comment.
    */
    comment,
    /**
    A line [comment](#highlight.tags.comment).
    */
    lineComment: t(comment),
    /**
    A block [comment](#highlight.tags.comment).
    */
    blockComment: t(comment),
    /**
    A documentation [comment](#highlight.tags.comment).
    */
    docComment: t(comment),
    /**
    Any kind of identifier.
    */
    name,
    /**
    The [name](#highlight.tags.name) of a variable.
    */
    variableName: t(name),
    /**
    A type [name](#highlight.tags.name).
    */
    typeName,
    /**
    A tag name (subtag of [`typeName`](#highlight.tags.typeName)).
    */
    tagName: t(typeName),
    /**
    A property or field [name](#highlight.tags.name).
    */
    propertyName,
    /**
    An attribute name (subtag of [`propertyName`](#highlight.tags.propertyName)).
    */
    attributeName: t(propertyName),
    /**
    The [name](#highlight.tags.name) of a class.
    */
    className: t(name),
    /**
    A label [name](#highlight.tags.name).
    */
    labelName: t(name),
    /**
    A namespace [name](#highlight.tags.name).
    */
    namespace: t(name),
    /**
    The [name](#highlight.tags.name) of a macro.
    */
    macroName: t(name),
    /**
    A literal value.
    */
    literal,
    /**
    A string [literal](#highlight.tags.literal).
    */
    string,
    /**
    A documentation [string](#highlight.tags.string).
    */
    docString: t(string),
    /**
    A character literal (subtag of [string](#highlight.tags.string)).
    */
    character: t(string),
    /**
    An attribute value (subtag of [string](#highlight.tags.string)).
    */
    attributeValue: t(string),
    /**
    A number [literal](#highlight.tags.literal).
    */
    number,
    /**
    An integer [number](#highlight.tags.number) literal.
    */
    integer: t(number),
    /**
    A floating-point [number](#highlight.tags.number) literal.
    */
    float: t(number),
    /**
    A boolean [literal](#highlight.tags.literal).
    */
    bool: t(literal),
    /**
    Regular expression [literal](#highlight.tags.literal).
    */
    regexp: t(literal),
    /**
    An escape [literal](#highlight.tags.literal), for example a
    backslash escape in a string.
    */
    escape: t(literal),
    /**
    A color [literal](#highlight.tags.literal).
    */
    color: t(literal),
    /**
    A URL [literal](#highlight.tags.literal).
    */
    url: t(literal),
    /**
    A language keyword.
    */
    keyword,
    /**
    The [keyword](#highlight.tags.keyword) for the self or this
    object.
    */
    self: t(keyword),
    /**
    The [keyword](#highlight.tags.keyword) for null.
    */
    null: t(keyword),
    /**
    A [keyword](#highlight.tags.keyword) denoting some atomic value.
    */
    atom: t(keyword),
    /**
    A [keyword](#highlight.tags.keyword) that represents a unit.
    */
    unit: t(keyword),
    /**
    A modifier [keyword](#highlight.tags.keyword).
    */
    modifier: t(keyword),
    /**
    A [keyword](#highlight.tags.keyword) that acts as an operator.
    */
    operatorKeyword: t(keyword),
    /**
    A control-flow related [keyword](#highlight.tags.keyword).
    */
    controlKeyword: t(keyword),
    /**
    A [keyword](#highlight.tags.keyword) that defines something.
    */
    definitionKeyword: t(keyword),
    /**
    A [keyword](#highlight.tags.keyword) related to defining or
    interfacing with modules.
    */
    moduleKeyword: t(keyword),
    /**
    An operator.
    */
    operator,
    /**
    An [operator](#highlight.tags.operator) that dereferences something.
    */
    derefOperator: t(operator),
    /**
    Arithmetic-related [operator](#highlight.tags.operator).
    */
    arithmeticOperator: t(operator),
    /**
    Logical [operator](#highlight.tags.operator).
    */
    logicOperator: t(operator),
    /**
    Bit [operator](#highlight.tags.operator).
    */
    bitwiseOperator: t(operator),
    /**
    Comparison [operator](#highlight.tags.operator).
    */
    compareOperator: t(operator),
    /**
    [Operator](#highlight.tags.operator) that updates its operand.
    */
    updateOperator: t(operator),
    /**
    [Operator](#highlight.tags.operator) that defines something.
    */
    definitionOperator: t(operator),
    /**
    Type-related [operator](#highlight.tags.operator).
    */
    typeOperator: t(operator),
    /**
    Control-flow [operator](#highlight.tags.operator).
    */
    controlOperator: t(operator),
    /**
    Program or markup punctuation.
    */
    punctuation,
    /**
    [Punctuation](#highlight.tags.punctuation) that separates
    things.
    */
    separator: t(punctuation),
    /**
    Bracket-style [punctuation](#highlight.tags.punctuation).
    */
    bracket,
    /**
    Angle [brackets](#highlight.tags.bracket) (usually `<` and `>`
    tokens).
    */
    angleBracket: t(bracket),
    /**
    Square [brackets](#highlight.tags.bracket) (usually `[` and `]`
    tokens).
    */
    squareBracket: t(bracket),
    /**
    Parentheses (usually `(` and `)` tokens). Subtag of
    [bracket](#highlight.tags.bracket).
    */
    paren: t(bracket),
    /**
    Braces (usually `{` and `}` tokens). Subtag of
    [bracket](#highlight.tags.bracket).
    */
    brace: t(bracket),
    /**
    Content, for example plain text in XML or markup documents.
    */
    content,
    /**
    [Content](#highlight.tags.content) that represents a heading.
    */
    heading,
    /**
    A level 1 [heading](#highlight.tags.heading).
    */
    heading1: t(heading),
    /**
    A level 2 [heading](#highlight.tags.heading).
    */
    heading2: t(heading),
    /**
    A level 3 [heading](#highlight.tags.heading).
    */
    heading3: t(heading),
    /**
    A level 4 [heading](#highlight.tags.heading).
    */
    heading4: t(heading),
    /**
    A level 5 [heading](#highlight.tags.heading).
    */
    heading5: t(heading),
    /**
    A level 6 [heading](#highlight.tags.heading).
    */
    heading6: t(heading),
    /**
    A prose separator (such as a horizontal rule).
    */
    contentSeparator: t(content),
    /**
    [Content](#highlight.tags.content) that represents a list.
    */
    list: t(content),
    /**
    [Content](#highlight.tags.content) that represents a quote.
    */
    quote: t(content),
    /**
    [Content](#highlight.tags.content) that is emphasized.
    */
    emphasis: t(content),
    /**
    [Content](#highlight.tags.content) that is styled strong.
    */
    strong: t(content),
    /**
    [Content](#highlight.tags.content) that is part of a link.
    */
    link: t(content),
    /**
    [Content](#highlight.tags.content) that is styled as code or
    monospace.
    */
    monospace: t(content),
    /**
    [Content](#highlight.tags.content) that has a strike-through
    style.
    */
    strikethrough: t(content),
    /**
    Inserted text in a change-tracking format.
    */
    inserted: t(),
    /**
    Deleted text.
    */
    deleted: t(),
    /**
    Changed text.
    */
    changed: t(),
    /**
    An invalid or unsyntactic element.
    */
    invalid: t(),
    /**
    Metadata or meta-instruction.
    */
    meta,
    /**
    [Metadata](#highlight.tags.meta) that applies to the entire
    document.
    */
    documentMeta: t(meta),
    /**
    [Metadata](#highlight.tags.meta) that annotates or adds
    attributes to a given syntactic element.
    */
    annotation: t(meta),
    /**
    Processing instruction or preprocessor directive. Subtag of
    [meta](#highlight.tags.meta).
    */
    processingInstruction: t(meta),
    /**
    [Modifier](#highlight.Tag^defineModifier) that indicates that a
    given element is being defined. Expected to be used with the
    various [name](#highlight.tags.name) tags.
    */
    definition: Tag.defineModifier(),
    /**
    [Modifier](#highlight.Tag^defineModifier) that indicates that
    something is constant. Mostly expected to be used with
    [variable names](#highlight.tags.variableName).
    */
    constant: Tag.defineModifier(),
    /**
    [Modifier](#highlight.Tag^defineModifier) used to indicate that
    a [variable](#highlight.tags.variableName) or [property
    name](#highlight.tags.propertyName) is being called or defined
    as a function.
    */
    function: Tag.defineModifier(),
    /**
    [Modifier](#highlight.Tag^defineModifier) that can be applied to
    [names](#highlight.tags.name) to indicate that they belong to
    the language's standard environment.
    */
    standard: Tag.defineModifier(),
    /**
    [Modifier](#highlight.Tag^defineModifier) that indicates a given
    [names](#highlight.tags.name) is local to some scope.
    */
    local: Tag.defineModifier(),
    /**
    A generic variant [modifier](#highlight.Tag^defineModifier) that
    can be used to tag language-specific alternative variants of
    some common tag. It is recommended for themes to define special
    forms of at least the [string](#highlight.tags.string) and
    [variable name](#highlight.tags.variableName) tags, since those
    come up a lot.
    */
    special: Tag.defineModifier()
  };
  var classHighlighter = tagHighlighter([
    { tag: tags.link, class: "tok-link" },
    { tag: tags.heading, class: "tok-heading" },
    { tag: tags.emphasis, class: "tok-emphasis" },
    { tag: tags.strong, class: "tok-strong" },
    { tag: tags.keyword, class: "tok-keyword" },
    { tag: tags.atom, class: "tok-atom" },
    { tag: tags.bool, class: "tok-bool" },
    { tag: tags.url, class: "tok-url" },
    { tag: tags.labelName, class: "tok-labelName" },
    { tag: tags.inserted, class: "tok-inserted" },
    { tag: tags.deleted, class: "tok-deleted" },
    { tag: tags.literal, class: "tok-literal" },
    { tag: tags.string, class: "tok-string" },
    { tag: tags.number, class: "tok-number" },
    { tag: [tags.regexp, tags.escape, tags.special(tags.string)], class: "tok-string2" },
    { tag: tags.variableName, class: "tok-variableName" },
    { tag: tags.local(tags.variableName), class: "tok-variableName tok-local" },
    { tag: tags.definition(tags.variableName), class: "tok-variableName tok-definition" },
    { tag: tags.special(tags.variableName), class: "tok-variableName2" },
    { tag: tags.definition(tags.propertyName), class: "tok-propertyName tok-definition" },
    { tag: tags.typeName, class: "tok-typeName" },
    { tag: tags.namespace, class: "tok-namespace" },
    { tag: tags.className, class: "tok-className" },
    { tag: tags.macroName, class: "tok-macroName" },
    { tag: tags.propertyName, class: "tok-propertyName" },
    { tag: tags.operator, class: "tok-operator" },
    { tag: tags.comment, class: "tok-comment" },
    { tag: tags.meta, class: "tok-meta" },
    { tag: tags.invalid, class: "tok-invalid" },
    { tag: tags.punctuation, class: "tok-punctuation" }
  ]);

  // node_modules/@codemirror/language/dist/index.js
  var _a;
  var languageDataProp = /* @__PURE__ */ new NodeProp();
  function defineLanguageFacet(baseData) {
    return Facet.define({
      combine: baseData ? (values2) => values2.concat(baseData) : void 0
    });
  }
  var sublanguageProp = /* @__PURE__ */ new NodeProp();
  var Language = class {
    /**
    Construct a language object. If you need to invoke this
    directly, first define a data facet with
    [`defineLanguageFacet`](https://codemirror.net/6/docs/ref/#language.defineLanguageFacet), and then
    configure your parser to [attach](https://codemirror.net/6/docs/ref/#language.languageDataProp) it
    to the language's outer syntax node.
    */
    constructor(data2, parser5, extraExtensions = [], name2 = "") {
      this.data = data2;
      this.name = name2;
      if (!EditorState.prototype.hasOwnProperty("tree"))
        Object.defineProperty(EditorState.prototype, "tree", { get() {
          return syntaxTree(this);
        } });
      this.parser = parser5;
      this.extension = [
        language.of(this),
        EditorState.languageData.of((state, pos, side) => {
          let top2 = topNodeAt(state, pos, side), data3 = top2.type.prop(languageDataProp);
          if (!data3)
            return [];
          let base2 = state.facet(data3), sub = top2.type.prop(sublanguageProp);
          if (sub) {
            let innerNode = top2.resolve(pos - top2.from, side);
            for (let sublang of sub)
              if (sublang.test(innerNode, state)) {
                let data4 = state.facet(sublang.facet);
                return sublang.type == "replace" ? data4 : data4.concat(base2);
              }
          }
          return base2;
        })
      ].concat(extraExtensions);
    }
    /**
    Query whether this language is active at the given position.
    */
    isActiveAt(state, pos, side = -1) {
      return topNodeAt(state, pos, side).type.prop(languageDataProp) == this.data;
    }
    /**
    Find the document regions that were parsed using this language.
    The returned regions will _include_ any nested languages rooted
    in this language, when those exist.
    */
    findRegions(state) {
      let lang = state.facet(language);
      if ((lang === null || lang === void 0 ? void 0 : lang.data) == this.data)
        return [{ from: 0, to: state.doc.length }];
      if (!lang || !lang.allowsNesting)
        return [];
      let result = [];
      let explore = (tree, from) => {
        if (tree.prop(languageDataProp) == this.data) {
          result.push({ from, to: from + tree.length });
          return;
        }
        let mount = tree.prop(NodeProp.mounted);
        if (mount) {
          if (mount.tree.prop(languageDataProp) == this.data) {
            if (mount.overlay)
              for (let r of mount.overlay)
                result.push({ from: r.from + from, to: r.to + from });
            else
              result.push({ from, to: from + tree.length });
            return;
          } else if (mount.overlay) {
            let size = result.length;
            explore(mount.tree, mount.overlay[0].from + from);
            if (result.length > size)
              return;
          }
        }
        for (let i = 0; i < tree.children.length; i++) {
          let ch = tree.children[i];
          if (ch instanceof Tree)
            explore(ch, tree.positions[i] + from);
        }
      };
      explore(syntaxTree(state), 0);
      return result;
    }
    /**
    Indicates whether this language allows nested languages. The
    default implementation returns true.
    */
    get allowsNesting() {
      return true;
    }
  };
  Language.setState = /* @__PURE__ */ StateEffect.define();
  function topNodeAt(state, pos, side) {
    let topLang = state.facet(language), tree = syntaxTree(state).topNode;
    if (!topLang || topLang.allowsNesting) {
      for (let node = tree; node; node = node.enter(pos, side, IterMode.ExcludeBuffers))
        if (node.type.isTop)
          tree = node;
    }
    return tree;
  }
  var LRLanguage = class _LRLanguage extends Language {
    constructor(data2, parser5, name2) {
      super(data2, parser5, [], name2);
      this.parser = parser5;
    }
    /**
    Define a language from a parser.
    */
    static define(spec) {
      let data2 = defineLanguageFacet(spec.languageData);
      return new _LRLanguage(data2, spec.parser.configure({
        props: [languageDataProp.add((type) => type.isTop ? data2 : void 0)]
      }), spec.name);
    }
    /**
    Create a new instance of this language with a reconfigured
    version of its parser and optionally a new name.
    */
    configure(options, name2) {
      return new _LRLanguage(this.data, this.parser.configure(options), name2 || this.name);
    }
    get allowsNesting() {
      return this.parser.hasWrappers();
    }
  };
  function syntaxTree(state) {
    let field = state.field(Language.state, false);
    return field ? field.tree : Tree.empty;
  }
  var DocInput = class {
    /**
    Create an input object for the given document.
    */
    constructor(doc2) {
      this.doc = doc2;
      this.cursorPos = 0;
      this.string = "";
      this.cursor = doc2.iter();
    }
    get length() {
      return this.doc.length;
    }
    syncTo(pos) {
      this.string = this.cursor.next(pos - this.cursorPos).value;
      this.cursorPos = pos + this.string.length;
      return this.cursorPos - this.string.length;
    }
    chunk(pos) {
      this.syncTo(pos);
      return this.string;
    }
    get lineChunks() {
      return true;
    }
    read(from, to) {
      let stringStart = this.cursorPos - this.string.length;
      if (from < stringStart || to >= this.cursorPos)
        return this.doc.sliceString(from, to);
      else
        return this.string.slice(from - stringStart, to - stringStart);
    }
  };
  var currentContext = null;
  var ParseContext = class _ParseContext {
    constructor(parser5, state, fragments = [], tree, treeLen, viewport, skipped, scheduleOn) {
      this.parser = parser5;
      this.state = state;
      this.fragments = fragments;
      this.tree = tree;
      this.treeLen = treeLen;
      this.viewport = viewport;
      this.skipped = skipped;
      this.scheduleOn = scheduleOn;
      this.parse = null;
      this.tempSkipped = [];
    }
    /**
    @internal
    */
    static create(parser5, state, viewport) {
      return new _ParseContext(parser5, state, [], Tree.empty, 0, viewport, [], null);
    }
    startParse() {
      return this.parser.startParse(new DocInput(this.state.doc), this.fragments);
    }
    /**
    @internal
    */
    work(until, upto) {
      if (upto != null && upto >= this.state.doc.length)
        upto = void 0;
      if (this.tree != Tree.empty && this.isDone(upto !== null && upto !== void 0 ? upto : this.state.doc.length)) {
        this.takeTree();
        return true;
      }
      return this.withContext(() => {
        var _a2;
        if (typeof until == "number") {
          let endTime = Date.now() + until;
          until = () => Date.now() > endTime;
        }
        if (!this.parse)
          this.parse = this.startParse();
        if (upto != null && (this.parse.stoppedAt == null || this.parse.stoppedAt > upto) && upto < this.state.doc.length)
          this.parse.stopAt(upto);
        for (; ; ) {
          let done = this.parse.advance();
          if (done) {
            this.fragments = this.withoutTempSkipped(TreeFragment.addTree(done, this.fragments, this.parse.stoppedAt != null));
            this.treeLen = (_a2 = this.parse.stoppedAt) !== null && _a2 !== void 0 ? _a2 : this.state.doc.length;
            this.tree = done;
            this.parse = null;
            if (this.treeLen < (upto !== null && upto !== void 0 ? upto : this.state.doc.length))
              this.parse = this.startParse();
            else
              return true;
          }
          if (until())
            return false;
        }
      });
    }
    /**
    @internal
    */
    takeTree() {
      let pos, tree;
      if (this.parse && (pos = this.parse.parsedPos) >= this.treeLen) {
        if (this.parse.stoppedAt == null || this.parse.stoppedAt > pos)
          this.parse.stopAt(pos);
        this.withContext(() => {
          while (!(tree = this.parse.advance())) {
          }
        });
        this.treeLen = pos;
        this.tree = tree;
        this.fragments = this.withoutTempSkipped(TreeFragment.addTree(this.tree, this.fragments, true));
        this.parse = null;
      }
    }
    withContext(f) {
      let prev = currentContext;
      currentContext = this;
      try {
        return f();
      } finally {
        currentContext = prev;
      }
    }
    withoutTempSkipped(fragments) {
      for (let r; r = this.tempSkipped.pop(); )
        fragments = cutFragments(fragments, r.from, r.to);
      return fragments;
    }
    /**
    @internal
    */
    changes(changes, newState) {
      let { fragments, tree, treeLen, viewport, skipped } = this;
      this.takeTree();
      if (!changes.empty) {
        let ranges = [];
        changes.iterChangedRanges((fromA, toA, fromB, toB) => ranges.push({ fromA, toA, fromB, toB }));
        fragments = TreeFragment.applyChanges(fragments, ranges);
        tree = Tree.empty;
        treeLen = 0;
        viewport = { from: changes.mapPos(viewport.from, -1), to: changes.mapPos(viewport.to, 1) };
        if (this.skipped.length) {
          skipped = [];
          for (let r of this.skipped) {
            let from = changes.mapPos(r.from, 1), to = changes.mapPos(r.to, -1);
            if (from < to)
              skipped.push({ from, to });
          }
        }
      }
      return new _ParseContext(this.parser, newState, fragments, tree, treeLen, viewport, skipped, this.scheduleOn);
    }
    /**
    @internal
    */
    updateViewport(viewport) {
      if (this.viewport.from == viewport.from && this.viewport.to == viewport.to)
        return false;
      this.viewport = viewport;
      let startLen = this.skipped.length;
      for (let i = 0; i < this.skipped.length; i++) {
        let { from, to } = this.skipped[i];
        if (from < viewport.to && to > viewport.from) {
          this.fragments = cutFragments(this.fragments, from, to);
          this.skipped.splice(i--, 1);
        }
      }
      if (this.skipped.length >= startLen)
        return false;
      this.reset();
      return true;
    }
    /**
    @internal
    */
    reset() {
      if (this.parse) {
        this.takeTree();
        this.parse = null;
      }
    }
    /**
    Notify the parse scheduler that the given region was skipped
    because it wasn't in view, and the parse should be restarted
    when it comes into view.
    */
    skipUntilInView(from, to) {
      this.skipped.push({ from, to });
    }
    /**
    Returns a parser intended to be used as placeholder when
    asynchronously loading a nested parser. It'll skip its input and
    mark it as not-really-parsed, so that the next update will parse
    it again.
    
    When `until` is given, a reparse will be scheduled when that
    promise resolves.
    */
    static getSkippingParser(until) {
      return new class extends Parser {
        createParse(input, fragments, ranges) {
          let from = ranges[0].from, to = ranges[ranges.length - 1].to;
          let parser5 = {
            parsedPos: from,
            advance() {
              let cx = currentContext;
              if (cx) {
                for (let r of ranges)
                  cx.tempSkipped.push(r);
                if (until)
                  cx.scheduleOn = cx.scheduleOn ? Promise.all([cx.scheduleOn, until]) : until;
              }
              this.parsedPos = to;
              return new Tree(NodeType.none, [], [], to - from);
            },
            stoppedAt: null,
            stopAt() {
            }
          };
          return parser5;
        }
      }();
    }
    /**
    @internal
    */
    isDone(upto) {
      upto = Math.min(upto, this.state.doc.length);
      let frags = this.fragments;
      return this.treeLen >= upto && frags.length && frags[0].from == 0 && frags[0].to >= upto;
    }
    /**
    Get the context for the current parse, or `null` if no editor
    parse is in progress.
    */
    static get() {
      return currentContext;
    }
  };
  function cutFragments(fragments, from, to) {
    return TreeFragment.applyChanges(fragments, [{ fromA: from, toA: to, fromB: from, toB: to }]);
  }
  var LanguageState = class _LanguageState {
    constructor(context) {
      this.context = context;
      this.tree = context.tree;
    }
    apply(tr) {
      if (!tr.docChanged && this.tree == this.context.tree)
        return this;
      let newCx = this.context.changes(tr.changes, tr.state);
      let upto = this.context.treeLen == tr.startState.doc.length ? void 0 : Math.max(tr.changes.mapPos(this.context.treeLen), newCx.viewport.to);
      if (!newCx.work(20, upto))
        newCx.takeTree();
      return new _LanguageState(newCx);
    }
    static init(state) {
      let vpTo = Math.min(3e3, state.doc.length);
      let parseState = ParseContext.create(state.facet(language).parser, state, { from: 0, to: vpTo });
      if (!parseState.work(20, vpTo))
        parseState.takeTree();
      return new _LanguageState(parseState);
    }
  };
  Language.state = /* @__PURE__ */ StateField.define({
    create: LanguageState.init,
    update(value, tr) {
      for (let e of tr.effects)
        if (e.is(Language.setState))
          return e.value;
      if (tr.startState.facet(language) != tr.state.facet(language))
        return LanguageState.init(tr.state);
      return value.apply(tr);
    }
  });
  var requestIdle = (callback) => {
    let timeout = setTimeout(
      () => callback(),
      500
      /* Work.MaxPause */
    );
    return () => clearTimeout(timeout);
  };
  if (typeof requestIdleCallback != "undefined")
    requestIdle = (callback) => {
      let idle = -1, timeout = setTimeout(
        () => {
          idle = requestIdleCallback(callback, {
            timeout: 500 - 100
            /* Work.MinPause */
          });
        },
        100
        /* Work.MinPause */
      );
      return () => idle < 0 ? clearTimeout(timeout) : cancelIdleCallback(idle);
    };
  var isInputPending = typeof navigator != "undefined" && ((_a = navigator.scheduling) === null || _a === void 0 ? void 0 : _a.isInputPending) ? () => navigator.scheduling.isInputPending() : null;
  var parseWorker = /* @__PURE__ */ ViewPlugin.fromClass(class ParseWorker {
    constructor(view) {
      this.view = view;
      this.working = null;
      this.workScheduled = 0;
      this.chunkEnd = -1;
      this.chunkBudget = -1;
      this.work = this.work.bind(this);
      this.scheduleWork();
    }
    update(update) {
      let cx = this.view.state.field(Language.state).context;
      if (cx.updateViewport(update.view.viewport) || this.view.viewport.to > cx.treeLen)
        this.scheduleWork();
      if (update.docChanged || update.selectionSet) {
        if (this.view.hasFocus)
          this.chunkBudget += 50;
        this.scheduleWork();
      }
      this.checkAsyncSchedule(cx);
    }
    scheduleWork() {
      if (this.working)
        return;
      let { state } = this.view, field = state.field(Language.state);
      if (field.tree != field.context.tree || !field.context.isDone(state.doc.length))
        this.working = requestIdle(this.work);
    }
    work(deadline) {
      this.working = null;
      let now = Date.now();
      if (this.chunkEnd < now && (this.chunkEnd < 0 || this.view.hasFocus)) {
        this.chunkEnd = now + 3e4;
        this.chunkBudget = 3e3;
      }
      if (this.chunkBudget <= 0)
        return;
      let { state, viewport: { to: vpTo } } = this.view, field = state.field(Language.state);
      if (field.tree == field.context.tree && field.context.isDone(
        vpTo + 1e5
        /* Work.MaxParseAhead */
      ))
        return;
      let endTime = Date.now() + Math.min(this.chunkBudget, 100, deadline && !isInputPending ? Math.max(25, deadline.timeRemaining() - 5) : 1e9);
      let viewportFirst = field.context.treeLen < vpTo && state.doc.length > vpTo + 1e3;
      let done = field.context.work(() => {
        return isInputPending && isInputPending() || Date.now() > endTime;
      }, vpTo + (viewportFirst ? 0 : 1e5));
      this.chunkBudget -= Date.now() - now;
      if (done || this.chunkBudget <= 0) {
        field.context.takeTree();
        this.view.dispatch({ effects: Language.setState.of(new LanguageState(field.context)) });
      }
      if (this.chunkBudget > 0 && !(done && !viewportFirst))
        this.scheduleWork();
      this.checkAsyncSchedule(field.context);
    }
    checkAsyncSchedule(cx) {
      if (cx.scheduleOn) {
        this.workScheduled++;
        cx.scheduleOn.then(() => this.scheduleWork()).catch((err) => logException(this.view.state, err)).then(() => this.workScheduled--);
        cx.scheduleOn = null;
      }
    }
    destroy() {
      if (this.working)
        this.working();
    }
    isWorking() {
      return !!(this.working || this.workScheduled > 0);
    }
  }, {
    eventHandlers: { focus() {
      this.scheduleWork();
    } }
  });
  var language = /* @__PURE__ */ Facet.define({
    combine(languages) {
      return languages.length ? languages[0] : null;
    },
    enables: (language2) => [
      Language.state,
      parseWorker,
      EditorView.contentAttributes.compute([language2], (state) => {
        let lang = state.facet(language2);
        return lang && lang.name ? { "data-language": lang.name } : {};
      })
    ]
  });
  var LanguageSupport = class {
    /**
    Create a language support object.
    */
    constructor(language2, support = []) {
      this.language = language2;
      this.support = support;
      this.extension = [language2, support];
    }
  };
  var LanguageDescription = class _LanguageDescription {
    constructor(name2, alias, extensions, filename, loadFunc, support = void 0) {
      this.name = name2;
      this.alias = alias;
      this.extensions = extensions;
      this.filename = filename;
      this.loadFunc = loadFunc;
      this.support = support;
      this.loading = null;
    }
    /**
    Start loading the the language. Will return a promise that
    resolves to a [`LanguageSupport`](https://codemirror.net/6/docs/ref/#language.LanguageSupport)
    object when the language successfully loads.
    */
    load() {
      return this.loading || (this.loading = this.loadFunc().then((support) => this.support = support, (err) => {
        this.loading = null;
        throw err;
      }));
    }
    /**
    Create a language description.
    */
    static of(spec) {
      let { load, support } = spec;
      if (!load) {
        if (!support)
          throw new RangeError("Must pass either 'load' or 'support' to LanguageDescription.of");
        load = () => Promise.resolve(support);
      }
      return new _LanguageDescription(spec.name, (spec.alias || []).concat(spec.name).map((s) => s.toLowerCase()), spec.extensions || [], spec.filename, load, support);
    }
    /**
    Look for a language in the given array of descriptions that
    matches the filename. Will first match
    [`filename`](https://codemirror.net/6/docs/ref/#language.LanguageDescription.filename) patterns,
    and then [extensions](https://codemirror.net/6/docs/ref/#language.LanguageDescription.extensions),
    and return the first language that matches.
    */
    static matchFilename(descs, filename) {
      for (let d of descs)
        if (d.filename && d.filename.test(filename))
          return d;
      let ext = /\.([^.]+)$/.exec(filename);
      if (ext) {
        for (let d of descs)
          if (d.extensions.indexOf(ext[1]) > -1)
            return d;
      }
      return null;
    }
    /**
    Look for a language whose name or alias matches the the given
    name (case-insensitively). If `fuzzy` is true, and no direct
    matchs is found, this'll also search for a language whose name
    or alias occurs in the string (for names shorter than three
    characters, only when surrounded by non-word characters).
    */
    static matchLanguageName(descs, name2, fuzzy = true) {
      name2 = name2.toLowerCase();
      for (let d of descs)
        if (d.alias.some((a) => a == name2))
          return d;
      if (fuzzy)
        for (let d of descs)
          for (let a of d.alias) {
            let found = name2.indexOf(a);
            if (found > -1 && (a.length > 2 || !/\w/.test(name2[found - 1]) && !/\w/.test(name2[found + a.length])))
              return d;
          }
      return null;
    }
  };
  var indentService = /* @__PURE__ */ Facet.define();
  var indentUnit = /* @__PURE__ */ Facet.define({
    combine: (values2) => {
      if (!values2.length)
        return "  ";
      let unit = values2[0];
      if (!unit || /\S/.test(unit) || Array.from(unit).some((e) => e != unit[0]))
        throw new Error("Invalid indent unit: " + JSON.stringify(values2[0]));
      return unit;
    }
  });
  function getIndentUnit(state) {
    let unit = state.facet(indentUnit);
    return unit.charCodeAt(0) == 9 ? state.tabSize * unit.length : unit.length;
  }
  function indentString(state, cols) {
    let result = "", ts = state.tabSize, ch = state.facet(indentUnit)[0];
    if (ch == "	") {
      while (cols >= ts) {
        result += "	";
        cols -= ts;
      }
      ch = " ";
    }
    for (let i = 0; i < cols; i++)
      result += ch;
    return result;
  }
  function getIndentation(context, pos) {
    if (context instanceof EditorState)
      context = new IndentContext(context);
    for (let service of context.state.facet(indentService)) {
      let result = service(context, pos);
      if (result !== void 0)
        return result;
    }
    let tree = syntaxTree(context.state);
    return tree.length >= pos ? syntaxIndentation(context, tree, pos) : null;
  }
  var IndentContext = class {
    /**
    Create an indent context.
    */
    constructor(state, options = {}) {
      this.state = state;
      this.options = options;
      this.unit = getIndentUnit(state);
    }
    /**
    Get a description of the line at the given position, taking
    [simulated line
    breaks](https://codemirror.net/6/docs/ref/#language.IndentContext.constructor^options.simulateBreak)
    into account. If there is such a break at `pos`, the `bias`
    argument determines whether the part of the line line before or
    after the break is used.
    */
    lineAt(pos, bias = 1) {
      let line = this.state.doc.lineAt(pos);
      let { simulateBreak, simulateDoubleBreak } = this.options;
      if (simulateBreak != null && simulateBreak >= line.from && simulateBreak <= line.to) {
        if (simulateDoubleBreak && simulateBreak == pos)
          return { text: "", from: pos };
        else if (bias < 0 ? simulateBreak < pos : simulateBreak <= pos)
          return { text: line.text.slice(simulateBreak - line.from), from: simulateBreak };
        else
          return { text: line.text.slice(0, simulateBreak - line.from), from: line.from };
      }
      return line;
    }
    /**
    Get the text directly after `pos`, either the entire line
    or the next 100 characters, whichever is shorter.
    */
    textAfterPos(pos, bias = 1) {
      if (this.options.simulateDoubleBreak && pos == this.options.simulateBreak)
        return "";
      let { text, from } = this.lineAt(pos, bias);
      return text.slice(pos - from, Math.min(text.length, pos + 100 - from));
    }
    /**
    Find the column for the given position.
    */
    column(pos, bias = 1) {
      let { text, from } = this.lineAt(pos, bias);
      let result = this.countColumn(text, pos - from);
      let override = this.options.overrideIndentation ? this.options.overrideIndentation(from) : -1;
      if (override > -1)
        result += override - this.countColumn(text, text.search(/\S|$/));
      return result;
    }
    /**
    Find the column position (taking tabs into account) of the given
    position in the given string.
    */
    countColumn(line, pos = line.length) {
      return countColumn(line, this.state.tabSize, pos);
    }
    /**
    Find the indentation column of the line at the given point.
    */
    lineIndent(pos, bias = 1) {
      let { text, from } = this.lineAt(pos, bias);
      let override = this.options.overrideIndentation;
      if (override) {
        let overriden = override(from);
        if (overriden > -1)
          return overriden;
      }
      return this.countColumn(text, text.search(/\S|$/));
    }
    /**
    Returns the [simulated line
    break](https://codemirror.net/6/docs/ref/#language.IndentContext.constructor^options.simulateBreak)
    for this context, if any.
    */
    get simulatedBreak() {
      return this.options.simulateBreak || null;
    }
  };
  var indentNodeProp = /* @__PURE__ */ new NodeProp();
  function syntaxIndentation(cx, ast, pos) {
    let stack = ast.resolveStack(pos);
    let inner = stack.node.enterUnfinishedNodesBefore(pos);
    if (inner != stack.node) {
      let add2 = [];
      for (let cur2 = inner; cur2 != stack.node; cur2 = cur2.parent)
        add2.push(cur2);
      for (let i = add2.length - 1; i >= 0; i--)
        stack = { node: add2[i], next: stack };
    }
    return indentFor(stack, cx, pos);
  }
  function indentFor(stack, cx, pos) {
    for (let cur2 = stack; cur2; cur2 = cur2.next) {
      let strategy = indentStrategy(cur2.node);
      if (strategy)
        return strategy(TreeIndentContext.create(cx, pos, cur2));
    }
    return 0;
  }
  function ignoreClosed(cx) {
    return cx.pos == cx.options.simulateBreak && cx.options.simulateDoubleBreak;
  }
  function indentStrategy(tree) {
    let strategy = tree.type.prop(indentNodeProp);
    if (strategy)
      return strategy;
    let first = tree.firstChild, close;
    if (first && (close = first.type.prop(NodeProp.closedBy))) {
      let last = tree.lastChild, closed = last && close.indexOf(last.name) > -1;
      return (cx) => delimitedStrategy(cx, true, 1, void 0, closed && !ignoreClosed(cx) ? last.from : void 0);
    }
    return tree.parent == null ? topIndent : null;
  }
  function topIndent() {
    return 0;
  }
  var TreeIndentContext = class _TreeIndentContext extends IndentContext {
    constructor(base2, pos, context) {
      super(base2.state, base2.options);
      this.base = base2;
      this.pos = pos;
      this.context = context;
    }
    /**
    The syntax tree node to which the indentation strategy
    applies.
    */
    get node() {
      return this.context.node;
    }
    /**
    @internal
    */
    static create(base2, pos, context) {
      return new _TreeIndentContext(base2, pos, context);
    }
    /**
    Get the text directly after `this.pos`, either the entire line
    or the next 100 characters, whichever is shorter.
    */
    get textAfter() {
      return this.textAfterPos(this.pos);
    }
    /**
    Get the indentation at the reference line for `this.node`, which
    is the line on which it starts, unless there is a node that is
    _not_ a parent of this node covering the start of that line. If
    so, the line at the start of that node is tried, again skipping
    on if it is covered by another such node.
    */
    get baseIndent() {
      return this.baseIndentFor(this.node);
    }
    /**
    Get the indentation for the reference line of the given node
    (see [`baseIndent`](https://codemirror.net/6/docs/ref/#language.TreeIndentContext.baseIndent)).
    */
    baseIndentFor(node) {
      let line = this.state.doc.lineAt(node.from);
      for (; ; ) {
        let atBreak = node.resolve(line.from);
        while (atBreak.parent && atBreak.parent.from == atBreak.from)
          atBreak = atBreak.parent;
        if (isParent(atBreak, node))
          break;
        line = this.state.doc.lineAt(atBreak.from);
      }
      return this.lineIndent(line.from);
    }
    /**
    Continue looking for indentations in the node's parent nodes,
    and return the result of that.
    */
    continue() {
      return indentFor(this.context.next, this.base, this.pos);
    }
  };
  function isParent(parent, of) {
    for (let cur2 = of; cur2; cur2 = cur2.parent)
      if (parent == cur2)
        return true;
    return false;
  }
  function bracketedAligned(context) {
    let tree = context.node;
    let openToken = tree.childAfter(tree.from), last = tree.lastChild;
    if (!openToken)
      return null;
    let sim = context.options.simulateBreak;
    let openLine = context.state.doc.lineAt(openToken.from);
    let lineEnd2 = sim == null || sim <= openLine.from ? openLine.to : Math.min(openLine.to, sim);
    for (let pos = openToken.to; ; ) {
      let next = tree.childAfter(pos);
      if (!next || next == last)
        return null;
      if (!next.type.isSkipped)
        return next.from < lineEnd2 ? openToken : null;
      pos = next.to;
    }
  }
  function delimitedIndent({ closing: closing2, align = true, units = 1 }) {
    return (context) => delimitedStrategy(context, align, units, closing2);
  }
  function delimitedStrategy(context, align, units, closing2, closedAt) {
    let after = context.textAfter, space4 = after.match(/^\s*/)[0].length;
    let closed = closing2 && after.slice(space4, space4 + closing2.length) == closing2 || closedAt == context.pos + space4;
    let aligned = align ? bracketedAligned(context) : null;
    if (aligned)
      return closed ? context.column(aligned.from) : context.column(aligned.to);
    return context.baseIndent + (closed ? 0 : context.unit * units);
  }
  var flatIndent = (context) => context.baseIndent;
  function continuedIndent({ except, units = 1 } = {}) {
    return (context) => {
      let matchExcept = except && except.test(context.textAfter);
      return context.baseIndent + (matchExcept ? 0 : units * context.unit);
    };
  }
  var DontIndentBeyond = 200;
  function indentOnInput() {
    return EditorState.transactionFilter.of((tr) => {
      if (!tr.docChanged || !tr.isUserEvent("input.type") && !tr.isUserEvent("input.complete"))
        return tr;
      let rules = tr.startState.languageDataAt("indentOnInput", tr.startState.selection.main.head);
      if (!rules.length)
        return tr;
      let doc2 = tr.newDoc, { head } = tr.newSelection.main, line = doc2.lineAt(head);
      if (head > line.from + DontIndentBeyond)
        return tr;
      let lineStart = doc2.sliceString(line.from, head);
      if (!rules.some((r) => r.test(lineStart)))
        return tr;
      let { state } = tr, last = -1, changes = [];
      for (let { head: head2 } of state.selection.ranges) {
        let line2 = state.doc.lineAt(head2);
        if (line2.from == last)
          continue;
        last = line2.from;
        let indent = getIndentation(state, line2.from);
        if (indent == null)
          continue;
        let cur2 = /^\s*/.exec(line2.text)[0];
        let norm = indentString(state, indent);
        if (cur2 != norm)
          changes.push({ from: line2.from, to: line2.from + cur2.length, insert: norm });
      }
      return changes.length ? [tr, { changes, sequential: true }] : tr;
    });
  }
  var foldService = /* @__PURE__ */ Facet.define();
  var foldNodeProp = /* @__PURE__ */ new NodeProp();
  function foldInside(node) {
    let first = node.firstChild, last = node.lastChild;
    return first && first.to < last.from ? { from: first.to, to: last.type.isError ? node.to : last.from } : null;
  }
  function syntaxFolding(state, start, end) {
    let tree = syntaxTree(state);
    if (tree.length < end)
      return null;
    let stack = tree.resolveStack(end, 1);
    let found = null;
    for (let iter = stack; iter; iter = iter.next) {
      let cur2 = iter.node;
      if (cur2.to <= end || cur2.from > end)
        continue;
      if (found && cur2.from < start)
        break;
      let prop = cur2.type.prop(foldNodeProp);
      if (prop && (cur2.to < tree.length - 50 || tree.length == state.doc.length || !isUnfinished(cur2))) {
        let value = prop(cur2, state);
        if (value && value.from <= end && value.from >= start && value.to > end)
          found = value;
      }
    }
    return found;
  }
  function isUnfinished(node) {
    let ch = node.lastChild;
    return ch && ch.to == node.to && ch.type.isError;
  }
  function foldable(state, lineStart, lineEnd2) {
    for (let service of state.facet(foldService)) {
      let result = service(state, lineStart, lineEnd2);
      if (result)
        return result;
    }
    return syntaxFolding(state, lineStart, lineEnd2);
  }
  function mapRange(range, mapping) {
    let from = mapping.mapPos(range.from, 1), to = mapping.mapPos(range.to, -1);
    return from >= to ? void 0 : { from, to };
  }
  var foldEffect = /* @__PURE__ */ StateEffect.define({ map: mapRange });
  var unfoldEffect = /* @__PURE__ */ StateEffect.define({ map: mapRange });
  function selectedLines(view) {
    let lines = [];
    for (let { head } of view.state.selection.ranges) {
      if (lines.some((l) => l.from <= head && l.to >= head))
        continue;
      lines.push(view.lineBlockAt(head));
    }
    return lines;
  }
  var foldState = /* @__PURE__ */ StateField.define({
    create() {
      return Decoration.none;
    },
    update(folded, tr) {
      folded = folded.map(tr.changes);
      for (let e of tr.effects) {
        if (e.is(foldEffect) && !foldExists(folded, e.value.from, e.value.to)) {
          let { preparePlaceholder } = tr.state.facet(foldConfig);
          let widget = !preparePlaceholder ? foldWidget : Decoration.replace({ widget: new PreparedFoldWidget(preparePlaceholder(tr.state, e.value)) });
          folded = folded.update({ add: [widget.range(e.value.from, e.value.to)] });
        } else if (e.is(unfoldEffect)) {
          folded = folded.update({
            filter: (from, to) => e.value.from != from || e.value.to != to,
            filterFrom: e.value.from,
            filterTo: e.value.to
          });
        }
      }
      if (tr.selection) {
        let onSelection = false, { head } = tr.selection.main;
        folded.between(head, head, (a, b) => {
          if (a < head && b > head)
            onSelection = true;
        });
        if (onSelection)
          folded = folded.update({
            filterFrom: head,
            filterTo: head,
            filter: (a, b) => b <= head || a >= head
          });
      }
      return folded;
    },
    provide: (f) => EditorView.decorations.from(f),
    toJSON(folded, state) {
      let ranges = [];
      folded.between(0, state.doc.length, (from, to) => {
        ranges.push(from, to);
      });
      return ranges;
    },
    fromJSON(value) {
      if (!Array.isArray(value) || value.length % 2)
        throw new RangeError("Invalid JSON for fold state");
      let ranges = [];
      for (let i = 0; i < value.length; ) {
        let from = value[i++], to = value[i++];
        if (typeof from != "number" || typeof to != "number")
          throw new RangeError("Invalid JSON for fold state");
        ranges.push(foldWidget.range(from, to));
      }
      return Decoration.set(ranges, true);
    }
  });
  function findFold(state, from, to) {
    var _a2;
    let found = null;
    (_a2 = state.field(foldState, false)) === null || _a2 === void 0 ? void 0 : _a2.between(from, to, (from2, to2) => {
      if (!found || found.from > from2)
        found = { from: from2, to: to2 };
    });
    return found;
  }
  function foldExists(folded, from, to) {
    let found = false;
    folded.between(from, from, (a, b) => {
      if (a == from && b == to)
        found = true;
    });
    return found;
  }
  function maybeEnable(state, other) {
    return state.field(foldState, false) ? other : other.concat(StateEffect.appendConfig.of(codeFolding()));
  }
  var foldCode = (view) => {
    for (let line of selectedLines(view)) {
      let range = foldable(view.state, line.from, line.to);
      if (range) {
        view.dispatch({ effects: maybeEnable(view.state, [foldEffect.of(range), announceFold(view, range)]) });
        return true;
      }
    }
    return false;
  };
  var unfoldCode = (view) => {
    if (!view.state.field(foldState, false))
      return false;
    let effects = [];
    for (let line of selectedLines(view)) {
      let folded = findFold(view.state, line.from, line.to);
      if (folded)
        effects.push(unfoldEffect.of(folded), announceFold(view, folded, false));
    }
    if (effects.length)
      view.dispatch({ effects });
    return effects.length > 0;
  };
  function announceFold(view, range, fold = true) {
    let lineFrom = view.state.doc.lineAt(range.from).number, lineTo = view.state.doc.lineAt(range.to).number;
    return EditorView.announce.of(`${view.state.phrase(fold ? "Folded lines" : "Unfolded lines")} ${lineFrom} ${view.state.phrase("to")} ${lineTo}.`);
  }
  var foldAll = (view) => {
    let { state } = view, effects = [];
    for (let pos = 0; pos < state.doc.length; ) {
      let line = view.lineBlockAt(pos), range = foldable(state, line.from, line.to);
      if (range)
        effects.push(foldEffect.of(range));
      pos = (range ? view.lineBlockAt(range.to) : line).to + 1;
    }
    if (effects.length)
      view.dispatch({ effects: maybeEnable(view.state, effects) });
    return !!effects.length;
  };
  var unfoldAll = (view) => {
    let field = view.state.field(foldState, false);
    if (!field || !field.size)
      return false;
    let effects = [];
    field.between(0, view.state.doc.length, (from, to) => {
      effects.push(unfoldEffect.of({ from, to }));
    });
    view.dispatch({ effects });
    return true;
  };
  var foldKeymap = [
    { key: "Ctrl-Shift-[", mac: "Cmd-Alt-[", run: foldCode },
    { key: "Ctrl-Shift-]", mac: "Cmd-Alt-]", run: unfoldCode },
    { key: "Ctrl-Alt-[", run: foldAll },
    { key: "Ctrl-Alt-]", run: unfoldAll }
  ];
  var defaultConfig = {
    placeholderDOM: null,
    preparePlaceholder: null,
    placeholderText: "\u2026"
  };
  var foldConfig = /* @__PURE__ */ Facet.define({
    combine(values2) {
      return combineConfig(values2, defaultConfig);
    }
  });
  function codeFolding(config2) {
    let result = [foldState, baseTheme$12];
    if (config2)
      result.push(foldConfig.of(config2));
    return result;
  }
  function widgetToDOM(view, prepared) {
    let { state } = view, conf = state.facet(foldConfig);
    let onclick = (event) => {
      let line = view.lineBlockAt(view.posAtDOM(event.target));
      let folded = findFold(view.state, line.from, line.to);
      if (folded)
        view.dispatch({ effects: unfoldEffect.of(folded) });
      event.preventDefault();
    };
    if (conf.placeholderDOM)
      return conf.placeholderDOM(view, onclick, prepared);
    let element = document.createElement("span");
    element.textContent = conf.placeholderText;
    element.setAttribute("aria-label", state.phrase("folded code"));
    element.title = state.phrase("unfold");
    element.className = "cm-foldPlaceholder";
    element.onclick = onclick;
    return element;
  }
  var foldWidget = /* @__PURE__ */ Decoration.replace({ widget: /* @__PURE__ */ new class extends WidgetType {
    toDOM(view) {
      return widgetToDOM(view, null);
    }
  }() });
  var PreparedFoldWidget = class extends WidgetType {
    constructor(value) {
      super();
      this.value = value;
    }
    eq(other) {
      return this.value == other.value;
    }
    toDOM(view) {
      return widgetToDOM(view, this.value);
    }
  };
  var foldGutterDefaults = {
    openText: "\u2304",
    closedText: "\u203A",
    markerDOM: null,
    domEventHandlers: {},
    foldingChanged: () => false
  };
  var FoldMarker = class extends GutterMarker {
    constructor(config2, open) {
      super();
      this.config = config2;
      this.open = open;
    }
    eq(other) {
      return this.config == other.config && this.open == other.open;
    }
    toDOM(view) {
      if (this.config.markerDOM)
        return this.config.markerDOM(this.open);
      let span = document.createElement("span");
      span.textContent = this.open ? this.config.openText : this.config.closedText;
      span.title = view.state.phrase(this.open ? "Fold line" : "Unfold line");
      return span;
    }
  };
  function foldGutter(config2 = {}) {
    let fullConfig = Object.assign(Object.assign({}, foldGutterDefaults), config2);
    let canFold = new FoldMarker(fullConfig, true), canUnfold = new FoldMarker(fullConfig, false);
    let markers = ViewPlugin.fromClass(class {
      constructor(view) {
        this.from = view.viewport.from;
        this.markers = this.buildMarkers(view);
      }
      update(update) {
        if (update.docChanged || update.viewportChanged || update.startState.facet(language) != update.state.facet(language) || update.startState.field(foldState, false) != update.state.field(foldState, false) || syntaxTree(update.startState) != syntaxTree(update.state) || fullConfig.foldingChanged(update))
          this.markers = this.buildMarkers(update.view);
      }
      buildMarkers(view) {
        let builder = new RangeSetBuilder();
        for (let line of view.viewportLineBlocks) {
          let mark = findFold(view.state, line.from, line.to) ? canUnfold : foldable(view.state, line.from, line.to) ? canFold : null;
          if (mark)
            builder.add(line.from, line.from, mark);
        }
        return builder.finish();
      }
    });
    let { domEventHandlers } = fullConfig;
    return [
      markers,
      gutter({
        class: "cm-foldGutter",
        markers(view) {
          var _a2;
          return ((_a2 = view.plugin(markers)) === null || _a2 === void 0 ? void 0 : _a2.markers) || RangeSet.empty;
        },
        initialSpacer() {
          return new FoldMarker(fullConfig, false);
        },
        domEventHandlers: Object.assign(Object.assign({}, domEventHandlers), { click: (view, line, event) => {
          if (domEventHandlers.click && domEventHandlers.click(view, line, event))
            return true;
          let folded = findFold(view.state, line.from, line.to);
          if (folded) {
            view.dispatch({ effects: unfoldEffect.of(folded) });
            return true;
          }
          let range = foldable(view.state, line.from, line.to);
          if (range) {
            view.dispatch({ effects: foldEffect.of(range) });
            return true;
          }
          return false;
        } })
      }),
      codeFolding()
    ];
  }
  var baseTheme$12 = /* @__PURE__ */ EditorView.baseTheme({
    ".cm-foldPlaceholder": {
      backgroundColor: "#eee",
      border: "1px solid #ddd",
      color: "#888",
      borderRadius: ".2em",
      margin: "0 1px",
      padding: "0 1px",
      cursor: "pointer"
    },
    ".cm-foldGutter span": {
      padding: "0 1px",
      cursor: "pointer"
    }
  });
  var HighlightStyle = class _HighlightStyle {
    constructor(specs, options) {
      this.specs = specs;
      let modSpec;
      function def(spec) {
        let cls = StyleModule.newName();
        (modSpec || (modSpec = /* @__PURE__ */ Object.create(null)))["." + cls] = spec;
        return cls;
      }
      const all = typeof options.all == "string" ? options.all : options.all ? def(options.all) : void 0;
      const scopeOpt = options.scope;
      this.scope = scopeOpt instanceof Language ? (type) => type.prop(languageDataProp) == scopeOpt.data : scopeOpt ? (type) => type == scopeOpt : void 0;
      this.style = tagHighlighter(specs.map((style) => ({
        tag: style.tag,
        class: style.class || def(Object.assign({}, style, { tag: null }))
      })), {
        all
      }).style;
      this.module = modSpec ? new StyleModule(modSpec) : null;
      this.themeType = options.themeType;
    }
    /**
    Create a highlighter style that associates the given styles to
    the given tags. The specs must be objects that hold a style tag
    or array of tags in their `tag` property, and either a single
    `class` property providing a static CSS class (for highlighter
    that rely on external styling), or a
    [`style-mod`](https://github.com/marijnh/style-mod#documentation)-style
    set of CSS properties (which define the styling for those tags).
    
    The CSS rules created for a highlighter will be emitted in the
    order of the spec's properties. That means that for elements that
    have multiple tags associated with them, styles defined further
    down in the list will have a higher CSS precedence than styles
    defined earlier.
    */
    static define(specs, options) {
      return new _HighlightStyle(specs, options || {});
    }
  };
  var highlighterFacet = /* @__PURE__ */ Facet.define();
  var fallbackHighlighter = /* @__PURE__ */ Facet.define({
    combine(values2) {
      return values2.length ? [values2[0]] : null;
    }
  });
  function getHighlighters(state) {
    let main = state.facet(highlighterFacet);
    return main.length ? main : state.facet(fallbackHighlighter);
  }
  function syntaxHighlighting(highlighter, options) {
    let ext = [treeHighlighter], themeType;
    if (highlighter instanceof HighlightStyle) {
      if (highlighter.module)
        ext.push(EditorView.styleModule.of(highlighter.module));
      themeType = highlighter.themeType;
    }
    if (options === null || options === void 0 ? void 0 : options.fallback)
      ext.push(fallbackHighlighter.of(highlighter));
    else if (themeType)
      ext.push(highlighterFacet.computeN([EditorView.darkTheme], (state) => {
        return state.facet(EditorView.darkTheme) == (themeType == "dark") ? [highlighter] : [];
      }));
    else
      ext.push(highlighterFacet.of(highlighter));
    return ext;
  }
  var TreeHighlighter = class {
    constructor(view) {
      this.markCache = /* @__PURE__ */ Object.create(null);
      this.tree = syntaxTree(view.state);
      this.decorations = this.buildDeco(view, getHighlighters(view.state));
      this.decoratedTo = view.viewport.to;
    }
    update(update) {
      let tree = syntaxTree(update.state), highlighters = getHighlighters(update.state);
      let styleChange = highlighters != getHighlighters(update.startState);
      let { viewport } = update.view, decoratedToMapped = update.changes.mapPos(this.decoratedTo, 1);
      if (tree.length < viewport.to && !styleChange && tree.type == this.tree.type && decoratedToMapped >= viewport.to) {
        this.decorations = this.decorations.map(update.changes);
        this.decoratedTo = decoratedToMapped;
      } else if (tree != this.tree || update.viewportChanged || styleChange) {
        this.tree = tree;
        this.decorations = this.buildDeco(update.view, highlighters);
        this.decoratedTo = viewport.to;
      }
    }
    buildDeco(view, highlighters) {
      if (!highlighters || !this.tree.length)
        return Decoration.none;
      let builder = new RangeSetBuilder();
      for (let { from, to } of view.visibleRanges) {
        highlightTree(this.tree, highlighters, (from2, to2, style) => {
          builder.add(from2, to2, this.markCache[style] || (this.markCache[style] = Decoration.mark({ class: style })));
        }, from, to);
      }
      return builder.finish();
    }
  };
  var treeHighlighter = /* @__PURE__ */ Prec.high(/* @__PURE__ */ ViewPlugin.fromClass(TreeHighlighter, {
    decorations: (v) => v.decorations
  }));
  var defaultHighlightStyle = /* @__PURE__ */ HighlightStyle.define([
    {
      tag: tags.meta,
      color: "#404740"
    },
    {
      tag: tags.link,
      textDecoration: "underline"
    },
    {
      tag: tags.heading,
      textDecoration: "underline",
      fontWeight: "bold"
    },
    {
      tag: tags.emphasis,
      fontStyle: "italic"
    },
    {
      tag: tags.strong,
      fontWeight: "bold"
    },
    {
      tag: tags.strikethrough,
      textDecoration: "line-through"
    },
    {
      tag: tags.keyword,
      color: "#708"
    },
    {
      tag: [tags.atom, tags.bool, tags.url, tags.contentSeparator, tags.labelName],
      color: "#219"
    },
    {
      tag: [tags.literal, tags.inserted],
      color: "#164"
    },
    {
      tag: [tags.string, tags.deleted],
      color: "#a11"
    },
    {
      tag: [tags.regexp, tags.escape, /* @__PURE__ */ tags.special(tags.string)],
      color: "#e40"
    },
    {
      tag: /* @__PURE__ */ tags.definition(tags.variableName),
      color: "#00f"
    },
    {
      tag: /* @__PURE__ */ tags.local(tags.variableName),
      color: "#30a"
    },
    {
      tag: [tags.typeName, tags.namespace],
      color: "#085"
    },
    {
      tag: tags.className,
      color: "#167"
    },
    {
      tag: [/* @__PURE__ */ tags.special(tags.variableName), tags.macroName],
      color: "#256"
    },
    {
      tag: /* @__PURE__ */ tags.definition(tags.propertyName),
      color: "#00c"
    },
    {
      tag: tags.comment,
      color: "#940"
    },
    {
      tag: tags.invalid,
      color: "#f00"
    }
  ]);
  var baseTheme2 = /* @__PURE__ */ EditorView.baseTheme({
    "&.cm-focused .cm-matchingBracket": { backgroundColor: "#328c8252" },
    "&.cm-focused .cm-nonmatchingBracket": { backgroundColor: "#bb555544" }
  });
  var DefaultScanDist = 1e4;
  var DefaultBrackets = "()[]{}";
  var bracketMatchingConfig = /* @__PURE__ */ Facet.define({
    combine(configs) {
      return combineConfig(configs, {
        afterCursor: true,
        brackets: DefaultBrackets,
        maxScanDistance: DefaultScanDist,
        renderMatch: defaultRenderMatch
      });
    }
  });
  var matchingMark = /* @__PURE__ */ Decoration.mark({ class: "cm-matchingBracket" });
  var nonmatchingMark = /* @__PURE__ */ Decoration.mark({ class: "cm-nonmatchingBracket" });
  function defaultRenderMatch(match) {
    let decorations2 = [];
    let mark = match.matched ? matchingMark : nonmatchingMark;
    decorations2.push(mark.range(match.start.from, match.start.to));
    if (match.end)
      decorations2.push(mark.range(match.end.from, match.end.to));
    return decorations2;
  }
  var bracketMatchingState = /* @__PURE__ */ StateField.define({
    create() {
      return Decoration.none;
    },
    update(deco, tr) {
      if (!tr.docChanged && !tr.selection)
        return deco;
      let decorations2 = [];
      let config2 = tr.state.facet(bracketMatchingConfig);
      for (let range of tr.state.selection.ranges) {
        if (!range.empty)
          continue;
        let match = matchBrackets(tr.state, range.head, -1, config2) || range.head > 0 && matchBrackets(tr.state, range.head - 1, 1, config2) || config2.afterCursor && (matchBrackets(tr.state, range.head, 1, config2) || range.head < tr.state.doc.length && matchBrackets(tr.state, range.head + 1, -1, config2));
        if (match)
          decorations2 = decorations2.concat(config2.renderMatch(match, tr.state));
      }
      return Decoration.set(decorations2, true);
    },
    provide: (f) => EditorView.decorations.from(f)
  });
  var bracketMatchingUnique = [
    bracketMatchingState,
    baseTheme2
  ];
  function bracketMatching(config2 = {}) {
    return [bracketMatchingConfig.of(config2), bracketMatchingUnique];
  }
  var bracketMatchingHandle = /* @__PURE__ */ new NodeProp();
  function matchingNodes(node, dir, brackets) {
    let byProp = node.prop(dir < 0 ? NodeProp.openedBy : NodeProp.closedBy);
    if (byProp)
      return byProp;
    if (node.name.length == 1) {
      let index = brackets.indexOf(node.name);
      if (index > -1 && index % 2 == (dir < 0 ? 1 : 0))
        return [brackets[index + dir]];
    }
    return null;
  }
  function findHandle(node) {
    let hasHandle = node.type.prop(bracketMatchingHandle);
    return hasHandle ? hasHandle(node.node) : node;
  }
  function matchBrackets(state, pos, dir, config2 = {}) {
    let maxScanDistance = config2.maxScanDistance || DefaultScanDist, brackets = config2.brackets || DefaultBrackets;
    let tree = syntaxTree(state), node = tree.resolveInner(pos, dir);
    for (let cur2 = node; cur2; cur2 = cur2.parent) {
      let matches = matchingNodes(cur2.type, dir, brackets);
      if (matches && cur2.from < cur2.to) {
        let handle = findHandle(cur2);
        if (handle && (dir > 0 ? pos >= handle.from && pos < handle.to : pos > handle.from && pos <= handle.to))
          return matchMarkedBrackets(state, pos, dir, cur2, handle, matches, brackets);
      }
    }
    return matchPlainBrackets(state, pos, dir, tree, node.type, maxScanDistance, brackets);
  }
  function matchMarkedBrackets(_state, _pos, dir, token, handle, matching, brackets) {
    let parent = token.parent, firstToken = { from: handle.from, to: handle.to };
    let depth = 0, cursor = parent === null || parent === void 0 ? void 0 : parent.cursor();
    if (cursor && (dir < 0 ? cursor.childBefore(token.from) : cursor.childAfter(token.to)))
      do {
        if (dir < 0 ? cursor.to <= token.from : cursor.from >= token.to) {
          if (depth == 0 && matching.indexOf(cursor.type.name) > -1 && cursor.from < cursor.to) {
            let endHandle = findHandle(cursor);
            return { start: firstToken, end: endHandle ? { from: endHandle.from, to: endHandle.to } : void 0, matched: true };
          } else if (matchingNodes(cursor.type, dir, brackets)) {
            depth++;
          } else if (matchingNodes(cursor.type, -dir, brackets)) {
            if (depth == 0) {
              let endHandle = findHandle(cursor);
              return {
                start: firstToken,
                end: endHandle && endHandle.from < endHandle.to ? { from: endHandle.from, to: endHandle.to } : void 0,
                matched: false
              };
            }
            depth--;
          }
        }
      } while (dir < 0 ? cursor.prevSibling() : cursor.nextSibling());
    return { start: firstToken, matched: false };
  }
  function matchPlainBrackets(state, pos, dir, tree, tokenType, maxScanDistance, brackets) {
    let startCh = dir < 0 ? state.sliceDoc(pos - 1, pos) : state.sliceDoc(pos, pos + 1);
    let bracket2 = brackets.indexOf(startCh);
    if (bracket2 < 0 || bracket2 % 2 == 0 != dir > 0)
      return null;
    let startToken = { from: dir < 0 ? pos - 1 : pos, to: dir > 0 ? pos + 1 : pos };
    let iter = state.doc.iterRange(pos, dir > 0 ? state.doc.length : 0), depth = 0;
    for (let distance = 0; !iter.next().done && distance <= maxScanDistance; ) {
      let text = iter.value;
      if (dir < 0)
        distance += text.length;
      let basePos = pos + distance * dir;
      for (let pos2 = dir > 0 ? 0 : text.length - 1, end = dir > 0 ? text.length : -1; pos2 != end; pos2 += dir) {
        let found = brackets.indexOf(text[pos2]);
        if (found < 0 || tree.resolveInner(basePos + pos2, 1).type != tokenType)
          continue;
        if (found % 2 == 0 == dir > 0) {
          depth++;
        } else if (depth == 1) {
          return { start: startToken, end: { from: basePos + pos2, to: basePos + pos2 + 1 }, matched: found >> 1 == bracket2 >> 1 };
        } else {
          depth--;
        }
      }
      if (dir > 0)
        distance += text.length;
    }
    return iter.done ? { start: startToken, matched: false } : null;
  }
  var noTokens = /* @__PURE__ */ Object.create(null);
  var typeArray = [NodeType.none];
  var warned = [];
  var byTag = /* @__PURE__ */ Object.create(null);
  var defaultTable = /* @__PURE__ */ Object.create(null);
  for (let [legacyName, name2] of [
    ["variable", "variableName"],
    ["variable-2", "variableName.special"],
    ["string-2", "string.special"],
    ["def", "variableName.definition"],
    ["tag", "tagName"],
    ["attribute", "attributeName"],
    ["type", "typeName"],
    ["builtin", "variableName.standard"],
    ["qualifier", "modifier"],
    ["error", "invalid"],
    ["header", "heading"],
    ["property", "propertyName"]
  ])
    defaultTable[legacyName] = /* @__PURE__ */ createTokenType(noTokens, name2);
  function warnForPart(part, msg) {
    if (warned.indexOf(part) > -1)
      return;
    warned.push(part);
    console.warn(msg);
  }
  function createTokenType(extra, tagStr) {
    let tags$1 = [];
    for (let name3 of tagStr.split(" ")) {
      let found = [];
      for (let part of name3.split(".")) {
        let value = extra[part] || tags[part];
        if (!value) {
          warnForPart(part, `Unknown highlighting tag ${part}`);
        } else if (typeof value == "function") {
          if (!found.length)
            warnForPart(part, `Modifier ${part} used at start of tag`);
          else
            found = found.map(value);
        } else {
          if (found.length)
            warnForPart(part, `Tag ${part} used as modifier`);
          else
            found = Array.isArray(value) ? value : [value];
        }
      }
      for (let tag of found)
        tags$1.push(tag);
    }
    if (!tags$1.length)
      return 0;
    let name2 = tagStr.replace(/ /g, "_"), key = name2 + " " + tags$1.map((t2) => t2.id);
    let known = byTag[key];
    if (known)
      return known.id;
    let type = byTag[key] = NodeType.define({
      id: typeArray.length,
      name: name2,
      props: [styleTags({ [name2]: tags$1 })]
    });
    typeArray.push(type);
    return type.id;
  }
  var marks = {
    rtl: /* @__PURE__ */ Decoration.mark({ class: "cm-iso", inclusive: true, attributes: { dir: "rtl" }, bidiIsolate: Direction.RTL }),
    ltr: /* @__PURE__ */ Decoration.mark({ class: "cm-iso", inclusive: true, attributes: { dir: "ltr" }, bidiIsolate: Direction.LTR }),
    auto: /* @__PURE__ */ Decoration.mark({ class: "cm-iso", inclusive: true, attributes: { dir: "auto" }, bidiIsolate: null })
  };

  // node_modules/@codemirror/commands/dist/index.js
  var toggleComment = (target) => {
    let { state } = target, line = state.doc.lineAt(state.selection.main.from), config2 = getConfig(target.state, line.from);
    return config2.line ? toggleLineComment(target) : config2.block ? toggleBlockCommentByLine(target) : false;
  };
  function command(f, option) {
    return ({ state, dispatch }) => {
      if (state.readOnly)
        return false;
      let tr = f(option, state);
      if (!tr)
        return false;
      dispatch(state.update(tr));
      return true;
    };
  }
  var toggleLineComment = /* @__PURE__ */ command(
    changeLineComment,
    0
    /* CommentOption.Toggle */
  );
  var toggleBlockComment = /* @__PURE__ */ command(
    changeBlockComment,
    0
    /* CommentOption.Toggle */
  );
  var toggleBlockCommentByLine = /* @__PURE__ */ command(
    (o, s) => changeBlockComment(o, s, selectedLineRanges(s)),
    0
    /* CommentOption.Toggle */
  );
  function getConfig(state, pos) {
    let data2 = state.languageDataAt("commentTokens", pos);
    return data2.length ? data2[0] : {};
  }
  var SearchMargin = 50;
  function findBlockComment(state, { open, close }, from, to) {
    let textBefore = state.sliceDoc(from - SearchMargin, from);
    let textAfter = state.sliceDoc(to, to + SearchMargin);
    let spaceBefore = /\s*$/.exec(textBefore)[0].length, spaceAfter = /^\s*/.exec(textAfter)[0].length;
    let beforeOff = textBefore.length - spaceBefore;
    if (textBefore.slice(beforeOff - open.length, beforeOff) == open && textAfter.slice(spaceAfter, spaceAfter + close.length) == close) {
      return {
        open: { pos: from - spaceBefore, margin: spaceBefore && 1 },
        close: { pos: to + spaceAfter, margin: spaceAfter && 1 }
      };
    }
    let startText, endText;
    if (to - from <= 2 * SearchMargin) {
      startText = endText = state.sliceDoc(from, to);
    } else {
      startText = state.sliceDoc(from, from + SearchMargin);
      endText = state.sliceDoc(to - SearchMargin, to);
    }
    let startSpace = /^\s*/.exec(startText)[0].length, endSpace = /\s*$/.exec(endText)[0].length;
    let endOff = endText.length - endSpace - close.length;
    if (startText.slice(startSpace, startSpace + open.length) == open && endText.slice(endOff, endOff + close.length) == close) {
      return {
        open: {
          pos: from + startSpace + open.length,
          margin: /\s/.test(startText.charAt(startSpace + open.length)) ? 1 : 0
        },
        close: {
          pos: to - endSpace - close.length,
          margin: /\s/.test(endText.charAt(endOff - 1)) ? 1 : 0
        }
      };
    }
    return null;
  }
  function selectedLineRanges(state) {
    let ranges = [];
    for (let r of state.selection.ranges) {
      let fromLine = state.doc.lineAt(r.from);
      let toLine = r.to <= fromLine.to ? fromLine : state.doc.lineAt(r.to);
      let last = ranges.length - 1;
      if (last >= 0 && ranges[last].to > fromLine.from)
        ranges[last].to = toLine.to;
      else
        ranges.push({ from: fromLine.from + /^\s*/.exec(fromLine.text)[0].length, to: toLine.to });
    }
    return ranges;
  }
  function changeBlockComment(option, state, ranges = state.selection.ranges) {
    let tokens = ranges.map((r) => getConfig(state, r.from).block);
    if (!tokens.every((c) => c))
      return null;
    let comments = ranges.map((r, i) => findBlockComment(state, tokens[i], r.from, r.to));
    if (option != 2 && !comments.every((c) => c)) {
      return { changes: state.changes(ranges.map((range, i) => {
        if (comments[i])
          return [];
        return [{ from: range.from, insert: tokens[i].open + " " }, { from: range.to, insert: " " + tokens[i].close }];
      })) };
    } else if (option != 1 && comments.some((c) => c)) {
      let changes = [];
      for (let i = 0, comment2; i < comments.length; i++)
        if (comment2 = comments[i]) {
          let token = tokens[i], { open, close } = comment2;
          changes.push({ from: open.pos - token.open.length, to: open.pos + open.margin }, { from: close.pos - close.margin, to: close.pos + token.close.length });
        }
      return { changes };
    }
    return null;
  }
  function changeLineComment(option, state, ranges = state.selection.ranges) {
    let lines = [];
    let prevLine = -1;
    for (let { from, to } of ranges) {
      let startI = lines.length, minIndent = 1e9;
      let token = getConfig(state, from).line;
      if (!token)
        continue;
      for (let pos = from; pos <= to; ) {
        let line = state.doc.lineAt(pos);
        if (line.from > prevLine && (from == to || to > line.from)) {
          prevLine = line.from;
          let indent = /^\s*/.exec(line.text)[0].length;
          let empty2 = indent == line.length;
          let comment2 = line.text.slice(indent, indent + token.length) == token ? indent : -1;
          if (indent < line.text.length && indent < minIndent)
            minIndent = indent;
          lines.push({ line, comment: comment2, token, indent, empty: empty2, single: false });
        }
        pos = line.to + 1;
      }
      if (minIndent < 1e9) {
        for (let i = startI; i < lines.length; i++)
          if (lines[i].indent < lines[i].line.text.length)
            lines[i].indent = minIndent;
      }
      if (lines.length == startI + 1)
        lines[startI].single = true;
    }
    if (option != 2 && lines.some((l) => l.comment < 0 && (!l.empty || l.single))) {
      let changes = [];
      for (let { line, token, indent, empty: empty2, single } of lines)
        if (single || !empty2)
          changes.push({ from: line.from + indent, insert: token + " " });
      let changeSet = state.changes(changes);
      return { changes: changeSet, selection: state.selection.map(changeSet, 1) };
    } else if (option != 1 && lines.some((l) => l.comment >= 0)) {
      let changes = [];
      for (let { line, comment: comment2, token } of lines)
        if (comment2 >= 0) {
          let from = line.from + comment2, to = from + token.length;
          if (line.text[to - line.from] == " ")
            to++;
          changes.push({ from, to });
        }
      return { changes };
    }
    return null;
  }
  var fromHistory = /* @__PURE__ */ Annotation.define();
  var isolateHistory = /* @__PURE__ */ Annotation.define();
  var invertedEffects = /* @__PURE__ */ Facet.define();
  var historyConfig = /* @__PURE__ */ Facet.define({
    combine(configs) {
      return combineConfig(configs, {
        minDepth: 100,
        newGroupDelay: 500,
        joinToEvent: (_t, isAdjacent2) => isAdjacent2
      }, {
        minDepth: Math.max,
        newGroupDelay: Math.min,
        joinToEvent: (a, b) => (tr, adj) => a(tr, adj) || b(tr, adj)
      });
    }
  });
  var historyField_ = /* @__PURE__ */ StateField.define({
    create() {
      return HistoryState.empty;
    },
    update(state, tr) {
      let config2 = tr.state.facet(historyConfig);
      let fromHist = tr.annotation(fromHistory);
      if (fromHist) {
        let item = HistEvent.fromTransaction(tr, fromHist.selection), from = fromHist.side;
        let other = from == 0 ? state.undone : state.done;
        if (item)
          other = updateBranch(other, other.length, config2.minDepth, item);
        else
          other = addSelection(other, tr.startState.selection);
        return new HistoryState(from == 0 ? fromHist.rest : other, from == 0 ? other : fromHist.rest);
      }
      let isolate = tr.annotation(isolateHistory);
      if (isolate == "full" || isolate == "before")
        state = state.isolate();
      if (tr.annotation(Transaction.addToHistory) === false)
        return !tr.changes.empty ? state.addMapping(tr.changes.desc) : state;
      let event = HistEvent.fromTransaction(tr);
      let time = tr.annotation(Transaction.time), userEvent = tr.annotation(Transaction.userEvent);
      if (event)
        state = state.addChanges(event, time, userEvent, config2, tr);
      else if (tr.selection)
        state = state.addSelection(tr.startState.selection, time, userEvent, config2.newGroupDelay);
      if (isolate == "full" || isolate == "after")
        state = state.isolate();
      return state;
    },
    toJSON(value) {
      return { done: value.done.map((e) => e.toJSON()), undone: value.undone.map((e) => e.toJSON()) };
    },
    fromJSON(json) {
      return new HistoryState(json.done.map(HistEvent.fromJSON), json.undone.map(HistEvent.fromJSON));
    }
  });
  function history(config2 = {}) {
    return [
      historyField_,
      historyConfig.of(config2),
      EditorView.domEventHandlers({
        beforeinput(e, view) {
          let command2 = e.inputType == "historyUndo" ? undo : e.inputType == "historyRedo" ? redo : null;
          if (!command2)
            return false;
          e.preventDefault();
          return command2(view);
        }
      })
    ];
  }
  function cmd(side, selection) {
    return function({ state, dispatch }) {
      if (!selection && state.readOnly)
        return false;
      let historyState = state.field(historyField_, false);
      if (!historyState)
        return false;
      let tr = historyState.pop(side, state, selection);
      if (!tr)
        return false;
      dispatch(tr);
      return true;
    };
  }
  var undo = /* @__PURE__ */ cmd(0, false);
  var redo = /* @__PURE__ */ cmd(1, false);
  var undoSelection = /* @__PURE__ */ cmd(0, true);
  var redoSelection = /* @__PURE__ */ cmd(1, true);
  var HistEvent = class _HistEvent {
    constructor(changes, effects, mapped, startSelection, selectionsAfter) {
      this.changes = changes;
      this.effects = effects;
      this.mapped = mapped;
      this.startSelection = startSelection;
      this.selectionsAfter = selectionsAfter;
    }
    setSelAfter(after) {
      return new _HistEvent(this.changes, this.effects, this.mapped, this.startSelection, after);
    }
    toJSON() {
      var _a2, _b, _c;
      return {
        changes: (_a2 = this.changes) === null || _a2 === void 0 ? void 0 : _a2.toJSON(),
        mapped: (_b = this.mapped) === null || _b === void 0 ? void 0 : _b.toJSON(),
        startSelection: (_c = this.startSelection) === null || _c === void 0 ? void 0 : _c.toJSON(),
        selectionsAfter: this.selectionsAfter.map((s) => s.toJSON())
      };
    }
    static fromJSON(json) {
      return new _HistEvent(json.changes && ChangeSet.fromJSON(json.changes), [], json.mapped && ChangeDesc.fromJSON(json.mapped), json.startSelection && EditorSelection.fromJSON(json.startSelection), json.selectionsAfter.map(EditorSelection.fromJSON));
    }
    // This does not check `addToHistory` and such, it assumes the
    // transaction needs to be converted to an item. Returns null when
    // there are no changes or effects in the transaction.
    static fromTransaction(tr, selection) {
      let effects = none2;
      for (let invert of tr.startState.facet(invertedEffects)) {
        let result = invert(tr);
        if (result.length)
          effects = effects.concat(result);
      }
      if (!effects.length && tr.changes.empty)
        return null;
      return new _HistEvent(tr.changes.invert(tr.startState.doc), effects, void 0, selection || tr.startState.selection, none2);
    }
    static selection(selections) {
      return new _HistEvent(void 0, none2, void 0, void 0, selections);
    }
  };
  function updateBranch(branch, to, maxLen, newEvent) {
    let start = to + 1 > maxLen + 20 ? to - maxLen - 1 : 0;
    let newBranch = branch.slice(start, to);
    newBranch.push(newEvent);
    return newBranch;
  }
  function isAdjacent(a, b) {
    let ranges = [], isAdjacent2 = false;
    a.iterChangedRanges((f, t2) => ranges.push(f, t2));
    b.iterChangedRanges((_f, _t, f, t2) => {
      for (let i = 0; i < ranges.length; ) {
        let from = ranges[i++], to = ranges[i++];
        if (t2 >= from && f <= to)
          isAdjacent2 = true;
      }
    });
    return isAdjacent2;
  }
  function eqSelectionShape(a, b) {
    return a.ranges.length == b.ranges.length && a.ranges.filter((r, i) => r.empty != b.ranges[i].empty).length === 0;
  }
  function conc(a, b) {
    return !a.length ? b : !b.length ? a : a.concat(b);
  }
  var none2 = [];
  var MaxSelectionsPerEvent = 200;
  function addSelection(branch, selection) {
    if (!branch.length) {
      return [HistEvent.selection([selection])];
    } else {
      let lastEvent = branch[branch.length - 1];
      let sels = lastEvent.selectionsAfter.slice(Math.max(0, lastEvent.selectionsAfter.length - MaxSelectionsPerEvent));
      if (sels.length && sels[sels.length - 1].eq(selection))
        return branch;
      sels.push(selection);
      return updateBranch(branch, branch.length - 1, 1e9, lastEvent.setSelAfter(sels));
    }
  }
  function popSelection(branch) {
    let last = branch[branch.length - 1];
    let newBranch = branch.slice();
    newBranch[branch.length - 1] = last.setSelAfter(last.selectionsAfter.slice(0, last.selectionsAfter.length - 1));
    return newBranch;
  }
  function addMappingToBranch(branch, mapping) {
    if (!branch.length)
      return branch;
    let length = branch.length, selections = none2;
    while (length) {
      let event = mapEvent(branch[length - 1], mapping, selections);
      if (event.changes && !event.changes.empty || event.effects.length) {
        let result = branch.slice(0, length);
        result[length - 1] = event;
        return result;
      } else {
        mapping = event.mapped;
        length--;
        selections = event.selectionsAfter;
      }
    }
    return selections.length ? [HistEvent.selection(selections)] : none2;
  }
  function mapEvent(event, mapping, extraSelections) {
    let selections = conc(event.selectionsAfter.length ? event.selectionsAfter.map((s) => s.map(mapping)) : none2, extraSelections);
    if (!event.changes)
      return HistEvent.selection(selections);
    let mappedChanges = event.changes.map(mapping), before = mapping.mapDesc(event.changes, true);
    let fullMapping = event.mapped ? event.mapped.composeDesc(before) : before;
    return new HistEvent(mappedChanges, StateEffect.mapEffects(event.effects, mapping), fullMapping, event.startSelection.map(before), selections);
  }
  var joinableUserEvent = /^(input\.type|delete)($|\.)/;
  var HistoryState = class _HistoryState {
    constructor(done, undone, prevTime = 0, prevUserEvent = void 0) {
      this.done = done;
      this.undone = undone;
      this.prevTime = prevTime;
      this.prevUserEvent = prevUserEvent;
    }
    isolate() {
      return this.prevTime ? new _HistoryState(this.done, this.undone) : this;
    }
    addChanges(event, time, userEvent, config2, tr) {
      let done = this.done, lastEvent = done[done.length - 1];
      if (lastEvent && lastEvent.changes && !lastEvent.changes.empty && event.changes && (!userEvent || joinableUserEvent.test(userEvent)) && (!lastEvent.selectionsAfter.length && time - this.prevTime < config2.newGroupDelay && config2.joinToEvent(tr, isAdjacent(lastEvent.changes, event.changes)) || // For compose (but not compose.start) events, always join with previous event
      userEvent == "input.type.compose")) {
        done = updateBranch(done, done.length - 1, config2.minDepth, new HistEvent(event.changes.compose(lastEvent.changes), conc(event.effects, lastEvent.effects), lastEvent.mapped, lastEvent.startSelection, none2));
      } else {
        done = updateBranch(done, done.length, config2.minDepth, event);
      }
      return new _HistoryState(done, none2, time, userEvent);
    }
    addSelection(selection, time, userEvent, newGroupDelay) {
      let last = this.done.length ? this.done[this.done.length - 1].selectionsAfter : none2;
      if (last.length > 0 && time - this.prevTime < newGroupDelay && userEvent == this.prevUserEvent && userEvent && /^select($|\.)/.test(userEvent) && eqSelectionShape(last[last.length - 1], selection))
        return this;
      return new _HistoryState(addSelection(this.done, selection), this.undone, time, userEvent);
    }
    addMapping(mapping) {
      return new _HistoryState(addMappingToBranch(this.done, mapping), addMappingToBranch(this.undone, mapping), this.prevTime, this.prevUserEvent);
    }
    pop(side, state, onlySelection) {
      let branch = side == 0 ? this.done : this.undone;
      if (branch.length == 0)
        return null;
      let event = branch[branch.length - 1], selection = event.selectionsAfter[0] || state.selection;
      if (onlySelection && event.selectionsAfter.length) {
        return state.update({
          selection: event.selectionsAfter[event.selectionsAfter.length - 1],
          annotations: fromHistory.of({ side, rest: popSelection(branch), selection }),
          userEvent: side == 0 ? "select.undo" : "select.redo",
          scrollIntoView: true
        });
      } else if (!event.changes) {
        return null;
      } else {
        let rest = branch.length == 1 ? none2 : branch.slice(0, branch.length - 1);
        if (event.mapped)
          rest = addMappingToBranch(rest, event.mapped);
        return state.update({
          changes: event.changes,
          selection: event.startSelection,
          effects: event.effects,
          annotations: fromHistory.of({ side, rest, selection }),
          filter: false,
          userEvent: side == 0 ? "undo" : "redo",
          scrollIntoView: true
        });
      }
    }
  };
  HistoryState.empty = /* @__PURE__ */ new HistoryState(none2, none2);
  var historyKeymap = [
    { key: "Mod-z", run: undo, preventDefault: true },
    { key: "Mod-y", mac: "Mod-Shift-z", run: redo, preventDefault: true },
    { linux: "Ctrl-Shift-z", run: redo, preventDefault: true },
    { key: "Mod-u", run: undoSelection, preventDefault: true },
    { key: "Alt-u", mac: "Mod-Shift-u", run: redoSelection, preventDefault: true }
  ];
  function updateSel(sel, by) {
    return EditorSelection.create(sel.ranges.map(by), sel.mainIndex);
  }
  function setSel(state, selection) {
    return state.update({ selection, scrollIntoView: true, userEvent: "select" });
  }
  function moveSel({ state, dispatch }, how) {
    let selection = updateSel(state.selection, how);
    if (selection.eq(state.selection, true))
      return false;
    dispatch(setSel(state, selection));
    return true;
  }
  function rangeEnd(range, forward) {
    return EditorSelection.cursor(forward ? range.to : range.from);
  }
  function cursorByChar(view, forward) {
    return moveSel(view, (range) => range.empty ? view.moveByChar(range, forward) : rangeEnd(range, forward));
  }
  function ltrAtCursor(view) {
    return view.textDirectionAt(view.state.selection.main.head) == Direction.LTR;
  }
  var cursorCharLeft = (view) => cursorByChar(view, !ltrAtCursor(view));
  var cursorCharRight = (view) => cursorByChar(view, ltrAtCursor(view));
  function cursorByGroup(view, forward) {
    return moveSel(view, (range) => range.empty ? view.moveByGroup(range, forward) : rangeEnd(range, forward));
  }
  var cursorGroupLeft = (view) => cursorByGroup(view, !ltrAtCursor(view));
  var cursorGroupRight = (view) => cursorByGroup(view, ltrAtCursor(view));
  var segmenter = typeof Intl != "undefined" && Intl.Segmenter ? /* @__PURE__ */ new Intl.Segmenter(void 0, { granularity: "word" }) : null;
  function interestingNode(state, node, bracketProp) {
    if (node.type.prop(bracketProp))
      return true;
    let len = node.to - node.from;
    return len && (len > 2 || /[^\s,.;:]/.test(state.sliceDoc(node.from, node.to))) || node.firstChild;
  }
  function moveBySyntax(state, start, forward) {
    let pos = syntaxTree(state).resolveInner(start.head);
    let bracketProp = forward ? NodeProp.closedBy : NodeProp.openedBy;
    for (let at = start.head; ; ) {
      let next = forward ? pos.childAfter(at) : pos.childBefore(at);
      if (!next)
        break;
      if (interestingNode(state, next, bracketProp))
        pos = next;
      else
        at = forward ? next.to : next.from;
    }
    let bracket2 = pos.type.prop(bracketProp), match, newPos;
    if (bracket2 && (match = forward ? matchBrackets(state, pos.from, 1) : matchBrackets(state, pos.to, -1)) && match.matched)
      newPos = forward ? match.end.to : match.end.from;
    else
      newPos = forward ? pos.to : pos.from;
    return EditorSelection.cursor(newPos, forward ? -1 : 1);
  }
  var cursorSyntaxLeft = (view) => moveSel(view, (range) => moveBySyntax(view.state, range, !ltrAtCursor(view)));
  var cursorSyntaxRight = (view) => moveSel(view, (range) => moveBySyntax(view.state, range, ltrAtCursor(view)));
  function cursorByLine(view, forward) {
    return moveSel(view, (range) => {
      if (!range.empty)
        return rangeEnd(range, forward);
      let moved = view.moveVertically(range, forward);
      return moved.head != range.head ? moved : view.moveToLineBoundary(range, forward);
    });
  }
  var cursorLineUp = (view) => cursorByLine(view, false);
  var cursorLineDown = (view) => cursorByLine(view, true);
  function pageInfo(view) {
    let selfScroll = view.scrollDOM.clientHeight < view.scrollDOM.scrollHeight - 2;
    let marginTop = 0, marginBottom = 0, height;
    if (selfScroll) {
      for (let source of view.state.facet(EditorView.scrollMargins)) {
        let margins = source(view);
        if (margins === null || margins === void 0 ? void 0 : margins.top)
          marginTop = Math.max(margins === null || margins === void 0 ? void 0 : margins.top, marginTop);
        if (margins === null || margins === void 0 ? void 0 : margins.bottom)
          marginBottom = Math.max(margins === null || margins === void 0 ? void 0 : margins.bottom, marginBottom);
      }
      height = view.scrollDOM.clientHeight - marginTop - marginBottom;
    } else {
      height = (view.dom.ownerDocument.defaultView || window).innerHeight;
    }
    return {
      marginTop,
      marginBottom,
      selfScroll,
      height: Math.max(view.defaultLineHeight, height - 5)
    };
  }
  function cursorByPage(view, forward) {
    let page = pageInfo(view);
    let { state } = view, selection = updateSel(state.selection, (range) => {
      return range.empty ? view.moveVertically(range, forward, page.height) : rangeEnd(range, forward);
    });
    if (selection.eq(state.selection))
      return false;
    let effect;
    if (page.selfScroll) {
      let startPos = view.coordsAtPos(state.selection.main.head);
      let scrollRect = view.scrollDOM.getBoundingClientRect();
      let scrollTop = scrollRect.top + page.marginTop, scrollBottom = scrollRect.bottom - page.marginBottom;
      if (startPos && startPos.top > scrollTop && startPos.bottom < scrollBottom)
        effect = EditorView.scrollIntoView(selection.main.head, { y: "start", yMargin: startPos.top - scrollTop });
    }
    view.dispatch(setSel(state, selection), { effects: effect });
    return true;
  }
  var cursorPageUp = (view) => cursorByPage(view, false);
  var cursorPageDown = (view) => cursorByPage(view, true);
  function moveByLineBoundary(view, start, forward) {
    let line = view.lineBlockAt(start.head), moved = view.moveToLineBoundary(start, forward);
    if (moved.head == start.head && moved.head != (forward ? line.to : line.from))
      moved = view.moveToLineBoundary(start, forward, false);
    if (!forward && moved.head == line.from && line.length) {
      let space4 = /^\s*/.exec(view.state.sliceDoc(line.from, Math.min(line.from + 100, line.to)))[0].length;
      if (space4 && start.head != line.from + space4)
        moved = EditorSelection.cursor(line.from + space4);
    }
    return moved;
  }
  var cursorLineBoundaryForward = (view) => moveSel(view, (range) => moveByLineBoundary(view, range, true));
  var cursorLineBoundaryBackward = (view) => moveSel(view, (range) => moveByLineBoundary(view, range, false));
  var cursorLineBoundaryLeft = (view) => moveSel(view, (range) => moveByLineBoundary(view, range, !ltrAtCursor(view)));
  var cursorLineBoundaryRight = (view) => moveSel(view, (range) => moveByLineBoundary(view, range, ltrAtCursor(view)));
  var cursorLineStart = (view) => moveSel(view, (range) => EditorSelection.cursor(view.lineBlockAt(range.head).from, 1));
  var cursorLineEnd = (view) => moveSel(view, (range) => EditorSelection.cursor(view.lineBlockAt(range.head).to, -1));
  function toMatchingBracket(state, dispatch, extend2) {
    let found = false, selection = updateSel(state.selection, (range) => {
      let matching = matchBrackets(state, range.head, -1) || matchBrackets(state, range.head, 1) || range.head > 0 && matchBrackets(state, range.head - 1, 1) || range.head < state.doc.length && matchBrackets(state, range.head + 1, -1);
      if (!matching || !matching.end)
        return range;
      found = true;
      let head = matching.start.from == range.head ? matching.end.to : matching.end.from;
      return extend2 ? EditorSelection.range(range.anchor, head) : EditorSelection.cursor(head);
    });
    if (!found)
      return false;
    dispatch(setSel(state, selection));
    return true;
  }
  var cursorMatchingBracket = ({ state, dispatch }) => toMatchingBracket(state, dispatch, false);
  function extendSel(view, how) {
    let selection = updateSel(view.state.selection, (range) => {
      let head = how(range);
      return EditorSelection.range(range.anchor, head.head, head.goalColumn, head.bidiLevel || void 0);
    });
    if (selection.eq(view.state.selection))
      return false;
    view.dispatch(setSel(view.state, selection));
    return true;
  }
  function selectByChar(view, forward) {
    return extendSel(view, (range) => view.moveByChar(range, forward));
  }
  var selectCharLeft = (view) => selectByChar(view, !ltrAtCursor(view));
  var selectCharRight = (view) => selectByChar(view, ltrAtCursor(view));
  function selectByGroup(view, forward) {
    return extendSel(view, (range) => view.moveByGroup(range, forward));
  }
  var selectGroupLeft = (view) => selectByGroup(view, !ltrAtCursor(view));
  var selectGroupRight = (view) => selectByGroup(view, ltrAtCursor(view));
  var selectSyntaxLeft = (view) => extendSel(view, (range) => moveBySyntax(view.state, range, !ltrAtCursor(view)));
  var selectSyntaxRight = (view) => extendSel(view, (range) => moveBySyntax(view.state, range, ltrAtCursor(view)));
  function selectByLine(view, forward) {
    return extendSel(view, (range) => view.moveVertically(range, forward));
  }
  var selectLineUp = (view) => selectByLine(view, false);
  var selectLineDown = (view) => selectByLine(view, true);
  function selectByPage(view, forward) {
    return extendSel(view, (range) => view.moveVertically(range, forward, pageInfo(view).height));
  }
  var selectPageUp = (view) => selectByPage(view, false);
  var selectPageDown = (view) => selectByPage(view, true);
  var selectLineBoundaryForward = (view) => extendSel(view, (range) => moveByLineBoundary(view, range, true));
  var selectLineBoundaryBackward = (view) => extendSel(view, (range) => moveByLineBoundary(view, range, false));
  var selectLineBoundaryLeft = (view) => extendSel(view, (range) => moveByLineBoundary(view, range, !ltrAtCursor(view)));
  var selectLineBoundaryRight = (view) => extendSel(view, (range) => moveByLineBoundary(view, range, ltrAtCursor(view)));
  var selectLineStart = (view) => extendSel(view, (range) => EditorSelection.cursor(view.lineBlockAt(range.head).from));
  var selectLineEnd = (view) => extendSel(view, (range) => EditorSelection.cursor(view.lineBlockAt(range.head).to));
  var cursorDocStart = ({ state, dispatch }) => {
    dispatch(setSel(state, { anchor: 0 }));
    return true;
  };
  var cursorDocEnd = ({ state, dispatch }) => {
    dispatch(setSel(state, { anchor: state.doc.length }));
    return true;
  };
  var selectDocStart = ({ state, dispatch }) => {
    dispatch(setSel(state, { anchor: state.selection.main.anchor, head: 0 }));
    return true;
  };
  var selectDocEnd = ({ state, dispatch }) => {
    dispatch(setSel(state, { anchor: state.selection.main.anchor, head: state.doc.length }));
    return true;
  };
  var selectAll = ({ state, dispatch }) => {
    dispatch(state.update({ selection: { anchor: 0, head: state.doc.length }, userEvent: "select" }));
    return true;
  };
  var selectLine = ({ state, dispatch }) => {
    let ranges = selectedLineBlocks(state).map(({ from, to }) => EditorSelection.range(from, Math.min(to + 1, state.doc.length)));
    dispatch(state.update({ selection: EditorSelection.create(ranges), userEvent: "select" }));
    return true;
  };
  var selectParentSyntax = ({ state, dispatch }) => {
    let selection = updateSel(state.selection, (range) => {
      var _a2;
      let stack = syntaxTree(state).resolveStack(range.from, 1);
      for (let cur2 = stack; cur2; cur2 = cur2.next) {
        let { node } = cur2;
        if ((node.from < range.from && node.to >= range.to || node.to > range.to && node.from <= range.from) && ((_a2 = node.parent) === null || _a2 === void 0 ? void 0 : _a2.parent))
          return EditorSelection.range(node.to, node.from);
      }
      return range;
    });
    dispatch(setSel(state, selection));
    return true;
  };
  var simplifySelection = ({ state, dispatch }) => {
    let cur2 = state.selection, selection = null;
    if (cur2.ranges.length > 1)
      selection = EditorSelection.create([cur2.main]);
    else if (!cur2.main.empty)
      selection = EditorSelection.create([EditorSelection.cursor(cur2.main.head)]);
    if (!selection)
      return false;
    dispatch(setSel(state, selection));
    return true;
  };
  function deleteBy(target, by) {
    if (target.state.readOnly)
      return false;
    let event = "delete.selection", { state } = target;
    let changes = state.changeByRange((range) => {
      let { from, to } = range;
      if (from == to) {
        let towards = by(range);
        if (towards < from) {
          event = "delete.backward";
          towards = skipAtomic(target, towards, false);
        } else if (towards > from) {
          event = "delete.forward";
          towards = skipAtomic(target, towards, true);
        }
        from = Math.min(from, towards);
        to = Math.max(to, towards);
      } else {
        from = skipAtomic(target, from, false);
        to = skipAtomic(target, to, true);
      }
      return from == to ? { range } : { changes: { from, to }, range: EditorSelection.cursor(from, from < range.head ? -1 : 1) };
    });
    if (changes.changes.empty)
      return false;
    target.dispatch(state.update(changes, {
      scrollIntoView: true,
      userEvent: event,
      effects: event == "delete.selection" ? EditorView.announce.of(state.phrase("Selection deleted")) : void 0
    }));
    return true;
  }
  function skipAtomic(target, pos, forward) {
    if (target instanceof EditorView)
      for (let ranges of target.state.facet(EditorView.atomicRanges).map((f) => f(target)))
        ranges.between(pos, pos, (from, to) => {
          if (from < pos && to > pos)
            pos = forward ? to : from;
        });
    return pos;
  }
  var deleteByChar = (target, forward, byIndentUnit) => deleteBy(target, (range) => {
    let pos = range.from, { state } = target, line = state.doc.lineAt(pos), before, targetPos;
    if (byIndentUnit && !forward && pos > line.from && pos < line.from + 200 && !/[^ \t]/.test(before = line.text.slice(0, pos - line.from))) {
      if (before[before.length - 1] == "	")
        return pos - 1;
      let col = countColumn(before, state.tabSize), drop = col % getIndentUnit(state) || getIndentUnit(state);
      for (let i = 0; i < drop && before[before.length - 1 - i] == " "; i++)
        pos--;
      targetPos = pos;
    } else {
      targetPos = findClusterBreak(line.text, pos - line.from, forward, forward) + line.from;
      if (targetPos == pos && line.number != (forward ? state.doc.lines : 1))
        targetPos += forward ? 1 : -1;
      else if (!forward && /[\ufe00-\ufe0f]/.test(line.text.slice(targetPos - line.from, pos - line.from)))
        targetPos = findClusterBreak(line.text, targetPos - line.from, false, false) + line.from;
    }
    return targetPos;
  });
  var deleteCharBackward = (view) => deleteByChar(view, false, true);
  var deleteCharForward = (view) => deleteByChar(view, true, false);
  var deleteByGroup = (target, forward) => deleteBy(target, (range) => {
    let pos = range.head, { state } = target, line = state.doc.lineAt(pos);
    let categorize = state.charCategorizer(pos);
    for (let cat = null; ; ) {
      if (pos == (forward ? line.to : line.from)) {
        if (pos == range.head && line.number != (forward ? state.doc.lines : 1))
          pos += forward ? 1 : -1;
        break;
      }
      let next = findClusterBreak(line.text, pos - line.from, forward) + line.from;
      let nextChar2 = line.text.slice(Math.min(pos, next) - line.from, Math.max(pos, next) - line.from);
      let nextCat = categorize(nextChar2);
      if (cat != null && nextCat != cat)
        break;
      if (nextChar2 != " " || pos != range.head)
        cat = nextCat;
      pos = next;
    }
    return pos;
  });
  var deleteGroupBackward = (target) => deleteByGroup(target, false);
  var deleteGroupForward = (target) => deleteByGroup(target, true);
  var deleteToLineEnd = (view) => deleteBy(view, (range) => {
    let lineEnd2 = view.lineBlockAt(range.head).to;
    return range.head < lineEnd2 ? lineEnd2 : Math.min(view.state.doc.length, range.head + 1);
  });
  var deleteLineBoundaryBackward = (view) => deleteBy(view, (range) => {
    let lineStart = view.moveToLineBoundary(range, false).head;
    return range.head > lineStart ? lineStart : Math.max(0, range.head - 1);
  });
  var deleteLineBoundaryForward = (view) => deleteBy(view, (range) => {
    let lineStart = view.moveToLineBoundary(range, true).head;
    return range.head < lineStart ? lineStart : Math.min(view.state.doc.length, range.head + 1);
  });
  var splitLine = ({ state, dispatch }) => {
    if (state.readOnly)
      return false;
    let changes = state.changeByRange((range) => {
      return {
        changes: { from: range.from, to: range.to, insert: Text.of(["", ""]) },
        range: EditorSelection.cursor(range.from)
      };
    });
    dispatch(state.update(changes, { scrollIntoView: true, userEvent: "input" }));
    return true;
  };
  var transposeChars = ({ state, dispatch }) => {
    if (state.readOnly)
      return false;
    let changes = state.changeByRange((range) => {
      if (!range.empty || range.from == 0 || range.from == state.doc.length)
        return { range };
      let pos = range.from, line = state.doc.lineAt(pos);
      let from = pos == line.from ? pos - 1 : findClusterBreak(line.text, pos - line.from, false) + line.from;
      let to = pos == line.to ? pos + 1 : findClusterBreak(line.text, pos - line.from, true) + line.from;
      return {
        changes: { from, to, insert: state.doc.slice(pos, to).append(state.doc.slice(from, pos)) },
        range: EditorSelection.cursor(to)
      };
    });
    if (changes.changes.empty)
      return false;
    dispatch(state.update(changes, { scrollIntoView: true, userEvent: "move.character" }));
    return true;
  };
  function selectedLineBlocks(state) {
    let blocks = [], upto = -1;
    for (let range of state.selection.ranges) {
      let startLine = state.doc.lineAt(range.from), endLine = state.doc.lineAt(range.to);
      if (!range.empty && range.to == endLine.from)
        endLine = state.doc.lineAt(range.to - 1);
      if (upto >= startLine.number) {
        let prev = blocks[blocks.length - 1];
        prev.to = endLine.to;
        prev.ranges.push(range);
      } else {
        blocks.push({ from: startLine.from, to: endLine.to, ranges: [range] });
      }
      upto = endLine.number + 1;
    }
    return blocks;
  }
  function moveLine(state, dispatch, forward) {
    if (state.readOnly)
      return false;
    let changes = [], ranges = [];
    for (let block of selectedLineBlocks(state)) {
      if (forward ? block.to == state.doc.length : block.from == 0)
        continue;
      let nextLine = state.doc.lineAt(forward ? block.to + 1 : block.from - 1);
      let size = nextLine.length + 1;
      if (forward) {
        changes.push({ from: block.to, to: nextLine.to }, { from: block.from, insert: nextLine.text + state.lineBreak });
        for (let r of block.ranges)
          ranges.push(EditorSelection.range(Math.min(state.doc.length, r.anchor + size), Math.min(state.doc.length, r.head + size)));
      } else {
        changes.push({ from: nextLine.from, to: block.from }, { from: block.to, insert: state.lineBreak + nextLine.text });
        for (let r of block.ranges)
          ranges.push(EditorSelection.range(r.anchor - size, r.head - size));
      }
    }
    if (!changes.length)
      return false;
    dispatch(state.update({
      changes,
      scrollIntoView: true,
      selection: EditorSelection.create(ranges, state.selection.mainIndex),
      userEvent: "move.line"
    }));
    return true;
  }
  var moveLineUp = ({ state, dispatch }) => moveLine(state, dispatch, false);
  var moveLineDown = ({ state, dispatch }) => moveLine(state, dispatch, true);
  function copyLine(state, dispatch, forward) {
    if (state.readOnly)
      return false;
    let changes = [];
    for (let block of selectedLineBlocks(state)) {
      if (forward)
        changes.push({ from: block.from, insert: state.doc.slice(block.from, block.to) + state.lineBreak });
      else
        changes.push({ from: block.to, insert: state.lineBreak + state.doc.slice(block.from, block.to) });
    }
    dispatch(state.update({ changes, scrollIntoView: true, userEvent: "input.copyline" }));
    return true;
  }
  var copyLineUp = ({ state, dispatch }) => copyLine(state, dispatch, false);
  var copyLineDown = ({ state, dispatch }) => copyLine(state, dispatch, true);
  var deleteLine = (view) => {
    if (view.state.readOnly)
      return false;
    let { state } = view, changes = state.changes(selectedLineBlocks(state).map(({ from, to }) => {
      if (from > 0)
        from--;
      else if (to < state.doc.length)
        to++;
      return { from, to };
    }));
    let selection = updateSel(state.selection, (range) => {
      let dist2 = void 0;
      if (view.lineWrapping) {
        let block = view.lineBlockAt(range.head), pos = view.coordsAtPos(range.head, range.assoc || 1);
        if (pos)
          dist2 = block.bottom + view.documentTop - pos.bottom + view.defaultLineHeight / 2;
      }
      return view.moveVertically(range, true, dist2);
    }).map(changes);
    view.dispatch({ changes, selection, scrollIntoView: true, userEvent: "delete.line" });
    return true;
  };
  function isBetweenBrackets(state, pos) {
    if (/\(\)|\[\]|\{\}/.test(state.sliceDoc(pos - 1, pos + 1)))
      return { from: pos, to: pos };
    let context = syntaxTree(state).resolveInner(pos);
    let before = context.childBefore(pos), after = context.childAfter(pos), closedBy;
    if (before && after && before.to <= pos && after.from >= pos && (closedBy = before.type.prop(NodeProp.closedBy)) && closedBy.indexOf(after.name) > -1 && state.doc.lineAt(before.to).from == state.doc.lineAt(after.from).from && !/\S/.test(state.sliceDoc(before.to, after.from)))
      return { from: before.to, to: after.from };
    return null;
  }
  var insertNewlineAndIndent = /* @__PURE__ */ newlineAndIndent(false);
  var insertBlankLine = /* @__PURE__ */ newlineAndIndent(true);
  function newlineAndIndent(atEof) {
    return ({ state, dispatch }) => {
      if (state.readOnly)
        return false;
      let changes = state.changeByRange((range) => {
        let { from, to } = range, line = state.doc.lineAt(from);
        let explode = !atEof && from == to && isBetweenBrackets(state, from);
        if (atEof)
          from = to = (to <= line.to ? line : state.doc.lineAt(to)).to;
        let cx = new IndentContext(state, { simulateBreak: from, simulateDoubleBreak: !!explode });
        let indent = getIndentation(cx, from);
        if (indent == null)
          indent = countColumn(/^\s*/.exec(state.doc.lineAt(from).text)[0], state.tabSize);
        while (to < line.to && /\s/.test(line.text[to - line.from]))
          to++;
        if (explode)
          ({ from, to } = explode);
        else if (from > line.from && from < line.from + 100 && !/\S/.test(line.text.slice(0, from)))
          from = line.from;
        let insert2 = ["", indentString(state, indent)];
        if (explode)
          insert2.push(indentString(state, cx.lineIndent(line.from, -1)));
        return {
          changes: { from, to, insert: Text.of(insert2) },
          range: EditorSelection.cursor(from + 1 + insert2[1].length)
        };
      });
      dispatch(state.update(changes, { scrollIntoView: true, userEvent: "input" }));
      return true;
    };
  }
  function changeBySelectedLine(state, f) {
    let atLine = -1;
    return state.changeByRange((range) => {
      let changes = [];
      for (let pos = range.from; pos <= range.to; ) {
        let line = state.doc.lineAt(pos);
        if (line.number > atLine && (range.empty || range.to > line.from)) {
          f(line, changes, range);
          atLine = line.number;
        }
        pos = line.to + 1;
      }
      let changeSet = state.changes(changes);
      return {
        changes,
        range: EditorSelection.range(changeSet.mapPos(range.anchor, 1), changeSet.mapPos(range.head, 1))
      };
    });
  }
  var indentSelection = ({ state, dispatch }) => {
    if (state.readOnly)
      return false;
    let updated = /* @__PURE__ */ Object.create(null);
    let context = new IndentContext(state, { overrideIndentation: (start) => {
      let found = updated[start];
      return found == null ? -1 : found;
    } });
    let changes = changeBySelectedLine(state, (line, changes2, range) => {
      let indent = getIndentation(context, line.from);
      if (indent == null)
        return;
      if (!/\S/.test(line.text))
        indent = 0;
      let cur2 = /^\s*/.exec(line.text)[0];
      let norm = indentString(state, indent);
      if (cur2 != norm || range.from < line.from + cur2.length) {
        updated[line.from] = indent;
        changes2.push({ from: line.from, to: line.from + cur2.length, insert: norm });
      }
    });
    if (!changes.changes.empty)
      dispatch(state.update(changes, { userEvent: "indent" }));
    return true;
  };
  var indentMore = ({ state, dispatch }) => {
    if (state.readOnly)
      return false;
    dispatch(state.update(changeBySelectedLine(state, (line, changes) => {
      changes.push({ from: line.from, insert: state.facet(indentUnit) });
    }), { userEvent: "input.indent" }));
    return true;
  };
  var indentLess = ({ state, dispatch }) => {
    if (state.readOnly)
      return false;
    dispatch(state.update(changeBySelectedLine(state, (line, changes) => {
      let space4 = /^\s*/.exec(line.text)[0];
      if (!space4)
        return;
      let col = countColumn(space4, state.tabSize), keep = 0;
      let insert2 = indentString(state, Math.max(0, col - getIndentUnit(state)));
      while (keep < space4.length && keep < insert2.length && space4.charCodeAt(keep) == insert2.charCodeAt(keep))
        keep++;
      changes.push({ from: line.from + keep, to: line.from + space4.length, insert: insert2.slice(keep) });
    }), { userEvent: "delete.dedent" }));
    return true;
  };
  var emacsStyleKeymap = [
    { key: "Ctrl-b", run: cursorCharLeft, shift: selectCharLeft, preventDefault: true },
    { key: "Ctrl-f", run: cursorCharRight, shift: selectCharRight },
    { key: "Ctrl-p", run: cursorLineUp, shift: selectLineUp },
    { key: "Ctrl-n", run: cursorLineDown, shift: selectLineDown },
    { key: "Ctrl-a", run: cursorLineStart, shift: selectLineStart },
    { key: "Ctrl-e", run: cursorLineEnd, shift: selectLineEnd },
    { key: "Ctrl-d", run: deleteCharForward },
    { key: "Ctrl-h", run: deleteCharBackward },
    { key: "Ctrl-k", run: deleteToLineEnd },
    { key: "Ctrl-Alt-h", run: deleteGroupBackward },
    { key: "Ctrl-o", run: splitLine },
    { key: "Ctrl-t", run: transposeChars },
    { key: "Ctrl-v", run: cursorPageDown }
  ];
  var standardKeymap = /* @__PURE__ */ [
    { key: "ArrowLeft", run: cursorCharLeft, shift: selectCharLeft, preventDefault: true },
    { key: "Mod-ArrowLeft", mac: "Alt-ArrowLeft", run: cursorGroupLeft, shift: selectGroupLeft, preventDefault: true },
    { mac: "Cmd-ArrowLeft", run: cursorLineBoundaryLeft, shift: selectLineBoundaryLeft, preventDefault: true },
    { key: "ArrowRight", run: cursorCharRight, shift: selectCharRight, preventDefault: true },
    { key: "Mod-ArrowRight", mac: "Alt-ArrowRight", run: cursorGroupRight, shift: selectGroupRight, preventDefault: true },
    { mac: "Cmd-ArrowRight", run: cursorLineBoundaryRight, shift: selectLineBoundaryRight, preventDefault: true },
    { key: "ArrowUp", run: cursorLineUp, shift: selectLineUp, preventDefault: true },
    { mac: "Cmd-ArrowUp", run: cursorDocStart, shift: selectDocStart },
    { mac: "Ctrl-ArrowUp", run: cursorPageUp, shift: selectPageUp },
    { key: "ArrowDown", run: cursorLineDown, shift: selectLineDown, preventDefault: true },
    { mac: "Cmd-ArrowDown", run: cursorDocEnd, shift: selectDocEnd },
    { mac: "Ctrl-ArrowDown", run: cursorPageDown, shift: selectPageDown },
    { key: "PageUp", run: cursorPageUp, shift: selectPageUp },
    { key: "PageDown", run: cursorPageDown, shift: selectPageDown },
    { key: "Home", run: cursorLineBoundaryBackward, shift: selectLineBoundaryBackward, preventDefault: true },
    { key: "Mod-Home", run: cursorDocStart, shift: selectDocStart },
    { key: "End", run: cursorLineBoundaryForward, shift: selectLineBoundaryForward, preventDefault: true },
    { key: "Mod-End", run: cursorDocEnd, shift: selectDocEnd },
    { key: "Enter", run: insertNewlineAndIndent },
    { key: "Mod-a", run: selectAll },
    { key: "Backspace", run: deleteCharBackward, shift: deleteCharBackward },
    { key: "Delete", run: deleteCharForward },
    { key: "Mod-Backspace", mac: "Alt-Backspace", run: deleteGroupBackward },
    { key: "Mod-Delete", mac: "Alt-Delete", run: deleteGroupForward },
    { mac: "Mod-Backspace", run: deleteLineBoundaryBackward },
    { mac: "Mod-Delete", run: deleteLineBoundaryForward }
  ].concat(/* @__PURE__ */ emacsStyleKeymap.map((b) => ({ mac: b.key, run: b.run, shift: b.shift })));
  var defaultKeymap = /* @__PURE__ */ [
    { key: "Alt-ArrowLeft", mac: "Ctrl-ArrowLeft", run: cursorSyntaxLeft, shift: selectSyntaxLeft },
    { key: "Alt-ArrowRight", mac: "Ctrl-ArrowRight", run: cursorSyntaxRight, shift: selectSyntaxRight },
    { key: "Alt-ArrowUp", run: moveLineUp },
    { key: "Shift-Alt-ArrowUp", run: copyLineUp },
    { key: "Alt-ArrowDown", run: moveLineDown },
    { key: "Shift-Alt-ArrowDown", run: copyLineDown },
    { key: "Escape", run: simplifySelection },
    { key: "Mod-Enter", run: insertBlankLine },
    { key: "Alt-l", mac: "Ctrl-l", run: selectLine },
    { key: "Mod-i", run: selectParentSyntax, preventDefault: true },
    { key: "Mod-[", run: indentLess },
    { key: "Mod-]", run: indentMore },
    { key: "Mod-Alt-\\", run: indentSelection },
    { key: "Shift-Mod-k", run: deleteLine },
    { key: "Shift-Mod-\\", run: cursorMatchingBracket },
    { key: "Mod-/", run: toggleComment },
    { key: "Alt-A", run: toggleBlockComment }
  ].concat(standardKeymap);
  var indentWithTab = { key: "Tab", run: indentMore, shift: indentLess };

  // node_modules/crelt/index.js
  function crelt() {
    var elt2 = arguments[0];
    if (typeof elt2 == "string") elt2 = document.createElement(elt2);
    var i = 1, next = arguments[1];
    if (next && typeof next == "object" && next.nodeType == null && !Array.isArray(next)) {
      for (var name2 in next) if (Object.prototype.hasOwnProperty.call(next, name2)) {
        var value = next[name2];
        if (typeof value == "string") elt2.setAttribute(name2, value);
        else if (value != null) elt2[name2] = value;
      }
      i++;
    }
    for (; i < arguments.length; i++) add(elt2, arguments[i]);
    return elt2;
  }
  function add(elt2, child) {
    if (typeof child == "string") {
      elt2.appendChild(document.createTextNode(child));
    } else if (child == null) {
    } else if (child.nodeType != null) {
      elt2.appendChild(child);
    } else if (Array.isArray(child)) {
      for (var i = 0; i < child.length; i++) add(elt2, child[i]);
    } else {
      throw new RangeError("Unsupported child node: " + child);
    }
  }

  // node_modules/@codemirror/search/dist/index.js
  var basicNormalize = typeof String.prototype.normalize == "function" ? (x) => x.normalize("NFKD") : (x) => x;
  var SearchCursor = class {
    /**
    Create a text cursor. The query is the search string, `from` to
    `to` provides the region to search.
    
    When `normalize` is given, it will be called, on both the query
    string and the content it is matched against, before comparing.
    You can, for example, create a case-insensitive search by
    passing `s => s.toLowerCase()`.
    
    Text is always normalized with
    [`.normalize("NFKD")`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/normalize)
    (when supported).
    */
    constructor(text, query, from = 0, to = text.length, normalize, test) {
      this.test = test;
      this.value = { from: 0, to: 0 };
      this.done = false;
      this.matches = [];
      this.buffer = "";
      this.bufferPos = 0;
      this.iter = text.iterRange(from, to);
      this.bufferStart = from;
      this.normalize = normalize ? (x) => normalize(basicNormalize(x)) : basicNormalize;
      this.query = this.normalize(query);
    }
    peek() {
      if (this.bufferPos == this.buffer.length) {
        this.bufferStart += this.buffer.length;
        this.iter.next();
        if (this.iter.done)
          return -1;
        this.bufferPos = 0;
        this.buffer = this.iter.value;
      }
      return codePointAt(this.buffer, this.bufferPos);
    }
    /**
    Look for the next match. Updates the iterator's
    [`value`](https://codemirror.net/6/docs/ref/#search.SearchCursor.value) and
    [`done`](https://codemirror.net/6/docs/ref/#search.SearchCursor.done) properties. Should be called
    at least once before using the cursor.
    */
    next() {
      while (this.matches.length)
        this.matches.pop();
      return this.nextOverlapping();
    }
    /**
    The `next` method will ignore matches that partially overlap a
    previous match. This method behaves like `next`, but includes
    such matches.
    */
    nextOverlapping() {
      for (; ; ) {
        let next = this.peek();
        if (next < 0) {
          this.done = true;
          return this;
        }
        let str = fromCodePoint(next), start = this.bufferStart + this.bufferPos;
        this.bufferPos += codePointSize(next);
        let norm = this.normalize(str);
        for (let i = 0, pos = start; ; i++) {
          let code = norm.charCodeAt(i);
          let match = this.match(code, pos, this.bufferPos + this.bufferStart);
          if (i == norm.length - 1) {
            if (match) {
              this.value = match;
              return this;
            }
            break;
          }
          if (pos == start && i < str.length && str.charCodeAt(i) == code)
            pos++;
        }
      }
    }
    match(code, pos, end) {
      let match = null;
      for (let i = 0; i < this.matches.length; i += 2) {
        let index = this.matches[i], keep = false;
        if (this.query.charCodeAt(index) == code) {
          if (index == this.query.length - 1) {
            match = { from: this.matches[i + 1], to: end };
          } else {
            this.matches[i]++;
            keep = true;
          }
        }
        if (!keep) {
          this.matches.splice(i, 2);
          i -= 2;
        }
      }
      if (this.query.charCodeAt(0) == code) {
        if (this.query.length == 1)
          match = { from: pos, to: end };
        else
          this.matches.push(1, pos);
      }
      if (match && this.test && !this.test(match.from, match.to, this.buffer, this.bufferStart))
        match = null;
      return match;
    }
  };
  if (typeof Symbol != "undefined")
    SearchCursor.prototype[Symbol.iterator] = function() {
      return this;
    };
  var empty = { from: -1, to: -1, match: /* @__PURE__ */ /.*/.exec("") };
  var baseFlags = "gm" + (/x/.unicode == null ? "" : "u");
  var RegExpCursor = class {
    /**
    Create a cursor that will search the given range in the given
    document. `query` should be the raw pattern (as you'd pass it to
    `new RegExp`).
    */
    constructor(text, query, options, from = 0, to = text.length) {
      this.text = text;
      this.to = to;
      this.curLine = "";
      this.done = false;
      this.value = empty;
      if (/\\[sWDnr]|\n|\r|\[\^/.test(query))
        return new MultilineRegExpCursor(text, query, options, from, to);
      this.re = new RegExp(query, baseFlags + ((options === null || options === void 0 ? void 0 : options.ignoreCase) ? "i" : ""));
      this.test = options === null || options === void 0 ? void 0 : options.test;
      this.iter = text.iter();
      let startLine = text.lineAt(from);
      this.curLineStart = startLine.from;
      this.matchPos = toCharEnd(text, from);
      this.getLine(this.curLineStart);
    }
    getLine(skip) {
      this.iter.next(skip);
      if (this.iter.lineBreak) {
        this.curLine = "";
      } else {
        this.curLine = this.iter.value;
        if (this.curLineStart + this.curLine.length > this.to)
          this.curLine = this.curLine.slice(0, this.to - this.curLineStart);
        this.iter.next();
      }
    }
    nextLine() {
      this.curLineStart = this.curLineStart + this.curLine.length + 1;
      if (this.curLineStart > this.to)
        this.curLine = "";
      else
        this.getLine(0);
    }
    /**
    Move to the next match, if there is one.
    */
    next() {
      for (let off = this.matchPos - this.curLineStart; ; ) {
        this.re.lastIndex = off;
        let match = this.matchPos <= this.to && this.re.exec(this.curLine);
        if (match) {
          let from = this.curLineStart + match.index, to = from + match[0].length;
          this.matchPos = toCharEnd(this.text, to + (from == to ? 1 : 0));
          if (from == this.curLineStart + this.curLine.length)
            this.nextLine();
          if ((from < to || from > this.value.to) && (!this.test || this.test(from, to, match))) {
            this.value = { from, to, match };
            return this;
          }
          off = this.matchPos - this.curLineStart;
        } else if (this.curLineStart + this.curLine.length < this.to) {
          this.nextLine();
          off = 0;
        } else {
          this.done = true;
          return this;
        }
      }
    }
  };
  var flattened = /* @__PURE__ */ new WeakMap();
  var FlattenedDoc = class _FlattenedDoc {
    constructor(from, text) {
      this.from = from;
      this.text = text;
    }
    get to() {
      return this.from + this.text.length;
    }
    static get(doc2, from, to) {
      let cached = flattened.get(doc2);
      if (!cached || cached.from >= to || cached.to <= from) {
        let flat = new _FlattenedDoc(from, doc2.sliceString(from, to));
        flattened.set(doc2, flat);
        return flat;
      }
      if (cached.from == from && cached.to == to)
        return cached;
      let { text, from: cachedFrom } = cached;
      if (cachedFrom > from) {
        text = doc2.sliceString(from, cachedFrom) + text;
        cachedFrom = from;
      }
      if (cached.to < to)
        text += doc2.sliceString(cached.to, to);
      flattened.set(doc2, new _FlattenedDoc(cachedFrom, text));
      return new _FlattenedDoc(from, text.slice(from - cachedFrom, to - cachedFrom));
    }
  };
  var MultilineRegExpCursor = class {
    constructor(text, query, options, from, to) {
      this.text = text;
      this.to = to;
      this.done = false;
      this.value = empty;
      this.matchPos = toCharEnd(text, from);
      this.re = new RegExp(query, baseFlags + ((options === null || options === void 0 ? void 0 : options.ignoreCase) ? "i" : ""));
      this.test = options === null || options === void 0 ? void 0 : options.test;
      this.flat = FlattenedDoc.get(text, from, this.chunkEnd(
        from + 5e3
        /* Chunk.Base */
      ));
    }
    chunkEnd(pos) {
      return pos >= this.to ? this.to : this.text.lineAt(pos).to;
    }
    next() {
      for (; ; ) {
        let off = this.re.lastIndex = this.matchPos - this.flat.from;
        let match = this.re.exec(this.flat.text);
        if (match && !match[0] && match.index == off) {
          this.re.lastIndex = off + 1;
          match = this.re.exec(this.flat.text);
        }
        if (match) {
          let from = this.flat.from + match.index, to = from + match[0].length;
          if ((this.flat.to >= this.to || match.index + match[0].length <= this.flat.text.length - 10) && (!this.test || this.test(from, to, match))) {
            this.value = { from, to, match };
            this.matchPos = toCharEnd(this.text, to + (from == to ? 1 : 0));
            return this;
          }
        }
        if (this.flat.to == this.to) {
          this.done = true;
          return this;
        }
        this.flat = FlattenedDoc.get(this.text, this.flat.from, this.chunkEnd(this.flat.from + this.flat.text.length * 2));
      }
    }
  };
  if (typeof Symbol != "undefined") {
    RegExpCursor.prototype[Symbol.iterator] = MultilineRegExpCursor.prototype[Symbol.iterator] = function() {
      return this;
    };
  }
  function validRegExp(source) {
    try {
      new RegExp(source, baseFlags);
      return true;
    } catch (_a2) {
      return false;
    }
  }
  function toCharEnd(text, pos) {
    if (pos >= text.length)
      return pos;
    let line = text.lineAt(pos), next;
    while (pos < line.to && (next = line.text.charCodeAt(pos - line.from)) >= 56320 && next < 57344)
      pos++;
    return pos;
  }
  function createLineDialog(view) {
    let line = String(view.state.doc.lineAt(view.state.selection.main.head).number);
    let input = crelt("input", { class: "cm-textfield", name: "line", value: line });
    let dom = crelt("form", {
      class: "cm-gotoLine",
      onkeydown: (event) => {
        if (event.keyCode == 27) {
          event.preventDefault();
          view.dispatch({ effects: dialogEffect.of(false) });
          view.focus();
        } else if (event.keyCode == 13) {
          event.preventDefault();
          go();
        }
      },
      onsubmit: (event) => {
        event.preventDefault();
        go();
      }
    }, crelt("label", view.state.phrase("Go to line"), ": ", input), " ", crelt("button", { class: "cm-button", type: "submit" }, view.state.phrase("go")));
    function go() {
      let match = /^([+-])?(\d+)?(:\d+)?(%)?$/.exec(input.value);
      if (!match)
        return;
      let { state } = view, startLine = state.doc.lineAt(state.selection.main.head);
      let [, sign, ln, cl, percent2] = match;
      let col = cl ? +cl.slice(1) : 0;
      let line2 = ln ? +ln : startLine.number;
      if (ln && percent2) {
        let pc = line2 / 100;
        if (sign)
          pc = pc * (sign == "-" ? -1 : 1) + startLine.number / state.doc.lines;
        line2 = Math.round(state.doc.lines * pc);
      } else if (ln && sign) {
        line2 = line2 * (sign == "-" ? -1 : 1) + startLine.number;
      }
      let docLine = state.doc.line(Math.max(1, Math.min(state.doc.lines, line2)));
      let selection = EditorSelection.cursor(docLine.from + Math.max(0, Math.min(col, docLine.length)));
      view.dispatch({
        effects: [dialogEffect.of(false), EditorView.scrollIntoView(selection.from, { y: "center" })],
        selection
      });
      view.focus();
    }
    return { dom };
  }
  var dialogEffect = /* @__PURE__ */ StateEffect.define();
  var dialogField = /* @__PURE__ */ StateField.define({
    create() {
      return true;
    },
    update(value, tr) {
      for (let e of tr.effects)
        if (e.is(dialogEffect))
          value = e.value;
      return value;
    },
    provide: (f) => showPanel.from(f, (val) => val ? createLineDialog : null)
  });
  var gotoLine = (view) => {
    let panel = getPanel(view, createLineDialog);
    if (!panel) {
      let effects = [dialogEffect.of(true)];
      if (view.state.field(dialogField, false) == null)
        effects.push(StateEffect.appendConfig.of([dialogField, baseTheme$13]));
      view.dispatch({ effects });
      panel = getPanel(view, createLineDialog);
    }
    if (panel)
      panel.dom.querySelector("input").select();
    return true;
  };
  var baseTheme$13 = /* @__PURE__ */ EditorView.baseTheme({
    ".cm-panel.cm-gotoLine": {
      padding: "2px 6px 4px",
      "& label": { fontSize: "80%" }
    }
  });
  var defaultHighlightOptions = {
    highlightWordAroundCursor: false,
    minSelectionLength: 1,
    maxMatches: 100,
    wholeWords: false
  };
  var highlightConfig = /* @__PURE__ */ Facet.define({
    combine(options) {
      return combineConfig(options, defaultHighlightOptions, {
        highlightWordAroundCursor: (a, b) => a || b,
        minSelectionLength: Math.min,
        maxMatches: Math.min
      });
    }
  });
  function highlightSelectionMatches(options) {
    let ext = [defaultTheme, matchHighlighter];
    if (options)
      ext.push(highlightConfig.of(options));
    return ext;
  }
  var matchDeco = /* @__PURE__ */ Decoration.mark({ class: "cm-selectionMatch" });
  var mainMatchDeco = /* @__PURE__ */ Decoration.mark({ class: "cm-selectionMatch cm-selectionMatch-main" });
  function insideWordBoundaries(check, state, from, to) {
    return (from == 0 || check(state.sliceDoc(from - 1, from)) != CharCategory.Word) && (to == state.doc.length || check(state.sliceDoc(to, to + 1)) != CharCategory.Word);
  }
  function insideWord(check, state, from, to) {
    return check(state.sliceDoc(from, from + 1)) == CharCategory.Word && check(state.sliceDoc(to - 1, to)) == CharCategory.Word;
  }
  var matchHighlighter = /* @__PURE__ */ ViewPlugin.fromClass(class {
    constructor(view) {
      this.decorations = this.getDeco(view);
    }
    update(update) {
      if (update.selectionSet || update.docChanged || update.viewportChanged)
        this.decorations = this.getDeco(update.view);
    }
    getDeco(view) {
      let conf = view.state.facet(highlightConfig);
      let { state } = view, sel = state.selection;
      if (sel.ranges.length > 1)
        return Decoration.none;
      let range = sel.main, query, check = null;
      if (range.empty) {
        if (!conf.highlightWordAroundCursor)
          return Decoration.none;
        let word = state.wordAt(range.head);
        if (!word)
          return Decoration.none;
        check = state.charCategorizer(range.head);
        query = state.sliceDoc(word.from, word.to);
      } else {
        let len = range.to - range.from;
        if (len < conf.minSelectionLength || len > 200)
          return Decoration.none;
        if (conf.wholeWords) {
          query = state.sliceDoc(range.from, range.to);
          check = state.charCategorizer(range.head);
          if (!(insideWordBoundaries(check, state, range.from, range.to) && insideWord(check, state, range.from, range.to)))
            return Decoration.none;
        } else {
          query = state.sliceDoc(range.from, range.to);
          if (!query)
            return Decoration.none;
        }
      }
      let deco = [];
      for (let part of view.visibleRanges) {
        let cursor = new SearchCursor(state.doc, query, part.from, part.to);
        while (!cursor.next().done) {
          let { from, to } = cursor.value;
          if (!check || insideWordBoundaries(check, state, from, to)) {
            if (range.empty && from <= range.from && to >= range.to)
              deco.push(mainMatchDeco.range(from, to));
            else if (from >= range.to || to <= range.from)
              deco.push(matchDeco.range(from, to));
            if (deco.length > conf.maxMatches)
              return Decoration.none;
          }
        }
      }
      return Decoration.set(deco);
    }
  }, {
    decorations: (v) => v.decorations
  });
  var defaultTheme = /* @__PURE__ */ EditorView.baseTheme({
    ".cm-selectionMatch": { backgroundColor: "#99ff7780" },
    ".cm-searchMatch .cm-selectionMatch": { backgroundColor: "transparent" }
  });
  var selectWord = ({ state, dispatch }) => {
    let { selection } = state;
    let newSel = EditorSelection.create(selection.ranges.map((range) => state.wordAt(range.head) || EditorSelection.cursor(range.head)), selection.mainIndex);
    if (newSel.eq(selection))
      return false;
    dispatch(state.update({ selection: newSel }));
    return true;
  };
  function findNextOccurrence(state, query) {
    let { main, ranges } = state.selection;
    let word = state.wordAt(main.head), fullWord = word && word.from == main.from && word.to == main.to;
    for (let cycled = false, cursor = new SearchCursor(state.doc, query, ranges[ranges.length - 1].to); ; ) {
      cursor.next();
      if (cursor.done) {
        if (cycled)
          return null;
        cursor = new SearchCursor(state.doc, query, 0, Math.max(0, ranges[ranges.length - 1].from - 1));
        cycled = true;
      } else {
        if (cycled && ranges.some((r) => r.from == cursor.value.from))
          continue;
        if (fullWord) {
          let word2 = state.wordAt(cursor.value.from);
          if (!word2 || word2.from != cursor.value.from || word2.to != cursor.value.to)
            continue;
        }
        return cursor.value;
      }
    }
  }
  var selectNextOccurrence = ({ state, dispatch }) => {
    let { ranges } = state.selection;
    if (ranges.some((sel) => sel.from === sel.to))
      return selectWord({ state, dispatch });
    let searchedText = state.sliceDoc(ranges[0].from, ranges[0].to);
    if (state.selection.ranges.some((r) => state.sliceDoc(r.from, r.to) != searchedText))
      return false;
    let range = findNextOccurrence(state, searchedText);
    if (!range)
      return false;
    dispatch(state.update({
      selection: state.selection.addRange(EditorSelection.range(range.from, range.to), false),
      effects: EditorView.scrollIntoView(range.to)
    }));
    return true;
  };
  var searchConfigFacet = /* @__PURE__ */ Facet.define({
    combine(configs) {
      return combineConfig(configs, {
        top: false,
        caseSensitive: false,
        literal: false,
        regexp: false,
        wholeWord: false,
        createPanel: (view) => new SearchPanel(view),
        scrollToMatch: (range) => EditorView.scrollIntoView(range)
      });
    }
  });
  var SearchQuery = class {
    /**
    Create a query object.
    */
    constructor(config2) {
      this.search = config2.search;
      this.caseSensitive = !!config2.caseSensitive;
      this.literal = !!config2.literal;
      this.regexp = !!config2.regexp;
      this.replace = config2.replace || "";
      this.valid = !!this.search && (!this.regexp || validRegExp(this.search));
      this.unquoted = this.unquote(this.search);
      this.wholeWord = !!config2.wholeWord;
    }
    /**
    @internal
    */
    unquote(text) {
      return this.literal ? text : text.replace(/\\([nrt\\])/g, (_, ch) => ch == "n" ? "\n" : ch == "r" ? "\r" : ch == "t" ? "	" : "\\");
    }
    /**
    Compare this query to another query.
    */
    eq(other) {
      return this.search == other.search && this.replace == other.replace && this.caseSensitive == other.caseSensitive && this.regexp == other.regexp && this.wholeWord == other.wholeWord;
    }
    /**
    @internal
    */
    create() {
      return this.regexp ? new RegExpQuery(this) : new StringQuery(this);
    }
    /**
    Get a search cursor for this query, searching through the given
    range in the given state.
    */
    getCursor(state, from = 0, to) {
      let st = state.doc ? state : EditorState.create({ doc: state });
      if (to == null)
        to = st.doc.length;
      return this.regexp ? regexpCursor(this, st, from, to) : stringCursor(this, st, from, to);
    }
  };
  var QueryType2 = class {
    constructor(spec) {
      this.spec = spec;
    }
  };
  function stringCursor(spec, state, from, to) {
    return new SearchCursor(state.doc, spec.unquoted, from, to, spec.caseSensitive ? void 0 : (x) => x.toLowerCase(), spec.wholeWord ? stringWordTest(state.doc, state.charCategorizer(state.selection.main.head)) : void 0);
  }
  function stringWordTest(doc2, categorizer) {
    return (from, to, buf, bufPos) => {
      if (bufPos > from || bufPos + buf.length < to) {
        bufPos = Math.max(0, from - 2);
        buf = doc2.sliceString(bufPos, Math.min(doc2.length, to + 2));
      }
      return (categorizer(charBefore(buf, from - bufPos)) != CharCategory.Word || categorizer(charAfter(buf, from - bufPos)) != CharCategory.Word) && (categorizer(charAfter(buf, to - bufPos)) != CharCategory.Word || categorizer(charBefore(buf, to - bufPos)) != CharCategory.Word);
    };
  }
  var StringQuery = class extends QueryType2 {
    constructor(spec) {
      super(spec);
    }
    nextMatch(state, curFrom, curTo) {
      let cursor = stringCursor(this.spec, state, curTo, state.doc.length).nextOverlapping();
      if (cursor.done)
        cursor = stringCursor(this.spec, state, 0, curFrom).nextOverlapping();
      return cursor.done ? null : cursor.value;
    }
    // Searching in reverse is, rather than implementing an inverted search
    // cursor, done by scanning chunk after chunk forward.
    prevMatchInRange(state, from, to) {
      for (let pos = to; ; ) {
        let start = Math.max(from, pos - 1e4 - this.spec.unquoted.length);
        let cursor = stringCursor(this.spec, state, start, pos), range = null;
        while (!cursor.nextOverlapping().done)
          range = cursor.value;
        if (range)
          return range;
        if (start == from)
          return null;
        pos -= 1e4;
      }
    }
    prevMatch(state, curFrom, curTo) {
      return this.prevMatchInRange(state, 0, curFrom) || this.prevMatchInRange(state, curTo, state.doc.length);
    }
    getReplacement(_result) {
      return this.spec.unquote(this.spec.replace);
    }
    matchAll(state, limit) {
      let cursor = stringCursor(this.spec, state, 0, state.doc.length), ranges = [];
      while (!cursor.next().done) {
        if (ranges.length >= limit)
          return null;
        ranges.push(cursor.value);
      }
      return ranges;
    }
    highlight(state, from, to, add2) {
      let cursor = stringCursor(this.spec, state, Math.max(0, from - this.spec.unquoted.length), Math.min(to + this.spec.unquoted.length, state.doc.length));
      while (!cursor.next().done)
        add2(cursor.value.from, cursor.value.to);
    }
  };
  function regexpCursor(spec, state, from, to) {
    return new RegExpCursor(state.doc, spec.search, {
      ignoreCase: !spec.caseSensitive,
      test: spec.wholeWord ? regexpWordTest(state.charCategorizer(state.selection.main.head)) : void 0
    }, from, to);
  }
  function charBefore(str, index) {
    return str.slice(findClusterBreak(str, index, false), index);
  }
  function charAfter(str, index) {
    return str.slice(index, findClusterBreak(str, index));
  }
  function regexpWordTest(categorizer) {
    return (_from, _to, match) => !match[0].length || (categorizer(charBefore(match.input, match.index)) != CharCategory.Word || categorizer(charAfter(match.input, match.index)) != CharCategory.Word) && (categorizer(charAfter(match.input, match.index + match[0].length)) != CharCategory.Word || categorizer(charBefore(match.input, match.index + match[0].length)) != CharCategory.Word);
  }
  var RegExpQuery = class extends QueryType2 {
    nextMatch(state, curFrom, curTo) {
      let cursor = regexpCursor(this.spec, state, curTo, state.doc.length).next();
      if (cursor.done)
        cursor = regexpCursor(this.spec, state, 0, curFrom).next();
      return cursor.done ? null : cursor.value;
    }
    prevMatchInRange(state, from, to) {
      for (let size = 1; ; size++) {
        let start = Math.max(
          from,
          to - size * 1e4
          /* FindPrev.ChunkSize */
        );
        let cursor = regexpCursor(this.spec, state, start, to), range = null;
        while (!cursor.next().done)
          range = cursor.value;
        if (range && (start == from || range.from > start + 10))
          return range;
        if (start == from)
          return null;
      }
    }
    prevMatch(state, curFrom, curTo) {
      return this.prevMatchInRange(state, 0, curFrom) || this.prevMatchInRange(state, curTo, state.doc.length);
    }
    getReplacement(result) {
      return this.spec.unquote(this.spec.replace).replace(/\$([$&\d+])/g, (m, i) => i == "$" ? "$" : i == "&" ? result.match[0] : i != "0" && +i < result.match.length ? result.match[i] : m);
    }
    matchAll(state, limit) {
      let cursor = regexpCursor(this.spec, state, 0, state.doc.length), ranges = [];
      while (!cursor.next().done) {
        if (ranges.length >= limit)
          return null;
        ranges.push(cursor.value);
      }
      return ranges;
    }
    highlight(state, from, to, add2) {
      let cursor = regexpCursor(this.spec, state, Math.max(
        0,
        from - 250
        /* RegExp.HighlightMargin */
      ), Math.min(to + 250, state.doc.length));
      while (!cursor.next().done)
        add2(cursor.value.from, cursor.value.to);
    }
  };
  var setSearchQuery = /* @__PURE__ */ StateEffect.define();
  var togglePanel = /* @__PURE__ */ StateEffect.define();
  var searchState = /* @__PURE__ */ StateField.define({
    create(state) {
      return new SearchState(defaultQuery(state).create(), null);
    },
    update(value, tr) {
      for (let effect of tr.effects) {
        if (effect.is(setSearchQuery))
          value = new SearchState(effect.value.create(), value.panel);
        else if (effect.is(togglePanel))
          value = new SearchState(value.query, effect.value ? createSearchPanel : null);
      }
      return value;
    },
    provide: (f) => showPanel.from(f, (val) => val.panel)
  });
  var SearchState = class {
    constructor(query, panel) {
      this.query = query;
      this.panel = panel;
    }
  };
  var matchMark = /* @__PURE__ */ Decoration.mark({ class: "cm-searchMatch" });
  var selectedMatchMark = /* @__PURE__ */ Decoration.mark({ class: "cm-searchMatch cm-searchMatch-selected" });
  var searchHighlighter = /* @__PURE__ */ ViewPlugin.fromClass(class {
    constructor(view) {
      this.view = view;
      this.decorations = this.highlight(view.state.field(searchState));
    }
    update(update) {
      let state = update.state.field(searchState);
      if (state != update.startState.field(searchState) || update.docChanged || update.selectionSet || update.viewportChanged)
        this.decorations = this.highlight(state);
    }
    highlight({ query, panel }) {
      if (!panel || !query.spec.valid)
        return Decoration.none;
      let { view } = this;
      let builder = new RangeSetBuilder();
      for (let i = 0, ranges = view.visibleRanges, l = ranges.length; i < l; i++) {
        let { from, to } = ranges[i];
        while (i < l - 1 && to > ranges[i + 1].from - 2 * 250)
          to = ranges[++i].to;
        query.highlight(view.state, from, to, (from2, to2) => {
          let selected = view.state.selection.ranges.some((r) => r.from == from2 && r.to == to2);
          builder.add(from2, to2, selected ? selectedMatchMark : matchMark);
        });
      }
      return builder.finish();
    }
  }, {
    decorations: (v) => v.decorations
  });
  function searchCommand(f) {
    return (view) => {
      let state = view.state.field(searchState, false);
      return state && state.query.spec.valid ? f(view, state) : openSearchPanel(view);
    };
  }
  var findNext = /* @__PURE__ */ searchCommand((view, { query }) => {
    let { to } = view.state.selection.main;
    let next = query.nextMatch(view.state, to, to);
    if (!next)
      return false;
    let selection = EditorSelection.single(next.from, next.to);
    let config2 = view.state.facet(searchConfigFacet);
    view.dispatch({
      selection,
      effects: [announceMatch(view, next), config2.scrollToMatch(selection.main, view)],
      userEvent: "select.search"
    });
    selectSearchInput(view);
    return true;
  });
  var findPrevious = /* @__PURE__ */ searchCommand((view, { query }) => {
    let { state } = view, { from } = state.selection.main;
    let prev = query.prevMatch(state, from, from);
    if (!prev)
      return false;
    let selection = EditorSelection.single(prev.from, prev.to);
    let config2 = view.state.facet(searchConfigFacet);
    view.dispatch({
      selection,
      effects: [announceMatch(view, prev), config2.scrollToMatch(selection.main, view)],
      userEvent: "select.search"
    });
    selectSearchInput(view);
    return true;
  });
  var selectMatches = /* @__PURE__ */ searchCommand((view, { query }) => {
    let ranges = query.matchAll(view.state, 1e3);
    if (!ranges || !ranges.length)
      return false;
    view.dispatch({
      selection: EditorSelection.create(ranges.map((r) => EditorSelection.range(r.from, r.to))),
      userEvent: "select.search.matches"
    });
    return true;
  });
  var selectSelectionMatches = ({ state, dispatch }) => {
    let sel = state.selection;
    if (sel.ranges.length > 1 || sel.main.empty)
      return false;
    let { from, to } = sel.main;
    let ranges = [], main = 0;
    for (let cur2 = new SearchCursor(state.doc, state.sliceDoc(from, to)); !cur2.next().done; ) {
      if (ranges.length > 1e3)
        return false;
      if (cur2.value.from == from)
        main = ranges.length;
      ranges.push(EditorSelection.range(cur2.value.from, cur2.value.to));
    }
    dispatch(state.update({
      selection: EditorSelection.create(ranges, main),
      userEvent: "select.search.matches"
    }));
    return true;
  };
  var replaceNext = /* @__PURE__ */ searchCommand((view, { query }) => {
    let { state } = view, { from, to } = state.selection.main;
    if (state.readOnly)
      return false;
    let next = query.nextMatch(state, from, from);
    if (!next)
      return false;
    let changes = [], selection, replacement;
    let effects = [];
    if (next.from == from && next.to == to) {
      replacement = state.toText(query.getReplacement(next));
      changes.push({ from: next.from, to: next.to, insert: replacement });
      next = query.nextMatch(state, next.from, next.to);
      effects.push(EditorView.announce.of(state.phrase("replaced match on line $", state.doc.lineAt(from).number) + "."));
    }
    if (next) {
      let off = changes.length == 0 || changes[0].from >= next.to ? 0 : next.to - next.from - replacement.length;
      selection = EditorSelection.single(next.from - off, next.to - off);
      effects.push(announceMatch(view, next));
      effects.push(state.facet(searchConfigFacet).scrollToMatch(selection.main, view));
    }
    view.dispatch({
      changes,
      selection,
      effects,
      userEvent: "input.replace"
    });
    return true;
  });
  var replaceAll = /* @__PURE__ */ searchCommand((view, { query }) => {
    if (view.state.readOnly)
      return false;
    let changes = query.matchAll(view.state, 1e9).map((match) => {
      let { from, to } = match;
      return { from, to, insert: query.getReplacement(match) };
    });
    if (!changes.length)
      return false;
    let announceText = view.state.phrase("replaced $ matches", changes.length) + ".";
    view.dispatch({
      changes,
      effects: EditorView.announce.of(announceText),
      userEvent: "input.replace.all"
    });
    return true;
  });
  function createSearchPanel(view) {
    return view.state.facet(searchConfigFacet).createPanel(view);
  }
  function defaultQuery(state, fallback) {
    var _a2, _b, _c, _d, _e;
    let sel = state.selection.main;
    let selText = sel.empty || sel.to > sel.from + 100 ? "" : state.sliceDoc(sel.from, sel.to);
    if (fallback && !selText)
      return fallback;
    let config2 = state.facet(searchConfigFacet);
    return new SearchQuery({
      search: ((_a2 = fallback === null || fallback === void 0 ? void 0 : fallback.literal) !== null && _a2 !== void 0 ? _a2 : config2.literal) ? selText : selText.replace(/\n/g, "\\n"),
      caseSensitive: (_b = fallback === null || fallback === void 0 ? void 0 : fallback.caseSensitive) !== null && _b !== void 0 ? _b : config2.caseSensitive,
      literal: (_c = fallback === null || fallback === void 0 ? void 0 : fallback.literal) !== null && _c !== void 0 ? _c : config2.literal,
      regexp: (_d = fallback === null || fallback === void 0 ? void 0 : fallback.regexp) !== null && _d !== void 0 ? _d : config2.regexp,
      wholeWord: (_e = fallback === null || fallback === void 0 ? void 0 : fallback.wholeWord) !== null && _e !== void 0 ? _e : config2.wholeWord
    });
  }
  function getSearchInput(view) {
    let panel = getPanel(view, createSearchPanel);
    return panel && panel.dom.querySelector("[main-field]");
  }
  function selectSearchInput(view) {
    let input = getSearchInput(view);
    if (input && input == view.root.activeElement)
      input.select();
  }
  var openSearchPanel = (view) => {
    let state = view.state.field(searchState, false);
    if (state && state.panel) {
      let searchInput = getSearchInput(view);
      if (searchInput && searchInput != view.root.activeElement) {
        let query = defaultQuery(view.state, state.query.spec);
        if (query.valid)
          view.dispatch({ effects: setSearchQuery.of(query) });
        searchInput.focus();
        searchInput.select();
      }
    } else {
      view.dispatch({ effects: [
        togglePanel.of(true),
        state ? setSearchQuery.of(defaultQuery(view.state, state.query.spec)) : StateEffect.appendConfig.of(searchExtensions)
      ] });
    }
    return true;
  };
  var closeSearchPanel = (view) => {
    let state = view.state.field(searchState, false);
    if (!state || !state.panel)
      return false;
    let panel = getPanel(view, createSearchPanel);
    if (panel && panel.dom.contains(view.root.activeElement))
      view.focus();
    view.dispatch({ effects: togglePanel.of(false) });
    return true;
  };
  var searchKeymap = [
    { key: "Mod-f", run: openSearchPanel, scope: "editor search-panel" },
    { key: "F3", run: findNext, shift: findPrevious, scope: "editor search-panel", preventDefault: true },
    { key: "Mod-g", run: findNext, shift: findPrevious, scope: "editor search-panel", preventDefault: true },
    { key: "Escape", run: closeSearchPanel, scope: "editor search-panel" },
    { key: "Mod-Shift-l", run: selectSelectionMatches },
    { key: "Mod-Alt-g", run: gotoLine },
    { key: "Mod-d", run: selectNextOccurrence, preventDefault: true }
  ];
  var SearchPanel = class {
    constructor(view) {
      this.view = view;
      let query = this.query = view.state.field(searchState).query.spec;
      this.commit = this.commit.bind(this);
      this.searchField = crelt("input", {
        value: query.search,
        placeholder: phrase(view, "Find"),
        "aria-label": phrase(view, "Find"),
        class: "cm-textfield",
        name: "search",
        form: "",
        "main-field": "true",
        onchange: this.commit,
        onkeyup: this.commit
      });
      this.replaceField = crelt("input", {
        value: query.replace,
        placeholder: phrase(view, "Replace"),
        "aria-label": phrase(view, "Replace"),
        class: "cm-textfield",
        name: "replace",
        form: "",
        onchange: this.commit,
        onkeyup: this.commit
      });
      this.caseField = crelt("input", {
        type: "checkbox",
        name: "case",
        form: "",
        checked: query.caseSensitive,
        onchange: this.commit
      });
      this.reField = crelt("input", {
        type: "checkbox",
        name: "re",
        form: "",
        checked: query.regexp,
        onchange: this.commit
      });
      this.wordField = crelt("input", {
        type: "checkbox",
        name: "word",
        form: "",
        checked: query.wholeWord,
        onchange: this.commit
      });
      function button(name2, onclick, content2) {
        return crelt("button", { class: "cm-button", name: name2, onclick, type: "button" }, content2);
      }
      this.dom = crelt("div", { onkeydown: (e) => this.keydown(e), class: "cm-search" }, [
        this.searchField,
        button("next", () => findNext(view), [phrase(view, "next")]),
        button("prev", () => findPrevious(view), [phrase(view, "previous")]),
        button("select", () => selectMatches(view), [phrase(view, "all")]),
        crelt("label", null, [this.caseField, phrase(view, "match case")]),
        crelt("label", null, [this.reField, phrase(view, "regexp")]),
        crelt("label", null, [this.wordField, phrase(view, "by word")]),
        ...view.state.readOnly ? [] : [
          crelt("br"),
          this.replaceField,
          button("replace", () => replaceNext(view), [phrase(view, "replace")]),
          button("replaceAll", () => replaceAll(view), [phrase(view, "replace all")])
        ],
        crelt("button", {
          name: "close",
          onclick: () => closeSearchPanel(view),
          "aria-label": phrase(view, "close"),
          type: "button"
        }, ["\xD7"])
      ]);
    }
    commit() {
      let query = new SearchQuery({
        search: this.searchField.value,
        caseSensitive: this.caseField.checked,
        regexp: this.reField.checked,
        wholeWord: this.wordField.checked,
        replace: this.replaceField.value
      });
      if (!query.eq(this.query)) {
        this.query = query;
        this.view.dispatch({ effects: setSearchQuery.of(query) });
      }
    }
    keydown(e) {
      if (runScopeHandlers(this.view, e, "search-panel")) {
        e.preventDefault();
      } else if (e.keyCode == 13 && e.target == this.searchField) {
        e.preventDefault();
        (e.shiftKey ? findPrevious : findNext)(this.view);
      } else if (e.keyCode == 13 && e.target == this.replaceField) {
        e.preventDefault();
        replaceNext(this.view);
      }
    }
    update(update) {
      for (let tr of update.transactions)
        for (let effect of tr.effects) {
          if (effect.is(setSearchQuery) && !effect.value.eq(this.query))
            this.setQuery(effect.value);
        }
    }
    setQuery(query) {
      this.query = query;
      this.searchField.value = query.search;
      this.replaceField.value = query.replace;
      this.caseField.checked = query.caseSensitive;
      this.reField.checked = query.regexp;
      this.wordField.checked = query.wholeWord;
    }
    mount() {
      this.searchField.select();
    }
    get pos() {
      return 80;
    }
    get top() {
      return this.view.state.facet(searchConfigFacet).top;
    }
  };
  function phrase(view, phrase2) {
    return view.state.phrase(phrase2);
  }
  var AnnounceMargin = 30;
  var Break = /[\s\.,:;?!]/;
  function announceMatch(view, { from, to }) {
    let line = view.state.doc.lineAt(from), lineEnd2 = view.state.doc.lineAt(to).to;
    let start = Math.max(line.from, from - AnnounceMargin), end = Math.min(lineEnd2, to + AnnounceMargin);
    let text = view.state.sliceDoc(start, end);
    if (start != line.from) {
      for (let i = 0; i < AnnounceMargin; i++)
        if (!Break.test(text[i + 1]) && Break.test(text[i])) {
          text = text.slice(i);
          break;
        }
    }
    if (end != lineEnd2) {
      for (let i = text.length - 1; i > text.length - AnnounceMargin; i--)
        if (!Break.test(text[i - 1]) && Break.test(text[i])) {
          text = text.slice(0, i);
          break;
        }
    }
    return EditorView.announce.of(`${view.state.phrase("current match")}. ${text} ${view.state.phrase("on line")} ${line.number}.`);
  }
  var baseTheme3 = /* @__PURE__ */ EditorView.baseTheme({
    ".cm-panel.cm-search": {
      padding: "2px 6px 4px",
      position: "relative",
      "& [name=close]": {
        position: "absolute",
        top: "0",
        right: "4px",
        backgroundColor: "inherit",
        border: "none",
        font: "inherit",
        padding: 0,
        margin: 0
      },
      "& input, & button, & label": {
        margin: ".2em .6em .2em 0"
      },
      "& input[type=checkbox]": {
        marginRight: ".2em"
      },
      "& label": {
        fontSize: "80%",
        whiteSpace: "pre"
      }
    },
    "&light .cm-searchMatch": { backgroundColor: "#ffff0054" },
    "&dark .cm-searchMatch": { backgroundColor: "#00ffff8a" },
    "&light .cm-searchMatch-selected": { backgroundColor: "#ff6a0054" },
    "&dark .cm-searchMatch-selected": { backgroundColor: "#ff00ff8a" }
  });
  var searchExtensions = [
    searchState,
    /* @__PURE__ */ Prec.low(searchHighlighter),
    baseTheme3
  ];

  // node_modules/@codemirror/autocomplete/dist/index.js
  var CompletionContext = class {
    /**
    Create a new completion context. (Mostly useful for testing
    completion sources—in the editor, the extension will create
    these for you.)
    */
    constructor(state, pos, explicit) {
      this.state = state;
      this.pos = pos;
      this.explicit = explicit;
      this.abortListeners = [];
    }
    /**
    Get the extent, content, and (if there is a token) type of the
    token before `this.pos`.
    */
    tokenBefore(types2) {
      let token = syntaxTree(this.state).resolveInner(this.pos, -1);
      while (token && types2.indexOf(token.name) < 0)
        token = token.parent;
      return token ? {
        from: token.from,
        to: this.pos,
        text: this.state.sliceDoc(token.from, this.pos),
        type: token.type
      } : null;
    }
    /**
    Get the match of the given expression directly before the
    cursor.
    */
    matchBefore(expr) {
      let line = this.state.doc.lineAt(this.pos);
      let start = Math.max(line.from, this.pos - 250);
      let str = line.text.slice(start - line.from, this.pos - line.from);
      let found = str.search(ensureAnchor(expr, false));
      return found < 0 ? null : { from: start + found, to: this.pos, text: str.slice(found) };
    }
    /**
    Yields true when the query has been aborted. Can be useful in
    asynchronous queries to avoid doing work that will be ignored.
    */
    get aborted() {
      return this.abortListeners == null;
    }
    /**
    Allows you to register abort handlers, which will be called when
    the query is
    [aborted](https://codemirror.net/6/docs/ref/#autocomplete.CompletionContext.aborted).
    */
    addEventListener(type, listener) {
      if (type == "abort" && this.abortListeners)
        this.abortListeners.push(listener);
    }
  };
  function toSet(chars) {
    let flat = Object.keys(chars).join("");
    let words = /\w/.test(flat);
    if (words)
      flat = flat.replace(/\w/g, "");
    return `[${words ? "\\w" : ""}${flat.replace(/[^\w\s]/g, "\\$&")}]`;
  }
  function prefixMatch(options) {
    let first = /* @__PURE__ */ Object.create(null), rest = /* @__PURE__ */ Object.create(null);
    for (let { label } of options) {
      first[label[0]] = true;
      for (let i = 1; i < label.length; i++)
        rest[label[i]] = true;
    }
    let source = toSet(first) + toSet(rest) + "*$";
    return [new RegExp("^" + source), new RegExp(source)];
  }
  function completeFromList(list) {
    let options = list.map((o) => typeof o == "string" ? { label: o } : o);
    let [validFor, match] = options.every((o) => /^\w+$/.test(o.label)) ? [/\w*$/, /\w+$/] : prefixMatch(options);
    return (context) => {
      let token = context.matchBefore(match);
      return token || context.explicit ? { from: token ? token.from : context.pos, options, validFor } : null;
    };
  }
  function ifNotIn(nodes, source) {
    return (context) => {
      for (let pos = syntaxTree(context.state).resolveInner(context.pos, -1); pos; pos = pos.parent) {
        if (nodes.indexOf(pos.name) > -1)
          return null;
        if (pos.type.isTop)
          break;
      }
      return source(context);
    };
  }
  var Option = class {
    constructor(completion, source, match, score2) {
      this.completion = completion;
      this.source = source;
      this.match = match;
      this.score = score2;
    }
  };
  function cur(state) {
    return state.selection.main.from;
  }
  function ensureAnchor(expr, start) {
    var _a2;
    let { source } = expr;
    let addStart = start && source[0] != "^", addEnd = source[source.length - 1] != "$";
    if (!addStart && !addEnd)
      return expr;
    return new RegExp(`${addStart ? "^" : ""}(?:${source})${addEnd ? "$" : ""}`, (_a2 = expr.flags) !== null && _a2 !== void 0 ? _a2 : expr.ignoreCase ? "i" : "");
  }
  var pickedCompletion = /* @__PURE__ */ Annotation.define();
  function insertCompletionText(state, text, from, to) {
    let { main } = state.selection, fromOff = from - main.from, toOff = to - main.from;
    return Object.assign(Object.assign({}, state.changeByRange((range) => {
      if (range != main && from != to && state.sliceDoc(range.from + fromOff, range.from + toOff) != state.sliceDoc(from, to))
        return { range };
      return {
        changes: { from: range.from + fromOff, to: to == main.from ? range.to : range.from + toOff, insert: text },
        range: EditorSelection.cursor(range.from + fromOff + text.length)
      };
    })), { scrollIntoView: true, userEvent: "input.complete" });
  }
  var SourceCache = /* @__PURE__ */ new WeakMap();
  function asSource(source) {
    if (!Array.isArray(source))
      return source;
    let known = SourceCache.get(source);
    if (!known)
      SourceCache.set(source, known = completeFromList(source));
    return known;
  }
  var startCompletionEffect = /* @__PURE__ */ StateEffect.define();
  var closeCompletionEffect = /* @__PURE__ */ StateEffect.define();
  var FuzzyMatcher = class {
    constructor(pattern) {
      this.pattern = pattern;
      this.chars = [];
      this.folded = [];
      this.any = [];
      this.precise = [];
      this.byWord = [];
      this.score = 0;
      this.matched = [];
      for (let p = 0; p < pattern.length; ) {
        let char = codePointAt(pattern, p), size = codePointSize(char);
        this.chars.push(char);
        let part = pattern.slice(p, p + size), upper = part.toUpperCase();
        this.folded.push(codePointAt(upper == part ? part.toLowerCase() : upper, 0));
        p += size;
      }
      this.astral = pattern.length != this.chars.length;
    }
    ret(score2, matched) {
      this.score = score2;
      this.matched = matched;
      return this;
    }
    // Matches a given word (completion) against the pattern (input).
    // Will return a boolean indicating whether there was a match and,
    // on success, set `this.score` to the score, `this.matched` to an
    // array of `from, to` pairs indicating the matched parts of `word`.
    //
    // The score is a number that is more negative the worse the match
    // is. See `Penalty` above.
    match(word) {
      if (this.pattern.length == 0)
        return this.ret(-100, []);
      if (word.length < this.pattern.length)
        return null;
      let { chars, folded, any, precise, byWord } = this;
      if (chars.length == 1) {
        let first = codePointAt(word, 0), firstSize = codePointSize(first);
        let score2 = firstSize == word.length ? 0 : -100;
        if (first == chars[0]) ;
        else if (first == folded[0])
          score2 += -200;
        else
          return null;
        return this.ret(score2, [0, firstSize]);
      }
      let direct = word.indexOf(this.pattern);
      if (direct == 0)
        return this.ret(word.length == this.pattern.length ? 0 : -100, [0, this.pattern.length]);
      let len = chars.length, anyTo = 0;
      if (direct < 0) {
        for (let i = 0, e = Math.min(word.length, 200); i < e && anyTo < len; ) {
          let next = codePointAt(word, i);
          if (next == chars[anyTo] || next == folded[anyTo])
            any[anyTo++] = i;
          i += codePointSize(next);
        }
        if (anyTo < len)
          return null;
      }
      let preciseTo = 0;
      let byWordTo = 0, byWordFolded = false;
      let adjacentTo = 0, adjacentStart = -1, adjacentEnd = -1;
      let hasLower = /[a-z]/.test(word), wordAdjacent = true;
      for (let i = 0, e = Math.min(word.length, 200), prevType = 0; i < e && byWordTo < len; ) {
        let next = codePointAt(word, i);
        if (direct < 0) {
          if (preciseTo < len && next == chars[preciseTo])
            precise[preciseTo++] = i;
          if (adjacentTo < len) {
            if (next == chars[adjacentTo] || next == folded[adjacentTo]) {
              if (adjacentTo == 0)
                adjacentStart = i;
              adjacentEnd = i + 1;
              adjacentTo++;
            } else {
              adjacentTo = 0;
            }
          }
        }
        let ch, type = next < 255 ? next >= 48 && next <= 57 || next >= 97 && next <= 122 ? 2 : next >= 65 && next <= 90 ? 1 : 0 : (ch = fromCodePoint(next)) != ch.toLowerCase() ? 1 : ch != ch.toUpperCase() ? 2 : 0;
        if (!i || type == 1 && hasLower || prevType == 0 && type != 0) {
          if (chars[byWordTo] == next || folded[byWordTo] == next && (byWordFolded = true))
            byWord[byWordTo++] = i;
          else if (byWord.length)
            wordAdjacent = false;
        }
        prevType = type;
        i += codePointSize(next);
      }
      if (byWordTo == len && byWord[0] == 0 && wordAdjacent)
        return this.result(-100 + (byWordFolded ? -200 : 0), byWord, word);
      if (adjacentTo == len && adjacentStart == 0)
        return this.ret(-200 - word.length + (adjacentEnd == word.length ? 0 : -100), [0, adjacentEnd]);
      if (direct > -1)
        return this.ret(-700 - word.length, [direct, direct + this.pattern.length]);
      if (adjacentTo == len)
        return this.ret(-200 + -700 - word.length, [adjacentStart, adjacentEnd]);
      if (byWordTo == len)
        return this.result(-100 + (byWordFolded ? -200 : 0) + -700 + (wordAdjacent ? 0 : -1100), byWord, word);
      return chars.length == 2 ? null : this.result((any[0] ? -700 : 0) + -200 + -1100, any, word);
    }
    result(score2, positions, word) {
      let result = [], i = 0;
      for (let pos of positions) {
        let to = pos + (this.astral ? codePointSize(codePointAt(word, pos)) : 1);
        if (i && result[i - 1] == pos)
          result[i - 1] = to;
        else {
          result[i++] = pos;
          result[i++] = to;
        }
      }
      return this.ret(score2 - word.length, result);
    }
  };
  var StrictMatcher = class {
    constructor(pattern) {
      this.pattern = pattern;
      this.matched = [];
      this.score = 0;
      this.folded = pattern.toLowerCase();
    }
    match(word) {
      if (word.length < this.pattern.length)
        return null;
      let start = word.slice(0, this.pattern.length);
      let match = start == this.pattern ? 0 : start.toLowerCase() == this.folded ? -200 : null;
      if (match == null)
        return null;
      this.matched = [0, start.length];
      this.score = match + (word.length == this.pattern.length ? 0 : -100);
      return this;
    }
  };
  var completionConfig = /* @__PURE__ */ Facet.define({
    combine(configs) {
      return combineConfig(configs, {
        activateOnTyping: true,
        activateOnCompletion: () => false,
        activateOnTypingDelay: 100,
        selectOnOpen: true,
        override: null,
        closeOnBlur: true,
        maxRenderedOptions: 100,
        defaultKeymap: true,
        tooltipClass: () => "",
        optionClass: () => "",
        aboveCursor: false,
        icons: true,
        addToOptions: [],
        positionInfo: defaultPositionInfo,
        filterStrict: false,
        compareCompletions: (a, b) => a.label.localeCompare(b.label),
        interactionDelay: 75,
        updateSyncTime: 100
      }, {
        defaultKeymap: (a, b) => a && b,
        closeOnBlur: (a, b) => a && b,
        icons: (a, b) => a && b,
        tooltipClass: (a, b) => (c) => joinClass(a(c), b(c)),
        optionClass: (a, b) => (c) => joinClass(a(c), b(c)),
        addToOptions: (a, b) => a.concat(b),
        filterStrict: (a, b) => a || b
      });
    }
  });
  function joinClass(a, b) {
    return a ? b ? a + " " + b : a : b;
  }
  function defaultPositionInfo(view, list, option, info, space4, tooltip) {
    let rtl = view.textDirection == Direction.RTL, left = rtl, narrow = false;
    let side = "top", offset, maxWidth;
    let spaceLeft = list.left - space4.left, spaceRight = space4.right - list.right;
    let infoWidth = info.right - info.left, infoHeight = info.bottom - info.top;
    if (left && spaceLeft < Math.min(infoWidth, spaceRight))
      left = false;
    else if (!left && spaceRight < Math.min(infoWidth, spaceLeft))
      left = true;
    if (infoWidth <= (left ? spaceLeft : spaceRight)) {
      offset = Math.max(space4.top, Math.min(option.top, space4.bottom - infoHeight)) - list.top;
      maxWidth = Math.min(400, left ? spaceLeft : spaceRight);
    } else {
      narrow = true;
      maxWidth = Math.min(
        400,
        (rtl ? list.right : space4.right - list.left) - 30
        /* Info.Margin */
      );
      let spaceBelow = space4.bottom - list.bottom;
      if (spaceBelow >= infoHeight || spaceBelow > list.top) {
        offset = option.bottom - list.top;
      } else {
        side = "bottom";
        offset = list.bottom - option.top;
      }
    }
    let scaleY = (list.bottom - list.top) / tooltip.offsetHeight;
    let scaleX = (list.right - list.left) / tooltip.offsetWidth;
    return {
      style: `${side}: ${offset / scaleY}px; max-width: ${maxWidth / scaleX}px`,
      class: "cm-completionInfo-" + (narrow ? rtl ? "left-narrow" : "right-narrow" : left ? "left" : "right")
    };
  }
  function optionContent(config2) {
    let content2 = config2.addToOptions.slice();
    if (config2.icons)
      content2.push({
        render(completion) {
          let icon = document.createElement("div");
          icon.classList.add("cm-completionIcon");
          if (completion.type)
            icon.classList.add(...completion.type.split(/\s+/g).map((cls) => "cm-completionIcon-" + cls));
          icon.setAttribute("aria-hidden", "true");
          return icon;
        },
        position: 20
      });
    content2.push({
      render(completion, _s, _v, match) {
        let labelElt = document.createElement("span");
        labelElt.className = "cm-completionLabel";
        let label = completion.displayLabel || completion.label, off = 0;
        for (let j = 0; j < match.length; ) {
          let from = match[j++], to = match[j++];
          if (from > off)
            labelElt.appendChild(document.createTextNode(label.slice(off, from)));
          let span = labelElt.appendChild(document.createElement("span"));
          span.appendChild(document.createTextNode(label.slice(from, to)));
          span.className = "cm-completionMatchedText";
          off = to;
        }
        if (off < label.length)
          labelElt.appendChild(document.createTextNode(label.slice(off)));
        return labelElt;
      },
      position: 50
    }, {
      render(completion) {
        if (!completion.detail)
          return null;
        let detailElt = document.createElement("span");
        detailElt.className = "cm-completionDetail";
        detailElt.textContent = completion.detail;
        return detailElt;
      },
      position: 80
    });
    return content2.sort((a, b) => a.position - b.position).map((a) => a.render);
  }
  function rangeAroundSelected(total, selected, max) {
    if (total <= max)
      return { from: 0, to: total };
    if (selected < 0)
      selected = 0;
    if (selected <= total >> 1) {
      let off2 = Math.floor(selected / max);
      return { from: off2 * max, to: (off2 + 1) * max };
    }
    let off = Math.floor((total - selected) / max);
    return { from: total - (off + 1) * max, to: total - off * max };
  }
  var CompletionTooltip = class {
    constructor(view, stateField, applyCompletion2) {
      this.view = view;
      this.stateField = stateField;
      this.applyCompletion = applyCompletion2;
      this.info = null;
      this.infoDestroy = null;
      this.placeInfoReq = {
        read: () => this.measureInfo(),
        write: (pos) => this.placeInfo(pos),
        key: this
      };
      this.space = null;
      this.currentClass = "";
      let cState = view.state.field(stateField);
      let { options, selected } = cState.open;
      let config2 = view.state.facet(completionConfig);
      this.optionContent = optionContent(config2);
      this.optionClass = config2.optionClass;
      this.tooltipClass = config2.tooltipClass;
      this.range = rangeAroundSelected(options.length, selected, config2.maxRenderedOptions);
      this.dom = document.createElement("div");
      this.dom.className = "cm-tooltip-autocomplete";
      this.updateTooltipClass(view.state);
      this.dom.addEventListener("mousedown", (e) => {
        let { options: options2 } = view.state.field(stateField).open;
        for (let dom = e.target, match; dom && dom != this.dom; dom = dom.parentNode) {
          if (dom.nodeName == "LI" && (match = /-(\d+)$/.exec(dom.id)) && +match[1] < options2.length) {
            this.applyCompletion(view, options2[+match[1]]);
            e.preventDefault();
            return;
          }
        }
      });
      this.dom.addEventListener("focusout", (e) => {
        let state = view.state.field(this.stateField, false);
        if (state && state.tooltip && view.state.facet(completionConfig).closeOnBlur && e.relatedTarget != view.contentDOM)
          view.dispatch({ effects: closeCompletionEffect.of(null) });
      });
      this.showOptions(options, cState.id);
    }
    mount() {
      this.updateSel();
    }
    showOptions(options, id2) {
      if (this.list)
        this.list.remove();
      this.list = this.dom.appendChild(this.createListBox(options, id2, this.range));
      this.list.addEventListener("scroll", () => {
        if (this.info)
          this.view.requestMeasure(this.placeInfoReq);
      });
    }
    update(update) {
      var _a2;
      let cState = update.state.field(this.stateField);
      let prevState = update.startState.field(this.stateField);
      this.updateTooltipClass(update.state);
      if (cState != prevState) {
        let { options, selected, disabled } = cState.open;
        if (!prevState.open || prevState.open.options != options) {
          this.range = rangeAroundSelected(options.length, selected, update.state.facet(completionConfig).maxRenderedOptions);
          this.showOptions(options, cState.id);
        }
        this.updateSel();
        if (disabled != ((_a2 = prevState.open) === null || _a2 === void 0 ? void 0 : _a2.disabled))
          this.dom.classList.toggle("cm-tooltip-autocomplete-disabled", !!disabled);
      }
    }
    updateTooltipClass(state) {
      let cls = this.tooltipClass(state);
      if (cls != this.currentClass) {
        for (let c of this.currentClass.split(" "))
          if (c)
            this.dom.classList.remove(c);
        for (let c of cls.split(" "))
          if (c)
            this.dom.classList.add(c);
        this.currentClass = cls;
      }
    }
    positioned(space4) {
      this.space = space4;
      if (this.info)
        this.view.requestMeasure(this.placeInfoReq);
    }
    updateSel() {
      let cState = this.view.state.field(this.stateField), open = cState.open;
      if (open.selected > -1 && open.selected < this.range.from || open.selected >= this.range.to) {
        this.range = rangeAroundSelected(open.options.length, open.selected, this.view.state.facet(completionConfig).maxRenderedOptions);
        this.showOptions(open.options, cState.id);
      }
      if (this.updateSelectedOption(open.selected)) {
        this.destroyInfo();
        let { completion } = open.options[open.selected];
        let { info } = completion;
        if (!info)
          return;
        let infoResult = typeof info === "string" ? document.createTextNode(info) : info(completion);
        if (!infoResult)
          return;
        if ("then" in infoResult) {
          infoResult.then((obj) => {
            if (obj && this.view.state.field(this.stateField, false) == cState)
              this.addInfoPane(obj, completion);
          }).catch((e) => logException(this.view.state, e, "completion info"));
        } else {
          this.addInfoPane(infoResult, completion);
        }
      }
    }
    addInfoPane(content2, completion) {
      this.destroyInfo();
      let wrap = this.info = document.createElement("div");
      wrap.className = "cm-tooltip cm-completionInfo";
      if (content2.nodeType != null) {
        wrap.appendChild(content2);
        this.infoDestroy = null;
      } else {
        let { dom, destroy } = content2;
        wrap.appendChild(dom);
        this.infoDestroy = destroy || null;
      }
      this.dom.appendChild(wrap);
      this.view.requestMeasure(this.placeInfoReq);
    }
    updateSelectedOption(selected) {
      let set = null;
      for (let opt = this.list.firstChild, i = this.range.from; opt; opt = opt.nextSibling, i++) {
        if (opt.nodeName != "LI" || !opt.id) {
          i--;
        } else if (i == selected) {
          if (!opt.hasAttribute("aria-selected")) {
            opt.setAttribute("aria-selected", "true");
            set = opt;
          }
        } else {
          if (opt.hasAttribute("aria-selected"))
            opt.removeAttribute("aria-selected");
        }
      }
      if (set)
        scrollIntoView2(this.list, set);
      return set;
    }
    measureInfo() {
      let sel = this.dom.querySelector("[aria-selected]");
      if (!sel || !this.info)
        return null;
      let listRect = this.dom.getBoundingClientRect();
      let infoRect = this.info.getBoundingClientRect();
      let selRect = sel.getBoundingClientRect();
      let space4 = this.space;
      if (!space4) {
        let win = this.dom.ownerDocument.defaultView || window;
        space4 = { left: 0, top: 0, right: win.innerWidth, bottom: win.innerHeight };
      }
      if (selRect.top > Math.min(space4.bottom, listRect.bottom) - 10 || selRect.bottom < Math.max(space4.top, listRect.top) + 10)
        return null;
      return this.view.state.facet(completionConfig).positionInfo(this.view, listRect, selRect, infoRect, space4, this.dom);
    }
    placeInfo(pos) {
      if (this.info) {
        if (pos) {
          if (pos.style)
            this.info.style.cssText = pos.style;
          this.info.className = "cm-tooltip cm-completionInfo " + (pos.class || "");
        } else {
          this.info.style.cssText = "top: -1e6px";
        }
      }
    }
    createListBox(options, id2, range) {
      const ul = document.createElement("ul");
      ul.id = id2;
      ul.setAttribute("role", "listbox");
      ul.setAttribute("aria-expanded", "true");
      ul.setAttribute("aria-label", this.view.state.phrase("Completions"));
      let curSection = null;
      for (let i = range.from; i < range.to; i++) {
        let { completion, match } = options[i], { section } = completion;
        if (section) {
          let name2 = typeof section == "string" ? section : section.name;
          if (name2 != curSection && (i > range.from || range.from == 0)) {
            curSection = name2;
            if (typeof section != "string" && section.header) {
              ul.appendChild(section.header(section));
            } else {
              let header = ul.appendChild(document.createElement("completion-section"));
              header.textContent = name2;
            }
          }
        }
        const li = ul.appendChild(document.createElement("li"));
        li.id = id2 + "-" + i;
        li.setAttribute("role", "option");
        let cls = this.optionClass(completion);
        if (cls)
          li.className = cls;
        for (let source of this.optionContent) {
          let node = source(completion, this.view.state, this.view, match);
          if (node)
            li.appendChild(node);
        }
      }
      if (range.from)
        ul.classList.add("cm-completionListIncompleteTop");
      if (range.to < options.length)
        ul.classList.add("cm-completionListIncompleteBottom");
      return ul;
    }
    destroyInfo() {
      if (this.info) {
        if (this.infoDestroy)
          this.infoDestroy();
        this.info.remove();
        this.info = null;
      }
    }
    destroy() {
      this.destroyInfo();
    }
  };
  function completionTooltip(stateField, applyCompletion2) {
    return (view) => new CompletionTooltip(view, stateField, applyCompletion2);
  }
  function scrollIntoView2(container, element) {
    let parent = container.getBoundingClientRect();
    let self = element.getBoundingClientRect();
    let scaleY = parent.height / container.offsetHeight;
    if (self.top < parent.top)
      container.scrollTop -= (parent.top - self.top) / scaleY;
    else if (self.bottom > parent.bottom)
      container.scrollTop += (self.bottom - parent.bottom) / scaleY;
  }
  function score(option) {
    return (option.boost || 0) * 100 + (option.apply ? 10 : 0) + (option.info ? 5 : 0) + (option.type ? 1 : 0);
  }
  function sortOptions(active, state) {
    let options = [];
    let sections = null;
    let addOption = (option) => {
      options.push(option);
      let { section } = option.completion;
      if (section) {
        if (!sections)
          sections = [];
        let name2 = typeof section == "string" ? section : section.name;
        if (!sections.some((s) => s.name == name2))
          sections.push(typeof section == "string" ? { name: name2 } : section);
      }
    };
    let conf = state.facet(completionConfig);
    for (let a of active)
      if (a.hasResult()) {
        let getMatch = a.result.getMatch;
        if (a.result.filter === false) {
          for (let option of a.result.options) {
            addOption(new Option(option, a.source, getMatch ? getMatch(option) : [], 1e9 - options.length));
          }
        } else {
          let pattern = state.sliceDoc(a.from, a.to), match;
          let matcher = conf.filterStrict ? new StrictMatcher(pattern) : new FuzzyMatcher(pattern);
          for (let option of a.result.options)
            if (match = matcher.match(option.label)) {
              let matched = !option.displayLabel ? match.matched : getMatch ? getMatch(option, match.matched) : [];
              addOption(new Option(option, a.source, matched, match.score + (option.boost || 0)));
            }
        }
      }
    if (sections) {
      let sectionOrder = /* @__PURE__ */ Object.create(null), pos = 0;
      let cmp = (a, b) => {
        var _a2, _b;
        return ((_a2 = a.rank) !== null && _a2 !== void 0 ? _a2 : 1e9) - ((_b = b.rank) !== null && _b !== void 0 ? _b : 1e9) || (a.name < b.name ? -1 : 1);
      };
      for (let s of sections.sort(cmp)) {
        pos -= 1e5;
        sectionOrder[s.name] = pos;
      }
      for (let option of options) {
        let { section } = option.completion;
        if (section)
          option.score += sectionOrder[typeof section == "string" ? section : section.name];
      }
    }
    let result = [], prev = null;
    let compare2 = conf.compareCompletions;
    for (let opt of options.sort((a, b) => b.score - a.score || compare2(a.completion, b.completion))) {
      let cur2 = opt.completion;
      if (!prev || prev.label != cur2.label || prev.detail != cur2.detail || prev.type != null && cur2.type != null && prev.type != cur2.type || prev.apply != cur2.apply || prev.boost != cur2.boost)
        result.push(opt);
      else if (score(opt.completion) > score(prev))
        result[result.length - 1] = opt;
      prev = opt.completion;
    }
    return result;
  }
  var CompletionDialog = class _CompletionDialog {
    constructor(options, attrs, tooltip, timestamp, selected, disabled) {
      this.options = options;
      this.attrs = attrs;
      this.tooltip = tooltip;
      this.timestamp = timestamp;
      this.selected = selected;
      this.disabled = disabled;
    }
    setSelected(selected, id2) {
      return selected == this.selected || selected >= this.options.length ? this : new _CompletionDialog(this.options, makeAttrs(id2, selected), this.tooltip, this.timestamp, selected, this.disabled);
    }
    static build(active, state, id2, prev, conf) {
      let options = sortOptions(active, state);
      if (!options.length) {
        return prev && active.some(
          (a) => a.state == 1
          /* State.Pending */
        ) ? new _CompletionDialog(prev.options, prev.attrs, prev.tooltip, prev.timestamp, prev.selected, true) : null;
      }
      let selected = state.facet(completionConfig).selectOnOpen ? 0 : -1;
      if (prev && prev.selected != selected && prev.selected != -1) {
        let selectedValue = prev.options[prev.selected].completion;
        for (let i = 0; i < options.length; i++)
          if (options[i].completion == selectedValue) {
            selected = i;
            break;
          }
      }
      return new _CompletionDialog(options, makeAttrs(id2, selected), {
        pos: active.reduce((a, b) => b.hasResult() ? Math.min(a, b.from) : a, 1e8),
        create: createTooltip,
        above: conf.aboveCursor
      }, prev ? prev.timestamp : Date.now(), selected, false);
    }
    map(changes) {
      return new _CompletionDialog(this.options, this.attrs, Object.assign(Object.assign({}, this.tooltip), { pos: changes.mapPos(this.tooltip.pos) }), this.timestamp, this.selected, this.disabled);
    }
  };
  var CompletionState = class _CompletionState {
    constructor(active, id2, open) {
      this.active = active;
      this.id = id2;
      this.open = open;
    }
    static start() {
      return new _CompletionState(none3, "cm-ac-" + Math.floor(Math.random() * 2e6).toString(36), null);
    }
    update(tr) {
      let { state } = tr, conf = state.facet(completionConfig);
      let sources = conf.override || state.languageDataAt("autocomplete", cur(state)).map(asSource);
      let active = sources.map((source) => {
        let value = this.active.find((s) => s.source == source) || new ActiveSource(
          source,
          this.active.some(
            (a) => a.state != 0
            /* State.Inactive */
          ) ? 1 : 0
          /* State.Inactive */
        );
        return value.update(tr, conf);
      });
      if (active.length == this.active.length && active.every((a, i) => a == this.active[i]))
        active = this.active;
      let open = this.open;
      if (open && tr.docChanged)
        open = open.map(tr.changes);
      if (tr.selection || active.some((a) => a.hasResult() && tr.changes.touchesRange(a.from, a.to)) || !sameResults(active, this.active))
        open = CompletionDialog.build(active, state, this.id, open, conf);
      else if (open && open.disabled && !active.some(
        (a) => a.state == 1
        /* State.Pending */
      ))
        open = null;
      if (!open && active.every(
        (a) => a.state != 1
        /* State.Pending */
      ) && active.some((a) => a.hasResult()))
        active = active.map((a) => a.hasResult() ? new ActiveSource(
          a.source,
          0
          /* State.Inactive */
        ) : a);
      for (let effect of tr.effects)
        if (effect.is(setSelectedEffect))
          open = open && open.setSelected(effect.value, this.id);
      return active == this.active && open == this.open ? this : new _CompletionState(active, this.id, open);
    }
    get tooltip() {
      return this.open ? this.open.tooltip : null;
    }
    get attrs() {
      return this.open ? this.open.attrs : baseAttrs;
    }
  };
  function sameResults(a, b) {
    if (a == b)
      return true;
    for (let iA = 0, iB = 0; ; ) {
      while (iA < a.length && !a[iA].hasResult)
        iA++;
      while (iB < b.length && !b[iB].hasResult)
        iB++;
      let endA = iA == a.length, endB = iB == b.length;
      if (endA || endB)
        return endA == endB;
      if (a[iA++].result != b[iB++].result)
        return false;
    }
  }
  var baseAttrs = {
    "aria-autocomplete": "list"
  };
  function makeAttrs(id2, selected) {
    let result = {
      "aria-autocomplete": "list",
      "aria-haspopup": "listbox",
      "aria-controls": id2
    };
    if (selected > -1)
      result["aria-activedescendant"] = id2 + "-" + selected;
    return result;
  }
  var none3 = [];
  function getUserEvent(tr, conf) {
    if (tr.isUserEvent("input.complete")) {
      let completion = tr.annotation(pickedCompletion);
      if (completion && conf.activateOnCompletion(completion))
        return "input";
    }
    return tr.isUserEvent("input.type") ? "input" : tr.isUserEvent("delete.backward") ? "delete" : null;
  }
  var ActiveSource = class _ActiveSource {
    constructor(source, state, explicitPos = -1) {
      this.source = source;
      this.state = state;
      this.explicitPos = explicitPos;
    }
    hasResult() {
      return false;
    }
    update(tr, conf) {
      let event = getUserEvent(tr, conf), value = this;
      if (event)
        value = value.handleUserEvent(tr, event, conf);
      else if (tr.docChanged)
        value = value.handleChange(tr);
      else if (tr.selection && value.state != 0)
        value = new _ActiveSource(
          value.source,
          0
          /* State.Inactive */
        );
      for (let effect of tr.effects) {
        if (effect.is(startCompletionEffect))
          value = new _ActiveSource(value.source, 1, effect.value ? cur(tr.state) : -1);
        else if (effect.is(closeCompletionEffect))
          value = new _ActiveSource(
            value.source,
            0
            /* State.Inactive */
          );
        else if (effect.is(setActiveEffect)) {
          for (let active of effect.value)
            if (active.source == value.source)
              value = active;
        }
      }
      return value;
    }
    handleUserEvent(tr, type, conf) {
      return type == "delete" || !conf.activateOnTyping ? this.map(tr.changes) : new _ActiveSource(
        this.source,
        1
        /* State.Pending */
      );
    }
    handleChange(tr) {
      return tr.changes.touchesRange(cur(tr.startState)) ? new _ActiveSource(
        this.source,
        0
        /* State.Inactive */
      ) : this.map(tr.changes);
    }
    map(changes) {
      return changes.empty || this.explicitPos < 0 ? this : new _ActiveSource(this.source, this.state, changes.mapPos(this.explicitPos));
    }
  };
  var ActiveResult = class _ActiveResult extends ActiveSource {
    constructor(source, explicitPos, result, from, to) {
      super(source, 2, explicitPos);
      this.result = result;
      this.from = from;
      this.to = to;
    }
    hasResult() {
      return true;
    }
    handleUserEvent(tr, type, conf) {
      var _a2;
      let result = this.result;
      if (result.map && !tr.changes.empty)
        result = result.map(result, tr.changes);
      let from = tr.changes.mapPos(this.from), to = tr.changes.mapPos(this.to, 1);
      let pos = cur(tr.state);
      if ((this.explicitPos < 0 ? pos <= from : pos < this.from) || pos > to || !result || type == "delete" && cur(tr.startState) == this.from)
        return new ActiveSource(
          this.source,
          type == "input" && conf.activateOnTyping ? 1 : 0
          /* State.Inactive */
        );
      let explicitPos = this.explicitPos < 0 ? -1 : tr.changes.mapPos(this.explicitPos);
      if (checkValid(result.validFor, tr.state, from, to))
        return new _ActiveResult(this.source, explicitPos, result, from, to);
      if (result.update && (result = result.update(result, from, to, new CompletionContext(tr.state, pos, explicitPos >= 0))))
        return new _ActiveResult(this.source, explicitPos, result, result.from, (_a2 = result.to) !== null && _a2 !== void 0 ? _a2 : cur(tr.state));
      return new ActiveSource(this.source, 1, explicitPos);
    }
    handleChange(tr) {
      return tr.changes.touchesRange(this.from, this.to) ? new ActiveSource(
        this.source,
        0
        /* State.Inactive */
      ) : this.map(tr.changes);
    }
    map(mapping) {
      if (mapping.empty)
        return this;
      let result = this.result.map ? this.result.map(this.result, mapping) : this.result;
      if (!result)
        return new ActiveSource(
          this.source,
          0
          /* State.Inactive */
        );
      return new _ActiveResult(this.source, this.explicitPos < 0 ? -1 : mapping.mapPos(this.explicitPos), this.result, mapping.mapPos(this.from), mapping.mapPos(this.to, 1));
    }
  };
  function checkValid(validFor, state, from, to) {
    if (!validFor)
      return false;
    let text = state.sliceDoc(from, to);
    return typeof validFor == "function" ? validFor(text, from, to, state) : ensureAnchor(validFor, true).test(text);
  }
  var setActiveEffect = /* @__PURE__ */ StateEffect.define({
    map(sources, mapping) {
      return sources.map((s) => s.map(mapping));
    }
  });
  var setSelectedEffect = /* @__PURE__ */ StateEffect.define();
  var completionState = /* @__PURE__ */ StateField.define({
    create() {
      return CompletionState.start();
    },
    update(value, tr) {
      return value.update(tr);
    },
    provide: (f) => [
      showTooltip.from(f, (val) => val.tooltip),
      EditorView.contentAttributes.from(f, (state) => state.attrs)
    ]
  });
  function applyCompletion(view, option) {
    const apply = option.completion.apply || option.completion.label;
    let result = view.state.field(completionState).active.find((a) => a.source == option.source);
    if (!(result instanceof ActiveResult))
      return false;
    if (typeof apply == "string")
      view.dispatch(Object.assign(Object.assign({}, insertCompletionText(view.state, apply, result.from, result.to)), { annotations: pickedCompletion.of(option.completion) }));
    else
      apply(view, option.completion, result.from, result.to);
    return true;
  }
  var createTooltip = /* @__PURE__ */ completionTooltip(completionState, applyCompletion);
  function moveCompletionSelection(forward, by = "option") {
    return (view) => {
      let cState = view.state.field(completionState, false);
      if (!cState || !cState.open || cState.open.disabled || Date.now() - cState.open.timestamp < view.state.facet(completionConfig).interactionDelay)
        return false;
      let step = 1, tooltip;
      if (by == "page" && (tooltip = getTooltip(view, cState.open.tooltip)))
        step = Math.max(2, Math.floor(tooltip.dom.offsetHeight / tooltip.dom.querySelector("li").offsetHeight) - 1);
      let { length } = cState.open.options;
      let selected = cState.open.selected > -1 ? cState.open.selected + step * (forward ? 1 : -1) : forward ? 0 : length - 1;
      if (selected < 0)
        selected = by == "page" ? 0 : length - 1;
      else if (selected >= length)
        selected = by == "page" ? length - 1 : 0;
      view.dispatch({ effects: setSelectedEffect.of(selected) });
      return true;
    };
  }
  var acceptCompletion = (view) => {
    let cState = view.state.field(completionState, false);
    if (view.state.readOnly || !cState || !cState.open || cState.open.selected < 0 || cState.open.disabled || Date.now() - cState.open.timestamp < view.state.facet(completionConfig).interactionDelay)
      return false;
    return applyCompletion(view, cState.open.options[cState.open.selected]);
  };
  var startCompletion = (view) => {
    let cState = view.state.field(completionState, false);
    if (!cState)
      return false;
    view.dispatch({ effects: startCompletionEffect.of(true) });
    return true;
  };
  var closeCompletion = (view) => {
    let cState = view.state.field(completionState, false);
    if (!cState || !cState.active.some(
      (a) => a.state != 0
      /* State.Inactive */
    ))
      return false;
    view.dispatch({ effects: closeCompletionEffect.of(null) });
    return true;
  };
  var RunningQuery = class {
    constructor(active, context) {
      this.active = active;
      this.context = context;
      this.time = Date.now();
      this.updates = [];
      this.done = void 0;
    }
  };
  var MaxUpdateCount = 50;
  var MinAbortTime = 1e3;
  var completionPlugin = /* @__PURE__ */ ViewPlugin.fromClass(class {
    constructor(view) {
      this.view = view;
      this.debounceUpdate = -1;
      this.running = [];
      this.debounceAccept = -1;
      this.pendingStart = false;
      this.composing = 0;
      for (let active of view.state.field(completionState).active)
        if (active.state == 1)
          this.startQuery(active);
    }
    update(update) {
      let cState = update.state.field(completionState);
      let conf = update.state.facet(completionConfig);
      if (!update.selectionSet && !update.docChanged && update.startState.field(completionState) == cState)
        return;
      let doesReset = update.transactions.some((tr) => {
        return (tr.selection || tr.docChanged) && !getUserEvent(tr, conf);
      });
      for (let i = 0; i < this.running.length; i++) {
        let query = this.running[i];
        if (doesReset || query.updates.length + update.transactions.length > MaxUpdateCount && Date.now() - query.time > MinAbortTime) {
          for (let handler of query.context.abortListeners) {
            try {
              handler();
            } catch (e) {
              logException(this.view.state, e);
            }
          }
          query.context.abortListeners = null;
          this.running.splice(i--, 1);
        } else {
          query.updates.push(...update.transactions);
        }
      }
      if (this.debounceUpdate > -1)
        clearTimeout(this.debounceUpdate);
      if (update.transactions.some((tr) => tr.effects.some((e) => e.is(startCompletionEffect))))
        this.pendingStart = true;
      let delay = this.pendingStart ? 50 : conf.activateOnTypingDelay;
      this.debounceUpdate = cState.active.some((a) => a.state == 1 && !this.running.some((q) => q.active.source == a.source)) ? setTimeout(() => this.startUpdate(), delay) : -1;
      if (this.composing != 0)
        for (let tr of update.transactions) {
          if (getUserEvent(tr, conf) == "input")
            this.composing = 2;
          else if (this.composing == 2 && tr.selection)
            this.composing = 3;
        }
    }
    startUpdate() {
      this.debounceUpdate = -1;
      this.pendingStart = false;
      let { state } = this.view, cState = state.field(completionState);
      for (let active of cState.active) {
        if (active.state == 1 && !this.running.some((r) => r.active.source == active.source))
          this.startQuery(active);
      }
    }
    startQuery(active) {
      let { state } = this.view, pos = cur(state);
      let context = new CompletionContext(state, pos, active.explicitPos == pos);
      let pending = new RunningQuery(active, context);
      this.running.push(pending);
      Promise.resolve(active.source(context)).then((result) => {
        if (!pending.context.aborted) {
          pending.done = result || null;
          this.scheduleAccept();
        }
      }, (err) => {
        this.view.dispatch({ effects: closeCompletionEffect.of(null) });
        logException(this.view.state, err);
      });
    }
    scheduleAccept() {
      if (this.running.every((q) => q.done !== void 0))
        this.accept();
      else if (this.debounceAccept < 0)
        this.debounceAccept = setTimeout(() => this.accept(), this.view.state.facet(completionConfig).updateSyncTime);
    }
    // For each finished query in this.running, try to create a result
    // or, if appropriate, restart the query.
    accept() {
      var _a2;
      if (this.debounceAccept > -1)
        clearTimeout(this.debounceAccept);
      this.debounceAccept = -1;
      let updated = [];
      let conf = this.view.state.facet(completionConfig);
      for (let i = 0; i < this.running.length; i++) {
        let query = this.running[i];
        if (query.done === void 0)
          continue;
        this.running.splice(i--, 1);
        if (query.done) {
          let active = new ActiveResult(query.active.source, query.active.explicitPos, query.done, query.done.from, (_a2 = query.done.to) !== null && _a2 !== void 0 ? _a2 : cur(query.updates.length ? query.updates[0].startState : this.view.state));
          for (let tr of query.updates)
            active = active.update(tr, conf);
          if (active.hasResult()) {
            updated.push(active);
            continue;
          }
        }
        let current = this.view.state.field(completionState).active.find((a) => a.source == query.active.source);
        if (current && current.state == 1) {
          if (query.done == null) {
            let active = new ActiveSource(
              query.active.source,
              0
              /* State.Inactive */
            );
            for (let tr of query.updates)
              active = active.update(tr, conf);
            if (active.state != 1)
              updated.push(active);
          } else {
            this.startQuery(current);
          }
        }
      }
      if (updated.length)
        this.view.dispatch({ effects: setActiveEffect.of(updated) });
    }
  }, {
    eventHandlers: {
      blur(event) {
        let state = this.view.state.field(completionState, false);
        if (state && state.tooltip && this.view.state.facet(completionConfig).closeOnBlur) {
          let dialog = state.open && getTooltip(this.view, state.open.tooltip);
          if (!dialog || !dialog.dom.contains(event.relatedTarget))
            setTimeout(() => this.view.dispatch({ effects: closeCompletionEffect.of(null) }), 10);
        }
      },
      compositionstart() {
        this.composing = 1;
      },
      compositionend() {
        if (this.composing == 3) {
          setTimeout(() => this.view.dispatch({ effects: startCompletionEffect.of(false) }), 20);
        }
        this.composing = 0;
      }
    }
  });
  var windows = typeof navigator == "object" && /* @__PURE__ */ /Win/.test(navigator.platform);
  var commitCharacters = /* @__PURE__ */ Prec.highest(/* @__PURE__ */ EditorView.domEventHandlers({
    keydown(event, view) {
      let field = view.state.field(completionState, false);
      if (!field || !field.open || field.open.disabled || field.open.selected < 0 || event.key.length > 1 || event.ctrlKey && !(windows && event.altKey) || event.metaKey)
        return false;
      let option = field.open.options[field.open.selected];
      let result = field.active.find((a) => a.source == option.source);
      let commitChars = option.completion.commitCharacters || result.result.commitCharacters;
      if (commitChars && commitChars.indexOf(event.key) > -1)
        applyCompletion(view, option);
      return false;
    }
  }));
  var baseTheme4 = /* @__PURE__ */ EditorView.baseTheme({
    ".cm-tooltip.cm-tooltip-autocomplete": {
      "& > ul": {
        fontFamily: "monospace",
        whiteSpace: "nowrap",
        overflow: "hidden auto",
        maxWidth_fallback: "700px",
        maxWidth: "min(700px, 95vw)",
        minWidth: "250px",
        maxHeight: "10em",
        height: "100%",
        listStyle: "none",
        margin: 0,
        padding: 0,
        "& > li, & > completion-section": {
          padding: "1px 3px",
          lineHeight: 1.2
        },
        "& > li": {
          overflowX: "hidden",
          textOverflow: "ellipsis",
          cursor: "pointer"
        },
        "& > completion-section": {
          display: "list-item",
          borderBottom: "1px solid silver",
          paddingLeft: "0.5em",
          opacity: 0.7
        }
      }
    },
    "&light .cm-tooltip-autocomplete ul li[aria-selected]": {
      background: "#17c",
      color: "white"
    },
    "&light .cm-tooltip-autocomplete-disabled ul li[aria-selected]": {
      background: "#777"
    },
    "&dark .cm-tooltip-autocomplete ul li[aria-selected]": {
      background: "#347",
      color: "white"
    },
    "&dark .cm-tooltip-autocomplete-disabled ul li[aria-selected]": {
      background: "#444"
    },
    ".cm-completionListIncompleteTop:before, .cm-completionListIncompleteBottom:after": {
      content: '"\xB7\xB7\xB7"',
      opacity: 0.5,
      display: "block",
      textAlign: "center"
    },
    ".cm-tooltip.cm-completionInfo": {
      position: "absolute",
      padding: "3px 9px",
      width: "max-content",
      maxWidth: `${400}px`,
      boxSizing: "border-box"
    },
    ".cm-completionInfo.cm-completionInfo-left": { right: "100%" },
    ".cm-completionInfo.cm-completionInfo-right": { left: "100%" },
    ".cm-completionInfo.cm-completionInfo-left-narrow": { right: `${30}px` },
    ".cm-completionInfo.cm-completionInfo-right-narrow": { left: `${30}px` },
    "&light .cm-snippetField": { backgroundColor: "#00000022" },
    "&dark .cm-snippetField": { backgroundColor: "#ffffff22" },
    ".cm-snippetFieldPosition": {
      verticalAlign: "text-top",
      width: 0,
      height: "1.15em",
      display: "inline-block",
      margin: "0 -0.7px -.7em",
      borderLeft: "1.4px dotted #888"
    },
    ".cm-completionMatchedText": {
      textDecoration: "underline"
    },
    ".cm-completionDetail": {
      marginLeft: "0.5em",
      fontStyle: "italic"
    },
    ".cm-completionIcon": {
      fontSize: "90%",
      width: ".8em",
      display: "inline-block",
      textAlign: "center",
      paddingRight: ".6em",
      opacity: "0.6",
      boxSizing: "content-box"
    },
    ".cm-completionIcon-function, .cm-completionIcon-method": {
      "&:after": { content: "'\u0192'" }
    },
    ".cm-completionIcon-class": {
      "&:after": { content: "'\u25CB'" }
    },
    ".cm-completionIcon-interface": {
      "&:after": { content: "'\u25CC'" }
    },
    ".cm-completionIcon-variable": {
      "&:after": { content: "'\u{1D465}'" }
    },
    ".cm-completionIcon-constant": {
      "&:after": { content: "'\u{1D436}'" }
    },
    ".cm-completionIcon-type": {
      "&:after": { content: "'\u{1D461}'" }
    },
    ".cm-completionIcon-enum": {
      "&:after": { content: "'\u222A'" }
    },
    ".cm-completionIcon-property": {
      "&:after": { content: "'\u25A1'" }
    },
    ".cm-completionIcon-keyword": {
      "&:after": { content: "'\u{1F511}\uFE0E'" }
      // Disable emoji rendering
    },
    ".cm-completionIcon-namespace": {
      "&:after": { content: "'\u25A2'" }
    },
    ".cm-completionIcon-text": {
      "&:after": { content: "'abc'", fontSize: "50%", verticalAlign: "middle" }
    }
  });
  var FieldPos = class {
    constructor(field, line, from, to) {
      this.field = field;
      this.line = line;
      this.from = from;
      this.to = to;
    }
  };
  var FieldRange = class _FieldRange {
    constructor(field, from, to) {
      this.field = field;
      this.from = from;
      this.to = to;
    }
    map(changes) {
      let from = changes.mapPos(this.from, -1, MapMode.TrackDel);
      let to = changes.mapPos(this.to, 1, MapMode.TrackDel);
      return from == null || to == null ? null : new _FieldRange(this.field, from, to);
    }
  };
  var Snippet = class _Snippet {
    constructor(lines, fieldPositions) {
      this.lines = lines;
      this.fieldPositions = fieldPositions;
    }
    instantiate(state, pos) {
      let text = [], lineStart = [pos];
      let lineObj = state.doc.lineAt(pos), baseIndent = /^\s*/.exec(lineObj.text)[0];
      for (let line of this.lines) {
        if (text.length) {
          let indent = baseIndent, tabs = /^\t*/.exec(line)[0].length;
          for (let i = 0; i < tabs; i++)
            indent += state.facet(indentUnit);
          lineStart.push(pos + indent.length - tabs);
          line = indent + line.slice(tabs);
        }
        text.push(line);
        pos += line.length + 1;
      }
      let ranges = this.fieldPositions.map((pos2) => new FieldRange(pos2.field, lineStart[pos2.line] + pos2.from, lineStart[pos2.line] + pos2.to));
      return { text, ranges };
    }
    static parse(template) {
      let fields = [];
      let lines = [], positions = [], m;
      for (let line of template.split(/\r\n?|\n/)) {
        while (m = /[#$]\{(?:(\d+)(?::([^}]*))?|((?:\\[{}]|[^}])*))\}/.exec(line)) {
          let seq = m[1] ? +m[1] : null, rawName = m[2] || m[3] || "", found = -1;
          let name2 = rawName.replace(/\\[{}]/g, (m2) => m2[1]);
          for (let i = 0; i < fields.length; i++) {
            if (seq != null ? fields[i].seq == seq : name2 ? fields[i].name == name2 : false)
              found = i;
          }
          if (found < 0) {
            let i = 0;
            while (i < fields.length && (seq == null || fields[i].seq != null && fields[i].seq < seq))
              i++;
            fields.splice(i, 0, { seq, name: name2 });
            found = i;
            for (let pos of positions)
              if (pos.field >= found)
                pos.field++;
          }
          positions.push(new FieldPos(found, lines.length, m.index, m.index + name2.length));
          line = line.slice(0, m.index) + rawName + line.slice(m.index + m[0].length);
        }
        line = line.replace(/\\([{}])/g, (_, brace, index) => {
          for (let pos of positions)
            if (pos.line == lines.length && pos.from > index) {
              pos.from--;
              pos.to--;
            }
          return brace;
        });
        lines.push(line);
      }
      return new _Snippet(lines, positions);
    }
  };
  var fieldMarker = /* @__PURE__ */ Decoration.widget({ widget: /* @__PURE__ */ new class extends WidgetType {
    toDOM() {
      let span = document.createElement("span");
      span.className = "cm-snippetFieldPosition";
      return span;
    }
    ignoreEvent() {
      return false;
    }
  }() });
  var fieldRange = /* @__PURE__ */ Decoration.mark({ class: "cm-snippetField" });
  var ActiveSnippet = class _ActiveSnippet {
    constructor(ranges, active) {
      this.ranges = ranges;
      this.active = active;
      this.deco = Decoration.set(ranges.map((r) => (r.from == r.to ? fieldMarker : fieldRange).range(r.from, r.to)));
    }
    map(changes) {
      let ranges = [];
      for (let r of this.ranges) {
        let mapped = r.map(changes);
        if (!mapped)
          return null;
        ranges.push(mapped);
      }
      return new _ActiveSnippet(ranges, this.active);
    }
    selectionInsideField(sel) {
      return sel.ranges.every((range) => this.ranges.some((r) => r.field == this.active && r.from <= range.from && r.to >= range.to));
    }
  };
  var setActive = /* @__PURE__ */ StateEffect.define({
    map(value, changes) {
      return value && value.map(changes);
    }
  });
  var moveToField = /* @__PURE__ */ StateEffect.define();
  var snippetState = /* @__PURE__ */ StateField.define({
    create() {
      return null;
    },
    update(value, tr) {
      for (let effect of tr.effects) {
        if (effect.is(setActive))
          return effect.value;
        if (effect.is(moveToField) && value)
          return new ActiveSnippet(value.ranges, effect.value);
      }
      if (value && tr.docChanged)
        value = value.map(tr.changes);
      if (value && tr.selection && !value.selectionInsideField(tr.selection))
        value = null;
      return value;
    },
    provide: (f) => EditorView.decorations.from(f, (val) => val ? val.deco : Decoration.none)
  });
  function fieldSelection(ranges, field) {
    return EditorSelection.create(ranges.filter((r) => r.field == field).map((r) => EditorSelection.range(r.from, r.to)));
  }
  function snippet(template) {
    let snippet2 = Snippet.parse(template);
    return (editor, completion, from, to) => {
      let { text, ranges } = snippet2.instantiate(editor.state, from);
      let spec = {
        changes: { from, to, insert: Text.of(text) },
        scrollIntoView: true,
        annotations: completion ? [pickedCompletion.of(completion), Transaction.userEvent.of("input.complete")] : void 0
      };
      if (ranges.length)
        spec.selection = fieldSelection(ranges, 0);
      if (ranges.some((r) => r.field > 0)) {
        let active = new ActiveSnippet(ranges, 0);
        let effects = spec.effects = [setActive.of(active)];
        if (editor.state.field(snippetState, false) === void 0)
          effects.push(StateEffect.appendConfig.of([snippetState, addSnippetKeymap, snippetPointerHandler, baseTheme4]));
      }
      editor.dispatch(editor.state.update(spec));
    };
  }
  function moveField(dir) {
    return ({ state, dispatch }) => {
      let active = state.field(snippetState, false);
      if (!active || dir < 0 && active.active == 0)
        return false;
      let next = active.active + dir, last = dir > 0 && !active.ranges.some((r) => r.field == next + dir);
      dispatch(state.update({
        selection: fieldSelection(active.ranges, next),
        effects: setActive.of(last ? null : new ActiveSnippet(active.ranges, next)),
        scrollIntoView: true
      }));
      return true;
    };
  }
  var clearSnippet = ({ state, dispatch }) => {
    let active = state.field(snippetState, false);
    if (!active)
      return false;
    dispatch(state.update({ effects: setActive.of(null) }));
    return true;
  };
  var nextSnippetField = /* @__PURE__ */ moveField(1);
  var prevSnippetField = /* @__PURE__ */ moveField(-1);
  var defaultSnippetKeymap = [
    { key: "Tab", run: nextSnippetField, shift: prevSnippetField },
    { key: "Escape", run: clearSnippet }
  ];
  var snippetKeymap = /* @__PURE__ */ Facet.define({
    combine(maps) {
      return maps.length ? maps[0] : defaultSnippetKeymap;
    }
  });
  var addSnippetKeymap = /* @__PURE__ */ Prec.highest(/* @__PURE__ */ keymap.compute([snippetKeymap], (state) => state.facet(snippetKeymap)));
  function snippetCompletion(template, completion) {
    return Object.assign(Object.assign({}, completion), { apply: snippet(template) });
  }
  var snippetPointerHandler = /* @__PURE__ */ EditorView.domEventHandlers({
    mousedown(event, view) {
      let active = view.state.field(snippetState, false), pos;
      if (!active || (pos = view.posAtCoords({ x: event.clientX, y: event.clientY })) == null)
        return false;
      let match = active.ranges.find((r) => r.from <= pos && r.to >= pos);
      if (!match || match.field == active.active)
        return false;
      view.dispatch({
        selection: fieldSelection(active.ranges, match.field),
        effects: setActive.of(active.ranges.some((r) => r.field > match.field) ? new ActiveSnippet(active.ranges, match.field) : null),
        scrollIntoView: true
      });
      return true;
    }
  });
  var defaults2 = {
    brackets: ["(", "[", "{", "'", '"'],
    before: ")]}:;>",
    stringPrefixes: []
  };
  var closeBracketEffect = /* @__PURE__ */ StateEffect.define({
    map(value, mapping) {
      let mapped = mapping.mapPos(value, -1, MapMode.TrackAfter);
      return mapped == null ? void 0 : mapped;
    }
  });
  var closedBracket = /* @__PURE__ */ new class extends RangeValue {
  }();
  closedBracket.startSide = 1;
  closedBracket.endSide = -1;
  var bracketState = /* @__PURE__ */ StateField.define({
    create() {
      return RangeSet.empty;
    },
    update(value, tr) {
      value = value.map(tr.changes);
      if (tr.selection) {
        let line = tr.state.doc.lineAt(tr.selection.main.head);
        value = value.update({ filter: (from) => from >= line.from && from <= line.to });
      }
      for (let effect of tr.effects)
        if (effect.is(closeBracketEffect))
          value = value.update({ add: [closedBracket.range(effect.value, effect.value + 1)] });
      return value;
    }
  });
  function closeBrackets() {
    return [inputHandler2, bracketState];
  }
  var definedClosing = "()[]{}<>";
  function closing(ch) {
    for (let i = 0; i < definedClosing.length; i += 2)
      if (definedClosing.charCodeAt(i) == ch)
        return definedClosing.charAt(i + 1);
    return fromCodePoint(ch < 128 ? ch : ch + 1);
  }
  function config(state, pos) {
    return state.languageDataAt("closeBrackets", pos)[0] || defaults2;
  }
  var android = typeof navigator == "object" && /* @__PURE__ */ /Android\b/.test(navigator.userAgent);
  var inputHandler2 = /* @__PURE__ */ EditorView.inputHandler.of((view, from, to, insert2) => {
    if ((android ? view.composing : view.compositionStarted) || view.state.readOnly)
      return false;
    let sel = view.state.selection.main;
    if (insert2.length > 2 || insert2.length == 2 && codePointSize(codePointAt(insert2, 0)) == 1 || from != sel.from || to != sel.to)
      return false;
    let tr = insertBracket(view.state, insert2);
    if (!tr)
      return false;
    view.dispatch(tr);
    return true;
  });
  var deleteBracketPair = ({ state, dispatch }) => {
    if (state.readOnly)
      return false;
    let conf = config(state, state.selection.main.head);
    let tokens = conf.brackets || defaults2.brackets;
    let dont = null, changes = state.changeByRange((range) => {
      if (range.empty) {
        let before = prevChar(state.doc, range.head);
        for (let token of tokens) {
          if (token == before && nextChar(state.doc, range.head) == closing(codePointAt(token, 0)))
            return {
              changes: { from: range.head - token.length, to: range.head + token.length },
              range: EditorSelection.cursor(range.head - token.length)
            };
        }
      }
      return { range: dont = range };
    });
    if (!dont)
      dispatch(state.update(changes, { scrollIntoView: true, userEvent: "delete.backward" }));
    return !dont;
  };
  var closeBracketsKeymap = [
    { key: "Backspace", run: deleteBracketPair }
  ];
  function insertBracket(state, bracket2) {
    let conf = config(state, state.selection.main.head);
    let tokens = conf.brackets || defaults2.brackets;
    for (let tok of tokens) {
      let closed = closing(codePointAt(tok, 0));
      if (bracket2 == tok)
        return closed == tok ? handleSame(state, tok, tokens.indexOf(tok + tok + tok) > -1, conf) : handleOpen(state, tok, closed, conf.before || defaults2.before);
      if (bracket2 == closed && closedBracketAt(state, state.selection.main.from))
        return handleClose(state, tok, closed);
    }
    return null;
  }
  function closedBracketAt(state, pos) {
    let found = false;
    state.field(bracketState).between(0, state.doc.length, (from) => {
      if (from == pos)
        found = true;
    });
    return found;
  }
  function nextChar(doc2, pos) {
    let next = doc2.sliceString(pos, pos + 2);
    return next.slice(0, codePointSize(codePointAt(next, 0)));
  }
  function prevChar(doc2, pos) {
    let prev = doc2.sliceString(pos - 2, pos);
    return codePointSize(codePointAt(prev, 0)) == prev.length ? prev : prev.slice(1);
  }
  function handleOpen(state, open, close, closeBefore) {
    let dont = null, changes = state.changeByRange((range) => {
      if (!range.empty)
        return {
          changes: [{ insert: open, from: range.from }, { insert: close, from: range.to }],
          effects: closeBracketEffect.of(range.to + open.length),
          range: EditorSelection.range(range.anchor + open.length, range.head + open.length)
        };
      let next = nextChar(state.doc, range.head);
      if (!next || /\s/.test(next) || closeBefore.indexOf(next) > -1)
        return {
          changes: { insert: open + close, from: range.head },
          effects: closeBracketEffect.of(range.head + open.length),
          range: EditorSelection.cursor(range.head + open.length)
        };
      return { range: dont = range };
    });
    return dont ? null : state.update(changes, {
      scrollIntoView: true,
      userEvent: "input.type"
    });
  }
  function handleClose(state, _open, close) {
    let dont = null, changes = state.changeByRange((range) => {
      if (range.empty && nextChar(state.doc, range.head) == close)
        return {
          changes: { from: range.head, to: range.head + close.length, insert: close },
          range: EditorSelection.cursor(range.head + close.length)
        };
      return dont = { range };
    });
    return dont ? null : state.update(changes, {
      scrollIntoView: true,
      userEvent: "input.type"
    });
  }
  function handleSame(state, token, allowTriple, config2) {
    let stringPrefixes = config2.stringPrefixes || defaults2.stringPrefixes;
    let dont = null, changes = state.changeByRange((range) => {
      if (!range.empty)
        return {
          changes: [{ insert: token, from: range.from }, { insert: token, from: range.to }],
          effects: closeBracketEffect.of(range.to + token.length),
          range: EditorSelection.range(range.anchor + token.length, range.head + token.length)
        };
      let pos = range.head, next = nextChar(state.doc, pos), start;
      if (next == token) {
        if (nodeStart(state, pos)) {
          return {
            changes: { insert: token + token, from: pos },
            effects: closeBracketEffect.of(pos + token.length),
            range: EditorSelection.cursor(pos + token.length)
          };
        } else if (closedBracketAt(state, pos)) {
          let isTriple = allowTriple && state.sliceDoc(pos, pos + token.length * 3) == token + token + token;
          let content2 = isTriple ? token + token + token : token;
          return {
            changes: { from: pos, to: pos + content2.length, insert: content2 },
            range: EditorSelection.cursor(pos + content2.length)
          };
        }
      } else if (allowTriple && state.sliceDoc(pos - 2 * token.length, pos) == token + token && (start = canStartStringAt(state, pos - 2 * token.length, stringPrefixes)) > -1 && nodeStart(state, start)) {
        return {
          changes: { insert: token + token + token + token, from: pos },
          effects: closeBracketEffect.of(pos + token.length),
          range: EditorSelection.cursor(pos + token.length)
        };
      } else if (state.charCategorizer(pos)(next) != CharCategory.Word) {
        if (canStartStringAt(state, pos, stringPrefixes) > -1 && !probablyInString(state, pos, token, stringPrefixes))
          return {
            changes: { insert: token + token, from: pos },
            effects: closeBracketEffect.of(pos + token.length),
            range: EditorSelection.cursor(pos + token.length)
          };
      }
      return { range: dont = range };
    });
    return dont ? null : state.update(changes, {
      scrollIntoView: true,
      userEvent: "input.type"
    });
  }
  function nodeStart(state, pos) {
    let tree = syntaxTree(state).resolveInner(pos + 1);
    return tree.parent && tree.from == pos;
  }
  function probablyInString(state, pos, quoteToken, prefixes) {
    let node = syntaxTree(state).resolveInner(pos, -1);
    let maxPrefix = prefixes.reduce((m, p) => Math.max(m, p.length), 0);
    for (let i = 0; i < 5; i++) {
      let start = state.sliceDoc(node.from, Math.min(node.to, node.from + quoteToken.length + maxPrefix));
      let quotePos = start.indexOf(quoteToken);
      if (!quotePos || quotePos > -1 && prefixes.indexOf(start.slice(0, quotePos)) > -1) {
        let first = node.firstChild;
        while (first && first.from == node.from && first.to - first.from > quoteToken.length + quotePos) {
          if (state.sliceDoc(first.to - quoteToken.length, first.to) == quoteToken)
            return false;
          first = first.firstChild;
        }
        return true;
      }
      let parent = node.to == pos && node.parent;
      if (!parent)
        break;
      node = parent;
    }
    return false;
  }
  function canStartStringAt(state, pos, prefixes) {
    let charCat = state.charCategorizer(pos);
    if (charCat(state.sliceDoc(pos - 1, pos)) != CharCategory.Word)
      return pos;
    for (let prefix of prefixes) {
      let start = pos - prefix.length;
      if (state.sliceDoc(start, pos) == prefix && charCat(state.sliceDoc(start - 1, start)) != CharCategory.Word)
        return start;
    }
    return -1;
  }
  function autocompletion(config2 = {}) {
    return [
      commitCharacters,
      completionState,
      completionConfig.of(config2),
      completionPlugin,
      completionKeymapExt,
      baseTheme4
    ];
  }
  var completionKeymap = [
    { key: "Ctrl-Space", run: startCompletion },
    { key: "Escape", run: closeCompletion },
    { key: "ArrowDown", run: /* @__PURE__ */ moveCompletionSelection(true) },
    { key: "ArrowUp", run: /* @__PURE__ */ moveCompletionSelection(false) },
    { key: "PageDown", run: /* @__PURE__ */ moveCompletionSelection(true, "page") },
    { key: "PageUp", run: /* @__PURE__ */ moveCompletionSelection(false, "page") },
    { key: "Enter", run: acceptCompletion }
  ];
  var completionKeymapExt = /* @__PURE__ */ Prec.highest(/* @__PURE__ */ keymap.computeN([completionConfig], (state) => state.facet(completionConfig).defaultKeymap ? [completionKeymap] : []));

  // node_modules/@codemirror/lint/dist/index.js
  var SelectedDiagnostic = class {
    constructor(from, to, diagnostic) {
      this.from = from;
      this.to = to;
      this.diagnostic = diagnostic;
    }
  };
  var LintState = class _LintState {
    constructor(diagnostics, panel, selected) {
      this.diagnostics = diagnostics;
      this.panel = panel;
      this.selected = selected;
    }
    static init(diagnostics, panel, state) {
      let markedDiagnostics = diagnostics;
      let diagnosticFilter = state.facet(lintConfig).markerFilter;
      if (diagnosticFilter)
        markedDiagnostics = diagnosticFilter(markedDiagnostics, state);
      let ranges = Decoration.set(markedDiagnostics.map((d) => {
        return d.from == d.to || d.from == d.to - 1 && state.doc.lineAt(d.from).to == d.from ? Decoration.widget({
          widget: new DiagnosticWidget(d),
          diagnostic: d
        }).range(d.from) : Decoration.mark({
          attributes: { class: "cm-lintRange cm-lintRange-" + d.severity + (d.markClass ? " " + d.markClass : "") },
          diagnostic: d,
          inclusive: true
        }).range(d.from, d.to);
      }), true);
      return new _LintState(ranges, panel, findDiagnostic(ranges));
    }
  };
  function findDiagnostic(diagnostics, diagnostic = null, after = 0) {
    let found = null;
    diagnostics.between(after, 1e9, (from, to, { spec }) => {
      if (diagnostic && spec.diagnostic != diagnostic)
        return;
      found = new SelectedDiagnostic(from, to, spec.diagnostic);
      return false;
    });
    return found;
  }
  function hideTooltip(tr, tooltip) {
    let from = tooltip.pos, to = tooltip.end || from;
    let result = tr.state.facet(lintConfig).hideOn(tr, from, to);
    if (result != null)
      return result;
    let line = tr.startState.doc.lineAt(tooltip.pos);
    return !!(tr.effects.some((e) => e.is(setDiagnosticsEffect)) || tr.changes.touchesRange(line.from, Math.max(line.to, to)));
  }
  function maybeEnableLint(state, effects) {
    return state.field(lintState, false) ? effects : effects.concat(StateEffect.appendConfig.of(lintExtensions));
  }
  var setDiagnosticsEffect = /* @__PURE__ */ StateEffect.define();
  var togglePanel2 = /* @__PURE__ */ StateEffect.define();
  var movePanelSelection = /* @__PURE__ */ StateEffect.define();
  var lintState = /* @__PURE__ */ StateField.define({
    create() {
      return new LintState(Decoration.none, null, null);
    },
    update(value, tr) {
      if (tr.docChanged && value.diagnostics.size) {
        let mapped = value.diagnostics.map(tr.changes), selected = null, panel = value.panel;
        if (value.selected) {
          let selPos = tr.changes.mapPos(value.selected.from, 1);
          selected = findDiagnostic(mapped, value.selected.diagnostic, selPos) || findDiagnostic(mapped, null, selPos);
        }
        if (!mapped.size && panel && tr.state.facet(lintConfig).autoPanel)
          panel = null;
        value = new LintState(mapped, panel, selected);
      }
      for (let effect of tr.effects) {
        if (effect.is(setDiagnosticsEffect)) {
          let panel = !tr.state.facet(lintConfig).autoPanel ? value.panel : effect.value.length ? LintPanel.open : null;
          value = LintState.init(effect.value, panel, tr.state);
        } else if (effect.is(togglePanel2)) {
          value = new LintState(value.diagnostics, effect.value ? LintPanel.open : null, value.selected);
        } else if (effect.is(movePanelSelection)) {
          value = new LintState(value.diagnostics, value.panel, effect.value);
        }
      }
      return value;
    },
    provide: (f) => [
      showPanel.from(f, (val) => val.panel),
      EditorView.decorations.from(f, (s) => s.diagnostics)
    ]
  });
  var activeMark = /* @__PURE__ */ Decoration.mark({ class: "cm-lintRange cm-lintRange-active", inclusive: true });
  function lintTooltip(view, pos, side) {
    let { diagnostics } = view.state.field(lintState);
    let found = [], stackStart = 2e8, stackEnd = 0;
    diagnostics.between(pos - (side < 0 ? 1 : 0), pos + (side > 0 ? 1 : 0), (from, to, { spec }) => {
      if (pos >= from && pos <= to && (from == to || (pos > from || side > 0) && (pos < to || side < 0))) {
        found.push(spec.diagnostic);
        stackStart = Math.min(from, stackStart);
        stackEnd = Math.max(to, stackEnd);
      }
    });
    let diagnosticFilter = view.state.facet(lintConfig).tooltipFilter;
    if (diagnosticFilter)
      found = diagnosticFilter(found, view.state);
    if (!found.length)
      return null;
    return {
      pos: stackStart,
      end: stackEnd,
      above: view.state.doc.lineAt(stackStart).to < stackEnd,
      create() {
        return { dom: diagnosticsTooltip(view, found) };
      }
    };
  }
  function diagnosticsTooltip(view, diagnostics) {
    return crelt("ul", { class: "cm-tooltip-lint" }, diagnostics.map((d) => renderDiagnostic(view, d, false)));
  }
  var openLintPanel = (view) => {
    let field = view.state.field(lintState, false);
    if (!field || !field.panel)
      view.dispatch({ effects: maybeEnableLint(view.state, [togglePanel2.of(true)]) });
    let panel = getPanel(view, LintPanel.open);
    if (panel)
      panel.dom.querySelector(".cm-panel-lint ul").focus();
    return true;
  };
  var closeLintPanel = (view) => {
    let field = view.state.field(lintState, false);
    if (!field || !field.panel)
      return false;
    view.dispatch({ effects: togglePanel2.of(false) });
    return true;
  };
  var nextDiagnostic = (view) => {
    let field = view.state.field(lintState, false);
    if (!field)
      return false;
    let sel = view.state.selection.main, next = field.diagnostics.iter(sel.to + 1);
    if (!next.value) {
      next = field.diagnostics.iter(0);
      if (!next.value || next.from == sel.from && next.to == sel.to)
        return false;
    }
    view.dispatch({ selection: { anchor: next.from, head: next.to }, scrollIntoView: true });
    return true;
  };
  var lintKeymap = [
    { key: "Mod-Shift-m", run: openLintPanel, preventDefault: true },
    { key: "F8", run: nextDiagnostic }
  ];
  var lintConfig = /* @__PURE__ */ Facet.define({
    combine(input) {
      return Object.assign({ sources: input.map((i) => i.source).filter((x) => x != null) }, combineConfig(input.map((i) => i.config), {
        delay: 750,
        markerFilter: null,
        tooltipFilter: null,
        needsRefresh: null,
        hideOn: () => null
      }, {
        needsRefresh: (a, b) => !a ? b : !b ? a : (u) => a(u) || b(u)
      }));
    }
  });
  function assignKeys(actions) {
    let assigned = [];
    if (actions)
      actions: for (let { name: name2 } of actions) {
        for (let i = 0; i < name2.length; i++) {
          let ch = name2[i];
          if (/[a-zA-Z]/.test(ch) && !assigned.some((c) => c.toLowerCase() == ch.toLowerCase())) {
            assigned.push(ch);
            continue actions;
          }
        }
        assigned.push("");
      }
    return assigned;
  }
  function renderDiagnostic(view, diagnostic, inPanel) {
    var _a2;
    let keys2 = inPanel ? assignKeys(diagnostic.actions) : [];
    return crelt("li", { class: "cm-diagnostic cm-diagnostic-" + diagnostic.severity }, crelt("span", { class: "cm-diagnosticText" }, diagnostic.renderMessage ? diagnostic.renderMessage(view) : diagnostic.message), (_a2 = diagnostic.actions) === null || _a2 === void 0 ? void 0 : _a2.map((action, i) => {
      let fired = false, click = (e) => {
        e.preventDefault();
        if (fired)
          return;
        fired = true;
        let found = findDiagnostic(view.state.field(lintState).diagnostics, diagnostic);
        if (found)
          action.apply(view, found.from, found.to);
      };
      let { name: name2 } = action, keyIndex = keys2[i] ? name2.indexOf(keys2[i]) : -1;
      let nameElt = keyIndex < 0 ? name2 : [
        name2.slice(0, keyIndex),
        crelt("u", name2.slice(keyIndex, keyIndex + 1)),
        name2.slice(keyIndex + 1)
      ];
      return crelt("button", {
        type: "button",
        class: "cm-diagnosticAction",
        onclick: click,
        onmousedown: click,
        "aria-label": ` Action: ${name2}${keyIndex < 0 ? "" : ` (access key "${keys2[i]})"`}.`
      }, nameElt);
    }), diagnostic.source && crelt("div", { class: "cm-diagnosticSource" }, diagnostic.source));
  }
  var DiagnosticWidget = class extends WidgetType {
    constructor(diagnostic) {
      super();
      this.diagnostic = diagnostic;
    }
    eq(other) {
      return other.diagnostic == this.diagnostic;
    }
    toDOM() {
      return crelt("span", { class: "cm-lintPoint cm-lintPoint-" + this.diagnostic.severity });
    }
  };
  var PanelItem = class {
    constructor(view, diagnostic) {
      this.diagnostic = diagnostic;
      this.id = "item_" + Math.floor(Math.random() * 4294967295).toString(16);
      this.dom = renderDiagnostic(view, diagnostic, true);
      this.dom.id = this.id;
      this.dom.setAttribute("role", "option");
    }
  };
  var LintPanel = class _LintPanel {
    constructor(view) {
      this.view = view;
      this.items = [];
      let onkeydown = (event) => {
        if (event.keyCode == 27) {
          closeLintPanel(this.view);
          this.view.focus();
        } else if (event.keyCode == 38 || event.keyCode == 33) {
          this.moveSelection((this.selectedIndex - 1 + this.items.length) % this.items.length);
        } else if (event.keyCode == 40 || event.keyCode == 34) {
          this.moveSelection((this.selectedIndex + 1) % this.items.length);
        } else if (event.keyCode == 36) {
          this.moveSelection(0);
        } else if (event.keyCode == 35) {
          this.moveSelection(this.items.length - 1);
        } else if (event.keyCode == 13) {
          this.view.focus();
        } else if (event.keyCode >= 65 && event.keyCode <= 90 && this.selectedIndex >= 0) {
          let { diagnostic } = this.items[this.selectedIndex], keys2 = assignKeys(diagnostic.actions);
          for (let i = 0; i < keys2.length; i++)
            if (keys2[i].toUpperCase().charCodeAt(0) == event.keyCode) {
              let found = findDiagnostic(this.view.state.field(lintState).diagnostics, diagnostic);
              if (found)
                diagnostic.actions[i].apply(view, found.from, found.to);
            }
        } else {
          return;
        }
        event.preventDefault();
      };
      let onclick = (event) => {
        for (let i = 0; i < this.items.length; i++) {
          if (this.items[i].dom.contains(event.target))
            this.moveSelection(i);
        }
      };
      this.list = crelt("ul", {
        tabIndex: 0,
        role: "listbox",
        "aria-label": this.view.state.phrase("Diagnostics"),
        onkeydown,
        onclick
      });
      this.dom = crelt("div", { class: "cm-panel-lint" }, this.list, crelt("button", {
        type: "button",
        name: "close",
        "aria-label": this.view.state.phrase("close"),
        onclick: () => closeLintPanel(this.view)
      }, "\xD7"));
      this.update();
    }
    get selectedIndex() {
      let selected = this.view.state.field(lintState).selected;
      if (!selected)
        return -1;
      for (let i = 0; i < this.items.length; i++)
        if (this.items[i].diagnostic == selected.diagnostic)
          return i;
      return -1;
    }
    update() {
      let { diagnostics, selected } = this.view.state.field(lintState);
      let i = 0, needsSync = false, newSelectedItem = null;
      diagnostics.between(0, this.view.state.doc.length, (_start, _end, { spec }) => {
        let found = -1, item;
        for (let j = i; j < this.items.length; j++)
          if (this.items[j].diagnostic == spec.diagnostic) {
            found = j;
            break;
          }
        if (found < 0) {
          item = new PanelItem(this.view, spec.diagnostic);
          this.items.splice(i, 0, item);
          needsSync = true;
        } else {
          item = this.items[found];
          if (found > i) {
            this.items.splice(i, found - i);
            needsSync = true;
          }
        }
        if (selected && item.diagnostic == selected.diagnostic) {
          if (!item.dom.hasAttribute("aria-selected")) {
            item.dom.setAttribute("aria-selected", "true");
            newSelectedItem = item;
          }
        } else if (item.dom.hasAttribute("aria-selected")) {
          item.dom.removeAttribute("aria-selected");
        }
        i++;
      });
      while (i < this.items.length && !(this.items.length == 1 && this.items[0].diagnostic.from < 0)) {
        needsSync = true;
        this.items.pop();
      }
      if (this.items.length == 0) {
        this.items.push(new PanelItem(this.view, {
          from: -1,
          to: -1,
          severity: "info",
          message: this.view.state.phrase("No diagnostics")
        }));
        needsSync = true;
      }
      if (newSelectedItem) {
        this.list.setAttribute("aria-activedescendant", newSelectedItem.id);
        this.view.requestMeasure({
          key: this,
          read: () => ({ sel: newSelectedItem.dom.getBoundingClientRect(), panel: this.list.getBoundingClientRect() }),
          write: ({ sel, panel }) => {
            let scaleY = panel.height / this.list.offsetHeight;
            if (sel.top < panel.top)
              this.list.scrollTop -= (panel.top - sel.top) / scaleY;
            else if (sel.bottom > panel.bottom)
              this.list.scrollTop += (sel.bottom - panel.bottom) / scaleY;
          }
        });
      } else if (this.selectedIndex < 0) {
        this.list.removeAttribute("aria-activedescendant");
      }
      if (needsSync)
        this.sync();
    }
    sync() {
      let domPos = this.list.firstChild;
      function rm2() {
        let prev = domPos;
        domPos = prev.nextSibling;
        prev.remove();
      }
      for (let item of this.items) {
        if (item.dom.parentNode == this.list) {
          while (domPos != item.dom)
            rm2();
          domPos = item.dom.nextSibling;
        } else {
          this.list.insertBefore(item.dom, domPos);
        }
      }
      while (domPos)
        rm2();
    }
    moveSelection(selectedIndex) {
      if (this.selectedIndex < 0)
        return;
      let field = this.view.state.field(lintState);
      let selection = findDiagnostic(field.diagnostics, this.items[selectedIndex].diagnostic);
      if (!selection)
        return;
      this.view.dispatch({
        selection: { anchor: selection.from, head: selection.to },
        scrollIntoView: true,
        effects: movePanelSelection.of(selection)
      });
    }
    static open(view) {
      return new _LintPanel(view);
    }
  };
  function svg(content2, attrs = `viewBox="0 0 40 40"`) {
    return `url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" ${attrs}>${encodeURIComponent(content2)}</svg>')`;
  }
  function underline(color) {
    return svg(`<path d="m0 2.5 l2 -1.5 l1 0 l2 1.5 l1 0" stroke="${color}" fill="none" stroke-width=".7"/>`, `width="6" height="3"`);
  }
  var baseTheme5 = /* @__PURE__ */ EditorView.baseTheme({
    ".cm-diagnostic": {
      padding: "3px 6px 3px 8px",
      marginLeft: "-1px",
      display: "block",
      whiteSpace: "pre-wrap"
    },
    ".cm-diagnostic-error": { borderLeft: "5px solid #d11" },
    ".cm-diagnostic-warning": { borderLeft: "5px solid orange" },
    ".cm-diagnostic-info": { borderLeft: "5px solid #999" },
    ".cm-diagnostic-hint": { borderLeft: "5px solid #66d" },
    ".cm-diagnosticAction": {
      font: "inherit",
      border: "none",
      padding: "2px 4px",
      backgroundColor: "#444",
      color: "white",
      borderRadius: "3px",
      marginLeft: "8px",
      cursor: "pointer"
    },
    ".cm-diagnosticSource": {
      fontSize: "70%",
      opacity: 0.7
    },
    ".cm-lintRange": {
      backgroundPosition: "left bottom",
      backgroundRepeat: "repeat-x",
      paddingBottom: "0.7px"
    },
    ".cm-lintRange-error": { backgroundImage: /* @__PURE__ */ underline("#d11") },
    ".cm-lintRange-warning": { backgroundImage: /* @__PURE__ */ underline("orange") },
    ".cm-lintRange-info": { backgroundImage: /* @__PURE__ */ underline("#999") },
    ".cm-lintRange-hint": { backgroundImage: /* @__PURE__ */ underline("#66d") },
    ".cm-lintRange-active": { backgroundColor: "#ffdd9980" },
    ".cm-tooltip-lint": {
      padding: 0,
      margin: 0
    },
    ".cm-lintPoint": {
      position: "relative",
      "&:after": {
        content: '""',
        position: "absolute",
        bottom: 0,
        left: "-2px",
        borderLeft: "3px solid transparent",
        borderRight: "3px solid transparent",
        borderBottom: "4px solid #d11"
      }
    },
    ".cm-lintPoint-warning": {
      "&:after": { borderBottomColor: "orange" }
    },
    ".cm-lintPoint-info": {
      "&:after": { borderBottomColor: "#999" }
    },
    ".cm-lintPoint-hint": {
      "&:after": { borderBottomColor: "#66d" }
    },
    ".cm-panel.cm-panel-lint": {
      position: "relative",
      "& ul": {
        maxHeight: "100px",
        overflowY: "auto",
        "& [aria-selected]": {
          backgroundColor: "#ddd",
          "& u": { textDecoration: "underline" }
        },
        "&:focus [aria-selected]": {
          background_fallback: "#bdf",
          backgroundColor: "Highlight",
          color_fallback: "white",
          color: "HighlightText"
        },
        "& u": { textDecoration: "none" },
        padding: 0,
        margin: 0
      },
      "& [name=close]": {
        position: "absolute",
        top: "0",
        right: "2px",
        background: "inherit",
        border: "none",
        font: "inherit",
        padding: 0,
        margin: 0
      }
    }
  });
  var lintExtensions = [
    lintState,
    /* @__PURE__ */ EditorView.decorations.compute([lintState], (state) => {
      let { selected, panel } = state.field(lintState);
      return !selected || !panel || selected.from == selected.to ? Decoration.none : Decoration.set([
        activeMark.range(selected.from, selected.to)
      ]);
    }),
    /* @__PURE__ */ hoverTooltip(lintTooltip, { hideOn: hideTooltip }),
    baseTheme5
  ];

  // node_modules/codemirror/dist/index.js
  var basicSetup = /* @__PURE__ */ (() => [
    lineNumbers(),
    highlightActiveLineGutter(),
    highlightSpecialChars(),
    history(),
    foldGutter(),
    drawSelection(),
    dropCursor(),
    EditorState.allowMultipleSelections.of(true),
    indentOnInput(),
    syntaxHighlighting(defaultHighlightStyle, { fallback: true }),
    bracketMatching(),
    closeBrackets(),
    autocompletion(),
    rectangularSelection(),
    crosshairCursor(),
    highlightActiveLine(),
    highlightSelectionMatches(),
    keymap.of([
      ...closeBracketsKeymap,
      ...defaultKeymap,
      ...searchKeymap,
      ...historyKeymap,
      ...foldKeymap,
      ...completionKeymap,
      ...lintKeymap
    ])
  ])();

  // node_modules/@lezer/markdown/dist/index.js
  var CompositeBlock = class _CompositeBlock {
    static create(type, value, from, parentHash, end) {
      let hash2 = parentHash + (parentHash << 8) + type + (value << 4) | 0;
      return new _CompositeBlock(type, value, from, hash2, end, [], []);
    }
    constructor(type, value, from, hash2, end, children, positions) {
      this.type = type;
      this.value = value;
      this.from = from;
      this.hash = hash2;
      this.end = end;
      this.children = children;
      this.positions = positions;
      this.hashProp = [[NodeProp.contextHash, hash2]];
    }
    addChild(child, pos) {
      if (child.prop(NodeProp.contextHash) != this.hash)
        child = new Tree(child.type, child.children, child.positions, child.length, this.hashProp);
      this.children.push(child);
      this.positions.push(pos);
    }
    toTree(nodeSet, end = this.end) {
      let last = this.children.length - 1;
      if (last >= 0)
        end = Math.max(end, this.positions[last] + this.children[last].length + this.from);
      return new Tree(nodeSet.types[this.type], this.children, this.positions, end - this.from).balance({
        makeTree: (children, positions, length) => new Tree(NodeType.none, children, positions, length, this.hashProp)
      });
    }
  };
  var Type;
  (function(Type2) {
    Type2[Type2["Document"] = 1] = "Document";
    Type2[Type2["CodeBlock"] = 2] = "CodeBlock";
    Type2[Type2["FencedCode"] = 3] = "FencedCode";
    Type2[Type2["Blockquote"] = 4] = "Blockquote";
    Type2[Type2["HorizontalRule"] = 5] = "HorizontalRule";
    Type2[Type2["BulletList"] = 6] = "BulletList";
    Type2[Type2["OrderedList"] = 7] = "OrderedList";
    Type2[Type2["ListItem"] = 8] = "ListItem";
    Type2[Type2["ATXHeading1"] = 9] = "ATXHeading1";
    Type2[Type2["ATXHeading2"] = 10] = "ATXHeading2";
    Type2[Type2["ATXHeading3"] = 11] = "ATXHeading3";
    Type2[Type2["ATXHeading4"] = 12] = "ATXHeading4";
    Type2[Type2["ATXHeading5"] = 13] = "ATXHeading5";
    Type2[Type2["ATXHeading6"] = 14] = "ATXHeading6";
    Type2[Type2["SetextHeading1"] = 15] = "SetextHeading1";
    Type2[Type2["SetextHeading2"] = 16] = "SetextHeading2";
    Type2[Type2["HTMLBlock"] = 17] = "HTMLBlock";
    Type2[Type2["LinkReference"] = 18] = "LinkReference";
    Type2[Type2["Paragraph"] = 19] = "Paragraph";
    Type2[Type2["CommentBlock"] = 20] = "CommentBlock";
    Type2[Type2["ProcessingInstructionBlock"] = 21] = "ProcessingInstructionBlock";
    Type2[Type2["Escape"] = 22] = "Escape";
    Type2[Type2["Entity"] = 23] = "Entity";
    Type2[Type2["HardBreak"] = 24] = "HardBreak";
    Type2[Type2["Emphasis"] = 25] = "Emphasis";
    Type2[Type2["StrongEmphasis"] = 26] = "StrongEmphasis";
    Type2[Type2["Link"] = 27] = "Link";
    Type2[Type2["Image"] = 28] = "Image";
    Type2[Type2["InlineCode"] = 29] = "InlineCode";
    Type2[Type2["HTMLTag"] = 30] = "HTMLTag";
    Type2[Type2["Comment"] = 31] = "Comment";
    Type2[Type2["ProcessingInstruction"] = 32] = "ProcessingInstruction";
    Type2[Type2["Autolink"] = 33] = "Autolink";
    Type2[Type2["HeaderMark"] = 34] = "HeaderMark";
    Type2[Type2["QuoteMark"] = 35] = "QuoteMark";
    Type2[Type2["ListMark"] = 36] = "ListMark";
    Type2[Type2["LinkMark"] = 37] = "LinkMark";
    Type2[Type2["EmphasisMark"] = 38] = "EmphasisMark";
    Type2[Type2["CodeMark"] = 39] = "CodeMark";
    Type2[Type2["CodeText"] = 40] = "CodeText";
    Type2[Type2["CodeInfo"] = 41] = "CodeInfo";
    Type2[Type2["LinkTitle"] = 42] = "LinkTitle";
    Type2[Type2["LinkLabel"] = 43] = "LinkLabel";
    Type2[Type2["URL"] = 44] = "URL";
  })(Type || (Type = {}));
  var LeafBlock = class {
    /// @internal
    constructor(start, content2) {
      this.start = start;
      this.content = content2;
      this.marks = [];
      this.parsers = [];
    }
  };
  var Line2 = class {
    constructor() {
      this.text = "";
      this.baseIndent = 0;
      this.basePos = 0;
      this.depth = 0;
      this.markers = [];
      this.pos = 0;
      this.indent = 0;
      this.next = -1;
    }
    /// @internal
    forward() {
      if (this.basePos > this.pos)
        this.forwardInner();
    }
    /// @internal
    forwardInner() {
      let newPos = this.skipSpace(this.basePos);
      this.indent = this.countIndent(newPos, this.pos, this.indent);
      this.pos = newPos;
      this.next = newPos == this.text.length ? -1 : this.text.charCodeAt(newPos);
    }
    /// Skip whitespace after the given position, return the position of
    /// the next non-space character or the end of the line if there's
    /// only space after `from`.
    skipSpace(from) {
      return skipSpace(this.text, from);
    }
    /// @internal
    reset(text) {
      this.text = text;
      this.baseIndent = this.basePos = this.pos = this.indent = 0;
      this.forwardInner();
      this.depth = 1;
      while (this.markers.length)
        this.markers.pop();
    }
    /// Move the line's base position forward to the given position.
    /// This should only be called by composite [block
    /// parsers](#BlockParser.parse) or [markup skipping
    /// functions](#NodeSpec.composite).
    moveBase(to) {
      this.basePos = to;
      this.baseIndent = this.countIndent(to, this.pos, this.indent);
    }
    /// Move the line's base position forward to the given _column_.
    moveBaseColumn(indent) {
      this.baseIndent = indent;
      this.basePos = this.findColumn(indent);
    }
    /// Store a composite-block-level marker. Should be called from
    /// [markup skipping functions](#NodeSpec.composite) when they
    /// consume any non-whitespace characters.
    addMarker(elt2) {
      this.markers.push(elt2);
    }
    /// Find the column position at `to`, optionally starting at a given
    /// position and column.
    countIndent(to, from = 0, indent = 0) {
      for (let i = from; i < to; i++)
        indent += this.text.charCodeAt(i) == 9 ? 4 - indent % 4 : 1;
      return indent;
    }
    /// Find the position corresponding to the given column.
    findColumn(goal) {
      let i = 0;
      for (let indent = 0; i < this.text.length && indent < goal; i++)
        indent += this.text.charCodeAt(i) == 9 ? 4 - indent % 4 : 1;
      return i;
    }
    /// @internal
    scrub() {
      if (!this.baseIndent)
        return this.text;
      let result = "";
      for (let i = 0; i < this.basePos; i++)
        result += " ";
      return result + this.text.slice(this.basePos);
    }
  };
  function skipForList(bl, cx, line) {
    if (line.pos == line.text.length || bl != cx.block && line.indent >= cx.stack[line.depth + 1].value + line.baseIndent)
      return true;
    if (line.indent >= line.baseIndent + 4)
      return false;
    let size = (bl.type == Type.OrderedList ? isOrderedList : isBulletList)(line, cx, false);
    return size > 0 && (bl.type != Type.BulletList || isHorizontalRule(line, cx, false) < 0) && line.text.charCodeAt(line.pos + size - 1) == bl.value;
  }
  var DefaultSkipMarkup = {
    [Type.Blockquote](bl, cx, line) {
      if (line.next != 62)
        return false;
      line.markers.push(elt(Type.QuoteMark, cx.lineStart + line.pos, cx.lineStart + line.pos + 1));
      line.moveBase(line.pos + (space(line.text.charCodeAt(line.pos + 1)) ? 2 : 1));
      bl.end = cx.lineStart + line.text.length;
      return true;
    },
    [Type.ListItem](bl, _cx, line) {
      if (line.indent < line.baseIndent + bl.value && line.next > -1)
        return false;
      line.moveBaseColumn(line.baseIndent + bl.value);
      return true;
    },
    [Type.OrderedList]: skipForList,
    [Type.BulletList]: skipForList,
    [Type.Document]() {
      return true;
    }
  };
  function space(ch) {
    return ch == 32 || ch == 9 || ch == 10 || ch == 13;
  }
  function skipSpace(line, i = 0) {
    while (i < line.length && space(line.charCodeAt(i)))
      i++;
    return i;
  }
  function skipSpaceBack(line, i, to) {
    while (i > to && space(line.charCodeAt(i - 1)))
      i--;
    return i;
  }
  function isFencedCode(line) {
    if (line.next != 96 && line.next != 126)
      return -1;
    let pos = line.pos + 1;
    while (pos < line.text.length && line.text.charCodeAt(pos) == line.next)
      pos++;
    if (pos < line.pos + 3)
      return -1;
    if (line.next == 96) {
      for (let i = pos; i < line.text.length; i++)
        if (line.text.charCodeAt(i) == 96)
          return -1;
    }
    return pos;
  }
  function isBlockquote(line) {
    return line.next != 62 ? -1 : line.text.charCodeAt(line.pos + 1) == 32 ? 2 : 1;
  }
  function isHorizontalRule(line, cx, breaking) {
    if (line.next != 42 && line.next != 45 && line.next != 95)
      return -1;
    let count2 = 1;
    for (let pos = line.pos + 1; pos < line.text.length; pos++) {
      let ch = line.text.charCodeAt(pos);
      if (ch == line.next)
        count2++;
      else if (!space(ch))
        return -1;
    }
    if (breaking && line.next == 45 && isSetextUnderline(line) > -1 && line.depth == cx.stack.length)
      return -1;
    return count2 < 3 ? -1 : 1;
  }
  function inList(cx, type) {
    for (let i = cx.stack.length - 1; i >= 0; i--)
      if (cx.stack[i].type == type)
        return true;
    return false;
  }
  function isBulletList(line, cx, breaking) {
    return (line.next == 45 || line.next == 43 || line.next == 42) && (line.pos == line.text.length - 1 || space(line.text.charCodeAt(line.pos + 1))) && (!breaking || inList(cx, Type.BulletList) || line.skipSpace(line.pos + 2) < line.text.length) ? 1 : -1;
  }
  function isOrderedList(line, cx, breaking) {
    let pos = line.pos, next = line.next;
    for (; ; ) {
      if (next >= 48 && next <= 57)
        pos++;
      else
        break;
      if (pos == line.text.length)
        return -1;
      next = line.text.charCodeAt(pos);
    }
    if (pos == line.pos || pos > line.pos + 9 || next != 46 && next != 41 || pos < line.text.length - 1 && !space(line.text.charCodeAt(pos + 1)) || breaking && !inList(cx, Type.OrderedList) && (line.skipSpace(pos + 1) == line.text.length || pos > line.pos + 1 || line.next != 49))
      return -1;
    return pos + 1 - line.pos;
  }
  function isAtxHeading(line) {
    if (line.next != 35)
      return -1;
    let pos = line.pos + 1;
    while (pos < line.text.length && line.text.charCodeAt(pos) == 35)
      pos++;
    if (pos < line.text.length && line.text.charCodeAt(pos) != 32)
      return -1;
    let size = pos - line.pos;
    return size > 6 ? -1 : size;
  }
  function isSetextUnderline(line) {
    if (line.next != 45 && line.next != 61 || line.indent >= line.baseIndent + 4)
      return -1;
    let pos = line.pos + 1;
    while (pos < line.text.length && line.text.charCodeAt(pos) == line.next)
      pos++;
    let end = pos;
    while (pos < line.text.length && space(line.text.charCodeAt(pos)))
      pos++;
    return pos == line.text.length ? end : -1;
  }
  var EmptyLine = /^[ \t]*$/;
  var CommentEnd = /-->/;
  var ProcessingEnd = /\?>/;
  var HTMLBlockStyle = [
    [/^<(?:script|pre|style)(?:\s|>|$)/i, /<\/(?:script|pre|style)>/i],
    [/^\s*<!--/, CommentEnd],
    [/^\s*<\?/, ProcessingEnd],
    [/^\s*<![A-Z]/, />/],
    [/^\s*<!\[CDATA\[/, /\]\]>/],
    [/^\s*<\/?(?:address|article|aside|base|basefont|blockquote|body|caption|center|col|colgroup|dd|details|dialog|dir|div|dl|dt|fieldset|figcaption|figure|footer|form|frame|frameset|h1|h2|h3|h4|h5|h6|head|header|hr|html|iframe|legend|li|link|main|menu|menuitem|nav|noframes|ol|optgroup|option|p|param|section|source|summary|table|tbody|td|tfoot|th|thead|title|tr|track|ul)(?:\s|\/?>|$)/i, EmptyLine],
    [/^\s*(?:<\/[a-z][\w-]*\s*>|<[a-z][\w-]*(\s+[a-z:_][\w-.]*(?:\s*=\s*(?:[^\s"'=<>`]+|'[^']*'|"[^"]*"))?)*\s*>)\s*$/i, EmptyLine]
  ];
  function isHTMLBlock(line, _cx, breaking) {
    if (line.next != 60)
      return -1;
    let rest = line.text.slice(line.pos);
    for (let i = 0, e = HTMLBlockStyle.length - (breaking ? 1 : 0); i < e; i++)
      if (HTMLBlockStyle[i][0].test(rest))
        return i;
    return -1;
  }
  function getListIndent(line, pos) {
    let indentAfter = line.countIndent(pos, line.pos, line.indent);
    let indented = line.countIndent(line.skipSpace(pos), pos, indentAfter);
    return indented >= indentAfter + 5 ? indentAfter + 1 : indented;
  }
  function addCodeText(marks2, from, to) {
    let last = marks2.length - 1;
    if (last >= 0 && marks2[last].to == from && marks2[last].type == Type.CodeText)
      marks2[last].to = to;
    else
      marks2.push(elt(Type.CodeText, from, to));
  }
  var DefaultBlockParsers = {
    LinkReference: void 0,
    IndentedCode(cx, line) {
      let base2 = line.baseIndent + 4;
      if (line.indent < base2)
        return false;
      let start = line.findColumn(base2);
      let from = cx.lineStart + start, to = cx.lineStart + line.text.length;
      let marks2 = [], pendingMarks = [];
      addCodeText(marks2, from, to);
      while (cx.nextLine() && line.depth >= cx.stack.length) {
        if (line.pos == line.text.length) {
          addCodeText(pendingMarks, cx.lineStart - 1, cx.lineStart);
          for (let m of line.markers)
            pendingMarks.push(m);
        } else if (line.indent < base2) {
          break;
        } else {
          if (pendingMarks.length) {
            for (let m of pendingMarks) {
              if (m.type == Type.CodeText)
                addCodeText(marks2, m.from, m.to);
              else
                marks2.push(m);
            }
            pendingMarks = [];
          }
          addCodeText(marks2, cx.lineStart - 1, cx.lineStart);
          for (let m of line.markers)
            marks2.push(m);
          to = cx.lineStart + line.text.length;
          let codeStart = cx.lineStart + line.findColumn(line.baseIndent + 4);
          if (codeStart < to)
            addCodeText(marks2, codeStart, to);
        }
      }
      if (pendingMarks.length) {
        pendingMarks = pendingMarks.filter((m) => m.type != Type.CodeText);
        if (pendingMarks.length)
          line.markers = pendingMarks.concat(line.markers);
      }
      cx.addNode(cx.buffer.writeElements(marks2, -from).finish(Type.CodeBlock, to - from), from);
      return true;
    },
    FencedCode(cx, line) {
      let fenceEnd = isFencedCode(line);
      if (fenceEnd < 0)
        return false;
      let from = cx.lineStart + line.pos, ch = line.next, len = fenceEnd - line.pos;
      let infoFrom = line.skipSpace(fenceEnd), infoTo = skipSpaceBack(line.text, line.text.length, infoFrom);
      let marks2 = [elt(Type.CodeMark, from, from + len)];
      if (infoFrom < infoTo)
        marks2.push(elt(Type.CodeInfo, cx.lineStart + infoFrom, cx.lineStart + infoTo));
      for (let first = true; cx.nextLine() && line.depth >= cx.stack.length; first = false) {
        let i = line.pos;
        if (line.indent - line.baseIndent < 4)
          while (i < line.text.length && line.text.charCodeAt(i) == ch)
            i++;
        if (i - line.pos >= len && line.skipSpace(i) == line.text.length) {
          for (let m of line.markers)
            marks2.push(m);
          marks2.push(elt(Type.CodeMark, cx.lineStart + line.pos, cx.lineStart + i));
          cx.nextLine();
          break;
        } else {
          if (!first)
            addCodeText(marks2, cx.lineStart - 1, cx.lineStart);
          for (let m of line.markers)
            marks2.push(m);
          let textStart = cx.lineStart + line.basePos, textEnd = cx.lineStart + line.text.length;
          if (textStart < textEnd)
            addCodeText(marks2, textStart, textEnd);
        }
      }
      cx.addNode(cx.buffer.writeElements(marks2, -from).finish(Type.FencedCode, cx.prevLineEnd() - from), from);
      return true;
    },
    Blockquote(cx, line) {
      let size = isBlockquote(line);
      if (size < 0)
        return false;
      cx.startContext(Type.Blockquote, line.pos);
      cx.addNode(Type.QuoteMark, cx.lineStart + line.pos, cx.lineStart + line.pos + 1);
      line.moveBase(line.pos + size);
      return null;
    },
    HorizontalRule(cx, line) {
      if (isHorizontalRule(line, cx, false) < 0)
        return false;
      let from = cx.lineStart + line.pos;
      cx.nextLine();
      cx.addNode(Type.HorizontalRule, from);
      return true;
    },
    BulletList(cx, line) {
      let size = isBulletList(line, cx, false);
      if (size < 0)
        return false;
      if (cx.block.type != Type.BulletList)
        cx.startContext(Type.BulletList, line.basePos, line.next);
      let newBase = getListIndent(line, line.pos + 1);
      cx.startContext(Type.ListItem, line.basePos, newBase - line.baseIndent);
      cx.addNode(Type.ListMark, cx.lineStart + line.pos, cx.lineStart + line.pos + size);
      line.moveBaseColumn(newBase);
      return null;
    },
    OrderedList(cx, line) {
      let size = isOrderedList(line, cx, false);
      if (size < 0)
        return false;
      if (cx.block.type != Type.OrderedList)
        cx.startContext(Type.OrderedList, line.basePos, line.text.charCodeAt(line.pos + size - 1));
      let newBase = getListIndent(line, line.pos + size);
      cx.startContext(Type.ListItem, line.basePos, newBase - line.baseIndent);
      cx.addNode(Type.ListMark, cx.lineStart + line.pos, cx.lineStart + line.pos + size);
      line.moveBaseColumn(newBase);
      return null;
    },
    ATXHeading(cx, line) {
      let size = isAtxHeading(line);
      if (size < 0)
        return false;
      let off = line.pos, from = cx.lineStart + off;
      let endOfSpace = skipSpaceBack(line.text, line.text.length, off), after = endOfSpace;
      while (after > off && line.text.charCodeAt(after - 1) == line.next)
        after--;
      if (after == endOfSpace || after == off || !space(line.text.charCodeAt(after - 1)))
        after = line.text.length;
      let buf = cx.buffer.write(Type.HeaderMark, 0, size).writeElements(cx.parser.parseInline(line.text.slice(off + size + 1, after), from + size + 1), -from);
      if (after < line.text.length)
        buf.write(Type.HeaderMark, after - off, endOfSpace - off);
      let node = buf.finish(Type.ATXHeading1 - 1 + size, line.text.length - off);
      cx.nextLine();
      cx.addNode(node, from);
      return true;
    },
    HTMLBlock(cx, line) {
      let type = isHTMLBlock(line, cx, false);
      if (type < 0)
        return false;
      let from = cx.lineStart + line.pos, end = HTMLBlockStyle[type][1];
      let marks2 = [], trailing = end != EmptyLine;
      while (!end.test(line.text) && cx.nextLine()) {
        if (line.depth < cx.stack.length) {
          trailing = false;
          break;
        }
        for (let m of line.markers)
          marks2.push(m);
      }
      if (trailing)
        cx.nextLine();
      let nodeType = end == CommentEnd ? Type.CommentBlock : end == ProcessingEnd ? Type.ProcessingInstructionBlock : Type.HTMLBlock;
      let to = cx.prevLineEnd();
      cx.addNode(cx.buffer.writeElements(marks2, -from).finish(nodeType, to - from), from);
      return true;
    },
    SetextHeading: void 0
    // Specifies relative precedence for block-continue function
  };
  var LinkReferenceParser = class {
    constructor(leaf) {
      this.stage = 0;
      this.elts = [];
      this.pos = 0;
      this.start = leaf.start;
      this.advance(leaf.content);
    }
    nextLine(cx, line, leaf) {
      if (this.stage == -1)
        return false;
      let content2 = leaf.content + "\n" + line.scrub();
      let finish = this.advance(content2);
      if (finish > -1 && finish < content2.length)
        return this.complete(cx, leaf, finish);
      return false;
    }
    finish(cx, leaf) {
      if ((this.stage == 2 || this.stage == 3) && skipSpace(leaf.content, this.pos) == leaf.content.length)
        return this.complete(cx, leaf, leaf.content.length);
      return false;
    }
    complete(cx, leaf, len) {
      cx.addLeafElement(leaf, elt(Type.LinkReference, this.start, this.start + len, this.elts));
      return true;
    }
    nextStage(elt2) {
      if (elt2) {
        this.pos = elt2.to - this.start;
        this.elts.push(elt2);
        this.stage++;
        return true;
      }
      if (elt2 === false)
        this.stage = -1;
      return false;
    }
    advance(content2) {
      for (; ; ) {
        if (this.stage == -1) {
          return -1;
        } else if (this.stage == 0) {
          if (!this.nextStage(parseLinkLabel(content2, this.pos, this.start, true)))
            return -1;
          if (content2.charCodeAt(this.pos) != 58)
            return this.stage = -1;
          this.elts.push(elt(Type.LinkMark, this.pos + this.start, this.pos + this.start + 1));
          this.pos++;
        } else if (this.stage == 1) {
          if (!this.nextStage(parseURL(content2, skipSpace(content2, this.pos), this.start)))
            return -1;
        } else if (this.stage == 2) {
          let skip = skipSpace(content2, this.pos), end = 0;
          if (skip > this.pos) {
            let title = parseLinkTitle(content2, skip, this.start);
            if (title) {
              let titleEnd = lineEnd(content2, title.to - this.start);
              if (titleEnd > 0) {
                this.nextStage(title);
                end = titleEnd;
              }
            }
          }
          if (!end)
            end = lineEnd(content2, this.pos);
          return end > 0 && end < content2.length ? end : -1;
        } else {
          return lineEnd(content2, this.pos);
        }
      }
    }
  };
  function lineEnd(text, pos) {
    for (; pos < text.length; pos++) {
      let next = text.charCodeAt(pos);
      if (next == 10)
        break;
      if (!space(next))
        return -1;
    }
    return pos;
  }
  var SetextHeadingParser = class {
    nextLine(cx, line, leaf) {
      let underline2 = line.depth < cx.stack.length ? -1 : isSetextUnderline(line);
      let next = line.next;
      if (underline2 < 0)
        return false;
      let underlineMark = elt(Type.HeaderMark, cx.lineStart + line.pos, cx.lineStart + underline2);
      cx.nextLine();
      cx.addLeafElement(leaf, elt(next == 61 ? Type.SetextHeading1 : Type.SetextHeading2, leaf.start, cx.prevLineEnd(), [
        ...cx.parser.parseInline(leaf.content, leaf.start),
        underlineMark
      ]));
      return true;
    }
    finish() {
      return false;
    }
  };
  var DefaultLeafBlocks = {
    LinkReference(_, leaf) {
      return leaf.content.charCodeAt(0) == 91 ? new LinkReferenceParser(leaf) : null;
    },
    SetextHeading() {
      return new SetextHeadingParser();
    }
  };
  var DefaultEndLeaf = [
    (_, line) => isAtxHeading(line) >= 0,
    (_, line) => isFencedCode(line) >= 0,
    (_, line) => isBlockquote(line) >= 0,
    (p, line) => isBulletList(line, p, true) >= 0,
    (p, line) => isOrderedList(line, p, true) >= 0,
    (p, line) => isHorizontalRule(line, p, true) >= 0,
    (p, line) => isHTMLBlock(line, p, true) >= 0
  ];
  var scanLineResult = { text: "", end: 0 };
  var BlockContext = class {
    /// @internal
    constructor(parser5, input, fragments, ranges) {
      this.parser = parser5;
      this.input = input;
      this.ranges = ranges;
      this.line = new Line2();
      this.atEnd = false;
      this.reusePlaceholders = /* @__PURE__ */ new Map();
      this.stoppedAt = null;
      this.rangeI = 0;
      this.to = ranges[ranges.length - 1].to;
      this.lineStart = this.absoluteLineStart = this.absoluteLineEnd = ranges[0].from;
      this.block = CompositeBlock.create(Type.Document, 0, this.lineStart, 0, 0);
      this.stack = [this.block];
      this.fragments = fragments.length ? new FragmentCursor2(fragments, input) : null;
      this.readLine();
    }
    get parsedPos() {
      return this.absoluteLineStart;
    }
    advance() {
      if (this.stoppedAt != null && this.absoluteLineStart > this.stoppedAt)
        return this.finish();
      let { line } = this;
      for (; ; ) {
        for (let markI = 0; ; ) {
          let next = line.depth < this.stack.length ? this.stack[this.stack.length - 1] : null;
          while (markI < line.markers.length && (!next || line.markers[markI].from < next.end)) {
            let mark = line.markers[markI++];
            this.addNode(mark.type, mark.from, mark.to);
          }
          if (!next)
            break;
          this.finishContext();
        }
        if (line.pos < line.text.length)
          break;
        if (!this.nextLine())
          return this.finish();
      }
      if (this.fragments && this.reuseFragment(line.basePos))
        return null;
      start: for (; ; ) {
        for (let type of this.parser.blockParsers)
          if (type) {
            let result = type(this, line);
            if (result != false) {
              if (result == true)
                return null;
              line.forward();
              continue start;
            }
          }
        break;
      }
      let leaf = new LeafBlock(this.lineStart + line.pos, line.text.slice(line.pos));
      for (let parse of this.parser.leafBlockParsers)
        if (parse) {
          let parser5 = parse(this, leaf);
          if (parser5)
            leaf.parsers.push(parser5);
        }
      lines: while (this.nextLine()) {
        if (line.pos == line.text.length)
          break;
        if (line.indent < line.baseIndent + 4) {
          for (let stop of this.parser.endLeafBlock)
            if (stop(this, line, leaf))
              break lines;
        }
        for (let parser5 of leaf.parsers)
          if (parser5.nextLine(this, line, leaf))
            return null;
        leaf.content += "\n" + line.scrub();
        for (let m of line.markers)
          leaf.marks.push(m);
      }
      this.finishLeaf(leaf);
      return null;
    }
    stopAt(pos) {
      if (this.stoppedAt != null && this.stoppedAt < pos)
        throw new RangeError("Can't move stoppedAt forward");
      this.stoppedAt = pos;
    }
    reuseFragment(start) {
      if (!this.fragments.moveTo(this.absoluteLineStart + start, this.absoluteLineStart) || !this.fragments.matches(this.block.hash))
        return false;
      let taken = this.fragments.takeNodes(this);
      if (!taken)
        return false;
      this.absoluteLineStart += taken;
      this.lineStart = toRelative(this.absoluteLineStart, this.ranges);
      this.moveRangeI();
      if (this.absoluteLineStart < this.to) {
        this.lineStart++;
        this.absoluteLineStart++;
        this.readLine();
      } else {
        this.atEnd = true;
        this.readLine();
      }
      return true;
    }
    /// The number of parent blocks surrounding the current block.
    get depth() {
      return this.stack.length;
    }
    /// Get the type of the parent block at the given depth. When no
    /// depth is passed, return the type of the innermost parent.
    parentType(depth = this.depth - 1) {
      return this.parser.nodeSet.types[this.stack[depth].type];
    }
    /// Move to the next input line. This should only be called by
    /// (non-composite) [block parsers](#BlockParser.parse) that consume
    /// the line directly, or leaf block parser
    /// [`nextLine`](#LeafBlockParser.nextLine) methods when they
    /// consume the current line (and return true).
    nextLine() {
      this.lineStart += this.line.text.length;
      if (this.absoluteLineEnd >= this.to) {
        this.absoluteLineStart = this.absoluteLineEnd;
        this.atEnd = true;
        this.readLine();
        return false;
      } else {
        this.lineStart++;
        this.absoluteLineStart = this.absoluteLineEnd + 1;
        this.moveRangeI();
        this.readLine();
        return true;
      }
    }
    moveRangeI() {
      while (this.rangeI < this.ranges.length - 1 && this.absoluteLineStart >= this.ranges[this.rangeI].to) {
        this.rangeI++;
        this.absoluteLineStart = Math.max(this.absoluteLineStart, this.ranges[this.rangeI].from);
      }
    }
    /// @internal
    scanLine(start) {
      let r = scanLineResult;
      r.end = start;
      if (start >= this.to) {
        r.text = "";
      } else {
        r.text = this.lineChunkAt(start);
        r.end += r.text.length;
        if (this.ranges.length > 1) {
          let textOffset = this.absoluteLineStart, rangeI = this.rangeI;
          while (this.ranges[rangeI].to < r.end) {
            rangeI++;
            let nextFrom = this.ranges[rangeI].from;
            let after = this.lineChunkAt(nextFrom);
            r.end = nextFrom + after.length;
            r.text = r.text.slice(0, this.ranges[rangeI - 1].to - textOffset) + after;
            textOffset = r.end - r.text.length;
          }
        }
      }
      return r;
    }
    /// @internal
    readLine() {
      let { line } = this, { text, end } = this.scanLine(this.absoluteLineStart);
      this.absoluteLineEnd = end;
      line.reset(text);
      for (; line.depth < this.stack.length; line.depth++) {
        let cx = this.stack[line.depth], handler = this.parser.skipContextMarkup[cx.type];
        if (!handler)
          throw new Error("Unhandled block context " + Type[cx.type]);
        if (!handler(cx, this, line))
          break;
        line.forward();
      }
    }
    lineChunkAt(pos) {
      let next = this.input.chunk(pos), text;
      if (!this.input.lineChunks) {
        let eol = next.indexOf("\n");
        text = eol < 0 ? next : next.slice(0, eol);
      } else {
        text = next == "\n" ? "" : next;
      }
      return pos + text.length > this.to ? text.slice(0, this.to - pos) : text;
    }
    /// The end position of the previous line.
    prevLineEnd() {
      return this.atEnd ? this.lineStart : this.lineStart - 1;
    }
    /// @internal
    startContext(type, start, value = 0) {
      this.block = CompositeBlock.create(type, value, this.lineStart + start, this.block.hash, this.lineStart + this.line.text.length);
      this.stack.push(this.block);
    }
    /// Start a composite block. Should only be called from [block
    /// parser functions](#BlockParser.parse) that return null.
    startComposite(type, start, value = 0) {
      this.startContext(this.parser.getNodeType(type), start, value);
    }
    /// @internal
    addNode(block, from, to) {
      if (typeof block == "number")
        block = new Tree(this.parser.nodeSet.types[block], none4, none4, (to !== null && to !== void 0 ? to : this.prevLineEnd()) - from);
      this.block.addChild(block, from - this.block.from);
    }
    /// Add a block element. Can be called by [block
    /// parsers](#BlockParser.parse).
    addElement(elt2) {
      this.block.addChild(elt2.toTree(this.parser.nodeSet), elt2.from - this.block.from);
    }
    /// Add a block element from a [leaf parser](#LeafBlockParser). This
    /// makes sure any extra composite block markup (such as blockquote
    /// markers) inside the block are also added to the syntax tree.
    addLeafElement(leaf, elt2) {
      this.addNode(this.buffer.writeElements(injectMarks(elt2.children, leaf.marks), -elt2.from).finish(elt2.type, elt2.to - elt2.from), elt2.from);
    }
    /// @internal
    finishContext() {
      let cx = this.stack.pop();
      let top2 = this.stack[this.stack.length - 1];
      top2.addChild(cx.toTree(this.parser.nodeSet), cx.from - top2.from);
      this.block = top2;
    }
    finish() {
      while (this.stack.length > 1)
        this.finishContext();
      return this.addGaps(this.block.toTree(this.parser.nodeSet, this.lineStart));
    }
    addGaps(tree) {
      return this.ranges.length > 1 ? injectGaps(this.ranges, 0, tree.topNode, this.ranges[0].from, this.reusePlaceholders) : tree;
    }
    /// @internal
    finishLeaf(leaf) {
      for (let parser5 of leaf.parsers)
        if (parser5.finish(this, leaf))
          return;
      let inline = injectMarks(this.parser.parseInline(leaf.content, leaf.start), leaf.marks);
      this.addNode(this.buffer.writeElements(inline, -leaf.start).finish(Type.Paragraph, leaf.content.length), leaf.start);
    }
    elt(type, from, to, children) {
      if (typeof type == "string")
        return elt(this.parser.getNodeType(type), from, to, children);
      return new TreeElement(type, from);
    }
    /// @internal
    get buffer() {
      return new Buffer(this.parser.nodeSet);
    }
  };
  function injectGaps(ranges, rangeI, tree, offset, dummies) {
    let rangeEnd2 = ranges[rangeI].to;
    let children = [], positions = [], start = tree.from + offset;
    function movePastNext(upto, inclusive) {
      while (inclusive ? upto >= rangeEnd2 : upto > rangeEnd2) {
        let size = ranges[rangeI + 1].from - rangeEnd2;
        offset += size;
        upto += size;
        rangeI++;
        rangeEnd2 = ranges[rangeI].to;
      }
    }
    for (let ch = tree.firstChild; ch; ch = ch.nextSibling) {
      movePastNext(ch.from + offset, true);
      let from = ch.from + offset, node, reuse = dummies.get(ch.tree);
      if (reuse) {
        node = reuse;
      } else if (ch.to + offset > rangeEnd2) {
        node = injectGaps(ranges, rangeI, ch, offset, dummies);
        movePastNext(ch.to + offset, false);
      } else {
        node = ch.toTree();
      }
      children.push(node);
      positions.push(from - start);
    }
    movePastNext(tree.to + offset, false);
    return new Tree(tree.type, children, positions, tree.to + offset - start, tree.tree ? tree.tree.propValues : void 0);
  }
  var MarkdownParser = class _MarkdownParser extends Parser {
    /// @internal
    constructor(nodeSet, blockParsers, leafBlockParsers, blockNames, endLeafBlock, skipContextMarkup, inlineParsers, inlineNames, wrappers) {
      super();
      this.nodeSet = nodeSet;
      this.blockParsers = blockParsers;
      this.leafBlockParsers = leafBlockParsers;
      this.blockNames = blockNames;
      this.endLeafBlock = endLeafBlock;
      this.skipContextMarkup = skipContextMarkup;
      this.inlineParsers = inlineParsers;
      this.inlineNames = inlineNames;
      this.wrappers = wrappers;
      this.nodeTypes = /* @__PURE__ */ Object.create(null);
      for (let t2 of nodeSet.types)
        this.nodeTypes[t2.name] = t2.id;
    }
    createParse(input, fragments, ranges) {
      let parse = new BlockContext(this, input, fragments, ranges);
      for (let w of this.wrappers)
        parse = w(parse, input, fragments, ranges);
      return parse;
    }
    /// Reconfigure the parser.
    configure(spec) {
      let config2 = resolveConfig(spec);
      if (!config2)
        return this;
      let { nodeSet, skipContextMarkup } = this;
      let blockParsers = this.blockParsers.slice(), leafBlockParsers = this.leafBlockParsers.slice(), blockNames = this.blockNames.slice(), inlineParsers = this.inlineParsers.slice(), inlineNames = this.inlineNames.slice(), endLeafBlock = this.endLeafBlock.slice(), wrappers = this.wrappers;
      if (nonEmpty(config2.defineNodes)) {
        skipContextMarkup = Object.assign({}, skipContextMarkup);
        let nodeTypes2 = nodeSet.types.slice(), styles;
        for (let s of config2.defineNodes) {
          let { name: name2, block, composite, style } = typeof s == "string" ? { name: s } : s;
          if (nodeTypes2.some((t2) => t2.name == name2))
            continue;
          if (composite)
            skipContextMarkup[nodeTypes2.length] = (bl, cx, line) => composite(cx, line, bl.value);
          let id2 = nodeTypes2.length;
          let group = composite ? ["Block", "BlockContext"] : !block ? void 0 : id2 >= Type.ATXHeading1 && id2 <= Type.SetextHeading2 ? ["Block", "LeafBlock", "Heading"] : ["Block", "LeafBlock"];
          nodeTypes2.push(NodeType.define({
            id: id2,
            name: name2,
            props: group && [[NodeProp.group, group]]
          }));
          if (style) {
            if (!styles)
              styles = {};
            if (Array.isArray(style) || style instanceof Tag)
              styles[name2] = style;
            else
              Object.assign(styles, style);
          }
        }
        nodeSet = new NodeSet(nodeTypes2);
        if (styles)
          nodeSet = nodeSet.extend(styleTags(styles));
      }
      if (nonEmpty(config2.props))
        nodeSet = nodeSet.extend(...config2.props);
      if (nonEmpty(config2.remove)) {
        for (let rm2 of config2.remove) {
          let block = this.blockNames.indexOf(rm2), inline = this.inlineNames.indexOf(rm2);
          if (block > -1)
            blockParsers[block] = leafBlockParsers[block] = void 0;
          if (inline > -1)
            inlineParsers[inline] = void 0;
        }
      }
      if (nonEmpty(config2.parseBlock)) {
        for (let spec2 of config2.parseBlock) {
          let found = blockNames.indexOf(spec2.name);
          if (found > -1) {
            blockParsers[found] = spec2.parse;
            leafBlockParsers[found] = spec2.leaf;
          } else {
            let pos = spec2.before ? findName(blockNames, spec2.before) : spec2.after ? findName(blockNames, spec2.after) + 1 : blockNames.length - 1;
            blockParsers.splice(pos, 0, spec2.parse);
            leafBlockParsers.splice(pos, 0, spec2.leaf);
            blockNames.splice(pos, 0, spec2.name);
          }
          if (spec2.endLeaf)
            endLeafBlock.push(spec2.endLeaf);
        }
      }
      if (nonEmpty(config2.parseInline)) {
        for (let spec2 of config2.parseInline) {
          let found = inlineNames.indexOf(spec2.name);
          if (found > -1) {
            inlineParsers[found] = spec2.parse;
          } else {
            let pos = spec2.before ? findName(inlineNames, spec2.before) : spec2.after ? findName(inlineNames, spec2.after) + 1 : inlineNames.length - 1;
            inlineParsers.splice(pos, 0, spec2.parse);
            inlineNames.splice(pos, 0, spec2.name);
          }
        }
      }
      if (config2.wrap)
        wrappers = wrappers.concat(config2.wrap);
      return new _MarkdownParser(nodeSet, blockParsers, leafBlockParsers, blockNames, endLeafBlock, skipContextMarkup, inlineParsers, inlineNames, wrappers);
    }
    /// @internal
    getNodeType(name2) {
      let found = this.nodeTypes[name2];
      if (found == null)
        throw new RangeError(`Unknown node type '${name2}'`);
      return found;
    }
    /// Parse the given piece of inline text at the given offset,
    /// returning an array of [`Element`](#Element) objects representing
    /// the inline content.
    parseInline(text, offset) {
      let cx = new InlineContext(this, text, offset);
      outer: for (let pos = offset; pos < cx.end; ) {
        let next = cx.char(pos);
        for (let token of this.inlineParsers)
          if (token) {
            let result = token(cx, next, pos);
            if (result >= 0) {
              pos = result;
              continue outer;
            }
          }
        pos++;
      }
      return cx.resolveMarkers(0);
    }
  };
  function nonEmpty(a) {
    return a != null && a.length > 0;
  }
  function resolveConfig(spec) {
    if (!Array.isArray(spec))
      return spec;
    if (spec.length == 0)
      return null;
    let conf = resolveConfig(spec[0]);
    if (spec.length == 1)
      return conf;
    let rest = resolveConfig(spec.slice(1));
    if (!rest || !conf)
      return conf || rest;
    let conc2 = (a, b) => (a || none4).concat(b || none4);
    let wrapA = conf.wrap, wrapB = rest.wrap;
    return {
      props: conc2(conf.props, rest.props),
      defineNodes: conc2(conf.defineNodes, rest.defineNodes),
      parseBlock: conc2(conf.parseBlock, rest.parseBlock),
      parseInline: conc2(conf.parseInline, rest.parseInline),
      remove: conc2(conf.remove, rest.remove),
      wrap: !wrapA ? wrapB : !wrapB ? wrapA : (inner, input, fragments, ranges) => wrapA(wrapB(inner, input, fragments, ranges), input, fragments, ranges)
    };
  }
  function findName(names, name2) {
    let found = names.indexOf(name2);
    if (found < 0)
      throw new RangeError(`Position specified relative to unknown parser ${name2}`);
    return found;
  }
  var nodeTypes = [NodeType.none];
  for (let i = 1, name2; name2 = Type[i]; i++) {
    nodeTypes[i] = NodeType.define({
      id: i,
      name: name2,
      props: i >= Type.Escape ? [] : [[NodeProp.group, i in DefaultSkipMarkup ? ["Block", "BlockContext"] : ["Block", "LeafBlock"]]],
      top: name2 == "Document"
    });
  }
  var none4 = [];
  var Buffer = class {
    constructor(nodeSet) {
      this.nodeSet = nodeSet;
      this.content = [];
      this.nodes = [];
    }
    write(type, from, to, children = 0) {
      this.content.push(type, from, to, 4 + children * 4);
      return this;
    }
    writeElements(elts, offset = 0) {
      for (let e of elts)
        e.writeTo(this, offset);
      return this;
    }
    finish(type, length) {
      return Tree.build({
        buffer: this.content,
        nodeSet: this.nodeSet,
        reused: this.nodes,
        topID: type,
        length
      });
    }
  };
  var Element = class {
    /// @internal
    constructor(type, from, to, children = none4) {
      this.type = type;
      this.from = from;
      this.to = to;
      this.children = children;
    }
    /// @internal
    writeTo(buf, offset) {
      let startOff = buf.content.length;
      buf.writeElements(this.children, offset);
      buf.content.push(this.type, this.from + offset, this.to + offset, buf.content.length + 4 - startOff);
    }
    /// @internal
    toTree(nodeSet) {
      return new Buffer(nodeSet).writeElements(this.children, -this.from).finish(this.type, this.to - this.from);
    }
  };
  var TreeElement = class {
    constructor(tree, from) {
      this.tree = tree;
      this.from = from;
    }
    get to() {
      return this.from + this.tree.length;
    }
    get type() {
      return this.tree.type.id;
    }
    get children() {
      return none4;
    }
    writeTo(buf, offset) {
      buf.nodes.push(this.tree);
      buf.content.push(buf.nodes.length - 1, this.from + offset, this.to + offset, -1);
    }
    toTree() {
      return this.tree;
    }
  };
  function elt(type, from, to, children) {
    return new Element(type, from, to, children);
  }
  var EmphasisUnderscore = { resolve: "Emphasis", mark: "EmphasisMark" };
  var EmphasisAsterisk = { resolve: "Emphasis", mark: "EmphasisMark" };
  var LinkStart = {};
  var ImageStart = {};
  var InlineDelimiter = class {
    constructor(type, from, to, side) {
      this.type = type;
      this.from = from;
      this.to = to;
      this.side = side;
    }
  };
  var Escapable = "!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~";
  var Punctuation = /[!"#$%&'()*+,\-.\/:;<=>?@\[\\\]^_`{|}~\xA1\u2010-\u2027]/;
  try {
    Punctuation = new RegExp("[\\p{Pc}|\\p{Pd}|\\p{Pe}|\\p{Pf}|\\p{Pi}|\\p{Po}|\\p{Ps}]", "u");
  } catch (_) {
  }
  var DefaultInline = {
    Escape(cx, next, start) {
      if (next != 92 || start == cx.end - 1)
        return -1;
      let escaped = cx.char(start + 1);
      for (let i = 0; i < Escapable.length; i++)
        if (Escapable.charCodeAt(i) == escaped)
          return cx.append(elt(Type.Escape, start, start + 2));
      return -1;
    },
    Entity(cx, next, start) {
      if (next != 38)
        return -1;
      let m = /^(?:#\d+|#x[a-f\d]+|\w+);/i.exec(cx.slice(start + 1, start + 31));
      return m ? cx.append(elt(Type.Entity, start, start + 1 + m[0].length)) : -1;
    },
    InlineCode(cx, next, start) {
      if (next != 96 || start && cx.char(start - 1) == 96)
        return -1;
      let pos = start + 1;
      while (pos < cx.end && cx.char(pos) == 96)
        pos++;
      let size = pos - start, curSize = 0;
      for (; pos < cx.end; pos++) {
        if (cx.char(pos) == 96) {
          curSize++;
          if (curSize == size && cx.char(pos + 1) != 96)
            return cx.append(elt(Type.InlineCode, start, pos + 1, [
              elt(Type.CodeMark, start, start + size),
              elt(Type.CodeMark, pos + 1 - size, pos + 1)
            ]));
        } else {
          curSize = 0;
        }
      }
      return -1;
    },
    HTMLTag(cx, next, start) {
      if (next != 60 || start == cx.end - 1)
        return -1;
      let after = cx.slice(start + 1, cx.end);
      let url = /^(?:[a-z][-\w+.]+:[^\s>]+|[a-z\d.!#$%&'*+/=?^_`{|}~-]+@[a-z\d](?:[a-z\d-]{0,61}[a-z\d])?(?:\.[a-z\d](?:[a-z\d-]{0,61}[a-z\d])?)*)>/i.exec(after);
      if (url) {
        return cx.append(elt(Type.Autolink, start, start + 1 + url[0].length, [
          elt(Type.LinkMark, start, start + 1),
          // url[0] includes the closing bracket, so exclude it from this slice
          elt(Type.URL, start + 1, start + url[0].length),
          elt(Type.LinkMark, start + url[0].length, start + 1 + url[0].length)
        ]));
      }
      let comment2 = /^!--[^>](?:-[^-]|[^-])*?-->/i.exec(after);
      if (comment2)
        return cx.append(elt(Type.Comment, start, start + 1 + comment2[0].length));
      let procInst = /^\?[^]*?\?>/.exec(after);
      if (procInst)
        return cx.append(elt(Type.ProcessingInstruction, start, start + 1 + procInst[0].length));
      let m = /^(?:![A-Z][^]*?>|!\[CDATA\[[^]*?\]\]>|\/\s*[a-zA-Z][\w-]*\s*>|\s*[a-zA-Z][\w-]*(\s+[a-zA-Z:_][\w-.:]*(?:\s*=\s*(?:[^\s"'=<>`]+|'[^']*'|"[^"]*"))?)*\s*(\/\s*)?>)/.exec(after);
      if (!m)
        return -1;
      return cx.append(elt(Type.HTMLTag, start, start + 1 + m[0].length));
    },
    Emphasis(cx, next, start) {
      if (next != 95 && next != 42)
        return -1;
      let pos = start + 1;
      while (cx.char(pos) == next)
        pos++;
      let before = cx.slice(start - 1, start), after = cx.slice(pos, pos + 1);
      let pBefore = Punctuation.test(before), pAfter = Punctuation.test(after);
      let sBefore = /\s|^$/.test(before), sAfter = /\s|^$/.test(after);
      let leftFlanking = !sAfter && (!pAfter || sBefore || pBefore);
      let rightFlanking = !sBefore && (!pBefore || sAfter || pAfter);
      let canOpen = leftFlanking && (next == 42 || !rightFlanking || pBefore);
      let canClose = rightFlanking && (next == 42 || !leftFlanking || pAfter);
      return cx.append(new InlineDelimiter(next == 95 ? EmphasisUnderscore : EmphasisAsterisk, start, pos, (canOpen ? 1 : 0) | (canClose ? 2 : 0)));
    },
    HardBreak(cx, next, start) {
      if (next == 92 && cx.char(start + 1) == 10)
        return cx.append(elt(Type.HardBreak, start, start + 2));
      if (next == 32) {
        let pos = start + 1;
        while (cx.char(pos) == 32)
          pos++;
        if (cx.char(pos) == 10 && pos >= start + 2)
          return cx.append(elt(Type.HardBreak, start, pos + 1));
      }
      return -1;
    },
    Link(cx, next, start) {
      return next == 91 ? cx.append(new InlineDelimiter(
        LinkStart,
        start,
        start + 1,
        1
        /* Mark.Open */
      )) : -1;
    },
    Image(cx, next, start) {
      return next == 33 && cx.char(start + 1) == 91 ? cx.append(new InlineDelimiter(
        ImageStart,
        start,
        start + 2,
        1
        /* Mark.Open */
      )) : -1;
    },
    LinkEnd(cx, next, start) {
      if (next != 93)
        return -1;
      for (let i = cx.parts.length - 1; i >= 0; i--) {
        let part = cx.parts[i];
        if (part instanceof InlineDelimiter && (part.type == LinkStart || part.type == ImageStart)) {
          if (!part.side || cx.skipSpace(part.to) == start && !/[(\[]/.test(cx.slice(start + 1, start + 2))) {
            cx.parts[i] = null;
            return -1;
          }
          let content2 = cx.takeContent(i);
          let link = cx.parts[i] = finishLink(cx, content2, part.type == LinkStart ? Type.Link : Type.Image, part.from, start + 1);
          if (part.type == LinkStart)
            for (let j = 0; j < i; j++) {
              let p = cx.parts[j];
              if (p instanceof InlineDelimiter && p.type == LinkStart)
                p.side = 0;
            }
          return link.to;
        }
      }
      return -1;
    }
  };
  function finishLink(cx, content2, type, start, startPos) {
    let { text } = cx, next = cx.char(startPos), endPos = startPos;
    content2.unshift(elt(Type.LinkMark, start, start + (type == Type.Image ? 2 : 1)));
    content2.push(elt(Type.LinkMark, startPos - 1, startPos));
    if (next == 40) {
      let pos = cx.skipSpace(startPos + 1);
      let dest = parseURL(text, pos - cx.offset, cx.offset), title;
      if (dest) {
        pos = cx.skipSpace(dest.to);
        if (pos != dest.to) {
          title = parseLinkTitle(text, pos - cx.offset, cx.offset);
          if (title)
            pos = cx.skipSpace(title.to);
        }
      }
      if (cx.char(pos) == 41) {
        content2.push(elt(Type.LinkMark, startPos, startPos + 1));
        endPos = pos + 1;
        if (dest)
          content2.push(dest);
        if (title)
          content2.push(title);
        content2.push(elt(Type.LinkMark, pos, endPos));
      }
    } else if (next == 91) {
      let label = parseLinkLabel(text, startPos - cx.offset, cx.offset, false);
      if (label) {
        content2.push(label);
        endPos = label.to;
      }
    }
    return elt(type, start, endPos, content2);
  }
  function parseURL(text, start, offset) {
    let next = text.charCodeAt(start);
    if (next == 60) {
      for (let pos = start + 1; pos < text.length; pos++) {
        let ch = text.charCodeAt(pos);
        if (ch == 62)
          return elt(Type.URL, start + offset, pos + 1 + offset);
        if (ch == 60 || ch == 10)
          return false;
      }
      return null;
    } else {
      let depth = 0, pos = start;
      for (let escaped = false; pos < text.length; pos++) {
        let ch = text.charCodeAt(pos);
        if (space(ch)) {
          break;
        } else if (escaped) {
          escaped = false;
        } else if (ch == 40) {
          depth++;
        } else if (ch == 41) {
          if (!depth)
            break;
          depth--;
        } else if (ch == 92) {
          escaped = true;
        }
      }
      return pos > start ? elt(Type.URL, start + offset, pos + offset) : pos == text.length ? null : false;
    }
  }
  function parseLinkTitle(text, start, offset) {
    let next = text.charCodeAt(start);
    if (next != 39 && next != 34 && next != 40)
      return false;
    let end = next == 40 ? 41 : next;
    for (let pos = start + 1, escaped = false; pos < text.length; pos++) {
      let ch = text.charCodeAt(pos);
      if (escaped)
        escaped = false;
      else if (ch == end)
        return elt(Type.LinkTitle, start + offset, pos + 1 + offset);
      else if (ch == 92)
        escaped = true;
    }
    return null;
  }
  function parseLinkLabel(text, start, offset, requireNonWS) {
    for (let escaped = false, pos = start + 1, end = Math.min(text.length, pos + 999); pos < end; pos++) {
      let ch = text.charCodeAt(pos);
      if (escaped)
        escaped = false;
      else if (ch == 93)
        return requireNonWS ? false : elt(Type.LinkLabel, start + offset, pos + 1 + offset);
      else {
        if (requireNonWS && !space(ch))
          requireNonWS = false;
        if (ch == 91)
          return false;
        else if (ch == 92)
          escaped = true;
      }
    }
    return null;
  }
  var InlineContext = class {
    /// @internal
    constructor(parser5, text, offset) {
      this.parser = parser5;
      this.text = text;
      this.offset = offset;
      this.parts = [];
    }
    /// Get the character code at the given (document-relative)
    /// position.
    char(pos) {
      return pos >= this.end ? -1 : this.text.charCodeAt(pos - this.offset);
    }
    /// The position of the end of this inline section.
    get end() {
      return this.offset + this.text.length;
    }
    /// Get a substring of this inline section. Again uses
    /// document-relative positions.
    slice(from, to) {
      return this.text.slice(from - this.offset, to - this.offset);
    }
    /// @internal
    append(elt2) {
      this.parts.push(elt2);
      return elt2.to;
    }
    /// Add a [delimiter](#DelimiterType) at this given position. `open`
    /// and `close` indicate whether this delimiter is opening, closing,
    /// or both. Returns the end of the delimiter, for convenient
    /// returning from [parse functions](#InlineParser.parse).
    addDelimiter(type, from, to, open, close) {
      return this.append(new InlineDelimiter(type, from, to, (open ? 1 : 0) | (close ? 2 : 0)));
    }
    /// Returns true when there is an unmatched link or image opening
    /// token before the current position.
    get hasOpenLink() {
      for (let i = this.parts.length - 1; i >= 0; i--) {
        let part = this.parts[i];
        if (part instanceof InlineDelimiter && (part.type == LinkStart || part.type == ImageStart))
          return true;
      }
      return false;
    }
    /// Add an inline element. Returns the end of the element.
    addElement(elt2) {
      return this.append(elt2);
    }
    /// Resolve markers between this.parts.length and from, wrapping matched markers in the
    /// appropriate node and updating the content of this.parts. @internal
    resolveMarkers(from) {
      for (let i = from; i < this.parts.length; i++) {
        let close = this.parts[i];
        if (!(close instanceof InlineDelimiter && close.type.resolve && close.side & 2))
          continue;
        let emp = close.type == EmphasisUnderscore || close.type == EmphasisAsterisk;
        let closeSize = close.to - close.from;
        let open, j = i - 1;
        for (; j >= from; j--) {
          let part = this.parts[j];
          if (part instanceof InlineDelimiter && part.side & 1 && part.type == close.type && // Ignore emphasis delimiters where the character count doesn't match
          !(emp && (close.side & 1 || part.side & 2) && (part.to - part.from + closeSize) % 3 == 0 && ((part.to - part.from) % 3 || closeSize % 3))) {
            open = part;
            break;
          }
        }
        if (!open)
          continue;
        let type = close.type.resolve, content2 = [];
        let start = open.from, end = close.to;
        if (emp) {
          let size = Math.min(2, open.to - open.from, closeSize);
          start = open.to - size;
          end = close.from + size;
          type = size == 1 ? "Emphasis" : "StrongEmphasis";
        }
        if (open.type.mark)
          content2.push(this.elt(open.type.mark, start, open.to));
        for (let k = j + 1; k < i; k++) {
          if (this.parts[k] instanceof Element)
            content2.push(this.parts[k]);
          this.parts[k] = null;
        }
        if (close.type.mark)
          content2.push(this.elt(close.type.mark, close.from, end));
        let element = this.elt(type, start, end, content2);
        this.parts[j] = emp && open.from != start ? new InlineDelimiter(open.type, open.from, start, open.side) : null;
        let keep = this.parts[i] = emp && close.to != end ? new InlineDelimiter(close.type, end, close.to, close.side) : null;
        if (keep)
          this.parts.splice(i, 0, element);
        else
          this.parts[i] = element;
      }
      let result = [];
      for (let i = from; i < this.parts.length; i++) {
        let part = this.parts[i];
        if (part instanceof Element)
          result.push(part);
      }
      return result;
    }
    /// Find an opening delimiter of the given type. Returns `null` if
    /// no delimiter is found, or an index that can be passed to
    /// [`takeContent`](#InlineContext.takeContent) otherwise.
    findOpeningDelimiter(type) {
      for (let i = this.parts.length - 1; i >= 0; i--) {
        let part = this.parts[i];
        if (part instanceof InlineDelimiter && part.type == type)
          return i;
      }
      return null;
    }
    /// Remove all inline elements and delimiters starting from the
    /// given index (which you should get from
    /// [`findOpeningDelimiter`](#InlineContext.findOpeningDelimiter),
    /// resolve delimiters inside of them, and return them as an array
    /// of elements.
    takeContent(startIndex) {
      let content2 = this.resolveMarkers(startIndex);
      this.parts.length = startIndex;
      return content2;
    }
    /// Skip space after the given (document) position, returning either
    /// the position of the next non-space character or the end of the
    /// section.
    skipSpace(from) {
      return skipSpace(this.text, from - this.offset) + this.offset;
    }
    elt(type, from, to, children) {
      if (typeof type == "string")
        return elt(this.parser.getNodeType(type), from, to, children);
      return new TreeElement(type, from);
    }
  };
  function injectMarks(elements, marks2) {
    if (!marks2.length)
      return elements;
    if (!elements.length)
      return marks2;
    let elts = elements.slice(), eI = 0;
    for (let mark of marks2) {
      while (eI < elts.length && elts[eI].to < mark.to)
        eI++;
      if (eI < elts.length && elts[eI].from < mark.from) {
        let e = elts[eI];
        if (e instanceof Element)
          elts[eI] = new Element(e.type, e.from, e.to, injectMarks(e.children, [mark]));
      } else {
        elts.splice(eI++, 0, mark);
      }
    }
    return elts;
  }
  var NotLast = [Type.CodeBlock, Type.ListItem, Type.OrderedList, Type.BulletList];
  var FragmentCursor2 = class {
    constructor(fragments, input) {
      this.fragments = fragments;
      this.input = input;
      this.i = 0;
      this.fragment = null;
      this.fragmentEnd = -1;
      this.cursor = null;
      if (fragments.length)
        this.fragment = fragments[this.i++];
    }
    nextFragment() {
      this.fragment = this.i < this.fragments.length ? this.fragments[this.i++] : null;
      this.cursor = null;
      this.fragmentEnd = -1;
    }
    moveTo(pos, lineStart) {
      while (this.fragment && this.fragment.to <= pos)
        this.nextFragment();
      if (!this.fragment || this.fragment.from > (pos ? pos - 1 : 0))
        return false;
      if (this.fragmentEnd < 0) {
        let end = this.fragment.to;
        while (end > 0 && this.input.read(end - 1, end) != "\n")
          end--;
        this.fragmentEnd = end ? end - 1 : 0;
      }
      let c = this.cursor;
      if (!c) {
        c = this.cursor = this.fragment.tree.cursor();
        c.firstChild();
      }
      let rPos = pos + this.fragment.offset;
      while (c.to <= rPos)
        if (!c.parent())
          return false;
      for (; ; ) {
        if (c.from >= rPos)
          return this.fragment.from <= lineStart;
        if (!c.childAfter(rPos))
          return false;
      }
    }
    matches(hash2) {
      let tree = this.cursor.tree;
      return tree && tree.prop(NodeProp.contextHash) == hash2;
    }
    takeNodes(cx) {
      let cur2 = this.cursor, off = this.fragment.offset, fragEnd = this.fragmentEnd - (this.fragment.openEnd ? 1 : 0);
      let start = cx.absoluteLineStart, end = start, blockI = cx.block.children.length;
      let prevEnd = end, prevI = blockI;
      for (; ; ) {
        if (cur2.to - off > fragEnd) {
          if (cur2.type.isAnonymous && cur2.firstChild())
            continue;
          break;
        }
        let pos = toRelative(cur2.from - off, cx.ranges);
        if (cur2.to - off <= cx.ranges[cx.rangeI].to) {
          cx.addNode(cur2.tree, pos);
        } else {
          let dummy = new Tree(cx.parser.nodeSet.types[Type.Paragraph], [], [], 0, cx.block.hashProp);
          cx.reusePlaceholders.set(dummy, cur2.tree);
          cx.addNode(dummy, pos);
        }
        if (cur2.type.is("Block")) {
          if (NotLast.indexOf(cur2.type.id) < 0) {
            end = cur2.to - off;
            blockI = cx.block.children.length;
          } else {
            end = prevEnd;
            blockI = prevI;
            prevEnd = cur2.to - off;
            prevI = cx.block.children.length;
          }
        }
        if (!cur2.nextSibling())
          break;
      }
      while (cx.block.children.length > blockI) {
        cx.block.children.pop();
        cx.block.positions.pop();
      }
      return end - start;
    }
  };
  function toRelative(abs, ranges) {
    let pos = abs;
    for (let i = 1; i < ranges.length; i++) {
      let gapFrom = ranges[i - 1].to, gapTo = ranges[i].from;
      if (gapFrom < abs)
        pos -= gapTo - gapFrom;
    }
    return pos;
  }
  var markdownHighlighting = styleTags({
    "Blockquote/...": tags.quote,
    HorizontalRule: tags.contentSeparator,
    "ATXHeading1/... SetextHeading1/...": tags.heading1,
    "ATXHeading2/... SetextHeading2/...": tags.heading2,
    "ATXHeading3/...": tags.heading3,
    "ATXHeading4/...": tags.heading4,
    "ATXHeading5/...": tags.heading5,
    "ATXHeading6/...": tags.heading6,
    "Comment CommentBlock": tags.comment,
    Escape: tags.escape,
    Entity: tags.character,
    "Emphasis/...": tags.emphasis,
    "StrongEmphasis/...": tags.strong,
    "Link/... Image/...": tags.link,
    "OrderedList/... BulletList/...": tags.list,
    "BlockQuote/...": tags.quote,
    "InlineCode CodeText": tags.monospace,
    "URL Autolink": tags.url,
    "HeaderMark HardBreak QuoteMark ListMark LinkMark EmphasisMark CodeMark": tags.processingInstruction,
    "CodeInfo LinkLabel": tags.labelName,
    LinkTitle: tags.string,
    Paragraph: tags.content
  });
  var parser = new MarkdownParser(new NodeSet(nodeTypes).extend(markdownHighlighting), Object.keys(DefaultBlockParsers).map((n) => DefaultBlockParsers[n]), Object.keys(DefaultBlockParsers).map((n) => DefaultLeafBlocks[n]), Object.keys(DefaultBlockParsers), DefaultEndLeaf, DefaultSkipMarkup, Object.keys(DefaultInline).map((n) => DefaultInline[n]), Object.keys(DefaultInline), []);
  function leftOverSpace(node, from, to) {
    let ranges = [];
    for (let n = node.firstChild, pos = from; ; n = n.nextSibling) {
      let nextPos = n ? n.from : to;
      if (nextPos > pos)
        ranges.push({ from: pos, to: nextPos });
      if (!n)
        break;
      pos = n.to;
    }
    return ranges;
  }
  function parseCode(config2) {
    let { codeParser, htmlParser } = config2;
    let wrap = parseMixed((node, input) => {
      let id2 = node.type.id;
      if (codeParser && (id2 == Type.CodeBlock || id2 == Type.FencedCode)) {
        let info = "";
        if (id2 == Type.FencedCode) {
          let infoNode = node.node.getChild(Type.CodeInfo);
          if (infoNode)
            info = input.read(infoNode.from, infoNode.to);
        }
        let parser5 = codeParser(info);
        if (parser5)
          return { parser: parser5, overlay: (node2) => node2.type.id == Type.CodeText };
      } else if (htmlParser && (id2 == Type.HTMLBlock || id2 == Type.HTMLTag)) {
        return { parser: htmlParser, overlay: leftOverSpace(node.node, node.from, node.to) };
      }
      return null;
    });
    return { wrap };
  }
  var StrikethroughDelim = { resolve: "Strikethrough", mark: "StrikethroughMark" };
  var Strikethrough = {
    defineNodes: [{
      name: "Strikethrough",
      style: { "Strikethrough/...": tags.strikethrough }
    }, {
      name: "StrikethroughMark",
      style: tags.processingInstruction
    }],
    parseInline: [{
      name: "Strikethrough",
      parse(cx, next, pos) {
        if (next != 126 || cx.char(pos + 1) != 126 || cx.char(pos + 2) == 126)
          return -1;
        let before = cx.slice(pos - 1, pos), after = cx.slice(pos + 2, pos + 3);
        let sBefore = /\s|^$/.test(before), sAfter = /\s|^$/.test(after);
        let pBefore = Punctuation.test(before), pAfter = Punctuation.test(after);
        return cx.addDelimiter(StrikethroughDelim, pos, pos + 2, !sAfter && (!pAfter || sBefore || pBefore), !sBefore && (!pBefore || sAfter || pAfter));
      },
      after: "Emphasis"
    }]
  };
  function parseRow(cx, line, startI = 0, elts, offset = 0) {
    let count2 = 0, first = true, cellStart = -1, cellEnd = -1, esc = false;
    let parseCell = () => {
      elts.push(cx.elt("TableCell", offset + cellStart, offset + cellEnd, cx.parser.parseInline(line.slice(cellStart, cellEnd), offset + cellStart)));
    };
    for (let i = startI; i < line.length; i++) {
      let next = line.charCodeAt(i);
      if (next == 124 && !esc) {
        if (!first || cellStart > -1)
          count2++;
        first = false;
        if (elts) {
          if (cellStart > -1)
            parseCell();
          elts.push(cx.elt("TableDelimiter", i + offset, i + offset + 1));
        }
        cellStart = cellEnd = -1;
      } else if (esc || next != 32 && next != 9) {
        if (cellStart < 0)
          cellStart = i;
        cellEnd = i + 1;
      }
      esc = !esc && next == 92;
    }
    if (cellStart > -1) {
      count2++;
      if (elts)
        parseCell();
    }
    return count2;
  }
  function hasPipe(str, start) {
    for (let i = start; i < str.length; i++) {
      let next = str.charCodeAt(i);
      if (next == 124)
        return true;
      if (next == 92)
        i++;
    }
    return false;
  }
  var delimiterLine = /^\|?(\s*:?-+:?\s*\|)+(\s*:?-+:?\s*)?$/;
  var TableParser = class {
    constructor() {
      this.rows = null;
    }
    nextLine(cx, line, leaf) {
      if (this.rows == null) {
        this.rows = false;
        let lineText;
        if ((line.next == 45 || line.next == 58 || line.next == 124) && delimiterLine.test(lineText = line.text.slice(line.pos))) {
          let firstRow = [], firstCount = parseRow(cx, leaf.content, 0, firstRow, leaf.start);
          if (firstCount == parseRow(cx, lineText, line.pos))
            this.rows = [
              cx.elt("TableHeader", leaf.start, leaf.start + leaf.content.length, firstRow),
              cx.elt("TableDelimiter", cx.lineStart + line.pos, cx.lineStart + line.text.length)
            ];
        }
      } else if (this.rows) {
        let content2 = [];
        parseRow(cx, line.text, line.pos, content2, cx.lineStart);
        this.rows.push(cx.elt("TableRow", cx.lineStart + line.pos, cx.lineStart + line.text.length, content2));
      }
      return false;
    }
    finish(cx, leaf) {
      if (!this.rows)
        return false;
      cx.addLeafElement(leaf, cx.elt("Table", leaf.start, leaf.start + leaf.content.length, this.rows));
      return true;
    }
  };
  var Table = {
    defineNodes: [
      { name: "Table", block: true },
      { name: "TableHeader", style: { "TableHeader/...": tags.heading } },
      "TableRow",
      { name: "TableCell", style: tags.content },
      { name: "TableDelimiter", style: tags.processingInstruction }
    ],
    parseBlock: [{
      name: "Table",
      leaf(_, leaf) {
        return hasPipe(leaf.content, 0) ? new TableParser() : null;
      },
      endLeaf(cx, line, leaf) {
        if (leaf.parsers.some((p) => p instanceof TableParser) || !hasPipe(line.text, line.basePos))
          return false;
        let next = cx.scanLine(cx.absoluteLineEnd + 1).text;
        return delimiterLine.test(next) && parseRow(cx, line.text, line.basePos) == parseRow(cx, next, line.basePos);
      },
      before: "SetextHeading"
    }]
  };
  var TaskParser = class {
    nextLine() {
      return false;
    }
    finish(cx, leaf) {
      cx.addLeafElement(leaf, cx.elt("Task", leaf.start, leaf.start + leaf.content.length, [
        cx.elt("TaskMarker", leaf.start, leaf.start + 3),
        ...cx.parser.parseInline(leaf.content.slice(3), leaf.start + 3)
      ]));
      return true;
    }
  };
  var TaskList = {
    defineNodes: [
      { name: "Task", block: true, style: tags.list },
      { name: "TaskMarker", style: tags.atom }
    ],
    parseBlock: [{
      name: "TaskList",
      leaf(cx, leaf) {
        return /^\[[ xX]\][ \t]/.test(leaf.content) && cx.parentType().name == "ListItem" ? new TaskParser() : null;
      },
      after: "SetextHeading"
    }]
  };
  var autolinkRE = /(www\.)|(https?:\/\/)|([\w.+-]+@)|(mailto:|xmpp:)/gy;
  var urlRE = /[\w-]+(\.[\w-]+)+(\/[^\s<]*)?/gy;
  var lastTwoDomainWords = /[\w-]+\.[\w-]+($|\/)/;
  var emailRE = /[\w.+-]+@[\w-]+(\.[\w.-]+)+/gy;
  var xmppResourceRE = /\/[a-zA-Z\d@.]+/gy;
  function count(str, from, to, ch) {
    let result = 0;
    for (let i = from; i < to; i++)
      if (str[i] == ch)
        result++;
    return result;
  }
  function autolinkURLEnd(text, from) {
    urlRE.lastIndex = from;
    let m = urlRE.exec(text);
    if (!m || lastTwoDomainWords.exec(m[0])[0].indexOf("_") > -1)
      return -1;
    let end = from + m[0].length;
    for (; ; ) {
      let last = text[end - 1], m2;
      if (/[?!.,:*_~]/.test(last) || last == ")" && count(text, from, end, ")") > count(text, from, end, "("))
        end--;
      else if (last == ";" && (m2 = /&(?:#\d+|#x[a-f\d]+|\w+);$/.exec(text.slice(from, end))))
        end = from + m2.index;
      else
        break;
    }
    return end;
  }
  function autolinkEmailEnd(text, from) {
    emailRE.lastIndex = from;
    let m = emailRE.exec(text);
    if (!m)
      return -1;
    let last = m[0][m[0].length - 1];
    return last == "_" || last == "-" ? -1 : from + m[0].length - (last == "." ? 1 : 0);
  }
  var Autolink = {
    parseInline: [{
      name: "Autolink",
      parse(cx, next, absPos) {
        let pos = absPos - cx.offset;
        autolinkRE.lastIndex = pos;
        let m = autolinkRE.exec(cx.text), end = -1;
        if (!m)
          return -1;
        if (m[1] || m[2]) {
          end = autolinkURLEnd(cx.text, pos + m[0].length);
          if (end > -1 && cx.hasOpenLink) {
            let noBracket = /([^\[\]]|\[[^\]]*\])*/.exec(cx.text.slice(pos, end));
            end = pos + noBracket[0].length;
          }
        } else if (m[3]) {
          end = autolinkEmailEnd(cx.text, pos);
        } else {
          end = autolinkEmailEnd(cx.text, pos + m[0].length);
          if (end > -1 && m[0] == "xmpp:") {
            xmppResourceRE.lastIndex = end;
            m = xmppResourceRE.exec(cx.text);
            if (m)
              end = m.index + m[0].length;
          }
        }
        if (end < 0)
          return -1;
        cx.addElement(cx.elt("URL", absPos, end + cx.offset));
        return end + cx.offset;
      }
    }]
  };
  var GFM = [Table, TaskList, Strikethrough, Autolink];
  function parseSubSuper(ch, node, mark) {
    return (cx, next, pos) => {
      if (next != ch || cx.char(pos + 1) == ch)
        return -1;
      let elts = [cx.elt(mark, pos, pos + 1)];
      for (let i = pos + 1; i < cx.end; i++) {
        let next2 = cx.char(i);
        if (next2 == ch)
          return cx.addElement(cx.elt(node, pos, i + 1, elts.concat(cx.elt(mark, i, i + 1))));
        if (next2 == 92)
          elts.push(cx.elt("Escape", i, i++ + 2));
        if (space(next2))
          break;
      }
      return -1;
    };
  }
  var Superscript = {
    defineNodes: [
      { name: "Superscript", style: tags.special(tags.content) },
      { name: "SuperscriptMark", style: tags.processingInstruction }
    ],
    parseInline: [{
      name: "Superscript",
      parse: parseSubSuper(94, "Superscript", "SuperscriptMark")
    }]
  };
  var Subscript = {
    defineNodes: [
      { name: "Subscript", style: tags.special(tags.content) },
      { name: "SubscriptMark", style: tags.processingInstruction }
    ],
    parseInline: [{
      name: "Subscript",
      parse: parseSubSuper(126, "Subscript", "SubscriptMark")
    }]
  };
  var Emoji = {
    defineNodes: [{ name: "Emoji", style: tags.character }],
    parseInline: [{
      name: "Emoji",
      parse(cx, next, pos) {
        let match;
        if (next != 58 || !(match = /^[a-zA-Z_0-9]+:/.exec(cx.slice(pos + 1, cx.end))))
          return -1;
        return cx.addElement(cx.elt("Emoji", pos, pos + 1 + match[0].length));
      }
    }]
  };

  // node_modules/@lezer/lr/dist/index.js
  var Stack = class _Stack {
    /**
    @internal
    */
    constructor(p, stack, state, reducePos, pos, score2, buffer, bufferBase, curContext, lookAhead = 0, parent) {
      this.p = p;
      this.stack = stack;
      this.state = state;
      this.reducePos = reducePos;
      this.pos = pos;
      this.score = score2;
      this.buffer = buffer;
      this.bufferBase = bufferBase;
      this.curContext = curContext;
      this.lookAhead = lookAhead;
      this.parent = parent;
    }
    /**
    @internal
    */
    toString() {
      return `[${this.stack.filter((_, i) => i % 3 == 0).concat(this.state)}]@${this.pos}${this.score ? "!" + this.score : ""}`;
    }
    // Start an empty stack
    /**
    @internal
    */
    static start(p, state, pos = 0) {
      let cx = p.parser.context;
      return new _Stack(p, [], state, pos, pos, 0, [], 0, cx ? new StackContext(cx, cx.start) : null, 0, null);
    }
    /**
    The stack's current [context](#lr.ContextTracker) value, if
    any. Its type will depend on the context tracker's type
    parameter, or it will be `null` if there is no context
    tracker.
    */
    get context() {
      return this.curContext ? this.curContext.context : null;
    }
    // Push a state onto the stack, tracking its start position as well
    // as the buffer base at that point.
    /**
    @internal
    */
    pushState(state, start) {
      this.stack.push(this.state, start, this.bufferBase + this.buffer.length);
      this.state = state;
    }
    // Apply a reduce action
    /**
    @internal
    */
    reduce(action) {
      var _a2;
      let depth = action >> 19, type = action & 65535;
      let { parser: parser5 } = this.p;
      let dPrec = parser5.dynamicPrecedence(type);
      if (dPrec)
        this.score += dPrec;
      if (depth == 0) {
        this.pushState(parser5.getGoto(this.state, type, true), this.reducePos);
        if (type < parser5.minRepeatTerm)
          this.storeNode(type, this.reducePos, this.reducePos, 4, true);
        this.reduceContext(type, this.reducePos);
        return;
      }
      let base2 = this.stack.length - (depth - 1) * 3 - (action & 262144 ? 6 : 0);
      let start = base2 ? this.stack[base2 - 2] : this.p.ranges[0].from, size = this.reducePos - start;
      if (size >= 2e3 && !((_a2 = this.p.parser.nodeSet.types[type]) === null || _a2 === void 0 ? void 0 : _a2.isAnonymous)) {
        if (start == this.p.lastBigReductionStart) {
          this.p.bigReductionCount++;
          this.p.lastBigReductionSize = size;
        } else if (this.p.lastBigReductionSize < size) {
          this.p.bigReductionCount = 1;
          this.p.lastBigReductionStart = start;
          this.p.lastBigReductionSize = size;
        }
      }
      let bufferBase = base2 ? this.stack[base2 - 1] : 0, count2 = this.bufferBase + this.buffer.length - bufferBase;
      if (type < parser5.minRepeatTerm || action & 131072) {
        let pos = parser5.stateFlag(
          this.state,
          1
          /* StateFlag.Skipped */
        ) ? this.pos : this.reducePos;
        this.storeNode(type, start, pos, count2 + 4, true);
      }
      if (action & 262144) {
        this.state = this.stack[base2];
      } else {
        let baseStateID = this.stack[base2 - 3];
        this.state = parser5.getGoto(baseStateID, type, true);
      }
      while (this.stack.length > base2)
        this.stack.pop();
      this.reduceContext(type, start);
    }
    // Shift a value into the buffer
    /**
    @internal
    */
    storeNode(term, start, end, size = 4, isReduce = false) {
      if (term == 0 && (!this.stack.length || this.stack[this.stack.length - 1] < this.buffer.length + this.bufferBase)) {
        let cur2 = this, top2 = this.buffer.length;
        if (top2 == 0 && cur2.parent) {
          top2 = cur2.bufferBase - cur2.parent.bufferBase;
          cur2 = cur2.parent;
        }
        if (top2 > 0 && cur2.buffer[top2 - 4] == 0 && cur2.buffer[top2 - 1] > -1) {
          if (start == end)
            return;
          if (cur2.buffer[top2 - 2] >= start) {
            cur2.buffer[top2 - 2] = end;
            return;
          }
        }
      }
      if (!isReduce || this.pos == end) {
        this.buffer.push(term, start, end, size);
      } else {
        let index = this.buffer.length;
        if (index > 0 && this.buffer[index - 4] != 0)
          while (index > 0 && this.buffer[index - 2] > end) {
            this.buffer[index] = this.buffer[index - 4];
            this.buffer[index + 1] = this.buffer[index - 3];
            this.buffer[index + 2] = this.buffer[index - 2];
            this.buffer[index + 3] = this.buffer[index - 1];
            index -= 4;
            if (size > 4)
              size -= 4;
          }
        this.buffer[index] = term;
        this.buffer[index + 1] = start;
        this.buffer[index + 2] = end;
        this.buffer[index + 3] = size;
      }
    }
    // Apply a shift action
    /**
    @internal
    */
    shift(action, type, start, end) {
      if (action & 131072) {
        this.pushState(action & 65535, this.pos);
      } else if ((action & 262144) == 0) {
        let nextState = action, { parser: parser5 } = this.p;
        if (end > this.pos || type <= parser5.maxNode) {
          this.pos = end;
          if (!parser5.stateFlag(
            nextState,
            1
            /* StateFlag.Skipped */
          ))
            this.reducePos = end;
        }
        this.pushState(nextState, start);
        this.shiftContext(type, start);
        if (type <= parser5.maxNode)
          this.buffer.push(type, start, end, 4);
      } else {
        this.pos = end;
        this.shiftContext(type, start);
        if (type <= this.p.parser.maxNode)
          this.buffer.push(type, start, end, 4);
      }
    }
    // Apply an action
    /**
    @internal
    */
    apply(action, next, nextStart, nextEnd) {
      if (action & 65536)
        this.reduce(action);
      else
        this.shift(action, next, nextStart, nextEnd);
    }
    // Add a prebuilt (reused) node into the buffer.
    /**
    @internal
    */
    useNode(value, next) {
      let index = this.p.reused.length - 1;
      if (index < 0 || this.p.reused[index] != value) {
        this.p.reused.push(value);
        index++;
      }
      let start = this.pos;
      this.reducePos = this.pos = start + value.length;
      this.pushState(next, start);
      this.buffer.push(
        index,
        start,
        this.reducePos,
        -1
        /* size == -1 means this is a reused value */
      );
      if (this.curContext)
        this.updateContext(this.curContext.tracker.reuse(this.curContext.context, value, this, this.p.stream.reset(this.pos - value.length)));
    }
    // Split the stack. Due to the buffer sharing and the fact
    // that `this.stack` tends to stay quite shallow, this isn't very
    // expensive.
    /**
    @internal
    */
    split() {
      let parent = this;
      let off = parent.buffer.length;
      while (off > 0 && parent.buffer[off - 2] > parent.reducePos)
        off -= 4;
      let buffer = parent.buffer.slice(off), base2 = parent.bufferBase + off;
      while (parent && base2 == parent.bufferBase)
        parent = parent.parent;
      return new _Stack(this.p, this.stack.slice(), this.state, this.reducePos, this.pos, this.score, buffer, base2, this.curContext, this.lookAhead, parent);
    }
    // Try to recover from an error by 'deleting' (ignoring) one token.
    /**
    @internal
    */
    recoverByDelete(next, nextEnd) {
      let isNode = next <= this.p.parser.maxNode;
      if (isNode)
        this.storeNode(next, this.pos, nextEnd, 4);
      this.storeNode(0, this.pos, nextEnd, isNode ? 8 : 4);
      this.pos = this.reducePos = nextEnd;
      this.score -= 190;
    }
    /**
    Check if the given term would be able to be shifted (optionally
    after some reductions) on this stack. This can be useful for
    external tokenizers that want to make sure they only provide a
    given token when it applies.
    */
    canShift(term) {
      for (let sim = new SimulatedStack(this); ; ) {
        let action = this.p.parser.stateSlot(
          sim.state,
          4
          /* ParseState.DefaultReduce */
        ) || this.p.parser.hasAction(sim.state, term);
        if (action == 0)
          return false;
        if ((action & 65536) == 0)
          return true;
        sim.reduce(action);
      }
    }
    // Apply up to Recover.MaxNext recovery actions that conceptually
    // inserts some missing token or rule.
    /**
    @internal
    */
    recoverByInsert(next) {
      if (this.stack.length >= 300)
        return [];
      let nextStates = this.p.parser.nextStates(this.state);
      if (nextStates.length > 4 << 1 || this.stack.length >= 120) {
        let best = [];
        for (let i = 0, s; i < nextStates.length; i += 2) {
          if ((s = nextStates[i + 1]) != this.state && this.p.parser.hasAction(s, next))
            best.push(nextStates[i], s);
        }
        if (this.stack.length < 120)
          for (let i = 0; best.length < 4 << 1 && i < nextStates.length; i += 2) {
            let s = nextStates[i + 1];
            if (!best.some((v, i2) => i2 & 1 && v == s))
              best.push(nextStates[i], s);
          }
        nextStates = best;
      }
      let result = [];
      for (let i = 0; i < nextStates.length && result.length < 4; i += 2) {
        let s = nextStates[i + 1];
        if (s == this.state)
          continue;
        let stack = this.split();
        stack.pushState(s, this.pos);
        stack.storeNode(0, stack.pos, stack.pos, 4, true);
        stack.shiftContext(nextStates[i], this.pos);
        stack.reducePos = this.pos;
        stack.score -= 200;
        result.push(stack);
      }
      return result;
    }
    // Force a reduce, if possible. Return false if that can't
    // be done.
    /**
    @internal
    */
    forceReduce() {
      let { parser: parser5 } = this.p;
      let reduce = parser5.stateSlot(
        this.state,
        5
        /* ParseState.ForcedReduce */
      );
      if ((reduce & 65536) == 0)
        return false;
      if (!parser5.validAction(this.state, reduce)) {
        let depth = reduce >> 19, term = reduce & 65535;
        let target = this.stack.length - depth * 3;
        if (target < 0 || parser5.getGoto(this.stack[target], term, false) < 0) {
          let backup = this.findForcedReduction();
          if (backup == null)
            return false;
          reduce = backup;
        }
        this.storeNode(0, this.pos, this.pos, 4, true);
        this.score -= 100;
      }
      this.reducePos = this.pos;
      this.reduce(reduce);
      return true;
    }
    /**
    Try to scan through the automaton to find some kind of reduction
    that can be applied. Used when the regular ForcedReduce field
    isn't a valid action. @internal
    */
    findForcedReduction() {
      let { parser: parser5 } = this.p, seen = [];
      let explore = (state, depth) => {
        if (seen.includes(state))
          return;
        seen.push(state);
        return parser5.allActions(state, (action) => {
          if (action & (262144 | 131072)) ;
          else if (action & 65536) {
            let rDepth = (action >> 19) - depth;
            if (rDepth > 1) {
              let term = action & 65535, target = this.stack.length - rDepth * 3;
              if (target >= 0 && parser5.getGoto(this.stack[target], term, false) >= 0)
                return rDepth << 19 | 65536 | term;
            }
          } else {
            let found = explore(action, depth + 1);
            if (found != null)
              return found;
          }
        });
      };
      return explore(this.state, 0);
    }
    /**
    @internal
    */
    forceAll() {
      while (!this.p.parser.stateFlag(
        this.state,
        2
        /* StateFlag.Accepting */
      )) {
        if (!this.forceReduce()) {
          this.storeNode(0, this.pos, this.pos, 4, true);
          break;
        }
      }
      return this;
    }
    /**
    Check whether this state has no further actions (assumed to be a direct descendant of the
    top state, since any other states must be able to continue
    somehow). @internal
    */
    get deadEnd() {
      if (this.stack.length != 3)
        return false;
      let { parser: parser5 } = this.p;
      return parser5.data[parser5.stateSlot(
        this.state,
        1
        /* ParseState.Actions */
      )] == 65535 && !parser5.stateSlot(
        this.state,
        4
        /* ParseState.DefaultReduce */
      );
    }
    /**
    Restart the stack (put it back in its start state). Only safe
    when this.stack.length == 3 (state is directly below the top
    state). @internal
    */
    restart() {
      this.storeNode(0, this.pos, this.pos, 4, true);
      this.state = this.stack[0];
      this.stack.length = 0;
    }
    /**
    @internal
    */
    sameState(other) {
      if (this.state != other.state || this.stack.length != other.stack.length)
        return false;
      for (let i = 0; i < this.stack.length; i += 3)
        if (this.stack[i] != other.stack[i])
          return false;
      return true;
    }
    /**
    Get the parser used by this stack.
    */
    get parser() {
      return this.p.parser;
    }
    /**
    Test whether a given dialect (by numeric ID, as exported from
    the terms file) is enabled.
    */
    dialectEnabled(dialectID) {
      return this.p.parser.dialect.flags[dialectID];
    }
    shiftContext(term, start) {
      if (this.curContext)
        this.updateContext(this.curContext.tracker.shift(this.curContext.context, term, this, this.p.stream.reset(start)));
    }
    reduceContext(term, start) {
      if (this.curContext)
        this.updateContext(this.curContext.tracker.reduce(this.curContext.context, term, this, this.p.stream.reset(start)));
    }
    /**
    @internal
    */
    emitContext() {
      let last = this.buffer.length - 1;
      if (last < 0 || this.buffer[last] != -3)
        this.buffer.push(this.curContext.hash, this.pos, this.pos, -3);
    }
    /**
    @internal
    */
    emitLookAhead() {
      let last = this.buffer.length - 1;
      if (last < 0 || this.buffer[last] != -4)
        this.buffer.push(this.lookAhead, this.pos, this.pos, -4);
    }
    updateContext(context) {
      if (context != this.curContext.context) {
        let newCx = new StackContext(this.curContext.tracker, context);
        if (newCx.hash != this.curContext.hash)
          this.emitContext();
        this.curContext = newCx;
      }
    }
    /**
    @internal
    */
    setLookAhead(lookAhead) {
      if (lookAhead > this.lookAhead) {
        this.emitLookAhead();
        this.lookAhead = lookAhead;
      }
    }
    /**
    @internal
    */
    close() {
      if (this.curContext && this.curContext.tracker.strict)
        this.emitContext();
      if (this.lookAhead > 0)
        this.emitLookAhead();
    }
  };
  var StackContext = class {
    constructor(tracker, context) {
      this.tracker = tracker;
      this.context = context;
      this.hash = tracker.strict ? tracker.hash(context) : 0;
    }
  };
  var SimulatedStack = class {
    constructor(start) {
      this.start = start;
      this.state = start.state;
      this.stack = start.stack;
      this.base = this.stack.length;
    }
    reduce(action) {
      let term = action & 65535, depth = action >> 19;
      if (depth == 0) {
        if (this.stack == this.start.stack)
          this.stack = this.stack.slice();
        this.stack.push(this.state, 0, 0);
        this.base += 3;
      } else {
        this.base -= (depth - 1) * 3;
      }
      let goto = this.start.p.parser.getGoto(this.stack[this.base - 3], term, true);
      this.state = goto;
    }
  };
  var StackBufferCursor = class _StackBufferCursor {
    constructor(stack, pos, index) {
      this.stack = stack;
      this.pos = pos;
      this.index = index;
      this.buffer = stack.buffer;
      if (this.index == 0)
        this.maybeNext();
    }
    static create(stack, pos = stack.bufferBase + stack.buffer.length) {
      return new _StackBufferCursor(stack, pos, pos - stack.bufferBase);
    }
    maybeNext() {
      let next = this.stack.parent;
      if (next != null) {
        this.index = this.stack.bufferBase - next.bufferBase;
        this.stack = next;
        this.buffer = next.buffer;
      }
    }
    get id() {
      return this.buffer[this.index - 4];
    }
    get start() {
      return this.buffer[this.index - 3];
    }
    get end() {
      return this.buffer[this.index - 2];
    }
    get size() {
      return this.buffer[this.index - 1];
    }
    next() {
      this.index -= 4;
      this.pos -= 4;
      if (this.index == 0)
        this.maybeNext();
    }
    fork() {
      return new _StackBufferCursor(this.stack, this.pos, this.index);
    }
  };
  function decodeArray(input, Type2 = Uint16Array) {
    if (typeof input != "string")
      return input;
    let array = null;
    for (let pos = 0, out = 0; pos < input.length; ) {
      let value = 0;
      for (; ; ) {
        let next = input.charCodeAt(pos++), stop = false;
        if (next == 126) {
          value = 65535;
          break;
        }
        if (next >= 92)
          next--;
        if (next >= 34)
          next--;
        let digit = next - 32;
        if (digit >= 46) {
          digit -= 46;
          stop = true;
        }
        value += digit;
        if (stop)
          break;
        value *= 46;
      }
      if (array)
        array[out++] = value;
      else
        array = new Type2(value);
    }
    return array;
  }
  var CachedToken = class {
    constructor() {
      this.start = -1;
      this.value = -1;
      this.end = -1;
      this.extended = -1;
      this.lookAhead = 0;
      this.mask = 0;
      this.context = 0;
    }
  };
  var nullToken = new CachedToken();
  var InputStream = class {
    /**
    @internal
    */
    constructor(input, ranges) {
      this.input = input;
      this.ranges = ranges;
      this.chunk = "";
      this.chunkOff = 0;
      this.chunk2 = "";
      this.chunk2Pos = 0;
      this.next = -1;
      this.token = nullToken;
      this.rangeIndex = 0;
      this.pos = this.chunkPos = ranges[0].from;
      this.range = ranges[0];
      this.end = ranges[ranges.length - 1].to;
      this.readNext();
    }
    /**
    @internal
    */
    resolveOffset(offset, assoc) {
      let range = this.range, index = this.rangeIndex;
      let pos = this.pos + offset;
      while (pos < range.from) {
        if (!index)
          return null;
        let next = this.ranges[--index];
        pos -= range.from - next.to;
        range = next;
      }
      while (assoc < 0 ? pos > range.to : pos >= range.to) {
        if (index == this.ranges.length - 1)
          return null;
        let next = this.ranges[++index];
        pos += next.from - range.to;
        range = next;
      }
      return pos;
    }
    /**
    @internal
    */
    clipPos(pos) {
      if (pos >= this.range.from && pos < this.range.to)
        return pos;
      for (let range of this.ranges)
        if (range.to > pos)
          return Math.max(pos, range.from);
      return this.end;
    }
    /**
    Look at a code unit near the stream position. `.peek(0)` equals
    `.next`, `.peek(-1)` gives you the previous character, and so
    on.
    
    Note that looking around during tokenizing creates dependencies
    on potentially far-away content, which may reduce the
    effectiveness incremental parsing—when looking forward—or even
    cause invalid reparses when looking backward more than 25 code
    units, since the library does not track lookbehind.
    */
    peek(offset) {
      let idx = this.chunkOff + offset, pos, result;
      if (idx >= 0 && idx < this.chunk.length) {
        pos = this.pos + offset;
        result = this.chunk.charCodeAt(idx);
      } else {
        let resolved = this.resolveOffset(offset, 1);
        if (resolved == null)
          return -1;
        pos = resolved;
        if (pos >= this.chunk2Pos && pos < this.chunk2Pos + this.chunk2.length) {
          result = this.chunk2.charCodeAt(pos - this.chunk2Pos);
        } else {
          let i = this.rangeIndex, range = this.range;
          while (range.to <= pos)
            range = this.ranges[++i];
          this.chunk2 = this.input.chunk(this.chunk2Pos = pos);
          if (pos + this.chunk2.length > range.to)
            this.chunk2 = this.chunk2.slice(0, range.to - pos);
          result = this.chunk2.charCodeAt(0);
        }
      }
      if (pos >= this.token.lookAhead)
        this.token.lookAhead = pos + 1;
      return result;
    }
    /**
    Accept a token. By default, the end of the token is set to the
    current stream position, but you can pass an offset (relative to
    the stream position) to change that.
    */
    acceptToken(token, endOffset = 0) {
      let end = endOffset ? this.resolveOffset(endOffset, -1) : this.pos;
      if (end == null || end < this.token.start)
        throw new RangeError("Token end out of bounds");
      this.token.value = token;
      this.token.end = end;
    }
    /**
    Accept a token ending at a specific given position.
    */
    acceptTokenTo(token, endPos) {
      this.token.value = token;
      this.token.end = endPos;
    }
    getChunk() {
      if (this.pos >= this.chunk2Pos && this.pos < this.chunk2Pos + this.chunk2.length) {
        let { chunk, chunkPos } = this;
        this.chunk = this.chunk2;
        this.chunkPos = this.chunk2Pos;
        this.chunk2 = chunk;
        this.chunk2Pos = chunkPos;
        this.chunkOff = this.pos - this.chunkPos;
      } else {
        this.chunk2 = this.chunk;
        this.chunk2Pos = this.chunkPos;
        let nextChunk = this.input.chunk(this.pos);
        let end = this.pos + nextChunk.length;
        this.chunk = end > this.range.to ? nextChunk.slice(0, this.range.to - this.pos) : nextChunk;
        this.chunkPos = this.pos;
        this.chunkOff = 0;
      }
    }
    readNext() {
      if (this.chunkOff >= this.chunk.length) {
        this.getChunk();
        if (this.chunkOff == this.chunk.length)
          return this.next = -1;
      }
      return this.next = this.chunk.charCodeAt(this.chunkOff);
    }
    /**
    Move the stream forward N (defaults to 1) code units. Returns
    the new value of [`next`](#lr.InputStream.next).
    */
    advance(n = 1) {
      this.chunkOff += n;
      while (this.pos + n >= this.range.to) {
        if (this.rangeIndex == this.ranges.length - 1)
          return this.setDone();
        n -= this.range.to - this.pos;
        this.range = this.ranges[++this.rangeIndex];
        this.pos = this.range.from;
      }
      this.pos += n;
      if (this.pos >= this.token.lookAhead)
        this.token.lookAhead = this.pos + 1;
      return this.readNext();
    }
    setDone() {
      this.pos = this.chunkPos = this.end;
      this.range = this.ranges[this.rangeIndex = this.ranges.length - 1];
      this.chunk = "";
      return this.next = -1;
    }
    /**
    @internal
    */
    reset(pos, token) {
      if (token) {
        this.token = token;
        token.start = pos;
        token.lookAhead = pos + 1;
        token.value = token.extended = -1;
      } else {
        this.token = nullToken;
      }
      if (this.pos != pos) {
        this.pos = pos;
        if (pos == this.end) {
          this.setDone();
          return this;
        }
        while (pos < this.range.from)
          this.range = this.ranges[--this.rangeIndex];
        while (pos >= this.range.to)
          this.range = this.ranges[++this.rangeIndex];
        if (pos >= this.chunkPos && pos < this.chunkPos + this.chunk.length) {
          this.chunkOff = pos - this.chunkPos;
        } else {
          this.chunk = "";
          this.chunkOff = 0;
        }
        this.readNext();
      }
      return this;
    }
    /**
    @internal
    */
    read(from, to) {
      if (from >= this.chunkPos && to <= this.chunkPos + this.chunk.length)
        return this.chunk.slice(from - this.chunkPos, to - this.chunkPos);
      if (from >= this.chunk2Pos && to <= this.chunk2Pos + this.chunk2.length)
        return this.chunk2.slice(from - this.chunk2Pos, to - this.chunk2Pos);
      if (from >= this.range.from && to <= this.range.to)
        return this.input.read(from, to);
      let result = "";
      for (let r of this.ranges) {
        if (r.from >= to)
          break;
        if (r.to > from)
          result += this.input.read(Math.max(r.from, from), Math.min(r.to, to));
      }
      return result;
    }
  };
  var TokenGroup = class {
    constructor(data2, id2) {
      this.data = data2;
      this.id = id2;
    }
    token(input, stack) {
      let { parser: parser5 } = stack.p;
      readToken(this.data, input, stack, this.id, parser5.data, parser5.tokenPrecTable);
    }
  };
  TokenGroup.prototype.contextual = TokenGroup.prototype.fallback = TokenGroup.prototype.extend = false;
  var LocalTokenGroup = class {
    constructor(data2, precTable, elseToken) {
      this.precTable = precTable;
      this.elseToken = elseToken;
      this.data = typeof data2 == "string" ? decodeArray(data2) : data2;
    }
    token(input, stack) {
      let start = input.pos, skipped = 0;
      for (; ; ) {
        let atEof = input.next < 0, nextPos = input.resolveOffset(1, 1);
        readToken(this.data, input, stack, 0, this.data, this.precTable);
        if (input.token.value > -1)
          break;
        if (this.elseToken == null)
          return;
        if (!atEof)
          skipped++;
        if (nextPos == null)
          break;
        input.reset(nextPos, input.token);
      }
      if (skipped) {
        input.reset(start, input.token);
        input.acceptToken(this.elseToken, skipped);
      }
    }
  };
  LocalTokenGroup.prototype.contextual = TokenGroup.prototype.fallback = TokenGroup.prototype.extend = false;
  var ExternalTokenizer = class {
    /**
    Create a tokenizer. The first argument is the function that,
    given an input stream, scans for the types of tokens it
    recognizes at the stream's position, and calls
    [`acceptToken`](#lr.InputStream.acceptToken) when it finds
    one.
    */
    constructor(token, options = {}) {
      this.token = token;
      this.contextual = !!options.contextual;
      this.fallback = !!options.fallback;
      this.extend = !!options.extend;
    }
  };
  function readToken(data2, input, stack, group, precTable, precOffset) {
    let state = 0, groupMask = 1 << group, { dialect } = stack.p.parser;
    scan: for (; ; ) {
      if ((groupMask & data2[state]) == 0)
        break;
      let accEnd = data2[state + 1];
      for (let i = state + 3; i < accEnd; i += 2)
        if ((data2[i + 1] & groupMask) > 0) {
          let term = data2[i];
          if (dialect.allows(term) && (input.token.value == -1 || input.token.value == term || overrides(term, input.token.value, precTable, precOffset))) {
            input.acceptToken(term);
            break;
          }
        }
      let next = input.next, low = 0, high = data2[state + 2];
      if (input.next < 0 && high > low && data2[accEnd + high * 3 - 3] == 65535) {
        state = data2[accEnd + high * 3 - 1];
        continue scan;
      }
      for (; low < high; ) {
        let mid = low + high >> 1;
        let index = accEnd + mid + (mid << 1);
        let from = data2[index], to = data2[index + 1] || 65536;
        if (next < from)
          high = mid;
        else if (next >= to)
          low = mid + 1;
        else {
          state = data2[index + 2];
          input.advance();
          continue scan;
        }
      }
      break;
    }
  }
  function findOffset(data2, start, term) {
    for (let i = start, next; (next = data2[i]) != 65535; i++)
      if (next == term)
        return i - start;
    return -1;
  }
  function overrides(token, prev, tableData, tableOffset) {
    let iPrev = findOffset(tableData, tableOffset, prev);
    return iPrev < 0 || findOffset(tableData, tableOffset, token) < iPrev;
  }
  var verbose = typeof process != "undefined" && process.env && /\bparse\b/.test(process.env.LOG);
  var stackIDs = null;
  function cutAt(tree, pos, side) {
    let cursor = tree.cursor(IterMode.IncludeAnonymous);
    cursor.moveTo(pos);
    for (; ; ) {
      if (!(side < 0 ? cursor.childBefore(pos) : cursor.childAfter(pos)))
        for (; ; ) {
          if ((side < 0 ? cursor.to < pos : cursor.from > pos) && !cursor.type.isError)
            return side < 0 ? Math.max(0, Math.min(
              cursor.to - 1,
              pos - 25
              /* Safety.Margin */
            )) : Math.min(tree.length, Math.max(
              cursor.from + 1,
              pos + 25
              /* Safety.Margin */
            ));
          if (side < 0 ? cursor.prevSibling() : cursor.nextSibling())
            break;
          if (!cursor.parent())
            return side < 0 ? 0 : tree.length;
        }
    }
  }
  var FragmentCursor3 = class {
    constructor(fragments, nodeSet) {
      this.fragments = fragments;
      this.nodeSet = nodeSet;
      this.i = 0;
      this.fragment = null;
      this.safeFrom = -1;
      this.safeTo = -1;
      this.trees = [];
      this.start = [];
      this.index = [];
      this.nextFragment();
    }
    nextFragment() {
      let fr = this.fragment = this.i == this.fragments.length ? null : this.fragments[this.i++];
      if (fr) {
        this.safeFrom = fr.openStart ? cutAt(fr.tree, fr.from + fr.offset, 1) - fr.offset : fr.from;
        this.safeTo = fr.openEnd ? cutAt(fr.tree, fr.to + fr.offset, -1) - fr.offset : fr.to;
        while (this.trees.length) {
          this.trees.pop();
          this.start.pop();
          this.index.pop();
        }
        this.trees.push(fr.tree);
        this.start.push(-fr.offset);
        this.index.push(0);
        this.nextStart = this.safeFrom;
      } else {
        this.nextStart = 1e9;
      }
    }
    // `pos` must be >= any previously given `pos` for this cursor
    nodeAt(pos) {
      if (pos < this.nextStart)
        return null;
      while (this.fragment && this.safeTo <= pos)
        this.nextFragment();
      if (!this.fragment)
        return null;
      for (; ; ) {
        let last = this.trees.length - 1;
        if (last < 0) {
          this.nextFragment();
          return null;
        }
        let top2 = this.trees[last], index = this.index[last];
        if (index == top2.children.length) {
          this.trees.pop();
          this.start.pop();
          this.index.pop();
          continue;
        }
        let next = top2.children[index];
        let start = this.start[last] + top2.positions[index];
        if (start > pos) {
          this.nextStart = start;
          return null;
        }
        if (next instanceof Tree) {
          if (start == pos) {
            if (start < this.safeFrom)
              return null;
            let end = start + next.length;
            if (end <= this.safeTo) {
              let lookAhead = next.prop(NodeProp.lookAhead);
              if (!lookAhead || end + lookAhead < this.fragment.to)
                return next;
            }
          }
          this.index[last]++;
          if (start + next.length >= Math.max(this.safeFrom, pos)) {
            this.trees.push(next);
            this.start.push(start);
            this.index.push(0);
          }
        } else {
          this.index[last]++;
          this.nextStart = start + next.length;
        }
      }
    }
  };
  var TokenCache = class {
    constructor(parser5, stream) {
      this.stream = stream;
      this.tokens = [];
      this.mainToken = null;
      this.actions = [];
      this.tokens = parser5.tokenizers.map((_) => new CachedToken());
    }
    getActions(stack) {
      let actionIndex = 0;
      let main = null;
      let { parser: parser5 } = stack.p, { tokenizers } = parser5;
      let mask = parser5.stateSlot(
        stack.state,
        3
        /* ParseState.TokenizerMask */
      );
      let context = stack.curContext ? stack.curContext.hash : 0;
      let lookAhead = 0;
      for (let i = 0; i < tokenizers.length; i++) {
        if ((1 << i & mask) == 0)
          continue;
        let tokenizer = tokenizers[i], token = this.tokens[i];
        if (main && !tokenizer.fallback)
          continue;
        if (tokenizer.contextual || token.start != stack.pos || token.mask != mask || token.context != context) {
          this.updateCachedToken(token, tokenizer, stack);
          token.mask = mask;
          token.context = context;
        }
        if (token.lookAhead > token.end + 25)
          lookAhead = Math.max(token.lookAhead, lookAhead);
        if (token.value != 0) {
          let startIndex = actionIndex;
          if (token.extended > -1)
            actionIndex = this.addActions(stack, token.extended, token.end, actionIndex);
          actionIndex = this.addActions(stack, token.value, token.end, actionIndex);
          if (!tokenizer.extend) {
            main = token;
            if (actionIndex > startIndex)
              break;
          }
        }
      }
      while (this.actions.length > actionIndex)
        this.actions.pop();
      if (lookAhead)
        stack.setLookAhead(lookAhead);
      if (!main && stack.pos == this.stream.end) {
        main = new CachedToken();
        main.value = stack.p.parser.eofTerm;
        main.start = main.end = stack.pos;
        actionIndex = this.addActions(stack, main.value, main.end, actionIndex);
      }
      this.mainToken = main;
      return this.actions;
    }
    getMainToken(stack) {
      if (this.mainToken)
        return this.mainToken;
      let main = new CachedToken(), { pos, p } = stack;
      main.start = pos;
      main.end = Math.min(pos + 1, p.stream.end);
      main.value = pos == p.stream.end ? p.parser.eofTerm : 0;
      return main;
    }
    updateCachedToken(token, tokenizer, stack) {
      let start = this.stream.clipPos(stack.pos);
      tokenizer.token(this.stream.reset(start, token), stack);
      if (token.value > -1) {
        let { parser: parser5 } = stack.p;
        for (let i = 0; i < parser5.specialized.length; i++)
          if (parser5.specialized[i] == token.value) {
            let result = parser5.specializers[i](this.stream.read(token.start, token.end), stack);
            if (result >= 0 && stack.p.parser.dialect.allows(result >> 1)) {
              if ((result & 1) == 0)
                token.value = result >> 1;
              else
                token.extended = result >> 1;
              break;
            }
          }
      } else {
        token.value = 0;
        token.end = this.stream.clipPos(start + 1);
      }
    }
    putAction(action, token, end, index) {
      for (let i = 0; i < index; i += 3)
        if (this.actions[i] == action)
          return index;
      this.actions[index++] = action;
      this.actions[index++] = token;
      this.actions[index++] = end;
      return index;
    }
    addActions(stack, token, end, index) {
      let { state } = stack, { parser: parser5 } = stack.p, { data: data2 } = parser5;
      for (let set = 0; set < 2; set++) {
        for (let i = parser5.stateSlot(
          state,
          set ? 2 : 1
          /* ParseState.Actions */
        ); ; i += 3) {
          if (data2[i] == 65535) {
            if (data2[i + 1] == 1) {
              i = pair(data2, i + 2);
            } else {
              if (index == 0 && data2[i + 1] == 2)
                index = this.putAction(pair(data2, i + 2), token, end, index);
              break;
            }
          }
          if (data2[i] == token)
            index = this.putAction(pair(data2, i + 1), token, end, index);
        }
      }
      return index;
    }
  };
  var Parse = class {
    constructor(parser5, input, fragments, ranges) {
      this.parser = parser5;
      this.input = input;
      this.ranges = ranges;
      this.recovering = 0;
      this.nextStackID = 9812;
      this.minStackPos = 0;
      this.reused = [];
      this.stoppedAt = null;
      this.lastBigReductionStart = -1;
      this.lastBigReductionSize = 0;
      this.bigReductionCount = 0;
      this.stream = new InputStream(input, ranges);
      this.tokens = new TokenCache(parser5, this.stream);
      this.topTerm = parser5.top[1];
      let { from } = ranges[0];
      this.stacks = [Stack.start(this, parser5.top[0], from)];
      this.fragments = fragments.length && this.stream.end - from > parser5.bufferLength * 4 ? new FragmentCursor3(fragments, parser5.nodeSet) : null;
    }
    get parsedPos() {
      return this.minStackPos;
    }
    // Move the parser forward. This will process all parse stacks at
    // `this.pos` and try to advance them to a further position. If no
    // stack for such a position is found, it'll start error-recovery.
    //
    // When the parse is finished, this will return a syntax tree. When
    // not, it returns `null`.
    advance() {
      let stacks = this.stacks, pos = this.minStackPos;
      let newStacks = this.stacks = [];
      let stopped, stoppedTokens;
      if (this.bigReductionCount > 300 && stacks.length == 1) {
        let [s] = stacks;
        while (s.forceReduce() && s.stack.length && s.stack[s.stack.length - 2] >= this.lastBigReductionStart) {
        }
        this.bigReductionCount = this.lastBigReductionSize = 0;
      }
      for (let i = 0; i < stacks.length; i++) {
        let stack = stacks[i];
        for (; ; ) {
          this.tokens.mainToken = null;
          if (stack.pos > pos) {
            newStacks.push(stack);
          } else if (this.advanceStack(stack, newStacks, stacks)) {
            continue;
          } else {
            if (!stopped) {
              stopped = [];
              stoppedTokens = [];
            }
            stopped.push(stack);
            let tok = this.tokens.getMainToken(stack);
            stoppedTokens.push(tok.value, tok.end);
          }
          break;
        }
      }
      if (!newStacks.length) {
        let finished = stopped && findFinished(stopped);
        if (finished) {
          if (verbose)
            console.log("Finish with " + this.stackID(finished));
          return this.stackToTree(finished);
        }
        if (this.parser.strict) {
          if (verbose && stopped)
            console.log("Stuck with token " + (this.tokens.mainToken ? this.parser.getName(this.tokens.mainToken.value) : "none"));
          throw new SyntaxError("No parse at " + pos);
        }
        if (!this.recovering)
          this.recovering = 5;
      }
      if (this.recovering && stopped) {
        let finished = this.stoppedAt != null && stopped[0].pos > this.stoppedAt ? stopped[0] : this.runRecovery(stopped, stoppedTokens, newStacks);
        if (finished) {
          if (verbose)
            console.log("Force-finish " + this.stackID(finished));
          return this.stackToTree(finished.forceAll());
        }
      }
      if (this.recovering) {
        let maxRemaining = this.recovering == 1 ? 1 : this.recovering * 3;
        if (newStacks.length > maxRemaining) {
          newStacks.sort((a, b) => b.score - a.score);
          while (newStacks.length > maxRemaining)
            newStacks.pop();
        }
        if (newStacks.some((s) => s.reducePos > pos))
          this.recovering--;
      } else if (newStacks.length > 1) {
        outer: for (let i = 0; i < newStacks.length - 1; i++) {
          let stack = newStacks[i];
          for (let j = i + 1; j < newStacks.length; j++) {
            let other = newStacks[j];
            if (stack.sameState(other) || stack.buffer.length > 500 && other.buffer.length > 500) {
              if ((stack.score - other.score || stack.buffer.length - other.buffer.length) > 0) {
                newStacks.splice(j--, 1);
              } else {
                newStacks.splice(i--, 1);
                continue outer;
              }
            }
          }
        }
        if (newStacks.length > 12)
          newStacks.splice(
            12,
            newStacks.length - 12
            /* Rec.MaxStackCount */
          );
      }
      this.minStackPos = newStacks[0].pos;
      for (let i = 1; i < newStacks.length; i++)
        if (newStacks[i].pos < this.minStackPos)
          this.minStackPos = newStacks[i].pos;
      return null;
    }
    stopAt(pos) {
      if (this.stoppedAt != null && this.stoppedAt < pos)
        throw new RangeError("Can't move stoppedAt forward");
      this.stoppedAt = pos;
    }
    // Returns an updated version of the given stack, or null if the
    // stack can't advance normally. When `split` and `stacks` are
    // given, stacks split off by ambiguous operations will be pushed to
    // `split`, or added to `stacks` if they move `pos` forward.
    advanceStack(stack, stacks, split) {
      let start = stack.pos, { parser: parser5 } = this;
      let base2 = verbose ? this.stackID(stack) + " -> " : "";
      if (this.stoppedAt != null && start > this.stoppedAt)
        return stack.forceReduce() ? stack : null;
      if (this.fragments) {
        let strictCx = stack.curContext && stack.curContext.tracker.strict, cxHash = strictCx ? stack.curContext.hash : 0;
        for (let cached = this.fragments.nodeAt(start); cached; ) {
          let match = this.parser.nodeSet.types[cached.type.id] == cached.type ? parser5.getGoto(stack.state, cached.type.id) : -1;
          if (match > -1 && cached.length && (!strictCx || (cached.prop(NodeProp.contextHash) || 0) == cxHash)) {
            stack.useNode(cached, match);
            if (verbose)
              console.log(base2 + this.stackID(stack) + ` (via reuse of ${parser5.getName(cached.type.id)})`);
            return true;
          }
          if (!(cached instanceof Tree) || cached.children.length == 0 || cached.positions[0] > 0)
            break;
          let inner = cached.children[0];
          if (inner instanceof Tree && cached.positions[0] == 0)
            cached = inner;
          else
            break;
        }
      }
      let defaultReduce = parser5.stateSlot(
        stack.state,
        4
        /* ParseState.DefaultReduce */
      );
      if (defaultReduce > 0) {
        stack.reduce(defaultReduce);
        if (verbose)
          console.log(base2 + this.stackID(stack) + ` (via always-reduce ${parser5.getName(
            defaultReduce & 65535
            /* Action.ValueMask */
          )})`);
        return true;
      }
      if (stack.stack.length >= 8400) {
        while (stack.stack.length > 6e3 && stack.forceReduce()) {
        }
      }
      let actions = this.tokens.getActions(stack);
      for (let i = 0; i < actions.length; ) {
        let action = actions[i++], term = actions[i++], end = actions[i++];
        let last = i == actions.length || !split;
        let localStack = last ? stack : stack.split();
        let main = this.tokens.mainToken;
        localStack.apply(action, term, main ? main.start : localStack.pos, end);
        if (verbose)
          console.log(base2 + this.stackID(localStack) + ` (via ${(action & 65536) == 0 ? "shift" : `reduce of ${parser5.getName(
            action & 65535
            /* Action.ValueMask */
          )}`} for ${parser5.getName(term)} @ ${start}${localStack == stack ? "" : ", split"})`);
        if (last)
          return true;
        else if (localStack.pos > start)
          stacks.push(localStack);
        else
          split.push(localStack);
      }
      return false;
    }
    // Advance a given stack forward as far as it will go. Returns the
    // (possibly updated) stack if it got stuck, or null if it moved
    // forward and was given to `pushStackDedup`.
    advanceFully(stack, newStacks) {
      let pos = stack.pos;
      for (; ; ) {
        if (!this.advanceStack(stack, null, null))
          return false;
        if (stack.pos > pos) {
          pushStackDedup(stack, newStacks);
          return true;
        }
      }
    }
    runRecovery(stacks, tokens, newStacks) {
      let finished = null, restarted = false;
      for (let i = 0; i < stacks.length; i++) {
        let stack = stacks[i], token = tokens[i << 1], tokenEnd = tokens[(i << 1) + 1];
        let base2 = verbose ? this.stackID(stack) + " -> " : "";
        if (stack.deadEnd) {
          if (restarted)
            continue;
          restarted = true;
          stack.restart();
          if (verbose)
            console.log(base2 + this.stackID(stack) + " (restarted)");
          let done = this.advanceFully(stack, newStacks);
          if (done)
            continue;
        }
        let force = stack.split(), forceBase = base2;
        for (let j = 0; force.forceReduce() && j < 10; j++) {
          if (verbose)
            console.log(forceBase + this.stackID(force) + " (via force-reduce)");
          let done = this.advanceFully(force, newStacks);
          if (done)
            break;
          if (verbose)
            forceBase = this.stackID(force) + " -> ";
        }
        for (let insert2 of stack.recoverByInsert(token)) {
          if (verbose)
            console.log(base2 + this.stackID(insert2) + " (via recover-insert)");
          this.advanceFully(insert2, newStacks);
        }
        if (this.stream.end > stack.pos) {
          if (tokenEnd == stack.pos) {
            tokenEnd++;
            token = 0;
          }
          stack.recoverByDelete(token, tokenEnd);
          if (verbose)
            console.log(base2 + this.stackID(stack) + ` (via recover-delete ${this.parser.getName(token)})`);
          pushStackDedup(stack, newStacks);
        } else if (!finished || finished.score < stack.score) {
          finished = stack;
        }
      }
      return finished;
    }
    // Convert the stack's buffer to a syntax tree.
    stackToTree(stack) {
      stack.close();
      return Tree.build({
        buffer: StackBufferCursor.create(stack),
        nodeSet: this.parser.nodeSet,
        topID: this.topTerm,
        maxBufferLength: this.parser.bufferLength,
        reused: this.reused,
        start: this.ranges[0].from,
        length: stack.pos - this.ranges[0].from,
        minRepeatType: this.parser.minRepeatTerm
      });
    }
    stackID(stack) {
      let id2 = (stackIDs || (stackIDs = /* @__PURE__ */ new WeakMap())).get(stack);
      if (!id2)
        stackIDs.set(stack, id2 = String.fromCodePoint(this.nextStackID++));
      return id2 + stack;
    }
  };
  function pushStackDedup(stack, newStacks) {
    for (let i = 0; i < newStacks.length; i++) {
      let other = newStacks[i];
      if (other.pos == stack.pos && other.sameState(stack)) {
        if (newStacks[i].score < stack.score)
          newStacks[i] = stack;
        return;
      }
    }
    newStacks.push(stack);
  }
  var Dialect = class {
    constructor(source, flags, disabled) {
      this.source = source;
      this.flags = flags;
      this.disabled = disabled;
    }
    allows(term) {
      return !this.disabled || this.disabled[term] == 0;
    }
  };
  var id = (x) => x;
  var ContextTracker = class {
    /**
    Define a context tracker.
    */
    constructor(spec) {
      this.start = spec.start;
      this.shift = spec.shift || id;
      this.reduce = spec.reduce || id;
      this.reuse = spec.reuse || id;
      this.hash = spec.hash || (() => 0);
      this.strict = spec.strict !== false;
    }
  };
  var LRParser = class _LRParser extends Parser {
    /**
    @internal
    */
    constructor(spec) {
      super();
      this.wrappers = [];
      if (spec.version != 14)
        throw new RangeError(`Parser version (${spec.version}) doesn't match runtime version (${14})`);
      let nodeNames = spec.nodeNames.split(" ");
      this.minRepeatTerm = nodeNames.length;
      for (let i = 0; i < spec.repeatNodeCount; i++)
        nodeNames.push("");
      let topTerms = Object.keys(spec.topRules).map((r) => spec.topRules[r][1]);
      let nodeProps = [];
      for (let i = 0; i < nodeNames.length; i++)
        nodeProps.push([]);
      function setProp(nodeID, prop, value) {
        nodeProps[nodeID].push([prop, prop.deserialize(String(value))]);
      }
      if (spec.nodeProps)
        for (let propSpec of spec.nodeProps) {
          let prop = propSpec[0];
          if (typeof prop == "string")
            prop = NodeProp[prop];
          for (let i = 1; i < propSpec.length; ) {
            let next = propSpec[i++];
            if (next >= 0) {
              setProp(next, prop, propSpec[i++]);
            } else {
              let value = propSpec[i + -next];
              for (let j = -next; j > 0; j--)
                setProp(propSpec[i++], prop, value);
              i++;
            }
          }
        }
      this.nodeSet = new NodeSet(nodeNames.map((name2, i) => NodeType.define({
        name: i >= this.minRepeatTerm ? void 0 : name2,
        id: i,
        props: nodeProps[i],
        top: topTerms.indexOf(i) > -1,
        error: i == 0,
        skipped: spec.skippedNodes && spec.skippedNodes.indexOf(i) > -1
      })));
      if (spec.propSources)
        this.nodeSet = this.nodeSet.extend(...spec.propSources);
      this.strict = false;
      this.bufferLength = DefaultBufferLength;
      let tokenArray = decodeArray(spec.tokenData);
      this.context = spec.context;
      this.specializerSpecs = spec.specialized || [];
      this.specialized = new Uint16Array(this.specializerSpecs.length);
      for (let i = 0; i < this.specializerSpecs.length; i++)
        this.specialized[i] = this.specializerSpecs[i].term;
      this.specializers = this.specializerSpecs.map(getSpecializer);
      this.states = decodeArray(spec.states, Uint32Array);
      this.data = decodeArray(spec.stateData);
      this.goto = decodeArray(spec.goto);
      this.maxTerm = spec.maxTerm;
      this.tokenizers = spec.tokenizers.map((value) => typeof value == "number" ? new TokenGroup(tokenArray, value) : value);
      this.topRules = spec.topRules;
      this.dialects = spec.dialects || {};
      this.dynamicPrecedences = spec.dynamicPrecedences || null;
      this.tokenPrecTable = spec.tokenPrec;
      this.termNames = spec.termNames || null;
      this.maxNode = this.nodeSet.types.length - 1;
      this.dialect = this.parseDialect();
      this.top = this.topRules[Object.keys(this.topRules)[0]];
    }
    createParse(input, fragments, ranges) {
      let parse = new Parse(this, input, fragments, ranges);
      for (let w of this.wrappers)
        parse = w(parse, input, fragments, ranges);
      return parse;
    }
    /**
    Get a goto table entry @internal
    */
    getGoto(state, term, loose = false) {
      let table = this.goto;
      if (term >= table[0])
        return -1;
      for (let pos = table[term + 1]; ; ) {
        let groupTag = table[pos++], last = groupTag & 1;
        let target = table[pos++];
        if (last && loose)
          return target;
        for (let end = pos + (groupTag >> 1); pos < end; pos++)
          if (table[pos] == state)
            return target;
        if (last)
          return -1;
      }
    }
    /**
    Check if this state has an action for a given terminal @internal
    */
    hasAction(state, terminal) {
      let data2 = this.data;
      for (let set = 0; set < 2; set++) {
        for (let i = this.stateSlot(
          state,
          set ? 2 : 1
          /* ParseState.Actions */
        ), next; ; i += 3) {
          if ((next = data2[i]) == 65535) {
            if (data2[i + 1] == 1)
              next = data2[i = pair(data2, i + 2)];
            else if (data2[i + 1] == 2)
              return pair(data2, i + 2);
            else
              break;
          }
          if (next == terminal || next == 0)
            return pair(data2, i + 1);
        }
      }
      return 0;
    }
    /**
    @internal
    */
    stateSlot(state, slot) {
      return this.states[state * 6 + slot];
    }
    /**
    @internal
    */
    stateFlag(state, flag) {
      return (this.stateSlot(
        state,
        0
        /* ParseState.Flags */
      ) & flag) > 0;
    }
    /**
    @internal
    */
    validAction(state, action) {
      return !!this.allActions(state, (a) => a == action ? true : null);
    }
    /**
    @internal
    */
    allActions(state, action) {
      let deflt = this.stateSlot(
        state,
        4
        /* ParseState.DefaultReduce */
      );
      let result = deflt ? action(deflt) : void 0;
      for (let i = this.stateSlot(
        state,
        1
        /* ParseState.Actions */
      ); result == null; i += 3) {
        if (this.data[i] == 65535) {
          if (this.data[i + 1] == 1)
            i = pair(this.data, i + 2);
          else
            break;
        }
        result = action(pair(this.data, i + 1));
      }
      return result;
    }
    /**
    Get the states that can follow this one through shift actions or
    goto jumps. @internal
    */
    nextStates(state) {
      let result = [];
      for (let i = this.stateSlot(
        state,
        1
        /* ParseState.Actions */
      ); ; i += 3) {
        if (this.data[i] == 65535) {
          if (this.data[i + 1] == 1)
            i = pair(this.data, i + 2);
          else
            break;
        }
        if ((this.data[i + 2] & 65536 >> 16) == 0) {
          let value = this.data[i + 1];
          if (!result.some((v, i2) => i2 & 1 && v == value))
            result.push(this.data[i], value);
        }
      }
      return result;
    }
    /**
    Configure the parser. Returns a new parser instance that has the
    given settings modified. Settings not provided in `config` are
    kept from the original parser.
    */
    configure(config2) {
      let copy = Object.assign(Object.create(_LRParser.prototype), this);
      if (config2.props)
        copy.nodeSet = this.nodeSet.extend(...config2.props);
      if (config2.top) {
        let info = this.topRules[config2.top];
        if (!info)
          throw new RangeError(`Invalid top rule name ${config2.top}`);
        copy.top = info;
      }
      if (config2.tokenizers)
        copy.tokenizers = this.tokenizers.map((t2) => {
          let found = config2.tokenizers.find((r) => r.from == t2);
          return found ? found.to : t2;
        });
      if (config2.specializers) {
        copy.specializers = this.specializers.slice();
        copy.specializerSpecs = this.specializerSpecs.map((s, i) => {
          let found = config2.specializers.find((r) => r.from == s.external);
          if (!found)
            return s;
          let spec = Object.assign(Object.assign({}, s), { external: found.to });
          copy.specializers[i] = getSpecializer(spec);
          return spec;
        });
      }
      if (config2.contextTracker)
        copy.context = config2.contextTracker;
      if (config2.dialect)
        copy.dialect = this.parseDialect(config2.dialect);
      if (config2.strict != null)
        copy.strict = config2.strict;
      if (config2.wrap)
        copy.wrappers = copy.wrappers.concat(config2.wrap);
      if (config2.bufferLength != null)
        copy.bufferLength = config2.bufferLength;
      return copy;
    }
    /**
    Tells you whether any [parse wrappers](#lr.ParserConfig.wrap)
    are registered for this parser.
    */
    hasWrappers() {
      return this.wrappers.length > 0;
    }
    /**
    Returns the name associated with a given term. This will only
    work for all terms when the parser was generated with the
    `--names` option. By default, only the names of tagged terms are
    stored.
    */
    getName(term) {
      return this.termNames ? this.termNames[term] : String(term <= this.maxNode && this.nodeSet.types[term].name || term);
    }
    /**
    The eof term id is always allocated directly after the node
    types. @internal
    */
    get eofTerm() {
      return this.maxNode + 1;
    }
    /**
    The type of top node produced by the parser.
    */
    get topNode() {
      return this.nodeSet.types[this.top[1]];
    }
    /**
    @internal
    */
    dynamicPrecedence(term) {
      let prec2 = this.dynamicPrecedences;
      return prec2 == null ? 0 : prec2[term] || 0;
    }
    /**
    @internal
    */
    parseDialect(dialect) {
      let values2 = Object.keys(this.dialects), flags = values2.map(() => false);
      if (dialect)
        for (let part of dialect.split(" ")) {
          let id2 = values2.indexOf(part);
          if (id2 >= 0)
            flags[id2] = true;
        }
      let disabled = null;
      for (let i = 0; i < values2.length; i++)
        if (!flags[i]) {
          for (let j = this.dialects[values2[i]], id2; (id2 = this.data[j++]) != 65535; )
            (disabled || (disabled = new Uint8Array(this.maxTerm + 1)))[id2] = 1;
        }
      return new Dialect(dialect, flags, disabled);
    }
    /**
    Used by the output of the parser generator. Not available to
    user code. @hide
    */
    static deserialize(spec) {
      return new _LRParser(spec);
    }
  };
  function pair(data2, off) {
    return data2[off] | data2[off + 1] << 16;
  }
  function findFinished(stacks) {
    let best = null;
    for (let stack of stacks) {
      let stopped = stack.p.stoppedAt;
      if ((stack.pos == stack.p.stream.end || stopped != null && stack.pos > stopped) && stack.p.parser.stateFlag(
        stack.state,
        2
        /* StateFlag.Accepting */
      ) && (!best || best.score < stack.score))
        best = stack;
    }
    return best;
  }
  function getSpecializer(spec) {
    if (spec.external) {
      let mask = spec.extend ? 1 : 0;
      return (value, stack) => spec.external(value, stack) << 1 | mask;
    }
    return spec.get;
  }

  // node_modules/@lezer/html/dist/index.js
  var scriptText = 54;
  var StartCloseScriptTag = 1;
  var styleText = 55;
  var StartCloseStyleTag = 2;
  var textareaText = 56;
  var StartCloseTextareaTag = 3;
  var EndTag = 4;
  var SelfClosingEndTag = 5;
  var StartTag = 6;
  var StartScriptTag = 7;
  var StartStyleTag = 8;
  var StartTextareaTag = 9;
  var StartSelfClosingTag = 10;
  var StartCloseTag = 11;
  var NoMatchStartCloseTag = 12;
  var MismatchedStartCloseTag = 13;
  var missingCloseTag = 57;
  var IncompleteCloseTag = 14;
  var commentContent$1 = 58;
  var Element2 = 20;
  var TagName = 22;
  var Attribute = 23;
  var AttributeName = 24;
  var AttributeValue = 26;
  var UnquotedAttributeValue = 27;
  var ScriptText = 28;
  var StyleText = 31;
  var TextareaText = 34;
  var OpenTag = 36;
  var CloseTag = 37;
  var Dialect_noMatch = 0;
  var Dialect_selfClosing = 1;
  var selfClosers = {
    area: true,
    base: true,
    br: true,
    col: true,
    command: true,
    embed: true,
    frame: true,
    hr: true,
    img: true,
    input: true,
    keygen: true,
    link: true,
    meta: true,
    param: true,
    source: true,
    track: true,
    wbr: true,
    menuitem: true
  };
  var implicitlyClosed = {
    dd: true,
    li: true,
    optgroup: true,
    option: true,
    p: true,
    rp: true,
    rt: true,
    tbody: true,
    td: true,
    tfoot: true,
    th: true,
    tr: true
  };
  var closeOnOpen = {
    dd: { dd: true, dt: true },
    dt: { dd: true, dt: true },
    li: { li: true },
    option: { option: true, optgroup: true },
    optgroup: { optgroup: true },
    p: {
      address: true,
      article: true,
      aside: true,
      blockquote: true,
      dir: true,
      div: true,
      dl: true,
      fieldset: true,
      footer: true,
      form: true,
      h1: true,
      h2: true,
      h3: true,
      h4: true,
      h5: true,
      h6: true,
      header: true,
      hgroup: true,
      hr: true,
      menu: true,
      nav: true,
      ol: true,
      p: true,
      pre: true,
      section: true,
      table: true,
      ul: true
    },
    rp: { rp: true, rt: true },
    rt: { rp: true, rt: true },
    tbody: { tbody: true, tfoot: true },
    td: { td: true, th: true },
    tfoot: { tbody: true },
    th: { td: true, th: true },
    thead: { tbody: true, tfoot: true },
    tr: { tr: true }
  };
  function nameChar(ch) {
    return ch == 45 || ch == 46 || ch == 58 || ch >= 65 && ch <= 90 || ch == 95 || ch >= 97 && ch <= 122 || ch >= 161;
  }
  function isSpace(ch) {
    return ch == 9 || ch == 10 || ch == 13 || ch == 32;
  }
  var cachedName = null;
  var cachedInput = null;
  var cachedPos = 0;
  function tagNameAfter(input, offset) {
    let pos = input.pos + offset;
    if (cachedPos == pos && cachedInput == input) return cachedName;
    let next = input.peek(offset);
    while (isSpace(next)) next = input.peek(++offset);
    let name2 = "";
    for (; ; ) {
      if (!nameChar(next)) break;
      name2 += String.fromCharCode(next);
      next = input.peek(++offset);
    }
    cachedInput = input;
    cachedPos = pos;
    return cachedName = name2 ? name2.toLowerCase() : next == question || next == bang ? void 0 : null;
  }
  var lessThan = 60;
  var greaterThan = 62;
  var slash = 47;
  var question = 63;
  var bang = 33;
  var dash = 45;
  function ElementContext(name2, parent) {
    this.name = name2;
    this.parent = parent;
  }
  var startTagTerms = [StartTag, StartSelfClosingTag, StartScriptTag, StartStyleTag, StartTextareaTag];
  var elementContext = new ContextTracker({
    start: null,
    shift(context, term, stack, input) {
      return startTagTerms.indexOf(term) > -1 ? new ElementContext(tagNameAfter(input, 1) || "", context) : context;
    },
    reduce(context, term) {
      return term == Element2 && context ? context.parent : context;
    },
    reuse(context, node, stack, input) {
      let type = node.type.id;
      return type == StartTag || type == OpenTag ? new ElementContext(tagNameAfter(input, 1) || "", context) : context;
    },
    strict: false
  });
  var tagStart = new ExternalTokenizer((input, stack) => {
    if (input.next != lessThan) {
      if (input.next < 0 && stack.context) input.acceptToken(missingCloseTag);
      return;
    }
    input.advance();
    let close = input.next == slash;
    if (close) input.advance();
    let name2 = tagNameAfter(input, 0);
    if (name2 === void 0) return;
    if (!name2) return input.acceptToken(close ? IncompleteCloseTag : StartTag);
    let parent = stack.context ? stack.context.name : null;
    if (close) {
      if (name2 == parent) return input.acceptToken(StartCloseTag);
      if (parent && implicitlyClosed[parent]) return input.acceptToken(missingCloseTag, -2);
      if (stack.dialectEnabled(Dialect_noMatch)) return input.acceptToken(NoMatchStartCloseTag);
      for (let cx = stack.context; cx; cx = cx.parent) if (cx.name == name2) return;
      input.acceptToken(MismatchedStartCloseTag);
    } else {
      if (name2 == "script") return input.acceptToken(StartScriptTag);
      if (name2 == "style") return input.acceptToken(StartStyleTag);
      if (name2 == "textarea") return input.acceptToken(StartTextareaTag);
      if (selfClosers.hasOwnProperty(name2)) return input.acceptToken(StartSelfClosingTag);
      if (parent && closeOnOpen[parent] && closeOnOpen[parent][name2]) input.acceptToken(missingCloseTag, -1);
      else input.acceptToken(StartTag);
    }
  }, { contextual: true });
  var commentContent = new ExternalTokenizer((input) => {
    for (let dashes = 0, i = 0; ; i++) {
      if (input.next < 0) {
        if (i) input.acceptToken(commentContent$1);
        break;
      }
      if (input.next == dash) {
        dashes++;
      } else if (input.next == greaterThan && dashes >= 2) {
        if (i >= 3) input.acceptToken(commentContent$1, -2);
        break;
      } else {
        dashes = 0;
      }
      input.advance();
    }
  });
  function inForeignElement(context) {
    for (; context; context = context.parent)
      if (context.name == "svg" || context.name == "math") return true;
    return false;
  }
  var endTag = new ExternalTokenizer((input, stack) => {
    if (input.next == slash && input.peek(1) == greaterThan) {
      let selfClosing = stack.dialectEnabled(Dialect_selfClosing) || inForeignElement(stack.context);
      input.acceptToken(selfClosing ? SelfClosingEndTag : EndTag, 2);
    } else if (input.next == greaterThan) {
      input.acceptToken(EndTag, 1);
    }
  });
  function contentTokenizer(tag, textToken, endToken) {
    let lastState = 2 + tag.length;
    return new ExternalTokenizer((input) => {
      for (let state = 0, matchedLen = 0, i = 0; ; i++) {
        if (input.next < 0) {
          if (i) input.acceptToken(textToken);
          break;
        }
        if (state == 0 && input.next == lessThan || state == 1 && input.next == slash || state >= 2 && state < lastState && input.next == tag.charCodeAt(state - 2)) {
          state++;
          matchedLen++;
        } else if ((state == 2 || state == lastState) && isSpace(input.next)) {
          matchedLen++;
        } else if (state == lastState && input.next == greaterThan) {
          if (i > matchedLen)
            input.acceptToken(textToken, -matchedLen);
          else
            input.acceptToken(endToken, -(matchedLen - 2));
          break;
        } else if ((input.next == 10 || input.next == 13) && i) {
          input.acceptToken(textToken, 1);
          break;
        } else {
          state = matchedLen = 0;
        }
        input.advance();
      }
    });
  }
  var scriptTokens = contentTokenizer("script", scriptText, StartCloseScriptTag);
  var styleTokens = contentTokenizer("style", styleText, StartCloseStyleTag);
  var textareaTokens = contentTokenizer("textarea", textareaText, StartCloseTextareaTag);
  var htmlHighlighting = styleTags({
    "Text RawText": tags.content,
    "StartTag StartCloseTag SelfClosingEndTag EndTag": tags.angleBracket,
    TagName: tags.tagName,
    "MismatchedCloseTag/TagName": [tags.tagName, tags.invalid],
    AttributeName: tags.attributeName,
    "AttributeValue UnquotedAttributeValue": tags.attributeValue,
    Is: tags.definitionOperator,
    "EntityReference CharacterReference": tags.character,
    Comment: tags.blockComment,
    ProcessingInst: tags.processingInstruction,
    DoctypeDecl: tags.documentMeta
  });
  var parser2 = LRParser.deserialize({
    version: 14,
    states: ",xOVO!rOOO!WQ#tO'#CqO!]Q#tO'#CzO!bQ#tO'#C}O!gQ#tO'#DQO!lQ#tO'#DSO!qOaO'#CpO!|ObO'#CpO#XOdO'#CpO$eO!rO'#CpOOO`'#Cp'#CpO$lO$fO'#DTO$tQ#tO'#DVO$yQ#tO'#DWOOO`'#Dk'#DkOOO`'#DY'#DYQVO!rOOO%OQ&rO,59]O%ZQ&rO,59fO%fQ&rO,59iO%qQ&rO,59lO%|Q&rO,59nOOOa'#D^'#D^O&XOaO'#CxO&dOaO,59[OOOb'#D_'#D_O&lObO'#C{O&wObO,59[OOOd'#D`'#D`O'POdO'#DOO'[OdO,59[OOO`'#Da'#DaO'dO!rO,59[O'kQ#tO'#DROOO`,59[,59[OOOp'#Db'#DbO'pO$fO,59oOOO`,59o,59oO'xQ#|O,59qO'}Q#|O,59rOOO`-E7W-E7WO(SQ&rO'#CsOOQW'#DZ'#DZO(bQ&rO1G.wOOOa1G.w1G.wOOO`1G/Y1G/YO(mQ&rO1G/QOOOb1G/Q1G/QO(xQ&rO1G/TOOOd1G/T1G/TO)TQ&rO1G/WOOO`1G/W1G/WO)`Q&rO1G/YOOOa-E7[-E7[O)kQ#tO'#CyOOO`1G.v1G.vOOOb-E7]-E7]O)pQ#tO'#C|OOOd-E7^-E7^O)uQ#tO'#DPOOO`-E7_-E7_O)zQ#|O,59mOOOp-E7`-E7`OOO`1G/Z1G/ZOOO`1G/]1G/]OOO`1G/^1G/^O*PQ,UO,59_OOQW-E7X-E7XOOOa7+$c7+$cOOO`7+$t7+$tOOOb7+$l7+$lOOOd7+$o7+$oOOO`7+$r7+$rO*[Q#|O,59eO*aQ#|O,59hO*fQ#|O,59kOOO`1G/X1G/XO*kO7[O'#CvO*|OMhO'#CvOOQW1G.y1G.yOOO`1G/P1G/POOO`1G/S1G/SOOO`1G/V1G/VOOOO'#D['#D[O+_O7[O,59bOOQW,59b,59bOOOO'#D]'#D]O+pOMhO,59bOOOO-E7Y-E7YOOQW1G.|1G.|OOOO-E7Z-E7Z",
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    goto: "%p!`PPPPPPPPPPPPPPPPPPPP!a!gP!mPP!yP!|#P#S#Y#]#`#f#i#l#r#x!aP!a!aP$O$U$l$r$x%O%U%[%bPPPPPPPP%hX^OX`pXUOX`pezabcde{!O!Q!S!UR!q!dRhUR!XhXVOX`pRkVR!XkXWOX`pRnWR!XnXXOX`pQrXR!XpXYOX`pQ`ORx`Q{aQ!ObQ!QcQ!SdQ!UeZ!e{!O!Q!S!UQ!v!oR!z!vQ!y!pR!|!yQgUR!VgQjVR!YjQmWR![mQpXR!^pQtZR!`tS_O`ToXp",
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    for (let att of openTag.getChildren(Attribute)) {
      let name2 = att.getChild(AttributeName), value = att.getChild(AttributeValue) || att.getChild(UnquotedAttributeValue);
      if (name2) attrs[input.read(name2.from, name2.to)] = !value ? "" : value.type.id == AttributeValue ? input.read(value.from + 1, value.to - 1) : input.read(value.from, value.to);
    }
    return attrs;
  }
  function findTagName(openTag, input) {
    let tagNameNode = openTag.getChild(TagName);
    return tagNameNode ? input.read(tagNameNode.from, tagNameNode.to) : " ";
  }
  function maybeNest(node, input, tags3) {
    let attrs;
    for (let tag of tags3) {
      if (!tag.attrs || tag.attrs(attrs || (attrs = getAttrs2(node.node.parent.firstChild, input))))
        return { parser: tag.parser };
    }
    return null;
  }
  function configureNesting(tags3 = [], attributes = []) {
    let script = [], style = [], textarea = [], other = [];
    for (let tag of tags3) {
      let array = tag.tag == "script" ? script : tag.tag == "style" ? style : tag.tag == "textarea" ? textarea : other;
      array.push(tag);
    }
    let attrs = attributes.length ? /* @__PURE__ */ Object.create(null) : null;
    for (let attr of attributes) (attrs[attr.name] || (attrs[attr.name] = [])).push(attr);
    return parseMixed((node, input) => {
      let id2 = node.type.id;
      if (id2 == ScriptText) return maybeNest(node, input, script);
      if (id2 == StyleText) return maybeNest(node, input, style);
      if (id2 == TextareaText) return maybeNest(node, input, textarea);
      if (id2 == Element2 && other.length) {
        let n = node.node, open = n.firstChild, tagName = open && findTagName(open, input), attrs2;
        if (tagName) for (let tag of other) {
          if (tag.tag == tagName && (!tag.attrs || tag.attrs(attrs2 || (attrs2 = getAttrs2(open, input))))) {
            let close = n.lastChild;
            let to = close.type.id == CloseTag ? close.from : n.to;
            if (to > open.to)
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          }
        }
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        if (nameNode = n.firstChild) {
          let matches = attrs[input.read(nameNode.from, nameNode.to)];
          if (matches) for (let attr of matches) {
            if (attr.tagName && attr.tagName != findTagName(n.parent, input)) continue;
            let value = n.lastChild;
            if (value.type.id == AttributeValue) {
              let from = value.from + 1;
              let last = value.lastChild, to = value.to - (last && last.isError ? 0 : 1);
              if (to > from) return { parser: attr.parser, overlay: [{ from, to }] };
            } else if (value.type.id == UnquotedAttributeValue) {
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  // node_modules/@lezer/css/dist/index.js
  var descendantOp = 99;
  var Unit = 1;
  var callee = 100;
  var identifier = 101;
  var VariableName = 2;
  var space2 = [
    9,
    10,
    11,
    12,
    13,
    32,
    133,
    160,
    5760,
    8192,
    8193,
    8194,
    8195,
    8196,
    8197,
    8198,
    8199,
    8200,
    8201,
    8202,
    8232,
    8233,
    8239,
    8287,
    12288
  ];
  var colon = 58;
  var parenL = 40;
  var underscore = 95;
  var bracketL = 91;
  var dash2 = 45;
  var period = 46;
  var hash = 35;
  var percent = 37;
  var ampersand = 38;
  var backslash = 92;
  var newline = 10;
  function isAlpha(ch) {
    return ch >= 65 && ch <= 90 || ch >= 97 && ch <= 122 || ch >= 161;
  }
  function isDigit(ch) {
    return ch >= 48 && ch <= 57;
  }
  var identifiers = new ExternalTokenizer((input, stack) => {
    for (let inside2 = false, dashes = 0, i = 0; ; i++) {
      let { next } = input;
      if (isAlpha(next) || next == dash2 || next == underscore || inside2 && isDigit(next)) {
        if (!inside2 && (next != dash2 || i > 0)) inside2 = true;
        if (dashes === i && next == dash2) dashes++;
        input.advance();
      } else if (next == backslash && input.peek(1) != newline) {
        input.advance();
        if (input.next > -1) input.advance();
        inside2 = true;
      } else {
        if (inside2)
          input.acceptToken(next == parenL ? callee : dashes == 2 && stack.canShift(VariableName) ? VariableName : identifier);
        break;
      }
    }
  });
  var descendant = new ExternalTokenizer((input) => {
    if (space2.includes(input.peek(-1))) {
      let { next } = input;
      if (isAlpha(next) || next == underscore || next == hash || next == period || next == bracketL || next == colon && isAlpha(input.peek(1)) || next == dash2 || next == ampersand)
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    }
  });
  var unitToken = new ExternalTokenizer((input) => {
    if (!space2.includes(input.peek(-1))) {
      let { next } = input;
      if (next == percent) {
        input.advance();
        input.acceptToken(Unit);
      }
      if (isAlpha(next)) {
        do {
          input.advance();
        } while (isAlpha(input.next) || isDigit(input.next));
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    }
  });
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    "from to selector": tags.keyword,
    NamespaceName: tags.namespace,
    KeyframeName: tags.labelName,
    KeyframeRangeName: tags.operatorKeyword,
    TagName: tags.tagName,
    ClassName: tags.className,
    PseudoClassName: tags.constant(tags.className),
    IdName: tags.labelName,
    "FeatureName PropertyName": tags.propertyName,
    AttributeName: tags.attributeName,
    NumberLiteral: tags.number,
    KeywordQuery: tags.keyword,
    UnaryQueryOp: tags.operatorKeyword,
    "CallTag ValueName": tags.atom,
    VariableName: tags.variableName,
    Callee: tags.operatorKeyword,
    Unit: tags.unit,
    "UniversalSelector NestingSelector": tags.definitionOperator,
    MatchOp: tags.compareOperator,
    "ChildOp SiblingOp, LogicOp": tags.logicOperator,
    BinOp: tags.arithmeticOperator,
    Important: tags.modifier,
    Comment: tags.blockComment,
    ColorLiteral: tags.color,
    "ParenthesizedContent StringLiteral": tags.string,
    ":": tags.punctuation,
    "PseudoOp #": tags.derefOperator,
    "; ,": tags.separator,
    "( )": tags.paren,
    "[ ]": tags.squareBracket,
    "{ }": tags.brace
  });
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  var spec_AtKeyword = { __proto__: null, "@import": 118, "@media": 142, "@charset": 146, "@namespace": 150, "@keyframes": 156, "@supports": 168 };
  var spec_identifier = { __proto__: null, not: 132, only: 132 };
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    "seagreen",
    "seashell",
    "sienna",
    "silver",
    "skyblue",
    "slateblue",
    "slategray",
    "snow",
    "springgreen",
    "steelblue",
    "tan",
    "teal",
    "thistle",
    "tomato",
    "turquoise",
    "violet",
    "wheat",
    "white",
    "whitesmoke",
    "yellow",
    "yellowgreen"
  ].map((name2) => ({ type: "constant", label: name2 })));
  var tags2 = /* @__PURE__ */ [
    "a",
    "abbr",
    "address",
    "article",
    "aside",
    "b",
    "bdi",
    "bdo",
    "blockquote",
    "body",
    "br",
    "button",
    "canvas",
    "caption",
    "cite",
    "code",
    "col",
    "colgroup",
    "dd",
    "del",
    "details",
    "dfn",
    "dialog",
    "div",
    "dl",
    "dt",
    "em",
    "figcaption",
    "figure",
    "footer",
    "form",
    "header",
    "hgroup",
    "h1",
    "h2",
    "h3",
    "h4",
    "h5",
    "h6",
    "hr",
    "html",
    "i",
    "iframe",
    "img",
    "input",
    "ins",
    "kbd",
    "label",
    "legend",
    "li",
    "main",
    "meter",
    "nav",
    "ol",
    "output",
    "p",
    "pre",
    "ruby",
    "section",
    "select",
    "small",
    "source",
    "span",
    "strong",
    "sub",
    "summary",
    "sup",
    "table",
    "tbody",
    "td",
    "template",
    "textarea",
    "tfoot",
    "th",
    "thead",
    "tr",
    "u",
    "ul"
  ].map((name2) => ({ type: "type", label: name2 }));
  var identifier2 = /^(\w[\w-]*|-\w[\w-]*|)$/;
  var variable = /^-(-[\w-]*)?$/;
  function isVarArg(node, doc2) {
    var _a2;
    if (node.name == "(" || node.type.isError)
      node = node.parent || node;
    if (node.name != "ArgList")
      return false;
    let callee2 = (_a2 = node.parent) === null || _a2 === void 0 ? void 0 : _a2.firstChild;
    if ((callee2 === null || callee2 === void 0 ? void 0 : callee2.name) != "Callee")
      return false;
    return doc2.sliceString(callee2.from, callee2.to) == "var";
  }
  var VariablesByNode = /* @__PURE__ */ new NodeWeakMap();
  var declSelector = ["Declaration"];
  function astTop(node) {
    for (let cur2 = node; ; ) {
      if (cur2.type.isTop)
        return cur2;
      if (!(cur2 = cur2.parent))
        return node;
    }
  }
  function variableNames(doc2, node, isVariable) {
    if (node.to - node.from > 4096) {
      let known = VariablesByNode.get(node);
      if (known)
        return known;
      let result = [], seen = /* @__PURE__ */ new Set(), cursor = node.cursor(IterMode.IncludeAnonymous);
      if (cursor.firstChild())
        do {
          for (let option of variableNames(doc2, cursor.node, isVariable))
            if (!seen.has(option.label)) {
              seen.add(option.label);
              result.push(option);
            }
        } while (cursor.nextSibling());
      VariablesByNode.set(node, result);
      return result;
    } else {
      let result = [], seen = /* @__PURE__ */ new Set();
      node.cursor().iterate((node2) => {
        var _a2;
        if (isVariable(node2) && node2.matchContext(declSelector) && ((_a2 = node2.node.nextSibling) === null || _a2 === void 0 ? void 0 : _a2.name) == ":") {
          let name2 = doc2.sliceString(node2.from, node2.to);
          if (!seen.has(name2)) {
            seen.add(name2);
            result.push({ label: name2, type: "variable" });
          }
        }
      });
      return result;
    }
  }
  var defineCSSCompletionSource = (isVariable) => (context) => {
    let { state, pos } = context, node = syntaxTree(state).resolveInner(pos, -1);
    let isDash = node.type.isError && node.from == node.to - 1 && state.doc.sliceString(node.from, node.to) == "-";
    if (node.name == "PropertyName" || (isDash || node.name == "TagName") && /^(Block|Styles)$/.test(node.resolve(node.to).name))
      return { from: node.from, options: properties(), validFor: identifier2 };
    if (node.name == "ValueName")
      return { from: node.from, options: values, validFor: identifier2 };
    if (node.name == "PseudoClassName")
      return { from: node.from, options: pseudoClasses, validFor: identifier2 };
    if (isVariable(node) || (context.explicit || isDash) && isVarArg(node, state.doc))
      return {
        from: isVariable(node) || isDash ? node.from : pos,
        options: variableNames(state.doc, astTop(node), isVariable),
        validFor: variable
      };
    if (node.name == "TagName") {
      for (let { parent } = node; parent; parent = parent.parent)
        if (parent.name == "Block")
          return { from: node.from, options: properties(), validFor: identifier2 };
      return { from: node.from, options: tags2, validFor: identifier2 };
    }
    if (!context.explicit)
      return null;
    let above = node.resolve(pos), before = above.childBefore(pos);
    if (before && before.name == ":" && above.name == "PseudoClassSelector")
      return { from: pos, options: pseudoClasses, validFor: identifier2 };
    if (before && before.name == ":" && above.name == "Declaration" || above.name == "ArgList")
      return { from: pos, options: values, validFor: identifier2 };
    if (above.name == "Block" || above.name == "Styles")
      return { from: pos, options: properties(), validFor: identifier2 };
    return null;
  };
  var cssCompletionSource = /* @__PURE__ */ defineCSSCompletionSource((n) => n.name == "VariableName");
  var cssLanguage = /* @__PURE__ */ LRLanguage.define({
    name: "css",
    parser: /* @__PURE__ */ parser3.configure({
      props: [
        /* @__PURE__ */ indentNodeProp.add({
          Declaration: /* @__PURE__ */ continuedIndent()
        }),
        /* @__PURE__ */ foldNodeProp.add({
          "Block KeyframeList": foldInside
        })
      ]
    }),
    languageData: {
      commentTokens: { block: { open: "/*", close: "*/" } },
      indentOnInput: /^\s*\}$/,
      wordChars: "-"
    }
  });
  function css() {
    return new LanguageSupport(cssLanguage, cssLanguage.data.of({ autocomplete: cssCompletionSource }));
  }

  // node_modules/@lezer/javascript/dist/index.js
  var noSemi = 312;
  var incdec = 1;
  var incdecPrefix = 2;
  var questionDot = 3;
  var JSXStartTag = 4;
  var insertSemi = 313;
  var spaces = 315;
  var newline2 = 316;
  var LineComment = 5;
  var BlockComment = 6;
  var Dialect_jsx = 0;
  var space3 = [
    9,
    10,
    11,
    12,
    13,
    32,
    133,
    160,
    5760,
    8192,
    8193,
    8194,
    8195,
    8196,
    8197,
    8198,
    8199,
    8200,
    8201,
    8202,
    8232,
    8233,
    8239,
    8287,
    12288
  ];
  var braceR = 125;
  var semicolon = 59;
  var slash2 = 47;
  var star = 42;
  var plus = 43;
  var minus = 45;
  var lt = 60;
  var comma = 44;
  var question2 = 63;
  var dot = 46;
  var trackNewline = new ContextTracker({
    start: false,
    shift(context, term) {
      return term == LineComment || term == BlockComment || term == spaces ? context : term == newline2;
    },
    strict: false
  });
  var insertSemicolon = new ExternalTokenizer((input, stack) => {
    let { next } = input;
    if (next == braceR || next == -1 || stack.context)
      input.acceptToken(insertSemi);
  }, { contextual: true, fallback: true });
  var noSemicolon = new ExternalTokenizer((input, stack) => {
    let { next } = input, after;
    if (space3.indexOf(next) > -1) return;
    if (next == slash2 && ((after = input.peek(1)) == slash2 || after == star)) return;
    if (next != braceR && next != semicolon && next != -1 && !stack.context)
      input.acceptToken(noSemi);
  }, { contextual: true });
  var operatorToken = new ExternalTokenizer((input, stack) => {
    let { next } = input;
    if (next == plus || next == minus) {
      input.advance();
      if (next == input.next) {
        input.advance();
        let mayPostfix = !stack.context && stack.canShift(incdec);
        input.acceptToken(mayPostfix ? incdec : incdecPrefix);
      }
    } else if (next == question2 && input.peek(1) == dot) {
      input.advance();
      input.advance();
      if (input.next < 48 || input.next > 57)
        input.acceptToken(questionDot);
    }
  }, { contextual: true });
  function identifierChar(ch, start) {
    return ch >= 65 && ch <= 90 || ch >= 97 && ch <= 122 || ch == 95 || ch >= 192 || !start && ch >= 48 && ch <= 57;
  }
  var jsx = new ExternalTokenizer((input, stack) => {
    if (input.next != lt || !stack.dialectEnabled(Dialect_jsx)) return;
    input.advance();
    if (input.next == slash2) return;
    let back = 0;
    while (space3.indexOf(input.next) > -1) {
      input.advance();
      back++;
    }
    if (identifierChar(input.next, true)) {
      input.advance();
      back++;
      while (identifierChar(input.next, false)) {
        input.advance();
        back++;
      }
      while (space3.indexOf(input.next) > -1) {
        input.advance();
        back++;
      }
      if (input.next == comma) return;
      for (let i = 0; ; i++) {
        if (i == 7) {
          if (!identifierChar(input.next, true)) return;
          break;
        }
        if (input.next != "extends".charCodeAt(i)) break;
        input.advance();
        back++;
      }
    }
    input.acceptToken(JSXStartTag, -back);
  });
  var jsHighlight = styleTags({
    "get set async static": tags.modifier,
    "for while do if else switch try catch finally return throw break continue default case": tags.controlKeyword,
    "in of await yield void typeof delete instanceof": tags.operatorKeyword,
    "let var const using function class extends": tags.definitionKeyword,
    "import export from": tags.moduleKeyword,
    "with debugger as new": tags.keyword,
    TemplateString: tags.special(tags.string),
    super: tags.atom,
    BooleanLiteral: tags.bool,
    this: tags.self,
    null: tags.null,
    Star: tags.modifier,
    VariableName: tags.variableName,
    "CallExpression/VariableName TaggedTemplateExpression/VariableName": tags.function(tags.variableName),
    VariableDefinition: tags.definition(tags.variableName),
    Label: tags.labelName,
    PropertyName: tags.propertyName,
    PrivatePropertyName: tags.special(tags.propertyName),
    "CallExpression/MemberExpression/PropertyName": tags.function(tags.propertyName),
    "FunctionDeclaration/VariableDefinition": tags.function(tags.definition(tags.variableName)),
    "ClassDeclaration/VariableDefinition": tags.definition(tags.className),
    PropertyDefinition: tags.definition(tags.propertyName),
    PrivatePropertyDefinition: tags.definition(tags.special(tags.propertyName)),
    UpdateOp: tags.updateOperator,
    "LineComment Hashbang": tags.lineComment,
    BlockComment: tags.blockComment,
    Number: tags.number,
    String: tags.string,
    Escape: tags.escape,
    ArithOp: tags.arithmeticOperator,
    LogicOp: tags.logicOperator,
    BitOp: tags.bitwiseOperator,
    CompareOp: tags.compareOperator,
    RegExp: tags.regexp,
    Equals: tags.definitionOperator,
    Arrow: tags.function(tags.punctuation),
    ": Spread": tags.punctuation,
    "( )": tags.paren,
    "[ ]": tags.squareBracket,
    "{ }": tags.brace,
    "InterpolationStart InterpolationEnd": tags.special(tags.brace),
    ".": tags.derefOperator,
    ", ;": tags.separator,
    "@": tags.meta,
    TypeName: tags.typeName,
    TypeDefinition: tags.definition(tags.typeName),
    "type enum interface implements namespace module declare": tags.definitionKeyword,
    "abstract global Privacy readonly override": tags.modifier,
    "is keyof unique infer": tags.operatorKeyword,
    JSXAttributeValue: tags.attributeValue,
    JSXText: tags.content,
    "JSXStartTag JSXStartCloseTag JSXSelfCloseEndTag JSXEndTag": tags.angleBracket,
    "JSXIdentifier JSXNameSpacedName": tags.tagName,
    "JSXAttribute/JSXIdentifier JSXAttribute/JSXNameSpacedName": tags.attributeName,
    "JSXBuiltin/JSXIdentifier": tags.standard(tags.tagName)
  });
  var spec_identifier2 = { __proto__: null, export: 20, as: 25, from: 33, default: 36, async: 41, function: 42, extends: 54, this: 58, true: 66, false: 66, null: 78, void: 82, typeof: 86, super: 102, new: 136, delete: 148, yield: 157, await: 161, class: 166, public: 229, private: 229, protected: 229, readonly: 231, instanceof: 250, satisfies: 253, in: 254, const: 256, import: 290, keyof: 345, unique: 349, infer: 355, is: 391, abstract: 411, implements: 413, type: 415, let: 418, var: 420, using: 423, interface: 429, enum: 433, namespace: 439, module: 441, declare: 445, global: 449, for: 468, of: 477, while: 480, with: 484, do: 488, if: 492, else: 494, switch: 498, case: 504, try: 510, catch: 514, finally: 518, return: 522, throw: 526, break: 530, continue: 534, debugger: 538 };
  var spec_word = { __proto__: null, async: 123, get: 125, set: 127, declare: 189, public: 191, private: 191, protected: 191, static: 193, abstract: 195, override: 197, readonly: 203, accessor: 205, new: 395 };
  var spec_LessThan = { __proto__: null, "<": 187 };
  var parser4 = LRParser.deserialize({
    version: 14,
    states: 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  // node_modules/@codemirror/lang-javascript/dist/index.js
  var snippets = [
    /* @__PURE__ */ snippetCompletion("function ${name}(${params}) {\n	${}\n}", {
      label: "function",
      detail: "definition",
      type: "keyword"
    }),
    /* @__PURE__ */ snippetCompletion("for (let ${index} = 0; ${index} < ${bound}; ${index}++) {\n	${}\n}", {
      label: "for",
      detail: "loop",
      type: "keyword"
    }),
    /* @__PURE__ */ snippetCompletion("for (let ${name} of ${collection}) {\n	${}\n}", {
      label: "for",
      detail: "of loop",
      type: "keyword"
    }),
    /* @__PURE__ */ snippetCompletion("do {\n	${}\n} while (${})", {
      label: "do",
      detail: "loop",
      type: "keyword"
    }),
    /* @__PURE__ */ snippetCompletion("while (${}) {\n	${}\n}", {
      label: "while",
      detail: "loop",
      type: "keyword"
    }),
    /* @__PURE__ */ snippetCompletion("try {\n	${}\n} catch (${error}) {\n	${}\n}", {
      label: "try",
      detail: "/ catch block",
      type: "keyword"
    }),
    /* @__PURE__ */ snippetCompletion("if (${}) {\n	${}\n}", {
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      detail: "block",
      type: "keyword"
    }),
    /* @__PURE__ */ snippetCompletion("if (${}) {\n	${}\n} else {\n	${}\n}", {
      label: "if",
      detail: "/ else block",
      type: "keyword"
    }),
    /* @__PURE__ */ snippetCompletion("class ${name} {\n	constructor(${params}) {\n		${}\n	}\n}", {
      label: "class",
      detail: "definition",
      type: "keyword"
    }),
    /* @__PURE__ */ snippetCompletion('import {${names}} from "${module}"\n${}', {
      label: "import",
      detail: "named",
      type: "keyword"
    }),
    /* @__PURE__ */ snippetCompletion('import ${name} from "${module}"\n${}', {
      label: "import",
      detail: "default",
      type: "keyword"
    })
  ];
  var typescriptSnippets = /* @__PURE__ */ snippets.concat([
    /* @__PURE__ */ snippetCompletion("interface ${name} {\n	${}\n}", {
      label: "interface",
      detail: "definition",
      type: "keyword"
    }),
    /* @__PURE__ */ snippetCompletion("type ${name} = ${type}", {
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      detail: "definition",
      type: "keyword"
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    /* @__PURE__ */ snippetCompletion("enum ${name} {\n	${}\n}", {
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      detail: "definition",
      type: "keyword"
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  ]);
  var cache = /* @__PURE__ */ new NodeWeakMap();
  var ScopeNodes = /* @__PURE__ */ new Set([
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    "Block",
    "FunctionExpression",
    "FunctionDeclaration",
    "ArrowFunction",
    "MethodDeclaration",
    "ForStatement"
  ]);
  function defID(type) {
    return (node, def) => {
      let id2 = node.node.getChild("VariableDefinition");
      if (id2)
        def(id2, type);
      return true;
    };
  }
  var functionContext = ["FunctionDeclaration"];
  var gatherCompletions = {
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    ClassDeclaration: /* @__PURE__ */ defID("class"),
    ClassExpression: () => true,
    EnumDeclaration: /* @__PURE__ */ defID("constant"),
    TypeAliasDeclaration: /* @__PURE__ */ defID("type"),
    NamespaceDeclaration: /* @__PURE__ */ defID("namespace"),
    VariableDefinition(node, def) {
      if (!node.matchContext(functionContext))
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    },
    TypeDefinition(node, def) {
      def(node, "type");
    },
    __proto__: null
  };
  function getScope(doc2, node) {
    let cached = cache.get(node);
    if (cached)
      return cached;
    let completions = [], top2 = true;
    function def(node2, type) {
      let name2 = doc2.sliceString(node2.from, node2.to);
      completions.push({ label: name2, type });
    }
    node.cursor(IterMode.IncludeAnonymous).iterate((node2) => {
      if (top2) {
        top2 = false;
      } else if (node2.name) {
        let gather = gatherCompletions[node2.name];
        if (gather && gather(node2, def) || ScopeNodes.has(node2.name))
          return false;
      } else if (node2.to - node2.from > 8192) {
        for (let c of getScope(doc2, node2.node))
          completions.push(c);
        return false;
      }
    });
    cache.set(node, completions);
    return completions;
  }
  var Identifier = /^[\w$\xa1-\uffff][\w$\d\xa1-\uffff]*$/;
  var dontComplete = [
    "TemplateString",
    "String",
    "RegExp",
    "LineComment",
    "BlockComment",
    "VariableDefinition",
    "TypeDefinition",
    "Label",
    "PropertyDefinition",
    "PropertyName",
    "PrivatePropertyDefinition",
    "PrivatePropertyName",
    ".",
    "?."
  ];
  function localCompletionSource(context) {
    let inner = syntaxTree(context.state).resolveInner(context.pos, -1);
    if (dontComplete.indexOf(inner.name) > -1)
      return null;
    let isWord = inner.name == "VariableName" || inner.to - inner.from < 20 && Identifier.test(context.state.sliceDoc(inner.from, inner.to));
    if (!isWord && !context.explicit)
      return null;
    let options = [];
    for (let pos = inner; pos; pos = pos.parent) {
      if (ScopeNodes.has(pos.name))
        options = options.concat(getScope(context.state.doc, pos));
    }
    return {
      options,
      from: isWord ? inner.from : context.pos,
      validFor: Identifier
    };
  }
  var javascriptLanguage = /* @__PURE__ */ LRLanguage.define({
    name: "javascript",
    parser: /* @__PURE__ */ parser4.configure({
      props: [
        /* @__PURE__ */ indentNodeProp.add({
          IfStatement: /* @__PURE__ */ continuedIndent({ except: /^\s*({|else\b)/ }),
          TryStatement: /* @__PURE__ */ continuedIndent({ except: /^\s*({|catch\b|finally\b)/ }),
          LabeledStatement: flatIndent,
          SwitchBody: (context) => {
            let after = context.textAfter, closed = /^\s*\}/.test(after), isCase = /^\s*(case|default)\b/.test(after);
            return context.baseIndent + (closed ? 0 : isCase ? 1 : 2) * context.unit;
          },
          Block: /* @__PURE__ */ delimitedIndent({ closing: "}" }),
          ArrowFunction: (cx) => cx.baseIndent + cx.unit,
          "TemplateString BlockComment": () => null,
          "Statement Property": /* @__PURE__ */ continuedIndent({ except: /^{/ }),
          JSXElement(context) {
            let closed = /^\s*<\//.test(context.textAfter);
            return context.lineIndent(context.node.from) + (closed ? 0 : context.unit);
          },
          JSXEscape(context) {
            let closed = /\s*\}/.test(context.textAfter);
            return context.lineIndent(context.node.from) + (closed ? 0 : context.unit);
          },
          "JSXOpenTag JSXSelfClosingTag"(context) {
            return context.column(context.node.from) + context.unit;
          }
        }),
        /* @__PURE__ */ foldNodeProp.add({
          "Block ClassBody SwitchBody EnumBody ObjectExpression ArrayExpression ObjectType": foldInside,
          BlockComment(tree) {
            return { from: tree.from + 2, to: tree.to - 2 };
          }
        })
      ]
    }),
    languageData: {
      closeBrackets: { brackets: ["(", "[", "{", "'", '"', "`"] },
      commentTokens: { line: "//", block: { open: "/*", close: "*/" } },
      indentOnInput: /^\s*(?:case |default:|\{|\}|<\/)$/,
      wordChars: "$"
    }
  });
  var jsxSublanguage = {
    test: (node) => /^JSX/.test(node.name),
    facet: /* @__PURE__ */ defineLanguageFacet({ commentTokens: { block: { open: "{/*", close: "*/}" } } })
  };
  var typescriptLanguage = /* @__PURE__ */ javascriptLanguage.configure({ dialect: "ts" }, "typescript");
  var jsxLanguage = /* @__PURE__ */ javascriptLanguage.configure({
    dialect: "jsx",
    props: [/* @__PURE__ */ sublanguageProp.add((n) => n.isTop ? [jsxSublanguage] : void 0)]
  });
  var tsxLanguage = /* @__PURE__ */ javascriptLanguage.configure({
    dialect: "jsx ts",
    props: [/* @__PURE__ */ sublanguageProp.add((n) => n.isTop ? [jsxSublanguage] : void 0)]
  }, "typescript");
  var kwCompletion = (name2) => ({ label: name2, type: "keyword" });
  var keywords = /* @__PURE__ */ "break case const continue default delete export extends false finally in instanceof let new return static super switch this throw true typeof var yield".split(" ").map(kwCompletion);
  var typescriptKeywords = /* @__PURE__ */ keywords.concat(/* @__PURE__ */ ["declare", "implements", "private", "protected", "public"].map(kwCompletion));
  function javascript(config2 = {}) {
    let lang = config2.jsx ? config2.typescript ? tsxLanguage : jsxLanguage : config2.typescript ? typescriptLanguage : javascriptLanguage;
    let completions = config2.typescript ? typescriptSnippets.concat(typescriptKeywords) : snippets.concat(keywords);
    return new LanguageSupport(lang, [
      javascriptLanguage.data.of({
        autocomplete: ifNotIn(dontComplete, completeFromList(completions))
      }),
      javascriptLanguage.data.of({
        autocomplete: localCompletionSource
      }),
      config2.jsx ? autoCloseTags : []
    ]);
  }
  function findOpenTag(node) {
    for (; ; ) {
      if (node.name == "JSXOpenTag" || node.name == "JSXSelfClosingTag" || node.name == "JSXFragmentTag")
        return node;
      if (node.name == "JSXEscape" || !node.parent)
        return null;
      node = node.parent;
    }
  }
  function elementName(doc2, tree, max = doc2.length) {
    for (let ch = tree === null || tree === void 0 ? void 0 : tree.firstChild; ch; ch = ch.nextSibling) {
      if (ch.name == "JSXIdentifier" || ch.name == "JSXBuiltin" || ch.name == "JSXNamespacedName" || ch.name == "JSXMemberExpression")
        return doc2.sliceString(ch.from, Math.min(ch.to, max));
    }
    return "";
  }
  var android2 = typeof navigator == "object" && /* @__PURE__ */ /Android\b/.test(navigator.userAgent);
  var autoCloseTags = /* @__PURE__ */ EditorView.inputHandler.of((view, from, to, text, defaultInsert) => {
    if ((android2 ? view.composing : view.compositionStarted) || view.state.readOnly || from != to || text != ">" && text != "/" || !javascriptLanguage.isActiveAt(view.state, from, -1))
      return false;
    let base2 = defaultInsert(), { state } = base2;
    let closeTags = state.changeByRange((range) => {
      var _a2;
      let { head } = range, around = syntaxTree(state).resolveInner(head - 1, -1), name2;
      if (around.name == "JSXStartTag")
        around = around.parent;
      if (state.doc.sliceString(head - 1, head) != text || around.name == "JSXAttributeValue" && around.to > head) ;
      else if (text == ">" && around.name == "JSXFragmentTag") {
        return { range, changes: { from: head, insert: `</>` } };
      } else if (text == "/" && around.name == "JSXStartCloseTag") {
        let empty2 = around.parent, base3 = empty2.parent;
        if (base3 && empty2.from == head - 2 && ((name2 = elementName(state.doc, base3.firstChild, head)) || ((_a2 = base3.firstChild) === null || _a2 === void 0 ? void 0 : _a2.name) == "JSXFragmentTag")) {
          let insert2 = `${name2}>`;
          return { range: EditorSelection.cursor(head + insert2.length, -1), changes: { from: head, insert: insert2 } };
        }
      } else if (text == ">") {
        let openTag = findOpenTag(around);
        if (openTag && openTag.name == "JSXOpenTag" && !/^\/?>|^<\//.test(state.doc.sliceString(head, head + 2)) && (name2 = elementName(state.doc, openTag, head)))
          return { range, changes: { from: head, insert: `</${name2}>` } };
      }
      return { range };
    });
    if (closeTags.changes.empty)
      return false;
    view.dispatch([
      base2,
      state.update(closeTags, { userEvent: "input.complete", scrollIntoView: true })
    ]);
    return true;
  });

  // node_modules/@codemirror/lang-html/dist/index.js
  var Targets = ["_blank", "_self", "_top", "_parent"];
  var Charsets = ["ascii", "utf-8", "utf-16", "latin1", "latin1"];
  var Methods = ["get", "post", "put", "delete"];
  var Encs = ["application/x-www-form-urlencoded", "multipart/form-data", "text/plain"];
  var Bool = ["true", "false"];
  var S = {};
  var Tags = {
    a: {
      attrs: {
        href: null,
        ping: null,
        type: null,
        media: null,
        target: Targets,
        hreflang: null
      }
    },
    abbr: S,
    address: S,
    area: {
      attrs: {
        alt: null,
        coords: null,
        href: null,
        target: null,
        ping: null,
        media: null,
        hreflang: null,
        type: null,
        shape: ["default", "rect", "circle", "poly"]
      }
    },
    article: S,
    aside: S,
    audio: {
      attrs: {
        src: null,
        mediagroup: null,
        crossorigin: ["anonymous", "use-credentials"],
        preload: ["none", "metadata", "auto"],
        autoplay: ["autoplay"],
        loop: ["loop"],
        controls: ["controls"]
      }
    },
    b: S,
    base: { attrs: { href: null, target: Targets } },
    bdi: S,
    bdo: S,
    blockquote: { attrs: { cite: null } },
    body: S,
    br: S,
    button: {
      attrs: {
        form: null,
        formaction: null,
        name: null,
        value: null,
        autofocus: ["autofocus"],
        disabled: ["autofocus"],
        formenctype: Encs,
        formmethod: Methods,
        formnovalidate: ["novalidate"],
        formtarget: Targets,
        type: ["submit", "reset", "button"]
      }
    },
    canvas: { attrs: { width: null, height: null } },
    caption: S,
    center: S,
    cite: S,
    code: S,
    col: { attrs: { span: null } },
    colgroup: { attrs: { span: null } },
    command: {
      attrs: {
        type: ["command", "checkbox", "radio"],
        label: null,
        icon: null,
        radiogroup: null,
        command: null,
        title: null,
        disabled: ["disabled"],
        checked: ["checked"]
      }
    },
    data: { attrs: { value: null } },
    datagrid: { attrs: { disabled: ["disabled"], multiple: ["multiple"] } },
    datalist: { attrs: { data: null } },
    dd: S,
    del: { attrs: { cite: null, datetime: null } },
    details: { attrs: { open: ["open"] } },
    dfn: S,
    div: S,
    dl: S,
    dt: S,
    em: S,
    embed: { attrs: { src: null, type: null, width: null, height: null } },
    eventsource: { attrs: { src: null } },
    fieldset: { attrs: { disabled: ["disabled"], form: null, name: null } },
    figcaption: S,
    figure: S,
    footer: S,
    form: {
      attrs: {
        action: null,
        name: null,
        "accept-charset": Charsets,
        autocomplete: ["on", "off"],
        enctype: Encs,
        method: Methods,
        novalidate: ["novalidate"],
        target: Targets
      }
    },
    h1: S,
    h2: S,
    h3: S,
    h4: S,
    h5: S,
    h6: S,
    head: {
      children: ["title", "base", "link", "style", "meta", "script", "noscript", "command"]
    },
    header: S,
    hgroup: S,
    hr: S,
    html: {
      attrs: { manifest: null }
    },
    i: S,
    iframe: {
      attrs: {
        src: null,
        srcdoc: null,
        name: null,
        width: null,
        height: null,
        sandbox: ["allow-top-navigation", "allow-same-origin", "allow-forms", "allow-scripts"],
        seamless: ["seamless"]
      }
    },
    img: {
      attrs: {
        alt: null,
        src: null,
        ismap: null,
        usemap: null,
        width: null,
        height: null,
        crossorigin: ["anonymous", "use-credentials"]
      }
    },
    input: {
      attrs: {
        alt: null,
        dirname: null,
        form: null,
        formaction: null,
        height: null,
        list: null,
        max: null,
        maxlength: null,
        min: null,
        name: null,
        pattern: null,
        placeholder: null,
        size: null,
        src: null,
        step: null,
        value: null,
        width: null,
        accept: ["audio/*", "video/*", "image/*"],
        autocomplete: ["on", "off"],
        autofocus: ["autofocus"],
        checked: ["checked"],
        disabled: ["disabled"],
        formenctype: Encs,
        formmethod: Methods,
        formnovalidate: ["novalidate"],
        formtarget: Targets,
        multiple: ["multiple"],
        readonly: ["readonly"],
        required: ["required"],
        type: [
          "hidden",
          "text",
          "search",
          "tel",
          "url",
          "email",
          "password",
          "datetime",
          "date",
          "month",
          "week",
          "time",
          "datetime-local",
          "number",
          "range",
          "color",
          "checkbox",
          "radio",
          "file",
          "submit",
          "image",
          "reset",
          "button"
        ]
      }
    },
    ins: { attrs: { cite: null, datetime: null } },
    kbd: S,
    keygen: {
      attrs: {
        challenge: null,
        form: null,
        name: null,
        autofocus: ["autofocus"],
        disabled: ["disabled"],
        keytype: ["RSA"]
      }
    },
    label: { attrs: { for: null, form: null } },
    legend: S,
    li: { attrs: { value: null } },
    link: {
      attrs: {
        href: null,
        type: null,
        hreflang: null,
        media: null,
        sizes: ["all", "16x16", "16x16 32x32", "16x16 32x32 64x64"]
      }
    },
    map: { attrs: { name: null } },
    mark: S,
    menu: { attrs: { label: null, type: ["list", "context", "toolbar"] } },
    meta: {
      attrs: {
        content: null,
        charset: Charsets,
        name: ["viewport", "application-name", "author", "description", "generator", "keywords"],
        "http-equiv": ["content-language", "content-type", "default-style", "refresh"]
      }
    },
    meter: { attrs: { value: null, min: null, low: null, high: null, max: null, optimum: null } },
    nav: S,
    noscript: S,
    object: {
      attrs: {
        data: null,
        type: null,
        name: null,
        usemap: null,
        form: null,
        width: null,
        height: null,
        typemustmatch: ["typemustmatch"]
      }
    },
    ol: {
      attrs: { reversed: ["reversed"], start: null, type: ["1", "a", "A", "i", "I"] },
      children: ["li", "script", "template", "ul", "ol"]
    },
    optgroup: { attrs: { disabled: ["disabled"], label: null } },
    option: { attrs: { disabled: ["disabled"], label: null, selected: ["selected"], value: null } },
    output: { attrs: { for: null, form: null, name: null } },
    p: S,
    param: { attrs: { name: null, value: null } },
    pre: S,
    progress: { attrs: { value: null, max: null } },
    q: { attrs: { cite: null } },
    rp: S,
    rt: S,
    ruby: S,
    samp: S,
    script: {
      attrs: {
        type: ["text/javascript"],
        src: null,
        async: ["async"],
        defer: ["defer"],
        charset: Charsets
      }
    },
    section: S,
    select: {
      attrs: {
        form: null,
        name: null,
        size: null,
        autofocus: ["autofocus"],
        disabled: ["disabled"],
        multiple: ["multiple"]
      }
    },
    slot: { attrs: { name: null } },
    small: S,
    source: { attrs: { src: null, type: null, media: null } },
    span: S,
    strong: S,
    style: {
      attrs: {
        type: ["text/css"],
        media: null,
        scoped: null
      }
    },
    sub: S,
    summary: S,
    sup: S,
    table: S,
    tbody: S,
    td: { attrs: { colspan: null, rowspan: null, headers: null } },
    template: S,
    textarea: {
      attrs: {
        dirname: null,
        form: null,
        maxlength: null,
        name: null,
        placeholder: null,
        rows: null,
        cols: null,
        autofocus: ["autofocus"],
        disabled: ["disabled"],
        readonly: ["readonly"],
        required: ["required"],
        wrap: ["soft", "hard"]
      }
    },
    tfoot: S,
    th: { attrs: { colspan: null, rowspan: null, headers: null, scope: ["row", "col", "rowgroup", "colgroup"] } },
    thead: S,
    time: { attrs: { datetime: null } },
    title: S,
    tr: S,
    track: {
      attrs: {
        src: null,
        label: null,
        default: null,
        kind: ["subtitles", "captions", "descriptions", "chapters", "metadata"],
        srclang: null
      }
    },
    ul: { children: ["li", "script", "template", "ul", "ol"] },
    var: S,
    video: {
      attrs: {
        src: null,
        poster: null,
        width: null,
        height: null,
        crossorigin: ["anonymous", "use-credentials"],
        preload: ["auto", "metadata", "none"],
        autoplay: ["autoplay"],
        mediagroup: ["movie"],
        muted: ["muted"],
        controls: ["controls"]
      }
    },
    wbr: S
  };
  var GlobalAttrs = {
    accesskey: null,
    class: null,
    contenteditable: Bool,
    contextmenu: null,
    dir: ["ltr", "rtl", "auto"],
    draggable: ["true", "false", "auto"],
    dropzone: ["copy", "move", "link", "string:", "file:"],
    hidden: ["hidden"],
    id: null,
    inert: ["inert"],
    itemid: null,
    itemprop: null,
    itemref: null,
    itemscope: ["itemscope"],
    itemtype: null,
    lang: ["ar", "bn", "de", "en-GB", "en-US", "es", "fr", "hi", "id", "ja", "pa", "pt", "ru", "tr", "zh"],
    spellcheck: Bool,
    autocorrect: Bool,
    autocapitalize: Bool,
    style: null,
    tabindex: null,
    title: null,
    translate: ["yes", "no"],
    rel: ["stylesheet", "alternate", "author", "bookmark", "help", "license", "next", "nofollow", "noreferrer", "prefetch", "prev", "search", "tag"],
    role: /* @__PURE__ */ "alert application article banner button cell checkbox complementary contentinfo dialog document feed figure form grid gridcell heading img list listbox listitem main navigation region row rowgroup search switch tab table tabpanel textbox timer".split(" "),
    "aria-activedescendant": null,
    "aria-atomic": Bool,
    "aria-autocomplete": ["inline", "list", "both", "none"],
    "aria-busy": Bool,
    "aria-checked": ["true", "false", "mixed", "undefined"],
    "aria-controls": null,
    "aria-describedby": null,
    "aria-disabled": Bool,
    "aria-dropeffect": null,
    "aria-expanded": ["true", "false", "undefined"],
    "aria-flowto": null,
    "aria-grabbed": ["true", "false", "undefined"],
    "aria-haspopup": Bool,
    "aria-hidden": Bool,
    "aria-invalid": ["true", "false", "grammar", "spelling"],
    "aria-label": null,
    "aria-labelledby": null,
    "aria-level": null,
    "aria-live": ["off", "polite", "assertive"],
    "aria-multiline": Bool,
    "aria-multiselectable": Bool,
    "aria-owns": null,
    "aria-posinset": null,
    "aria-pressed": ["true", "false", "mixed", "undefined"],
    "aria-readonly": Bool,
    "aria-relevant": null,
    "aria-required": Bool,
    "aria-selected": ["true", "false", "undefined"],
    "aria-setsize": null,
    "aria-sort": ["ascending", "descending", "none", "other"],
    "aria-valuemax": null,
    "aria-valuemin": null,
    "aria-valuenow": null,
    "aria-valuetext": null
  };
  var eventAttributes = /* @__PURE__ */ "beforeunload copy cut dragstart dragover dragleave dragenter dragend drag paste focus blur change click load mousedown mouseenter mouseleave mouseup keydown keyup resize scroll unload".split(" ").map((n) => "on" + n);
  for (let a of eventAttributes)
    GlobalAttrs[a] = null;
  var Schema = class {
    constructor(extraTags, extraAttrs) {
      this.tags = Object.assign(Object.assign({}, Tags), extraTags);
      this.globalAttrs = Object.assign(Object.assign({}, GlobalAttrs), extraAttrs);
      this.allTags = Object.keys(this.tags);
      this.globalAttrNames = Object.keys(this.globalAttrs);
    }
  };
  Schema.default = /* @__PURE__ */ new Schema();
  function elementName2(doc2, tree, max = doc2.length) {
    if (!tree)
      return "";
    let tag = tree.firstChild;
    let name2 = tag && tag.getChild("TagName");
    return name2 ? doc2.sliceString(name2.from, Math.min(name2.to, max)) : "";
  }
  function findParentElement(tree, skip = false) {
    for (; tree; tree = tree.parent)
      if (tree.name == "Element") {
        if (skip)
          skip = false;
        else
          return tree;
      }
    return null;
  }
  function allowedChildren(doc2, tree, schema) {
    let parentInfo = schema.tags[elementName2(doc2, findParentElement(tree))];
    return (parentInfo === null || parentInfo === void 0 ? void 0 : parentInfo.children) || schema.allTags;
  }
  function openTags(doc2, tree) {
    let open = [];
    for (let parent = findParentElement(tree); parent && !parent.type.isTop; parent = findParentElement(parent.parent)) {
      let tagName = elementName2(doc2, parent);
      if (tagName && parent.lastChild.name == "CloseTag")
        break;
      if (tagName && open.indexOf(tagName) < 0 && (tree.name == "EndTag" || tree.from >= parent.firstChild.to))
        open.push(tagName);
    }
    return open;
  }
  var identifier3 = /^[:\-\.\w\u00b7-\uffff]*$/;
  function completeTag(state, schema, tree, from, to) {
    let end = /\s*>/.test(state.sliceDoc(to, to + 5)) ? "" : ">";
    let parent = findParentElement(tree, true);
    return {
      from,
      to,
      options: allowedChildren(state.doc, parent, schema).map((tagName) => ({ label: tagName, type: "type" })).concat(openTags(state.doc, tree).map((tag, i) => ({
        label: "/" + tag,
        apply: "/" + tag + end,
        type: "type",
        boost: 99 - i
      }))),
      validFor: /^\/?[:\-\.\w\u00b7-\uffff]*$/
    };
  }
  function completeCloseTag(state, tree, from, to) {
    let end = /\s*>/.test(state.sliceDoc(to, to + 5)) ? "" : ">";
    return {
      from,
      to,
      options: openTags(state.doc, tree).map((tag, i) => ({ label: tag, apply: tag + end, type: "type", boost: 99 - i })),
      validFor: identifier3
    };
  }
  function completeStartTag(state, schema, tree, pos) {
    let options = [], level = 0;
    for (let tagName of allowedChildren(state.doc, tree, schema))
      options.push({ label: "<" + tagName, type: "type" });
    for (let open of openTags(state.doc, tree))
      options.push({ label: "</" + open + ">", type: "type", boost: 99 - level++ });
    return { from: pos, to: pos, options, validFor: /^<\/?[:\-\.\w\u00b7-\uffff]*$/ };
  }
  function completeAttrName(state, schema, tree, from, to) {
    let elt2 = findParentElement(tree), info = elt2 ? schema.tags[elementName2(state.doc, elt2)] : null;
    let localAttrs = info && info.attrs ? Object.keys(info.attrs) : [];
    let names = info && info.globalAttrs === false ? localAttrs : localAttrs.length ? localAttrs.concat(schema.globalAttrNames) : schema.globalAttrNames;
    return {
      from,
      to,
      options: names.map((attrName) => ({ label: attrName, type: "property" })),
      validFor: identifier3
    };
  }
  function completeAttrValue(state, schema, tree, from, to) {
    var _a2;
    let nameNode = (_a2 = tree.parent) === null || _a2 === void 0 ? void 0 : _a2.getChild("AttributeName");
    let options = [], token = void 0;
    if (nameNode) {
      let attrName = state.sliceDoc(nameNode.from, nameNode.to);
      let attrs = schema.globalAttrs[attrName];
      if (!attrs) {
        let elt2 = findParentElement(tree), info = elt2 ? schema.tags[elementName2(state.doc, elt2)] : null;
        attrs = (info === null || info === void 0 ? void 0 : info.attrs) && info.attrs[attrName];
      }
      if (attrs) {
        let base2 = state.sliceDoc(from, to).toLowerCase(), quoteStart = '"', quoteEnd = '"';
        if (/^['"]/.test(base2)) {
          token = base2[0] == '"' ? /^[^"]*$/ : /^[^']*$/;
          quoteStart = "";
          quoteEnd = state.sliceDoc(to, to + 1) == base2[0] ? "" : base2[0];
          base2 = base2.slice(1);
          from++;
        } else {
          token = /^[^\s<>='"]*$/;
        }
        for (let value of attrs)
          options.push({ label: value, apply: quoteStart + value + quoteEnd, type: "constant" });
      }
    }
    return { from, to, options, validFor: token };
  }
  function htmlCompletionFor(schema, context) {
    let { state, pos } = context, tree = syntaxTree(state).resolveInner(pos, -1), around = tree.resolve(pos);
    for (let scan = pos, before; around == tree && (before = tree.childBefore(scan)); ) {
      let last = before.lastChild;
      if (!last || !last.type.isError || last.from < last.to)
        break;
      around = tree = before;
      scan = last.from;
    }
    if (tree.name == "TagName") {
      return tree.parent && /CloseTag$/.test(tree.parent.name) ? completeCloseTag(state, tree, tree.from, pos) : completeTag(state, schema, tree, tree.from, pos);
    } else if (tree.name == "StartTag") {
      return completeTag(state, schema, tree, pos, pos);
    } else if (tree.name == "StartCloseTag" || tree.name == "IncompleteCloseTag") {
      return completeCloseTag(state, tree, pos, pos);
    } else if (tree.name == "OpenTag" || tree.name == "SelfClosingTag" || tree.name == "AttributeName") {
      return completeAttrName(state, schema, tree, tree.name == "AttributeName" ? tree.from : pos, pos);
    } else if (tree.name == "Is" || tree.name == "AttributeValue" || tree.name == "UnquotedAttributeValue") {
      return completeAttrValue(state, schema, tree, tree.name == "Is" ? pos : tree.from, pos);
    } else if (context.explicit && (around.name == "Element" || around.name == "Text" || around.name == "Document")) {
      return completeStartTag(state, schema, tree, pos);
    } else {
      return null;
    }
  }
  function htmlCompletionSource(context) {
    return htmlCompletionFor(Schema.default, context);
  }
  function htmlCompletionSourceWith(config2) {
    let { extraTags, extraGlobalAttributes: extraAttrs } = config2;
    let schema = extraAttrs || extraTags ? new Schema(extraTags, extraAttrs) : Schema.default;
    return (context) => htmlCompletionFor(schema, context);
  }
  var jsonParser = /* @__PURE__ */ javascriptLanguage.parser.configure({ top: "SingleExpression" });
  var defaultNesting = [
    {
      tag: "script",
      attrs: (attrs) => attrs.type == "text/typescript" || attrs.lang == "ts",
      parser: typescriptLanguage.parser
    },
    {
      tag: "script",
      attrs: (attrs) => attrs.type == "text/babel" || attrs.type == "text/jsx",
      parser: jsxLanguage.parser
    },
    {
      tag: "script",
      attrs: (attrs) => attrs.type == "text/typescript-jsx",
      parser: tsxLanguage.parser
    },
    {
      tag: "script",
      attrs(attrs) {
        return /^(importmap|speculationrules|application\/(.+\+)?json)$/i.test(attrs.type);
      },
      parser: jsonParser
    },
    {
      tag: "script",
      attrs(attrs) {
        return !attrs.type || /^(?:text|application)\/(?:x-)?(?:java|ecma)script$|^module$|^$/i.test(attrs.type);
      },
      parser: javascriptLanguage.parser
    },
    {
      tag: "style",
      attrs(attrs) {
        return (!attrs.lang || attrs.lang == "css") && (!attrs.type || /^(text\/)?(x-)?(stylesheet|css)$/i.test(attrs.type));
      },
      parser: cssLanguage.parser
    }
  ];
  var defaultAttrs = /* @__PURE__ */ [
    {
      name: "style",
      parser: /* @__PURE__ */ cssLanguage.parser.configure({ top: "Styles" })
    }
  ].concat(/* @__PURE__ */ eventAttributes.map((name2) => ({ name: name2, parser: javascriptLanguage.parser })));
  var htmlPlain = /* @__PURE__ */ LRLanguage.define({
    name: "html",
    parser: /* @__PURE__ */ parser2.configure({
      props: [
        /* @__PURE__ */ indentNodeProp.add({
          Element(context) {
            let after = /^(\s*)(<\/)?/.exec(context.textAfter);
            if (context.node.to <= context.pos + after[0].length)
              return context.continue();
            return context.lineIndent(context.node.from) + (after[2] ? 0 : context.unit);
          },
          "OpenTag CloseTag SelfClosingTag"(context) {
            return context.column(context.node.from) + context.unit;
          },
          Document(context) {
            if (context.pos + /\s*/.exec(context.textAfter)[0].length < context.node.to)
              return context.continue();
            let endElt = null, close;
            for (let cur2 = context.node; ; ) {
              let last = cur2.lastChild;
              if (!last || last.name != "Element" || last.to != cur2.to)
                break;
              endElt = cur2 = last;
            }
            if (endElt && !((close = endElt.lastChild) && (close.name == "CloseTag" || close.name == "SelfClosingTag")))
              return context.lineIndent(endElt.from) + context.unit;
            return null;
          }
        }),
        /* @__PURE__ */ foldNodeProp.add({
          Element(node) {
            let first = node.firstChild, last = node.lastChild;
            if (!first || first.name != "OpenTag")
              return null;
            return { from: first.to, to: last.name == "CloseTag" ? last.from : node.to };
          }
        }),
        /* @__PURE__ */ bracketMatchingHandle.add({
          "OpenTag CloseTag": (node) => node.getChild("TagName")
        })
      ]
    }),
    languageData: {
      commentTokens: { block: { open: "<!--", close: "-->" } },
      indentOnInput: /^\s*<\/\w+\W$/,
      wordChars: "-._"
    }
  });
  var htmlLanguage = /* @__PURE__ */ htmlPlain.configure({
    wrap: /* @__PURE__ */ configureNesting(defaultNesting, defaultAttrs)
  });
  function html(config2 = {}) {
    let dialect = "", wrap;
    if (config2.matchClosingTags === false)
      dialect = "noMatch";
    if (config2.selfClosingTags === true)
      dialect = (dialect ? dialect + " " : "") + "selfClosing";
    if (config2.nestedLanguages && config2.nestedLanguages.length || config2.nestedAttributes && config2.nestedAttributes.length)
      wrap = configureNesting((config2.nestedLanguages || []).concat(defaultNesting), (config2.nestedAttributes || []).concat(defaultAttrs));
    let lang = wrap ? htmlPlain.configure({ wrap, dialect }) : dialect ? htmlLanguage.configure({ dialect }) : htmlLanguage;
    return new LanguageSupport(lang, [
      htmlLanguage.data.of({ autocomplete: htmlCompletionSourceWith(config2) }),
      config2.autoCloseTags !== false ? autoCloseTags2 : [],
      javascript().support,
      css().support
    ]);
  }
  var selfClosers2 = /* @__PURE__ */ new Set(/* @__PURE__ */ "area base br col command embed frame hr img input keygen link meta param source track wbr menuitem".split(" "));
  var autoCloseTags2 = /* @__PURE__ */ EditorView.inputHandler.of((view, from, to, text, insertTransaction) => {
    if (view.composing || view.state.readOnly || from != to || text != ">" && text != "/" || !htmlLanguage.isActiveAt(view.state, from, -1))
      return false;
    let base2 = insertTransaction(), { state } = base2;
    let closeTags = state.changeByRange((range) => {
      var _a2, _b, _c;
      let didType = state.doc.sliceString(range.from - 1, range.to) == text;
      let { head } = range, after = syntaxTree(state).resolveInner(head, -1), name2;
      if (didType && text == ">" && after.name == "EndTag") {
        let tag = after.parent;
        if (((_b = (_a2 = tag.parent) === null || _a2 === void 0 ? void 0 : _a2.lastChild) === null || _b === void 0 ? void 0 : _b.name) != "CloseTag" && (name2 = elementName2(state.doc, tag.parent, head)) && !selfClosers2.has(name2)) {
          let to2 = head + (state.doc.sliceString(head, head + 1) === ">" ? 1 : 0);
          let insert2 = `</${name2}>`;
          return { range, changes: { from: head, to: to2, insert: insert2 } };
        }
      } else if (didType && text == "/" && after.name == "IncompleteCloseTag") {
        let tag = after.parent;
        if (after.from == head - 2 && ((_c = tag.lastChild) === null || _c === void 0 ? void 0 : _c.name) != "CloseTag" && (name2 = elementName2(state.doc, tag, head)) && !selfClosers2.has(name2)) {
          let to2 = head + (state.doc.sliceString(head, head + 1) === ">" ? 1 : 0);
          let insert2 = `${name2}>`;
          return {
            range: EditorSelection.cursor(head + insert2.length, -1),
            changes: { from: head, to: to2, insert: insert2 }
          };
        }
      }
      return { range };
    });
    if (closeTags.changes.empty)
      return false;
    view.dispatch([
      base2,
      state.update(closeTags, {
        userEvent: "input.complete",
        scrollIntoView: true
      })
    ]);
    return true;
  });

  // node_modules/@codemirror/lang-markdown/dist/index.js
  var data = /* @__PURE__ */ defineLanguageFacet({ commentTokens: { block: { open: "<!--", close: "-->" } } });
  var headingProp = /* @__PURE__ */ new NodeProp();
  var commonmark = /* @__PURE__ */ parser.configure({
    props: [
      /* @__PURE__ */ foldNodeProp.add((type) => {
        return !type.is("Block") || type.is("Document") || isHeading(type) != null || isList(type) ? void 0 : (tree, state) => ({ from: state.doc.lineAt(tree.from).to, to: tree.to });
      }),
      /* @__PURE__ */ headingProp.add(isHeading),
      /* @__PURE__ */ indentNodeProp.add({
        Document: () => null
      }),
      /* @__PURE__ */ languageDataProp.add({
        Document: data
      })
    ]
  });
  function isHeading(type) {
    let match = /^(?:ATX|Setext)Heading(\d)$/.exec(type.name);
    return match ? +match[1] : void 0;
  }
  function isList(type) {
    return type.name == "OrderedList" || type.name == "BulletList";
  }
  function findSectionEnd(headerNode, level) {
    let last = headerNode;
    for (; ; ) {
      let next = last.nextSibling, heading2;
      if (!next || (heading2 = isHeading(next.type)) != null && heading2 <= level)
        break;
      last = next;
    }
    return last.to;
  }
  var headerIndent = /* @__PURE__ */ foldService.of((state, start, end) => {
    for (let node = syntaxTree(state).resolveInner(end, -1); node; node = node.parent) {
      if (node.from < start)
        break;
      let heading2 = node.type.prop(headingProp);
      if (heading2 == null)
        continue;
      let upto = findSectionEnd(node, heading2);
      if (upto > end)
        return { from: end, to: upto };
    }
    return null;
  });
  function mkLang(parser5) {
    return new Language(data, parser5, [headerIndent], "markdown");
  }
  var commonmarkLanguage = /* @__PURE__ */ mkLang(commonmark);
  var extended = /* @__PURE__ */ commonmark.configure([GFM, Subscript, Superscript, Emoji, {
    props: [
      /* @__PURE__ */ foldNodeProp.add({
        Table: (tree, state) => ({ from: state.doc.lineAt(tree.from).to, to: tree.to })
      })
    ]
  }]);
  var markdownLanguage = /* @__PURE__ */ mkLang(extended);
  function getCodeParser(languages, defaultLanguage) {
    return (info) => {
      if (info && languages) {
        let found = null;
        info = /\S*/.exec(info)[0];
        if (typeof languages == "function")
          found = languages(info);
        else
          found = LanguageDescription.matchLanguageName(languages, info, true);
        if (found instanceof LanguageDescription)
          return found.support ? found.support.language.parser : ParseContext.getSkippingParser(found.load());
        else if (found)
          return found.parser;
      }
      return defaultLanguage ? defaultLanguage.parser : null;
    };
  }
  var Context = class {
    constructor(node, from, to, spaceBefore, spaceAfter, type, item) {
      this.node = node;
      this.from = from;
      this.to = to;
      this.spaceBefore = spaceBefore;
      this.spaceAfter = spaceAfter;
      this.type = type;
      this.item = item;
    }
    blank(maxWidth, trailing = true) {
      let result = this.spaceBefore + (this.node.name == "Blockquote" ? ">" : "");
      if (maxWidth != null) {
        while (result.length < maxWidth)
          result += " ";
        return result;
      } else {
        for (let i = this.to - this.from - result.length - this.spaceAfter.length; i > 0; i--)
          result += " ";
        return result + (trailing ? this.spaceAfter : "");
      }
    }
    marker(doc2, add2) {
      let number2 = this.node.name == "OrderedList" ? String(+itemNumber(this.item, doc2)[2] + add2) : "";
      return this.spaceBefore + number2 + this.type + this.spaceAfter;
    }
  };
  function getContext(node, doc2) {
    let nodes = [];
    for (let cur2 = node; cur2 && cur2.name != "Document"; cur2 = cur2.parent) {
      if (cur2.name == "ListItem" || cur2.name == "Blockquote" || cur2.name == "FencedCode")
        nodes.push(cur2);
    }
    let context = [];
    for (let i = nodes.length - 1; i >= 0; i--) {
      let node2 = nodes[i], match;
      let line = doc2.lineAt(node2.from), startPos = node2.from - line.from;
      if (node2.name == "FencedCode") {
        context.push(new Context(node2, startPos, startPos, "", "", "", null));
      } else if (node2.name == "Blockquote" && (match = /^ *>( ?)/.exec(line.text.slice(startPos)))) {
        context.push(new Context(node2, startPos, startPos + match[0].length, "", match[1], ">", null));
      } else if (node2.name == "ListItem" && node2.parent.name == "OrderedList" && (match = /^( *)\d+([.)])( *)/.exec(line.text.slice(startPos)))) {
        let after = match[3], len = match[0].length;
        if (after.length >= 4) {
          after = after.slice(0, after.length - 4);
          len -= 4;
        }
        context.push(new Context(node2.parent, startPos, startPos + len, match[1], after, match[2], node2));
      } else if (node2.name == "ListItem" && node2.parent.name == "BulletList" && (match = /^( *)([-+*])( {1,4}\[[ xX]\])?( +)/.exec(line.text.slice(startPos)))) {
        let after = match[4], len = match[0].length;
        if (after.length > 4) {
          after = after.slice(0, after.length - 4);
          len -= 4;
        }
        let type = match[2];
        if (match[3])
          type += match[3].replace(/[xX]/, " ");
        context.push(new Context(node2.parent, startPos, startPos + len, match[1], after, type, node2));
      }
    }
    return context;
  }
  function itemNumber(item, doc2) {
    return /^(\s*)(\d+)(?=[.)])/.exec(doc2.sliceString(item.from, item.from + 10));
  }
  function renumberList(after, doc2, changes, offset = 0) {
    for (let prev = -1, node = after; ; ) {
      if (node.name == "ListItem") {
        let m = itemNumber(node, doc2);
        let number2 = +m[2];
        if (prev >= 0) {
          if (number2 != prev + 1)
            return;
          changes.push({ from: node.from + m[1].length, to: node.from + m[0].length, insert: String(prev + 2 + offset) });
        }
        prev = number2;
      }
      let next = node.nextSibling;
      if (!next)
        break;
      node = next;
    }
  }
  function normalizeIndent(content2, state) {
    let blank = /^[ \t]*/.exec(content2)[0].length;
    if (!blank || state.facet(indentUnit) != "	")
      return content2;
    let col = countColumn(content2, 4, blank);
    let space4 = "";
    for (let i = col; i > 0; ) {
      if (i >= 4) {
        space4 += "	";
        i -= 4;
      } else {
        space4 += " ";
        i--;
      }
    }
    return space4 + content2.slice(blank);
  }
  var insertNewlineContinueMarkup = ({ state, dispatch }) => {
    let tree = syntaxTree(state), { doc: doc2 } = state;
    let dont = null, changes = state.changeByRange((range) => {
      if (!range.empty || !markdownLanguage.isActiveAt(state, range.from))
        return dont = { range };
      let pos = range.from, line = doc2.lineAt(pos);
      let context = getContext(tree.resolveInner(pos, -1), doc2);
      while (context.length && context[context.length - 1].from > pos - line.from)
        context.pop();
      if (!context.length)
        return dont = { range };
      let inner = context[context.length - 1];
      if (inner.to - inner.spaceAfter.length > pos - line.from)
        return dont = { range };
      let emptyLine = pos >= inner.to - inner.spaceAfter.length && !/\S/.test(line.text.slice(inner.to));
      if (inner.item && emptyLine) {
        let first = inner.node.firstChild, second = inner.node.getChild("ListItem", "ListItem");
        if (first.to >= pos || second && second.to < pos || line.from > 0 && !/[^\s>]/.test(doc2.lineAt(line.from - 1).text)) {
          let next = context.length > 1 ? context[context.length - 2] : null;
          let delTo, insert3 = "";
          if (next && next.item) {
            delTo = line.from + next.from;
            insert3 = next.marker(doc2, 1);
          } else {
            delTo = line.from + (next ? next.to : 0);
          }
          let changes3 = [{ from: delTo, to: pos, insert: insert3 }];
          if (inner.node.name == "OrderedList")
            renumberList(inner.item, doc2, changes3, -2);
          if (next && next.node.name == "OrderedList")
            renumberList(next.item, doc2, changes3);
          return { range: EditorSelection.cursor(delTo + insert3.length), changes: changes3 };
        } else {
          let insert3 = blankLine(context, state, line);
          return {
            range: EditorSelection.cursor(pos + insert3.length + 1),
            changes: { from: line.from, insert: insert3 + state.lineBreak }
          };
        }
      }
      if (inner.node.name == "Blockquote" && emptyLine && line.from) {
        let prevLine = doc2.lineAt(line.from - 1), quoted = />\s*$/.exec(prevLine.text);
        if (quoted && quoted.index == inner.from) {
          let changes3 = state.changes([
            { from: prevLine.from + quoted.index, to: prevLine.to },
            { from: line.from + inner.from, to: line.to }
          ]);
          return { range: range.map(changes3), changes: changes3 };
        }
      }
      let changes2 = [];
      if (inner.node.name == "OrderedList")
        renumberList(inner.item, doc2, changes2);
      let continued = inner.item && inner.item.from < line.from;
      let insert2 = "";
      if (!continued || /^[\s\d.)\-+*>]*/.exec(line.text)[0].length >= inner.to) {
        for (let i = 0, e = context.length - 1; i <= e; i++) {
          insert2 += i == e && !continued ? context[i].marker(doc2, 1) : context[i].blank(i < e ? countColumn(line.text, 4, context[i + 1].from) - insert2.length : null);
        }
      }
      let from = pos;
      while (from > line.from && /\s/.test(line.text.charAt(from - line.from - 1)))
        from--;
      insert2 = normalizeIndent(insert2, state);
      if (nonTightList(inner.node, state.doc))
        insert2 = blankLine(context, state, line) + state.lineBreak + insert2;
      changes2.push({ from, to: pos, insert: state.lineBreak + insert2 });
      return { range: EditorSelection.cursor(from + insert2.length + 1), changes: changes2 };
    });
    if (dont)
      return false;
    dispatch(state.update(changes, { scrollIntoView: true, userEvent: "input" }));
    return true;
  };
  function isMark(node) {
    return node.name == "QuoteMark" || node.name == "ListMark";
  }
  function nonTightList(node, doc2) {
    if (node.name != "OrderedList" && node.name != "BulletList")
      return false;
    let first = node.firstChild, second = node.getChild("ListItem", "ListItem");
    if (!second)
      return false;
    let line1 = doc2.lineAt(first.to), line2 = doc2.lineAt(second.from);
    let empty2 = /^[\s>]*$/.test(line1.text);
    return line1.number + (empty2 ? 0 : 1) < line2.number;
  }
  function blankLine(context, state, line) {
    let insert2 = "";
    for (let i = 0, e = context.length - 2; i <= e; i++) {
      insert2 += context[i].blank(i < e ? countColumn(line.text, 4, context[i + 1].from) - insert2.length : null, i < e);
    }
    return normalizeIndent(insert2, state);
  }
  function contextNodeForDelete(tree, pos) {
    let node = tree.resolveInner(pos, -1), scan = pos;
    if (isMark(node)) {
      scan = node.from;
      node = node.parent;
    }
    for (let prev; prev = node.childBefore(scan); ) {
      if (isMark(prev)) {
        scan = prev.from;
      } else if (prev.name == "OrderedList" || prev.name == "BulletList") {
        node = prev.lastChild;
        scan = node.to;
      } else {
        break;
      }
    }
    return node;
  }
  var deleteMarkupBackward = ({ state, dispatch }) => {
    let tree = syntaxTree(state);
    let dont = null, changes = state.changeByRange((range) => {
      let pos = range.from, { doc: doc2 } = state;
      if (range.empty && markdownLanguage.isActiveAt(state, range.from)) {
        let line = doc2.lineAt(pos);
        let context = getContext(contextNodeForDelete(tree, pos), doc2);
        if (context.length) {
          let inner = context[context.length - 1];
          let spaceEnd = inner.to - inner.spaceAfter.length + (inner.spaceAfter ? 1 : 0);
          if (pos - line.from > spaceEnd && !/\S/.test(line.text.slice(spaceEnd, pos - line.from)))
            return {
              range: EditorSelection.cursor(line.from + spaceEnd),
              changes: { from: line.from + spaceEnd, to: pos }
            };
          if (pos - line.from == spaceEnd && // Only apply this if we're on the line that has the
          // construct's syntax, or there's only indentation in the
          // target range
          (!inner.item || line.from <= inner.item.from || !/\S/.test(line.text.slice(0, inner.to)))) {
            let start = line.from + inner.from;
            if (inner.item && inner.node.from < inner.item.from && /\S/.test(line.text.slice(inner.from, inner.to))) {
              let insert2 = inner.blank(countColumn(line.text, 4, inner.to) - countColumn(line.text, 4, inner.from));
              if (start == line.from)
                insert2 = normalizeIndent(insert2, state);
              return {
                range: EditorSelection.cursor(start + insert2.length),
                changes: { from: start, to: line.from + inner.to, insert: insert2 }
              };
            }
            if (start < pos)
              return { range: EditorSelection.cursor(start), changes: { from: start, to: pos } };
          }
        }
      }
      return dont = { range };
    });
    if (dont)
      return false;
    dispatch(state.update(changes, { scrollIntoView: true, userEvent: "delete" }));
    return true;
  };
  var markdownKeymap = [
    { key: "Enter", run: insertNewlineContinueMarkup },
    { key: "Backspace", run: deleteMarkupBackward }
  ];
  var htmlNoMatch = /* @__PURE__ */ html({ matchClosingTags: false });
  function markdown(config2 = {}) {
    let { codeLanguages, defaultCodeLanguage, addKeymap = true, base: { parser: parser5 } = commonmarkLanguage, completeHTMLTags = true } = config2;
    if (!(parser5 instanceof MarkdownParser))
      throw new RangeError("Base parser provided to `markdown` should be a Markdown parser");
    let extensions = config2.extensions ? [config2.extensions] : [];
    let support = [htmlNoMatch.support], defaultCode;
    if (defaultCodeLanguage instanceof LanguageSupport) {
      support.push(defaultCodeLanguage.support);
      defaultCode = defaultCodeLanguage.language;
    } else if (defaultCodeLanguage) {
      defaultCode = defaultCodeLanguage;
    }
    let codeParser = codeLanguages || defaultCode ? getCodeParser(codeLanguages, defaultCode) : void 0;
    extensions.push(parseCode({ codeParser, htmlParser: htmlNoMatch.language.parser }));
    if (addKeymap)
      support.push(Prec.high(keymap.of(markdownKeymap)));
    let lang = mkLang(parser5.configure(extensions));
    if (completeHTMLTags)
      support.push(lang.data.of({ autocomplete: htmlTagCompletion }));
    return new LanguageSupport(lang, support);
  }
  function htmlTagCompletion(context) {
    let { state, pos } = context, m = /<[:\-\.\w\u00b7-\uffff]*$/.exec(state.sliceDoc(pos - 25, pos));
    if (!m)
      return null;
    let tree = syntaxTree(state).resolveInner(pos, -1);
    while (tree && !tree.type.isTop) {
      if (tree.name == "CodeBlock" || tree.name == "FencedCode" || tree.name == "ProcessingInstructionBlock" || tree.name == "CommentBlock" || tree.name == "Link" || tree.name == "Image")
        return null;
      tree = tree.parent;
    }
    return {
      from: pos - m[0].length,
      to: pos,
      options: htmlTagCompletions(),
      validFor: /^<[:\-\.\w\u00b7-\uffff]*$/
    };
  }
  var _tagCompletions = null;
  function htmlTagCompletions() {
    if (_tagCompletions)
      return _tagCompletions;
    let result = htmlCompletionSource(new CompletionContext(EditorState.create({ extensions: htmlNoMatch }), 0, true));
    return _tagCompletions = result ? result.options : [];
  }

  // frontend/editor.ts
  function makeEditor(divSelector, value) {
    let div = document.querySelector(divSelector);
    div.classList.remove("hidden");
    div.classList.remove("h-0");
    let documentTheme = EditorView.theme({
      "&": {
        "background-color": "white"
      },
      ".cm-editor": {
        "height": "100%"
      },
      ".cm-scroller": { overflow: "auto" }
    }, {});
    let textarea = document.createElement("textarea");
    textarea.setAttribute("name", "content");
    textarea.style.display = "none";
    div.appendChild(textarea);
    let extensions = [
      basicSetup,
      keymap.of([indentWithTab]),
      markdown(),
      documentTheme,
      EditorView.lineWrapping
    ];
    let view = new EditorView({ parent: div, doc: value, extensions });
    textarea.form.addEventListener("submit", () => {
      textarea.value = view.state.doc.toString();
    });
    return view;
  }

  // frontend/main.ts
  window.makeEditor = makeEditor;
})();