tighten up and modularize deps

Cargo.toml

@@ -1,8 +1,8 @@
 [package]
 name = "julid-rs"
 # 1.61803398874989484
-#---------------^
-version = "1.6.180339887498"
+#----------------^
+version = "1.6.1803398874989"
 authors = ["Joe Ardent <code@ardent.nebcorp.com>"]
 edition = "2024"
 keywords = ["ulid", "sqlite", "julid", "uuid", "guid"]
@@ -16,12 +16,15 @@ repository = "https://git.kittencollective.com/nebkor/julid-rs"
 all-features = true
 
 [features]
-default = ["serde", "sqlx"] # just the regular crate
+default = ["serde", "sqlx", "cli", "std", "chrono"] # no uuid or sqlite plugin
+chrono = ["dep:chrono"]
+cli = ["dep:clap", "chrono"]
 serde = ["dep:serde"]
 sqlx = ["dep:sqlx"]
+std = ["chrono/std", "serde?/alloc"]
 uuid = ["dep:uuid"]
 
-# WARNING! don't enable this feature in your project's Cargo.toml if using julid-rs as a dependency;
+# WARNING! don't enable this feature in your project's Cargo.toml if using julid-rs as a Rust dependency;
 # see https://gitlab.com/nebkor/julid/-/issues/1
 plugin = ["dep:sqlite-loadable"] # builds  libjulid.* for loading into sqlite
 
@@ -32,12 +35,11 @@ crate-type = ["cdylib", "rlib"]
 [dependencies]
 rand = "0.8"
 
-# for the CLI
-clap = { version = "4", default-features = false, features = ["help", "usage", "std", "derive"] }
-chrono = { version = "0.4", default-features = false, features = ["std", "time"] }
-
 # all other deps are optional
-serde = { version = "1.0", features = ["derive"], optional = true }
+chrono = { version = "0.4", default-features = false, features = ["std"], optional = true }
+# for the CLI
+clap = { version = "4", default-features = false, features = ["help", "usage", "std", "derive"], optional = true }
+serde = { version = "1.0", default-features = false, features = ["derive"], optional = true }
 sqlx = { version = "0.8", features = ["sqlite"], default-features = false, optional = true }
 sqlite-loadable = { version = "0.0.5", optional = true }
 uuid = { version = "1.17", default-features = false, optional = true }
@@ -54,3 +56,4 @@ harness = false
 [[bin]]
 name = "julid-gen"
 path = "src/bin/gen.rs"
+required-features = ["chrono", "cli"]

VERSION

@@ -1 +1 @@
-1.6180339887498
+1.61803398874989

src/julid.rs

@@ -116,6 +116,7 @@ impl Julid {
         (self.0 & bitmask!(UNIQUE_BITS)) as u64
     }
 
+    #[cfg(feature = "chrono")]
     /// Returns the timestamp as a `chrono::DateTime<chrono::Utc>` (feature
     /// `chrono` (default))
     pub fn created_at(&self) -> chrono::DateTime<chrono::Utc> {

src/serde.rs

@@ -34,6 +34,7 @@ impl<'de> Visitor<'de> for JulidVisitor {
         }
     }
 
+    #[cfg(feature = "std")]
     fn visit_byte_buf<E>(self, v: Vec<u8>) -> Result<Self::Value, E>
     where
         E: serde::de::Error,
@@ -97,10 +98,13 @@ impl<'de> Deserialize<'de> for Julid {
 /// }
 /// ```
 pub mod julid_as_str {
-    use serde::{Deserialize, Deserializer, Serialize, Serializer};
+    #[cfg(feature = "std")]
+    use serde::{Deserialize, Deserializer};
+    use serde::{Serialize, Serializer};
 
     use crate::Julid;
 
+    /// Serialize a Julid into a String
     pub fn serialize<S>(value: &Julid, serializer: S) -> Result<S::Ok, S::Error>
     where
         S: Serializer,
@@ -109,6 +113,8 @@ pub mod julid_as_str {
         text.serialize(serializer)
     }
 
+    #[cfg(feature = "std")]
+    /// Deserialize a String into a Julid (feature `std` only)
     pub fn deserialize<'de, D>(deserializer: D) -> Result<Julid, D::Error>
     where
         D: Deserializer<'de>,