complete from buffers

nvim/.config/nvim/completion.lua

@@ -45,9 +45,16 @@ cmp.setup {
     end, { "i", "s" }),
   },
   sources = {
-    { name = 'buffer' },
     { name = 'nvim_lsp' },
-    -- { name = 'spell' },
     { name = 'path' },
+    {
+      name = 'buffer',
+      option = {
+        get_bufnrs = function()
+          return vim.api.nvim_list_bufs()
+        end
+      }
+    },
+    -- { name = 'spell' },
   },
 }