fix(notify): only show once per session

README.md

@@ -79,7 +79,7 @@ formatting = {
     format = function(entry, vim_item)
         local highlights_info = require("colorful-menu").cmp_highlights(entry)
 
-		-- if highlight_info==nil, which means missing ts parser, let's fallback to use default `vim_item.abbr`.
+        -- if highlight_info==nil, which means missing ts parser, let's fallback to use default `vim_item.abbr`.
         -- What this plugin offers is two fields: `vim_item.abbr_hl_group` and `vim_item.abbr`.
         if highlights_info ~= nil then
             vim_item.abbr_hl_group = highlights_info.highlights

lua/colorful-menu/init.lua

@@ -156,16 +156,20 @@ function M.blink_highlights(ctx)
     return nil
 end
 
+local i = 0
 ---@param completion_item lsp.CompletionItem
 ---@param ls string?
 ---@return CMHighlights?
 function M.highlights(completion_item, ls)
     if ls == vim.bo.filetype then
-        vim.notify(
-            "colorful-menu.nvim: Integration with nvim-cmp or blink.cmp has been simplified, and legacy per-filetype options is also deprecated"
-                .. " to prefer per-language-server options, please see README",
-            vim.log.levels.WARN
-        )
+        if i == 0 then
+            vim.notify(
+                "colorful-menu.nvim: Integration with nvim-cmp or blink.cmp has been simplified, and legacy per-filetype options is also deprecated"
+                    .. " to prefer per-language-server options, please see README",
+                vim.log.levels.WARN
+            )
+            i = i + 1
+        end
         return nil
     end
     if completion_item == nil or ls == nil or ls == "" or vim.b.ts_highlight == false then