fix issue with templ files

lua/plugins/conform.lua

@@ -1,21 +1,49 @@
+-- lua/plugins/conform.lua
 return {
   {
     "stevearc/conform.nvim",
+    event = { "BufReadPre", "BufNewFile" },
     config = function()
-      require("conform").setup({
-        formatters_by_ft = {
-          -- Disable formatters for .templ files
-          templ = {},
+      -- Resolve templ binary (Mason first, else PATH)
+      local mason_templ = vim.fn.stdpath("data") .. "/mason/bin/templ"
+      local templ_cmd = (vim.fn.executable(mason_templ) == 1) and mason_templ
+          or ((vim.fn.executable("templ") == 1) and "templ" or nil)
 
-          -- Add your other filetype configs here as needed
-          -- e.g., go = { "gofmt" },
+      if not templ_cmd then
+        vim.notify("[conform.nvim] Could not find `templ` binary. Install via Mason or PATH.", vim.log.levels.WARN)
+      end
+
+      require("conform").setup({
+        formatters = {
+          templ_fmt = {
+            command = templ_cmd or "templ",
+            -- Read source from stdin, tell templ the filename for correct rules,
+            -- and write formatted result to stdout (no in-place writes).
+            args = { "fmt", "-stdin-filepath", "$FILENAME", "-stdout" },
+            stdin = true,
+          },
         },
-        format_on_save = {
-          timeout_ms = 500,
-          lsp_fallback = true,
+        formatters_by_ft = {
+          templ      = { "templ_fmt" }, -- ✅ only templ fmt for .templ
+          javascript = { "prettier" },
+          typescript = { "prettier" },
+          jsx        = { "prettier" },
+          tsx        = { "prettier" },
+          json       = { "prettier" },
+          yaml       = { "prettier" },
+          markdown   = { "prettier" },
+          html       = { "prettier" },
+          css        = { "prettier" },
+          lua        = { "stylua" },
+          go         = { "gofmt" },
         },
+        format_on_save = function(bufnr)
+          if vim.bo[bufnr].filetype == "templ" then
+            return { timeout_ms = 2000, lsp_fallback = false } -- no LSP/Prettier fallback
+          end
+          return { timeout_ms = 1000, lsp_fallback = true }
+        end,
       })
     end,
-    event = { "BufReadPre", "BufNewFile" },
-  }
+  },
 }