Install the language first

init.lua

@@ -954,11 +954,12 @@ do
   ---@param buf integer
   ---@param language string
   local function treesitter_try_attach(buf, language)
+    -- Check if a parser exists and load it
+    if not vim.treesitter.language.add(language) then return end
+
     -- Check if the buffer is valid (might not be after install completes)
     if not vim.api.nvim_buf_is_valid(buf) then return end
 
-    -- Check if a parser exists and load it
-    if not vim.treesitter.language.add(language) then return end
     -- Enable syntax highlighting and other treesitter features
     vim.treesitter.start(buf, language)