update treesitter for nvim 0.12.2

lua/plugins/treesitter.lua

@@ -1,34 +1,30 @@
 return {
 	"nvim-treesitter/nvim-treesitter",
-	lazy = false,
+	lazy = false, -- Treesitter must not be lazy-loaded in the new version
 	build = ":TSUpdate",
 	config = function()
-		require("nvim-treesitter").setup({
+		local ts = require("nvim-treesitter")
+		local supported_languages = {
+			"lua", "vim", "vimdoc", "query", "dart", "python",
+			"dockerfile", "yaml", "bash", "json", "html",
+			"css", "javascript", "sql", "markdown", "markdown_inline",
+		}
+		-- 1. Global Settings
+		ts.setup({
 			install_dir = vim.fn.stdpath("data") .. "/site",
-			highlight = {
-				enable = true,
-				-- additional_vim_regex_highlighting = false,
-			},
-			indent = { enable = true },
-			autotag = { enable = true },
-			ensure_installed = {
-				"lua",
-				"vim",
-				"vimdoc",
-				"query",
-				"dart",
-				"python",
-				"dockerfile",
-				"yaml",
-				"bash",
-				"json",
-				"html",
-				"css",
-				"javascript",
-				"sql",
-				"markdown",
-				"markdown_inline",
-			},
+			auto_install = true,
+		})
+		-- 2. Bulk Install Parsers (Asynchronous)
+		ts.install(supported_languages)
+		-- 3. Enable Highlighting	
+		vim.api.nvim_create_autocmd("FileType", {
+			pattern = supported_languages,
+			callback = function()
+				local lang = vim.treesitter.language.get_lang(vim.bo.filetype)
+				if lang then
+					vim.treesitter.start()
+				end
+			end,
 		})
 	end,
 }