diff --git a/lua/tailwind-tools/classes.lua b/lua/tailwind-tools/classes.lua
index 9b31753..94eae7f 100644
--- a/lua/tailwind-tools/classes.lua
+++ b/lua/tailwind-tools/classes.lua
@@ -1,6 +1,5 @@
 local M = {}
 
-local config = require("tailwind-tools.config")
 local patterns = require("tailwind-tools.patterns")
 local filetypes = require("tailwind-tools.filetypes")
 local tresitter = require("tailwind-tools.treesitter")
@@ -14,18 +13,16 @@ local tresitter = require("tailwind-tools.treesitter")
 M.get_ranges = function(bufnr, filters)
   local results = {}
   local ft = vim.bo[bufnr].ft
-  local extension = config.options.extension
-  local query_list = vim.tbl_extend("force", filetypes.treesitter, extension.queries)
-  local pattern_list = vim.tbl_extend("force", filetypes.luapattern, extension.patterns)
+  local pattern_list = filetypes.get_patterns(ft)
 
   filters = filters or {}
 
-  for _, pattern in pairs(pattern_list[ft] or {}) do
+  for _, pattern in pairs(pattern_list) do
     local ranges = patterns.find_class_ranges(bufnr, pattern)
     vim.list_extend(results, ranges)
   end
 
-  if vim.tbl_contains(query_list, ft) then
+  if filetypes.has_queries(ft) then
     local ranges = tresitter.find_class_ranges(bufnr, ft, filters)
     vim.list_extend(results, ranges)
   end
diff --git a/lua/tailwind-tools/filetypes.lua b/lua/tailwind-tools/filetypes.lua
index 713040b..16f696e 100644
--- a/lua/tailwind-tools/filetypes.lua
+++ b/lua/tailwind-tools/filetypes.lua
@@ -1,4 +1,8 @@
-return {
+local M = {}
+
+local config = require("tailwind-tools.config")
+
+local filetypes = {
   treesitter = {
     "html",
     "css",
@@ -20,3 +24,29 @@ return {
     rust = { "class=[\"']([^\"']+)[\"']" },
   },
 }
+
+---@param ft string
+M.get_patterns = function(ft)
+  return filetypes.luapattern[ft] or config.options.extension.patterns[ft] or {}
+end
+
+---@param ft string
+M.has_queries = function(ft)
+  return vim.tbl_contains(filetypes.treesitter, ft)
+    or vim.tbl_contains(config.options.extension.queries, ft)
+end
+
+---@return string[]
+M.get_all = function()
+  local result = {}
+  local extension = config.options.extension
+
+  vim.list_extend(result, filetypes.treesitter)
+  vim.list_extend(result, extension.queries)
+  vim.list_extend(result, vim.tbl_keys(filetypes.luapattern))
+  vim.list_extend(result, vim.tbl_keys(extension.patterns))
+
+  return result
+end
+
+return M
diff --git a/lua/tailwind-tools/lsp.lua b/lua/tailwind-tools/lsp.lua
index 7def8ea..0d03675 100644
--- a/lua/tailwind-tools/lsp.lua
+++ b/lua/tailwind-tools/lsp.lua
@@ -5,6 +5,7 @@ local utils = require("tailwind-tools.utils")
 local state = require("tailwind-tools.state")
 local config = require("tailwind-tools.config")
 local classes = require("tailwind-tools.classes")
+local filetypes = require("tailwind-tools.filetypes")
 
 local color_events = {
   "BufEnter",
@@ -127,6 +128,7 @@ M.setup = function(opts, lspconfig)
   lspconfig.tailwindcss.setup({
     capabilities = capabilities,
     on_attach = opts.on_attach,
+    filetypes = filetypes.get_all(),
     settings = {
       tailwindCSS = opts.settings,
     },