tailwindcss LSP fix (#442)

lua/lsp/tailwindcss-ls.lua

@@ -1,21 +1,26 @@
 local lspconfig = require 'lspconfig'
 local configs = require 'lspconfig/configs'
+local util = require"lspconfig".util
 
 -- Check if tailwindls server already defined.
 if not lspconfig.tailwindls then configs['tailwindls'] = {default_config = {}} end
 
 lspconfig.tailwindls.setup {
     cmd = {
-        "node", DATA_PATH .. "/lspinstall/tailwindcss/tailwindcss-intellisense/extension/dist/server/index.js",
+        "node", DATA_PATH .. "/lspinstall/tailwindcss/tailwindcss-intellisense/extension/dist/server/tailwindServer.js",
         "--stdio"
     },
     filetypes = O.tailwindls.filetypes,
-    root_dir = require('lspconfig/util').root_pattern("package.json", "tsconfig.json", "jsconfig.json", ".git"),
-    handlers = {
-        ["tailwindcss/getConfiguration"] = function(_, _, params, _, bufnr, _)
-            -- tailwindcss lang server waits for this repsonse before providing hover
-            vim.lsp.buf_notify(bufnr, "tailwindcss/getConfigurationResponse", {_id = params._id})
-        end
+    init_options = {
+        userLanguages = { -- I don't know why but the LSP won't autocomplete the tailwind classes without this
+        }
     },
+    root_dir = function(fname)
+        return util.root_pattern('tailwind.config.js', 'tailwind.config.ts')(fname) or
+        util.root_pattern('postcss.config.js', 'postcss.config.ts')(fname) or
+        util.find_package_json_ancestor(fname) or
+        util.find_node_modules_ancestor(fname) or
+        util.find_git_ancestor(fname)
+    end,
     on_attach = require'lsp'.common_on_attach
 }