Fix first-party plugin usage when using bundled version of tailwindcss (#751)

Author: bradlc

packages/tailwindcss-language-server/src/lib/hook.ts

@@ -20,7 +20,7 @@ export default class Hook {
   private _origRequire = Module.prototype.require
   private _require: (req: string) => any
 
-  constructor(find: string, callback: (x) => {}) {
+  constructor(find: string, callback: (x) => {} = (x) => x) {
     // @ts-ignore
     if (typeof Module._resolveFilename !== 'function') {
       throw new Error(

packages/tailwindcss-language-server/src/server.ts

@@ -910,9 +910,14 @@ async function createProjectService(
     let hook: Hook
 
     if (loadConfig.module) {
-      originalConfig = await loadConfig.module(state.configPath)
-      originalConfig = originalConfig.default ?? originalConfig
-      state.jit = true
+      hook = new Hook(fs.realpathSync(state.configPath))
+      try {
+        originalConfig = await loadConfig.module(state.configPath)
+        originalConfig = originalConfig.default ?? originalConfig
+        state.jit = true
+      } finally {
+        hook.unhook()
+      }
     } else {
       hook = new Hook(fs.realpathSync(state.configPath), (exports) => {
         originalConfig = klona(exports)