fix: add ref() and unref() to chokidar.d.ts for typescript build to work (#15706)

saerich · web-flow · commit 6b45037bda9b · 2024-01-29T11:40:55.000+01:00
diff --git a/packages/vite/src/node/watch.ts b/packages/vite/src/node/watch.ts
@@ -45,6 +45,14 @@ class NoopWatcher extends EventEmitter implements FSWatcher {
     return {}
   }
 
+  ref() {
+    return this
+  }
+
+  unref() {
+    return this
+  }
+
   async close() {
     // noop
   }
diff --git a/packages/vite/src/types/chokidar.d.ts b/packages/vite/src/types/chokidar.d.ts
@@ -40,6 +40,19 @@ export class FSWatcher extends EventEmitter implements fs.FSWatcher {
    */
   constructor(options?: WatchOptions)
 
+  /**
+   * When called, requests that the Node.js event loop not exit so long as the fs.FSWatcher is active.
+   * Calling watcher.ref() multiple times will have no effect.
+   */
+  ref(): this
+
+  /**
+   * When called, the active fs.FSWatcher object will not require the Node.js event loop to remain active.
+   * If there is no other activity keeping the event loop running, the process may exit before the fs.FSWatcher object's callback is invoked.
+   * Calling watcher.unref() multiple times will have no effect.
+   */
+  unref(): this
+
   /**
    * Add files, directories, or glob patterns for tracking. Takes an array of strings or just one
    * string.

Original file line number	Diff line number	Diff line change
`@@ -45,6 +45,14 @@ class NoopWatcher extends EventEmitter implements FSWatcher {`
`45`	`45`	`return {}`
`46`	`46`	`}`
`47`	`47`
	`48`	`+ ref() {`
	`49`	`+ return this`
	`50`	`+ }`
	`51`	`+`
	`52`	`+ unref() {`
	`53`	`+ return this`
	`54`	`+ }`
	`55`	`+`
`48`	`56`	`async close() {`
`49`	`57`	`// noop`
`50`	`58`	`}`