fs: add 'close' event to FSWatcher

PR-URL: https://github.com/nodejs/node/pull/19900
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/lib/fs.js b/lib/fs.js
index 6b80af3b63..6c8417030b 100644
--- a/lib/fs.js
+++ b/lib/fs.js
@@ -1387,8 +1387,13 @@ FSWatcher.prototype.close = function() {
     return;
   }
   this._handle.close();
+  process.nextTick(emitCloseNT, this);
 };
 
+function emitCloseNT(self) {
+  self.emit('close');
+}
+
 fs.watch = function(filename, options, listener) {
   if (typeof options === 'function') {
     listener = options;