handle MustScanSubDirs

paulmillr · Jan 22, 2022 · 2720478 · 2720478
1 parent 4804aba
commit 2720478
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/lib/fsevents-handler.js b/lib/fsevents-handler.js
@@ -49,6 +49,9 @@ const {
   IDENTITY_FN
 } = require('./constants');
 
+// See kFSEventStreamEventFlagMustScanSubDirs in FSEvents documentation
+const MUST_SCAN_SUBDIRS_FLAG = 1;
+
 const Depth = (value) => isNaN(value) ? {} : {depth: value};
 
 const stat = promisify(fs.stat);
@@ -148,6 +151,7 @@ function setFSEventsListener(path, realPath, listener, rawEmitter) {
       rawEmitter,
       watcher: createFSEventsInstance(watchPath, (fullPath, flags) => {
         if (!cont.listeners.size) return;
+        if (flags & MUST_SCAN_SUBDIRS_FLAG) return;
         const info = fsevents.getInfo(fullPath, flags);
         cont.listeners.forEach(list => {
           list(fullPath, flags, info);