From 88c5e2295baa1e2c10c27c5da30295e3aeede377 Mon Sep 17 00:00:00 2001
From: Sheetal Nandi <shkamat@microsoft.com>
Date: Mon, 12 Mar 2018 13:52:15 -0700
Subject: [PATCH] Do not send delete event every poll for missing folder Fixes
 #22494

---
 src/compiler/sys.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/compiler/sys.ts b/src/compiler/sys.ts
index 4f62cfdfe2d91..12a1b09af546c 100644
--- a/src/compiler/sys.ts
+++ b/src/compiler/sys.ts
@@ -747,6 +747,10 @@ namespace ts {
 
                 function fileChanged(curr: any, prev: any) {
                     if (+curr.mtime === 0) {
+                        if (eventKind === FileWatcherEventKind.Deleted) {
+                            // Already deleted file, no need to callback again
+                            return;
+                        }
                         eventKind = FileWatcherEventKind.Deleted;
                     }
                     // previous event kind check is to ensure we send created event when file is restored or renamed twice (that is it disappears and reappears)