From 0e6496dff8643d719fd26e1e0852d398ebf9a7cc Mon Sep 17 00:00:00 2001
From: Matt Bierner <matb@microsoft.com>
Date: Thu, 7 Mar 2019 16:56:24 -0800
Subject: [PATCH] Don't add change if there are no changes

---
 .../src/features/bufferSyncSupport.ts                          | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/extensions/typescript-language-features/src/features/bufferSyncSupport.ts b/extensions/typescript-language-features/src/features/bufferSyncSupport.ts
index c9e4f8b79d6..e034516d665 100644
--- a/extensions/typescript-language-features/src/features/bufferSyncSupport.ts
+++ b/extensions/typescript-language-features/src/features/bufferSyncSupport.ts
@@ -72,6 +72,9 @@ class BufferSynchronizer {
 
 	public change(filepath: string, events: vscode.TextDocumentContentChangeEvent[]) {
 		if (this.supportsBatching) {
+			if (!events.length) {
+				return;
+			}
 			if (!this._pending.changedFiles) {
 				this._pending.changedFiles = [];
 			}