From d638b29ab8984dff26da161d0e300b4ed9dd92d0 Mon Sep 17 00:00:00 2001
From: Peng Lyu <penn.lv@gmail.com>
Date: Tue, 10 Apr 2018 11:02:49 -0700
Subject: [PATCH] No review overlay when there is no comment.

---
 src/vs/editor/contrib/review/review.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/vs/editor/contrib/review/review.ts b/src/vs/editor/contrib/review/review.ts
index 600316fe377..04c3cb4ebdd 100644
--- a/src/vs/editor/contrib/review/review.ts
+++ b/src/vs/editor/contrib/review/review.ts
@@ -501,6 +501,10 @@ export class ReviewController implements IEditorContribution {
 	setComments(commentThreads: modes.CommentThread[]): void {
 		this._commentThreads = commentThreads;
 
+		if (this._commentThreads.length === 0) {
+			return;
+		}
+
 		if (!this._reviewSwitch) {
 			this._reviewSwitch = new ReviewSwitchWidget(this._reviewModel);
 			this.editor.addOverlayWidget(this._reviewSwitch);
-- 
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