From cb3c8e7e50ed530f272973b5ddf67a95873ba901 Mon Sep 17 00:00:00 2001
From: Johannes Rieken <johannes.rieken@gmail.com>
Date: Fri, 19 Jan 2018 17:56:23 +0100
Subject: [PATCH] fix format on save problem that occurs when a provider
 returns no edits

---
 .../api/electron-browser/mainThreadSaveParticipant.ts          | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/vs/workbench/api/electron-browser/mainThreadSaveParticipant.ts b/src/vs/workbench/api/electron-browser/mainThreadSaveParticipant.ts
index 5d0a02c34e3..07a61e0f3b8 100644
--- a/src/vs/workbench/api/electron-browser/mainThreadSaveParticipant.ts
+++ b/src/vs/workbench/api/electron-browser/mainThreadSaveParticipant.ts
@@ -26,6 +26,7 @@ import { IEditorWorkerService } from 'vs/editor/common/services/editorWorkerServ
 import { ICodeEditor } from 'vs/editor/browser/editorBrowser';
 import { IProgressService2, ProgressLocation } from 'vs/platform/progress/common/progress';
 import { localize } from 'vs/nls';
+import { isFalsyOrEmpty } from 'vs/base/common/arrays';
 
 export interface ISaveParticipantParticipant extends ISaveParticipant {
 	// progressMessage: string;
@@ -208,7 +209,7 @@ class FormatOnSaveParticipant implements ISaveParticipantParticipant {
 				});
 
 		}).then(edits => {
-			if (edits && versionNow === model.getVersionId()) {
+			if (!isFalsyOrEmpty(edits) && versionNow === model.getVersionId()) {
 				const editor = findEditor(model, this._editorService);
 				if (editor) {
 					this._editsWithEditor(editor, edits);
-- 
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