From 8f712866cf3e165441c4e714bf613225b47945f0 Mon Sep 17 00:00:00 2001
From: chenjigeng <178854407@qq.com>
Date: Wed, 2 Dec 2020 22:27:32 +0800
Subject: [PATCH] fix: check canRename before findRenameLocations

---
 .../html-language-features/server/src/modes/javascriptMode.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/extensions/html-language-features/server/src/modes/javascriptMode.ts b/extensions/html-language-features/server/src/modes/javascriptMode.ts
index 9d19b8e5606..97299fe8ab8 100644
--- a/extensions/html-language-features/server/src/modes/javascriptMode.ts
+++ b/extensions/html-language-features/server/src/modes/javascriptMode.ts
@@ -191,6 +191,10 @@ export function getJavaScriptMode(documentRegions: LanguageModelCache<HTMLDocume
 		async doRename(document: TextDocument, position: Position, newName: string) {
 			const jsDocument = jsDocuments.get(document);
 			const jsLanguageService = await host.getLanguageService(jsDocument);
+			const { canRename } = jsLanguageService.getRenameInfo(jsDocument.uri, jsDocument.offsetAt(position));
+			if (!canRename) {
+				return null;
+			}
 			const renameInfos = jsLanguageService.findRenameLocations(jsDocument.uri, jsDocument.offsetAt(position), false, false);
 
 			const edits: TextEdit[] = [];