From 710e0d4d9cef725de83347e0813fde465cbcdcdb Mon Sep 17 00:00:00 2001
From: Matt Bierner <matb@microsoft.com>
Date: Thu, 7 Oct 2021 17:47:17 -0700
Subject: [PATCH] Add mjs/cjs and mts/cts to path based language mode checks

---
 .../src/utils/languageDescription.ts                          | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/extensions/typescript-language-features/src/utils/languageDescription.ts b/extensions/typescript-language-features/src/utils/languageDescription.ts
index 686590091e5..06468c2d98d 100644
--- a/extensions/typescript-language-features/src/utils/languageDescription.ts
+++ b/extensions/typescript-language-features/src/utils/languageDescription.ts
@@ -51,9 +51,9 @@ export function isJsConfigOrTsConfigFileName(fileName: string): boolean {
 }
 
 export function doesResourceLookLikeATypeScriptFile(resource: vscode.Uri): boolean {
-	return /\.tsx?$/i.test(resource.fsPath);
+	return /\.(tsx?|mts|cts)$/i.test(resource.fsPath);
 }
 
 export function doesResourceLookLikeAJavaScriptFile(resource: vscode.Uri): boolean {
-	return /\.jsx?$/i.test(resource.fsPath);
+	return /\.(jsx?|mjs|cjs)$/i.test(resource.fsPath);
 }