From f87ac90849d44f26cecb38517c2b4cf53e99a98a Mon Sep 17 00:00:00 2001
From: Anna Henningsen <anna@addaleax.net>
Date: Thu, 13 Feb 2020 21:32:43 +0100
Subject: [PATCH] worker: unroll file extension regexp

Refs: https://github.com/nodejs/node/pull/31662#discussion_r377016190

PR-URL: https://github.com/nodejs/node/pull/31779
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Denys Otrishko <shishugi@gmail.com>
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Yongsheng Zhang <zyszys98@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
---
 lib/internal/worker.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/internal/worker.js b/lib/internal/worker.js
index b690ab82debc29..de626af1bef962 100644
--- a/lib/internal/worker.js
+++ b/lib/internal/worker.js
@@ -104,7 +104,7 @@ class Worker extends EventEmitter {
       filename = path.resolve(filename);
 
       const ext = path.extname(filename);
-      if (!/^\.[cm]?js$/.test(ext)) {
+      if (ext !== '.js' && ext !== '.mjs' && ext !== '.cjs') {
         throw new ERR_WORKER_UNSUPPORTED_EXTENSION(ext);
       }
     }