From 3bd9b4b8bac20577a6f253bd29a9ba0aa59d9fe7 Mon Sep 17 00:00:00 2001
From: Kris Zyp <kriszyp@gmail.com>
Date: Tue, 16 Jan 2018 08:07:43 -0700
Subject: [PATCH] Don't lean on startsWith support

---
 source-map-support.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source-map-support.js b/source-map-support.js
index 5a1007a..076880f 100644
--- a/source-map-support.js
+++ b/source-map-support.js
@@ -64,7 +64,7 @@ var retrieveFile = handlerExec(retrieveFileHandlers);
 retrieveFileHandlers.push(function(path) {
   // Trim the path to make sure there is no extra whitespace.
   path = path.trim();
-  if (path.startsWith('file:')) {
+  if (/^file:/.test(path)) {
     // existsSync/readFileSync can't handle file protocol, but once stripped, it works
     path = path.replace(/file:\/\/(\w:\\|\/)/, '');
   }