From d0ea20a17d8256f2050b5797399f9ce2c7e989e1 Mon Sep 17 00:00:00 2001
From: Alexander Marks <aomarks@google.com>
Date: Wed, 1 May 2019 12:33:50 -0700
Subject: [PATCH] Check directly for // in resolveUrl because it isn't a valid
 URL

---
 lib/utils/resolve-url.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/utils/resolve-url.js b/lib/utils/resolve-url.js
index 96bb61004c..ae5e5e2ad5 100644
--- a/lib/utils/resolve-url.js
+++ b/lib/utils/resolve-url.js
@@ -28,6 +28,9 @@ export function resolveUrl(url, baseURI) {
   if (url && ABS_URL.test(url)) {
     return url;
   }
+  if (url === '//') {
+    return url;
+  }
   // Lazy feature detection.
   if (workingURL === undefined) {
     workingURL = false;