From a4a3ce8a2eb6a4f43f1bc9a7935eb16f2b98a3cd Mon Sep 17 00:00:00 2001
From: mzand33 <59265790+mzand33@users.noreply.github.com>
Date: Mon, 12 Jul 2021 07:14:01 -0400
Subject: [PATCH] fix: allow proxy url with parameters (#2100)

---
 src/core/cache-storage.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/core/cache-storage.ts b/src/core/cache-storage.ts
index aad1fea..45895f6 100644
--- a/src/core/cache-storage.ts
+++ b/src/core/cache-storage.ts
@@ -180,7 +180,8 @@ export class Cache {
             };
 
             xhr.onerror = reject;
-            xhr.open('GET', `${proxy}?url=${encodeURIComponent(src)}&responseType=${responseType}`);
+            const queryString = proxy.indexOf('?') > -1 ? '&' : '?';
+            xhr.open('GET', `${proxy}${queryString}url=${encodeURIComponent(src)}&responseType=${responseType}`);
 
             if (responseType !== 'text' && xhr instanceof XMLHttpRequest) {
                 xhr.responseType = responseType;