From dd13208424f8c22187a9f8c59279f48cec1b4460 Mon Sep 17 00:00:00 2001
From: Mitchell McCaffrey <mitchemmc@gmail.com>
Date: Fri, 8 May 2020 19:28:15 +1000
Subject: [PATCH] Changed blob to buffer fallback

---
 src/helpers/blobToBuffer.js | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/src/helpers/blobToBuffer.js b/src/helpers/blobToBuffer.js
index c816ced..70e86af 100644
--- a/src/helpers/blobToBuffer.js
+++ b/src/helpers/blobToBuffer.js
@@ -3,8 +3,21 @@ async function blobToBuffer(blob) {
     const arrayBuffer = await blob.arrayBuffer();
     return new Uint8Array(arrayBuffer);
   } else {
-    const arrayBuffer = new Response(blob).arrayBuffer();
-    return new Uint8Array(arrayBuffer);
+    return new Promise((resolve, reject) => {
+      const reader = new FileReader();
+
+      function onLoadEnd(event) {
+        reader.removeEventListener("loadend", onLoadEnd, false);
+        if (event.error) {
+          reject(event.error);
+        } else {
+          resolve(Buffer.from(reader.result));
+        }
+      }
+
+      reader.addEventListener("loadend", onLoadEnd, false);
+      reader.readAsArrayBuffer(blob);
+    });
   }
 }