From 435562cc704bcbf22d2046f259ebd11c5a078ef7 Mon Sep 17 00:00:00 2001
From: Rafael dos Santos Silva <xfalcox@gmail.com>
Date: Wed, 22 Dec 2021 19:16:51 -0300
Subject: [PATCH] FIX: Uploads were broken in old Safari (#15391)

Blob.prototype.arrayBuffer is Safari 14 onwards, so we can check to see if this exists and just skip the checksumming if not.
---
 .../javascripts/discourse/app/lib/uppy-checksum-plugin.js   | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/app/assets/javascripts/discourse/app/lib/uppy-checksum-plugin.js b/app/assets/javascripts/discourse/app/lib/uppy-checksum-plugin.js
index 0b54cf851d7..27db3d1b933 100644
--- a/app/assets/javascripts/discourse/app/lib/uppy-checksum-plugin.js
+++ b/app/assets/javascripts/discourse/app/lib/uppy-checksum-plugin.js
@@ -24,6 +24,12 @@ export default class UppyChecksum extends UploadPreProcessorPlugin {
       );
       return false;
     }
+    if (!Blob.prototype.arrayBuffer) {
+      this._consoleWarn(
+        "The required File API is unavailable in this browser."
+      );
+      return false;
+    }
     if (!this._hasCryptoCipher()) {
       this._consoleWarn(
         "The required cipher suite is unavailable in this browser."