From 9cbd923c1fef57af6c9f4f0963b3e62f7dfdf777 Mon Sep 17 00:00:00 2001
From: Jeff Avallone <jeff.avallone@gmail.com>
Date: Sat, 10 Feb 2018 14:04:55 -0500
Subject: [PATCH] Ignoring errors when building blob URL for PNG

If it fails, then the link won't be displayed
---
 src/js/regexper.js | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/js/regexper.js b/src/js/regexper.js
index 089e749..c6a3440 100644
--- a/src/js/regexper.js
+++ b/src/js/regexper.js
@@ -181,9 +181,12 @@ export default class Regexper {
         try {
           context.drawImage(loader, 0, 0, loader.width, loader.height);
           canvas.toBlob(blob => {
-            window.pngBlob = blob;
-            this.downloadPng.href = URL.createObjectURL(window.pngBlob);
-            this.links.className = this.links.className.replace(/\bhide-download-png\b/, '');
+            try {
+              window.pngBlob = blob;
+              this.downloadPng.href = URL.createObjectURL(window.pngBlob);
+              this.links.className = this.links.className.replace(/\bhide-download-png\b/, '');
+            }
+            catch(e) {}
           }, 'image/png');
         }
         catch(e) {}