From 2c767f44bf8d453bf118a0d131b1ca6e1187b96b Mon Sep 17 00:00:00 2001
From: Thibaut Girka <thib@sitedethib.com>
Date: Tue, 7 May 2019 22:12:11 +0200
Subject: [PATCH] Fix front-end crash when a video has a blurhash and is hidden
 behind a CW

---
 app/javascript/flavours/glitch/features/video/index.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/app/javascript/flavours/glitch/features/video/index.js b/app/javascript/flavours/glitch/features/video/index.js
index 8291ff3c8..2e0d59d47 100644
--- a/app/javascript/flavours/glitch/features/video/index.js
+++ b/app/javascript/flavours/glitch/features/video/index.js
@@ -166,6 +166,10 @@ export default class Video extends React.PureComponent {
 
   setCanvasRef = c => {
     this.canvas = c;
+
+    if (c && this.props.blurhash) {
+      this._decode();
+    }
   }
 
   handleMouseDownRoot = e => {
@@ -310,6 +314,8 @@ export default class Video extends React.PureComponent {
   }
 
   _decode () {
+    if (!this.canvas) return;
+
     const hash   = this.props.blurhash;
     const pixels = decode(hash, 32, 32);