From 12741f2648f140e22efa6e12781edb7d4707f0f3 Mon Sep 17 00:00:00 2001
From: Kailash Bhalaki <kailashbhalaki@gmail.com>
Date: Fri, 26 Apr 2019 01:48:59 +0530
Subject: [PATCH] [FIX] image attachment re-render on message update (#14207)

[FIX] Image attachment re-renders on message update
---
 app/lazy-load/client/lazyloadImage.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/app/lazy-load/client/lazyloadImage.js b/app/lazy-load/client/lazyloadImage.js
index 352ff679a49b..605ed4a57826 100644
--- a/app/lazy-load/client/lazyloadImage.js
+++ b/app/lazy-load/client/lazyloadImage.js
@@ -6,6 +6,8 @@ import { addImage } from '.';
 const emptyImageEncoded =
 	'iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mP8+/u3PQAJJAM0dIyWdgAAAABJRU5ErkJggg==';
 
+const imgsrcs = new Set();
+
 Template.lazyloadImage.helpers({
 	class() {
 		const loaded = Template.instance().loaded.get();
@@ -18,11 +20,11 @@ Template.lazyloadImage.helpers({
 
 	lazySrcUrl() {
 		const { preview, placeholder, src } = this;
-
-		if (Template.instance().loaded.get() || (!preview && !placeholder)) {
+		if (Template.instance().loaded.get() || (!preview && !placeholder) || imgsrcs.has(src)) {
 			return src;
 		}
 
+		imgsrcs.add(this.src);
 		return `data:image/png;base64,${ preview || emptyImageEncoded }`;
 	},
 });