From 731263b81ce027f9fe85dce07a8c576549a7d153 Mon Sep 17 00:00:00 2001
From: David Taylor <david@taylorhq.com>
Date: Fri, 5 Jun 2020 13:36:48 +0100
Subject: [PATCH] PERF: Correctly memoize baseUri value in javascript app
 (#9986)

An empty string is a falsey value in javascript, so we were looking for the meta tag every time getURL was called, which took approximately 1.5ms every time.
---
 app/assets/javascripts/discourse-common/addon/lib/get-url.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/assets/javascripts/discourse-common/addon/lib/get-url.js b/app/assets/javascripts/discourse-common/addon/lib/get-url.js
index eb36586e8d5..a74ea5ff64f 100644
--- a/app/assets/javascripts/discourse-common/addon/lib/get-url.js
+++ b/app/assets/javascripts/discourse-common/addon/lib/get-url.js
@@ -4,7 +4,7 @@ let S3BaseUrl, S3CDN;
 export default function getURL(url) {
   if (!url) return url;
 
-  if (!baseUri) {
+  if (baseUri === undefined) {
     baseUri = $('meta[name="discourse-base-uri"]').attr("content") || "";
   }