From: Yamagishi Kazutoshi <ykzts@desire.sh>
Date: Mon, 31 Jul 2017 17:40:20 +0000 (+0900)
Subject: Load extra polyfills when isIntersecting is undefined (#4469)
X-Git-Url: https://git.xn--scling-oua.cat.family/?a=commitdiff_plain;h=b9ec3b7e7c0bbe44e95cb483fa79cb0d4e8e99f6;p=mastodon.git

Load extra polyfills when isIntersecting is undefined (#4469)
---

diff --git a/app/javascript/mastodon/load_polyfills.js b/app/javascript/mastodon/load_polyfills.js
index df7889118..8927b7358 100644
--- a/app/javascript/mastodon/load_polyfills.js
+++ b/app/javascript/mastodon/load_polyfills.js
@@ -24,6 +24,8 @@ function loadPolyfills() {
   // This avoids shipping them all the polyfills.
   const needsExtraPolyfills = !(
     window.IntersectionObserver &&
+    window.IntersectionObserverEntry &&
+    'isIntersecting' in IntersectionObserverEntry.prototype &&
     window.requestIdleCallback &&
     'object-fit' in (new Image()).style
   );