From b9ec3b7e7c0bbe44e95cb483fa79cb0d4e8e99f6 Mon Sep 17 00:00:00 2001
From: Yamagishi Kazutoshi <ykzts@desire.sh>
Date: Tue, 1 Aug 2017 02:40:20 +0900
Subject: [PATCH] Load extra polyfills when isIntersecting is undefined (#4469)
---
app/javascript/mastodon/load_polyfills.js | 2 ++
1 file changed, 2 insertions(+)
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
);
--
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