From 24d645b7d00c4e47264b9a2efb71abfb840de28d Mon Sep 17 00:00:00 2001
From: Nolan Lawson <nolan@nolanlawson.com>
Date: Sun, 28 May 2017 07:45:42 -0700
Subject: [PATCH] Fix IntersectionObserver isIntersecting in Edge (#3365)
---
app/javascript/mastodon/components/status_list.js | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/app/javascript/mastodon/components/status_list.js b/app/javascript/mastodon/components/status_list.js
index 59089ad92..39f663dfb 100644
--- a/app/javascript/mastodon/components/status_list.js
+++ b/app/javascript/mastodon/components/status_list.js
@@ -70,7 +70,9 @@ class StatusList extends ImmutablePureComponent {
entries.forEach(entry => {
const statusId = entry.target.getAttribute('data-id');
- state.isIntersecting[statusId] = entry.isIntersecting;
+ // Edge 15 doesn't support isIntersecting, but we can infer it from intersectionRatio
+ // https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/12156111/
+ state.isIntersecting[statusId] = entry.intersectionRatio > 0;
});
// isIntersecting is a map of DOM data-id's to booleans (true for