Fix IntersectionObserver isIntersecting in Edge (#3365)

9 years ago · 24d645b7d0
parent 7b23f79d41
commit 24d645b7d0
1 changed files with 3 additions and 1 deletions
--- 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