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Improve PostStreamState.viewingEnd()

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In some cases, such as if we've stickied a post, an event post
may have been added / removed.This means that `this.visibleEnd`
and`this.count()` will be out of sync by 1 post, but we are still
"viewing the end" of the post stream, so we should still reload
all posts up until the last one.
This commit is contained in:
Alexander Skvortsov 2020-09-30 16:33:10 -04:00
parent a001736298
commit 93f8ce78b3
1 changed files with 6 additions and 1 deletions
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7
js/src/forum/states/PostStreamState.js
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@ -344,7 +344,12 @@ class PostStreamState {
* @return {boolean}
*/
viewingEnd() {
return this.visibleEnd === this.count();
// In some cases, such as if we've stickied a post, an event post
// may have been added / removed. This means that `this.visibleEnd`
// and`this.count()` will be out of sync by 1 post, but we are still
// "viewing the end" of the post stream, so we should still reload
// all posts up until the last one.
return Math.abs(this.count() - this.visibleEnd) <= 1;
}
/**