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Fix scrubber dragging division by zero

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closes #64
This commit is contained in:
Toby Zerner 2015-09-29 17:46:05 +09:30
parent be8c79183e
commit 0caaea8c50
1 changed files with 1 additions and 1 deletions
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framework/core/js/forum/src/components/PostStreamScrubber.js
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@ -410,7 +410,7 @@ export default class PostStreamScrubber extends Component {
// the index at which the drag was started, and then scroll there.
const deltaPixels = (e.clientY || e.originalEvent.touches[0].clientY) - this.mouseStart;
const deltaPercent = deltaPixels / this.$('.Scrubber-scrollbar').outerHeight() * 100;
const deltaIndex = deltaPercent / this.percentPerPost().index;
const deltaIndex = (deltaPercent / this.percentPerPost().index) || 0;
const newIndex = Math.min(this.indexStart + deltaIndex, this.count() - 1);
this.index = Math.max(0, newIndex);