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check for sticky ref before update

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This commit is contained in:
Shawn Erquhart 2017-04-17 18:03:44 -04:00
parent c7d3de0fc8
commit 63e916ee2a
1 changed files with 1 additions and 1 deletions
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2
src/components/UI/Sticky/Sticky.js
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@ -28,7 +28,7 @@ export class StickyContext extends Component {
}
updateStickies = (ref) => {
const stickyContextTop = ref.getBoundingClientRect().top;
const stickyContextTop = ref && ref.getBoundingClientRect().top;
this.subscriptions.forEach((fn) => { fn(stickyContextTop); });
};