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Dropdown: check ref exists

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Fixes urbit/landscape#805
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Liam Fitzgerald 2021-04-22 15:16:02 +10:00
parent 1a01e58b7b
commit 24259dab87
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1 changed files with 3 additions and 0 deletions
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pkg/interface/src/views/components/Dropdown.tsx
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@ -47,6 +47,9 @@ export function Dropdown(props: DropdownProps): ReactElement {
const [coords, setCoords] = useState({});
const updatePos = useCallback(() => {
if(!anchorRef.current) {
return;
}
const newCoords = getRelativePosition(anchorRef.current, props.alignX, props.alignY, offsetX, offsetY);
if(newCoords) {
setCoords(newCoords);