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fix: iframe can be null

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Vadim Dalecky 2019-07-07 15:42:38 +02:00 committed by GitHub
parent 8f04e8fd5c
commit a9e3bab280
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1 changed files with 1 additions and 1 deletions
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src/useSize.tsx
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@ -45,7 +45,7 @@ const useSize = (
};
useEffect(() => {
const iframe: HTMLIFrameElement = ref.current;
const iframe: HTMLIFrameElement | null = ref.current;
if(!iframe) {
// iframe will be undefined if component is already unmounted