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Fix useAsyncMemo out-of-order resolutions

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Michael Telatynski 2021-05-25 15:34:44 +01:00
parent 02d11b8926
commit a6ca8f797d
1 changed files with 9 additions and 1 deletions
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10
src/hooks/useAsyncMemo.ts
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@ -21,7 +21,15 @@ type Fn<T> = () => Promise<T>;
export const useAsyncMemo = <T>(fn: Fn<T>, deps: DependencyList, initialValue?: T): T => { export const useAsyncMemo = <T>(fn: Fn<T>, deps: DependencyList, initialValue?: T): T => {
const [value, setValue] = useState<T>(initialValue); const [value, setValue] = useState<T>(initialValue);
useEffect(() => { useEffect(() => {
fn().then(setValue); let discard = false;
fn().then(v => {
if (!discard) {
setValue(v);
}
});
return () => {
discard = true;
};
}, deps); // eslint-disable-line react-hooks/exhaustive-deps }, deps); // eslint-disable-line react-hooks/exhaustive-deps
return value; return value;
}; };