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15 lines
356 B
TypeScript
15 lines
356 B
TypeScript
import {useState, useEffect} from 'react';
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const useObservable = <T>(observable$, initialValue?: T): T | undefined => {
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const [value, update] = useState<T | undefined>(initialValue);
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useEffect(() => {
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const s = observable$.subscribe(update)
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return () => s.unsubscribe();
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}, [observable$]);
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return value;
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}
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export default useObservable;
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