24 lines
412 B
TypeScript
24 lines
412 B
TypeScript
'use client';
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import { useRef } from 'react';
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import { isDefined } from '../utils.js';
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export default function useCachedValue<T>(getter: () => T): () => T {
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const ref = useRef<T | undefined>(undefined);
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const currentValue = ref.current;
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if (isDefined(currentValue)) {
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return () => currentValue;
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}
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return () => {
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const value = getter();
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ref.current = value;
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return value;
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};
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}
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