19 lines
473 B
TypeScript
19 lines
473 B
TypeScript
11 months ago
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import { useRef } from "react";
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/**
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* Returns a stable function of the same type.
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*/
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export const useStableCallback = <T extends (...args: any[]) => any>(
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userFn: T,
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) => {
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const stableRef = useRef<{ userFn: T; stableFn?: T }>({ userFn });
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stableRef.current.userFn = userFn;
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if (!stableRef.current.stableFn) {
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stableRef.current.stableFn = ((...args: any[]) =>
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stableRef.current.userFn(...args)) as T;
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}
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return stableRef.current.stableFn as T;
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};
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