UNPKG

ahooks

Version:
28 lines 806 B
import { useMemo, useRef } from 'react'; import { isFunction } from '../utils'; import isDev from '../utils/isDev'; function useMemoizedFn(fn) { if (isDev) { if (!isFunction(fn)) { console.error("useMemoizedFn expected parameter is a function, got ".concat(typeof fn)); } } var fnRef = useRef(fn); // why not write `fnRef.current = fn`? // https://github.com/alibaba/hooks/issues/728 fnRef.current = useMemo(function () { return fn; }, [fn]); var memoizedFn = useRef(); if (!memoizedFn.current) { memoizedFn.current = function () { var args = []; for (var _i = 0; _i < arguments.length; _i++) { args[_i] = arguments[_i]; } return fnRef.current.apply(this, args); }; } return memoizedFn.current; } export default useMemoizedFn;