@fruits-chain/react-native-xiaoshu/lib/module/hooks/usePersistFn.js

🌈 React Native UI library

"use strict";

/**
 * 代码来源：https://github.com/alibaba/hooks/blob/master/packages/hooks/src/usePersistFn/index.ts
 * 关于 this：https://www.jianshu.com/p/8b3a2513d8e5
 */

import { useRef } from 'react';
/**
 * 持久化 function 的 Hook
 */
function usePersistFn(fn) {
  const fnRef = useRef(fn);
  fnRef.current = fn;
  const persistFn = useRef();
  if (!persistFn.current) {
    persistFn.current = function (...args) {
      return fnRef.current?.apply(this, args);
    };
  }
  return persistFn.current;
}
export default usePersistFn;
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