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

🌈 React Native UI library

/**
 * 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 () {
      var _fnRef$current;

      for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
        args[_key] = arguments[_key];
      }

      return (_fnRef$current = fnRef.current) === null || _fnRef$current === void 0 ? void 0 : _fnRef$current.apply(this, args);
    };
  }

  return persistFn.current;
}

export default usePersistFn;
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