@antmjs/vantui/lib/waterfall-flow/hooks/usePersistFn/index.js

一套适用于Taro3及React的vantui组件库

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.usePersistFn = void 0;
var _react = require("react");
var usePersistFn = function usePersistFn(fn) {
  var fnRef = (0, _react.useRef)(fn);

  // why not write `fnRef.current = fn`?
  // https://github.com/alibaba/hooks/issues/728
  fnRef.current = (0, _react.useMemo)(function () {
    return fn;
  }, [fn]);
  var memoizedFn = (0, _react.useRef)();
  if (!memoizedFn.current) {
    memoizedFn.current = function () {
      for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
        args[_key] = arguments[_key];
      }
      return fnRef.current.apply(this, args);
    };
  }
  return memoizedFn.current;
};
exports.usePersistFn = usePersistFn;