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编辑当前文件:/home/freeclou/app.optimyar.com/backend/node_modules/react-side-effect/lib/index.umd.js

(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('react')) :
  typeof define === 'function' && define.amd ? define(['react'], factory) :
  (global = global || self, global.withSideEffect = factory(global.React));
}(this, (function (React) { 'use strict';

var React__default = 'default' in React ? React['default'] : React;

function _defineProperty(obj, key, value) {
    if (key in obj) {
      Object.defineProperty(obj, key, {
        value: value,
        enumerable: true,
        configurable: true,
        writable: true
      });
    } else {
      obj[key] = value;
    }

return obj;
  }

function _inheritsLoose(subClass, superClass) {
    subClass.prototype = Object.create(superClass.prototype);
    subClass.prototype.constructor = subClass;
    subClass.__proto__ = superClass;
  }

var canUseDOM = !!(typeof window !== 'undefined' && window.document && window.document.createElement);
  function withSideEffect(reducePropsToState, handleStateChangeOnClient, mapStateOnServer) {
    if (typeof reducePropsToState !== 'function') {
      throw new Error('Expected reducePropsToState to be a function.');
    }

if (typeof handleStateChangeOnClient !== 'function') {
      throw new Error('Expected handleStateChangeOnClient to be a function.');
    }

if (typeof mapStateOnServer !== 'undefined' && typeof mapStateOnServer !== 'function') {
      throw new Error('Expected mapStateOnServer to either be undefined or a function.');
    }

function getDisplayName(WrappedComponent) {
      return WrappedComponent.displayName || WrappedComponent.name || 'Component';
    }

return function wrap(WrappedComponent) {
      if (typeof WrappedComponent !== 'function') {
        throw new Error('Expected WrappedComponent to be a React component.');
      }

var mountedInstances = [];
      var state;

function emitChange() {
        state = reducePropsToState(mountedInstances.map(function (instance) {
          return instance.props;
        }));

if (SideEffect.canUseDOM) {
          handleStateChangeOnClient(state);
        } else if (mapStateOnServer) {
          state = mapStateOnServer(state);
        }
      }

var SideEffect = /*#__PURE__*/function (_PureComponent) {
        _inheritsLoose(SideEffect, _PureComponent);

function SideEffect() {
          return _PureComponent.apply(this, arguments) || this;
        }

// Try to use displayName of wrapped component
        // Expose canUseDOM so tests can monkeypatch it
        SideEffect.peek = function peek() {
          return state;
        };

SideEffect.rewind = function rewind() {
          if (SideEffect.canUseDOM) {
            throw new Error('You may only call rewind() on the server. Call peek() to read the current state.');
          }

var recordedState = state;
          state = undefined;
          mountedInstances = [];
          return recordedState;
        };

var _proto = SideEffect.prototype;

_proto.UNSAFE_componentWillMount = function UNSAFE_componentWillMount() {
          mountedInstances.push(this);
          emitChange();
        };

_proto.componentDidUpdate = function componentDidUpdate() {
          emitChange();
        };

_proto.componentWillUnmount = function componentWillUnmount() {
          var index = mountedInstances.indexOf(this);
          mountedInstances.splice(index, 1);
          emitChange();
        };

_proto.render = function render() {
          return /*#__PURE__*/React__default.createElement(WrappedComponent, this.props);
        };

return SideEffect;
      }(React.PureComponent);

_defineProperty(SideEffect, "displayName", "SideEffect(" + getDisplayName(WrappedComponent) + ")");

_defineProperty(SideEffect, "canUseDOM", canUseDOM);

return SideEffect;
    };
  }

return withSideEffect;

})));