wallet-core/node_modules/react/lib/ReactPureComponent.js

41 lines
1.3 KiB
JavaScript
Raw Normal View History

2017-05-03 15:35:00 +02:00
/**
* Copyright 2013-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
*/
'use strict';
var _assign = require('object-assign');
var ReactComponent = require('./ReactComponent');
var ReactNoopUpdateQueue = require('./ReactNoopUpdateQueue');
var emptyObject = require('fbjs/lib/emptyObject');
/**
* Base class helpers for the updating state of a component.
*/
function ReactPureComponent(props, context, updater) {
// Duplicated from ReactComponent.
this.props = props;
this.context = context;
this.refs = emptyObject;
// We initialize the default updater but the real one gets injected by the
// renderer.
this.updater = updater || ReactNoopUpdateQueue;
}
function ComponentDummy() {}
ComponentDummy.prototype = ReactComponent.prototype;
ReactPureComponent.prototype = new ComponentDummy();
ReactPureComponent.prototype.constructor = ReactPureComponent;
// Avoid an extra prototype jump for these methods.
_assign(ReactPureComponent.prototype, ReactComponent.prototype);
ReactPureComponent.prototype.isPureReactComponent = true;
module.exports = ReactPureComponent;