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