node_modules

1 files changed, 41 insertions, 0 deletions

diff --git a/node_modules/react/lib/ReactPureComponent.js b/node_modules/react/lib/ReactPureComponent.js
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+/**
+ * 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;
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