node_modules

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diff --git a/node_modules/react/lib/ReactLink.js b/node_modules/react/lib/ReactLink.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';
+
+/**
+ * ReactLink encapsulates a common pattern in which a component wants to modify
+ * a prop received from its parent. ReactLink allows the parent to pass down a
+ * value coupled with a callback that, when invoked, expresses an intent to
+ * modify that value. For example:
+ *
+ * React.createClass({
+ *   getInitialState: function() {
+ *     return {value: ''};
+ *   },
+ *   render: function() {
+ *     var valueLink = new ReactLink(this.state.value, this._handleValueChange);
+ *     return <input valueLink={valueLink} />;
+ *   },
+ *   _handleValueChange: function(newValue) {
+ *     this.setState({value: newValue});
+ *   }
+ * });
+ *
+ * We have provided some sugary mixins to make the creation and
+ * consumption of ReactLink easier; see LinkedValueUtils and LinkedStateMixin.
+ */
+
+var React = require('./React');
+
+/**
+ * Deprecated: An an easy way to express two-way binding with React. 
+ * See https://facebook.github.io/react/docs/two-way-binding-helpers.html
+ *
+ * @param {*} value current value of the link
+ * @param {function} requestChange callback to request a change
+ */
+function ReactLink(value, requestChange) {
+  this.value = value;
+  this.requestChange = requestChange;
+}
+
+/**
+ * Creates a PropType that enforces the ReactLink API and optionally checks the
+ * type of the value being passed inside the link. Example:
+ *
+ * MyComponent.propTypes = {
+ *   tabIndexLink: ReactLink.PropTypes.link(React.PropTypes.number)
+ * }
+ */
+function createLinkTypeChecker(linkType) {
+  var shapes = {
+    value: linkType === undefined ? React.PropTypes.any.isRequired : linkType.isRequired,
+    requestChange: React.PropTypes.func.isRequired
+  };
+  return React.PropTypes.shape(shapes);
+}
+
+ReactLink.PropTypes = {
+  link: createLinkTypeChecker
+};
+
+module.exports = ReactLink;
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