1003 lines
31 KiB
JavaScript
1003 lines
31 KiB
JavaScript
/**
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* Copyright (c) 2013-present, Facebook, Inc.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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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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// -- Inlined from fbjs --
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var emptyObject = {};
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if (process.env.NODE_ENV !== 'production') {
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Object.freeze(emptyObject);
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}
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var validateFormat = function validateFormat(format) {};
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if (process.env.NODE_ENV !== 'production') {
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validateFormat = function validateFormat(format) {
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if (format === undefined) {
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throw new Error('invariant requires an error message argument');
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}
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};
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}
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function _invariant(condition, format, a, b, c, d, e, f) {
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validateFormat(format);
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if (!condition) {
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var error;
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if (format === undefined) {
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error = new Error('Minified exception occurred; use the non-minified dev environment ' + 'for the full error message and additional helpful warnings.');
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} else {
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var args = [a, b, c, d, e, f];
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var argIndex = 0;
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error = new Error(format.replace(/%s/g, function () {
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return args[argIndex++];
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}));
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error.name = 'Invariant Violation';
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}
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error.framesToPop = 1; // we don't care about invariant's own frame
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throw error;
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}
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}
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var warning = function(){};
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if (process.env.NODE_ENV !== 'production') {
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var printWarning = function printWarning(format) {
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for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
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args[_key - 1] = arguments[_key];
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}
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var argIndex = 0;
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var message = 'Warning: ' + format.replace(/%s/g, function () {
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return args[argIndex++];
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});
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if (typeof console !== 'undefined') {
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console.error(message);
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}
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try {
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// --- Welcome to debugging React ---
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// This error was thrown as a convenience so that you can use this stack
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// to find the callsite that caused this warning to fire.
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throw new Error(message);
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} catch (x) {}
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};
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warning = function warning(condition, format) {
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if (format === undefined) {
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throw new Error('`warning(condition, format, ...args)` requires a warning ' + 'message argument');
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}
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if (format.indexOf('Failed Composite propType: ') === 0) {
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return; // Ignore CompositeComponent proptype check.
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}
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if (!condition) {
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for (var _len2 = arguments.length, args = Array(_len2 > 2 ? _len2 - 2 : 0), _key2 = 2; _key2 < _len2; _key2++) {
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args[_key2 - 2] = arguments[_key2];
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}
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printWarning.apply(undefined, [format].concat(args));
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}
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};
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}
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// /-- Inlined from fbjs --
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var MIXINS_KEY = 'mixins';
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// Helper function to allow the creation of anonymous functions which do not
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// have .name set to the name of the variable being assigned to.
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function identity(fn) {
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return fn;
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}
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var ReactPropTypeLocationNames;
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if (process.env.NODE_ENV !== 'production') {
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ReactPropTypeLocationNames = {
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prop: 'prop',
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context: 'context',
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childContext: 'child context'
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};
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} else {
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ReactPropTypeLocationNames = {};
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}
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function factory(ReactComponent, isValidElement, ReactNoopUpdateQueue) {
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/**
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* Policies that describe methods in `ReactClassInterface`.
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*/
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var injectedMixins = [];
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/**
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* Composite components are higher-level components that compose other composite
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* or host components.
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*
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* To create a new type of `ReactClass`, pass a specification of
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* your new class to `React.createClass`. The only requirement of your class
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* specification is that you implement a `render` method.
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*
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* var MyComponent = React.createClass({
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* render: function() {
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* return <div>Hello World</div>;
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* }
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* });
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*
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* The class specification supports a specific protocol of methods that have
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* special meaning (e.g. `render`). See `ReactClassInterface` for
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* more the comprehensive protocol. Any other properties and methods in the
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* class specification will be available on the prototype.
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*
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* @interface ReactClassInterface
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* @internal
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*/
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var ReactClassInterface = {
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/**
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* An array of Mixin objects to include when defining your component.
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*
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* @type {array}
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* @optional
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*/
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mixins: 'DEFINE_MANY',
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/**
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* An object containing properties and methods that should be defined on
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* the component's constructor instead of its prototype (static methods).
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*
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* @type {object}
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* @optional
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*/
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statics: 'DEFINE_MANY',
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/**
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* Definition of prop types for this component.
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*
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* @type {object}
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* @optional
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*/
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propTypes: 'DEFINE_MANY',
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/**
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* Definition of context types for this component.
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*
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* @type {object}
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* @optional
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*/
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contextTypes: 'DEFINE_MANY',
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/**
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* Definition of context types this component sets for its children.
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*
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* @type {object}
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* @optional
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*/
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childContextTypes: 'DEFINE_MANY',
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// ==== Definition methods ====
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/**
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* Invoked when the component is mounted. Values in the mapping will be set on
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* `this.props` if that prop is not specified (i.e. using an `in` check).
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*
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* This method is invoked before `getInitialState` and therefore cannot rely
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* on `this.state` or use `this.setState`.
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*
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* @return {object}
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* @optional
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*/
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getDefaultProps: 'DEFINE_MANY_MERGED',
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/**
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* Invoked once before the component is mounted. The return value will be used
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* as the initial value of `this.state`.
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*
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* getInitialState: function() {
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* return {
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* isOn: false,
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* fooBaz: new BazFoo()
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* }
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* }
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*
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* @return {object}
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* @optional
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*/
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getInitialState: 'DEFINE_MANY_MERGED',
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/**
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* @return {object}
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* @optional
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*/
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getChildContext: 'DEFINE_MANY_MERGED',
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/**
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* Uses props from `this.props` and state from `this.state` to render the
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* structure of the component.
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*
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* No guarantees are made about when or how often this method is invoked, so
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* it must not have side effects.
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*
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* render: function() {
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* var name = this.props.name;
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* return <div>Hello, {name}!</div>;
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* }
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*
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* @return {ReactComponent}
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* @required
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*/
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render: 'DEFINE_ONCE',
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// ==== Delegate methods ====
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/**
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* Invoked when the component is initially created and about to be mounted.
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* This may have side effects, but any external subscriptions or data created
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* by this method must be cleaned up in `componentWillUnmount`.
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*
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* @optional
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*/
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componentWillMount: 'DEFINE_MANY',
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/**
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* Invoked when the component has been mounted and has a DOM representation.
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* However, there is no guarantee that the DOM node is in the document.
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*
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* Use this as an opportunity to operate on the DOM when the component has
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* been mounted (initialized and rendered) for the first time.
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*
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* @param {DOMElement} rootNode DOM element representing the component.
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* @optional
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*/
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componentDidMount: 'DEFINE_MANY',
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/**
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* Invoked before the component receives new props.
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*
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* Use this as an opportunity to react to a prop transition by updating the
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* state using `this.setState`. Current props are accessed via `this.props`.
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*
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* componentWillReceiveProps: function(nextProps, nextContext) {
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* this.setState({
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* likesIncreasing: nextProps.likeCount > this.props.likeCount
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* });
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* }
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*
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* NOTE: There is no equivalent `componentWillReceiveState`. An incoming prop
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* transition may cause a state change, but the opposite is not true. If you
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* need it, you are probably looking for `componentWillUpdate`.
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*
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* @param {object} nextProps
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* @optional
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*/
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componentWillReceiveProps: 'DEFINE_MANY',
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/**
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* Invoked while deciding if the component should be updated as a result of
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* receiving new props, state and/or context.
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*
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* Use this as an opportunity to `return false` when you're certain that the
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* transition to the new props/state/context will not require a component
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* update.
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*
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* shouldComponentUpdate: function(nextProps, nextState, nextContext) {
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* return !equal(nextProps, this.props) ||
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* !equal(nextState, this.state) ||
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* !equal(nextContext, this.context);
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* }
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*
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* @param {object} nextProps
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* @param {?object} nextState
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* @param {?object} nextContext
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* @return {boolean} True if the component should update.
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* @optional
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*/
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shouldComponentUpdate: 'DEFINE_ONCE',
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/**
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* Invoked when the component is about to update due to a transition from
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* `this.props`, `this.state` and `this.context` to `nextProps`, `nextState`
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* and `nextContext`.
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*
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* Use this as an opportunity to perform preparation before an update occurs.
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*
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* NOTE: You **cannot** use `this.setState()` in this method.
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*
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* @param {object} nextProps
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* @param {?object} nextState
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* @param {?object} nextContext
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* @param {ReactReconcileTransaction} transaction
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* @optional
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*/
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componentWillUpdate: 'DEFINE_MANY',
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/**
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* Invoked when the component's DOM representation has been updated.
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*
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* Use this as an opportunity to operate on the DOM when the component has
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* been updated.
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*
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* @param {object} prevProps
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* @param {?object} prevState
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* @param {?object} prevContext
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* @param {DOMElement} rootNode DOM element representing the component.
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* @optional
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*/
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componentDidUpdate: 'DEFINE_MANY',
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/**
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* Invoked when the component is about to be removed from its parent and have
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* its DOM representation destroyed.
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*
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* Use this as an opportunity to deallocate any external resources.
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*
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* NOTE: There is no `componentDidUnmount` since your component will have been
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* destroyed by that point.
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*
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* @optional
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*/
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componentWillUnmount: 'DEFINE_MANY',
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/**
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* Replacement for (deprecated) `componentWillMount`.
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*
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* @optional
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*/
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UNSAFE_componentWillMount: 'DEFINE_MANY',
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/**
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* Replacement for (deprecated) `componentWillReceiveProps`.
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*
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* @optional
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*/
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UNSAFE_componentWillReceiveProps: 'DEFINE_MANY',
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/**
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* Replacement for (deprecated) `componentWillUpdate`.
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*
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* @optional
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*/
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UNSAFE_componentWillUpdate: 'DEFINE_MANY',
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// ==== Advanced methods ====
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/**
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* Updates the component's currently mounted DOM representation.
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*
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* By default, this implements React's rendering and reconciliation algorithm.
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* Sophisticated clients may wish to override this.
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*
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* @param {ReactReconcileTransaction} transaction
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* @internal
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* @overridable
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*/
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updateComponent: 'OVERRIDE_BASE'
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};
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/**
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* Similar to ReactClassInterface but for static methods.
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*/
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var ReactClassStaticInterface = {
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/**
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* This method is invoked after a component is instantiated and when it
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* receives new props. Return an object to update state in response to
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* prop changes. Return null to indicate no change to state.
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*
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* If an object is returned, its keys will be merged into the existing state.
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*
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* @return {object || null}
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* @optional
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*/
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getDerivedStateFromProps: 'DEFINE_MANY_MERGED'
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};
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/**
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* Mapping from class specification keys to special processing functions.
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*
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* Although these are declared like instance properties in the specification
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* when defining classes using `React.createClass`, they are actually static
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* and are accessible on the constructor instead of the prototype. Despite
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* being static, they must be defined outside of the "statics" key under
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* which all other static methods are defined.
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*/
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var RESERVED_SPEC_KEYS = {
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displayName: function(Constructor, displayName) {
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Constructor.displayName = displayName;
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},
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mixins: function(Constructor, mixins) {
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if (mixins) {
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for (var i = 0; i < mixins.length; i++) {
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mixSpecIntoComponent(Constructor, mixins[i]);
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}
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}
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},
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childContextTypes: function(Constructor, childContextTypes) {
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if (process.env.NODE_ENV !== 'production') {
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validateTypeDef(Constructor, childContextTypes, 'childContext');
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}
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Constructor.childContextTypes = _assign(
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{},
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Constructor.childContextTypes,
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childContextTypes
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);
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},
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contextTypes: function(Constructor, contextTypes) {
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if (process.env.NODE_ENV !== 'production') {
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validateTypeDef(Constructor, contextTypes, 'context');
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}
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Constructor.contextTypes = _assign(
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{},
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Constructor.contextTypes,
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contextTypes
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);
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},
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/**
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* Special case getDefaultProps which should move into statics but requires
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* automatic merging.
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*/
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getDefaultProps: function(Constructor, getDefaultProps) {
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if (Constructor.getDefaultProps) {
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Constructor.getDefaultProps = createMergedResultFunction(
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Constructor.getDefaultProps,
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getDefaultProps
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);
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} else {
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Constructor.getDefaultProps = getDefaultProps;
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}
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},
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propTypes: function(Constructor, propTypes) {
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if (process.env.NODE_ENV !== 'production') {
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validateTypeDef(Constructor, propTypes, 'prop');
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}
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Constructor.propTypes = _assign({}, Constructor.propTypes, propTypes);
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},
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statics: function(Constructor, statics) {
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mixStaticSpecIntoComponent(Constructor, statics);
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},
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autobind: function() {}
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};
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function validateTypeDef(Constructor, typeDef, location) {
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for (var propName in typeDef) {
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if (typeDef.hasOwnProperty(propName)) {
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// use a warning instead of an _invariant so components
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// don't show up in prod but only in __DEV__
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if (process.env.NODE_ENV !== 'production') {
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warning(
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typeof typeDef[propName] === 'function',
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'%s: %s type `%s` is invalid; it must be a function, usually from ' +
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'React.PropTypes.',
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Constructor.displayName || 'ReactClass',
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ReactPropTypeLocationNames[location],
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propName
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);
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}
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}
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}
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}
|
|
|
|
function validateMethodOverride(isAlreadyDefined, name) {
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var specPolicy = ReactClassInterface.hasOwnProperty(name)
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? ReactClassInterface[name]
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: null;
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|
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// Disallow overriding of base class methods unless explicitly allowed.
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if (ReactClassMixin.hasOwnProperty(name)) {
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_invariant(
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specPolicy === 'OVERRIDE_BASE',
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'ReactClassInterface: You are attempting to override ' +
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'`%s` from your class specification. Ensure that your method names ' +
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'do not overlap with React methods.',
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name
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);
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}
|
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|
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// Disallow defining methods more than once unless explicitly allowed.
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if (isAlreadyDefined) {
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_invariant(
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specPolicy === 'DEFINE_MANY' || specPolicy === 'DEFINE_MANY_MERGED',
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'ReactClassInterface: You are attempting to define ' +
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'`%s` on your component more than once. This conflict may be due ' +
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'to a mixin.',
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name
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);
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}
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}
|
|
|
|
/**
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|
* Mixin helper which handles policy validation and reserved
|
|
* specification keys when building React classes.
|
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*/
|
|
function mixSpecIntoComponent(Constructor, spec) {
|
|
if (!spec) {
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|
if (process.env.NODE_ENV !== 'production') {
|
|
var typeofSpec = typeof spec;
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var isMixinValid = typeofSpec === 'object' && spec !== null;
|
|
|
|
if (process.env.NODE_ENV !== 'production') {
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warning(
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isMixinValid,
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"%s: You're attempting to include a mixin that is either null " +
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'or not an object. Check the mixins included by the component, ' +
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'as well as any mixins they include themselves. ' +
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'Expected object but got %s.',
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Constructor.displayName || 'ReactClass',
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spec === null ? null : typeofSpec
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);
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}
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}
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return;
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}
|
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|
|
_invariant(
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typeof spec !== 'function',
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"ReactClass: You're attempting to " +
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'use a component class or function as a mixin. Instead, just use a ' +
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'regular object.'
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);
|
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_invariant(
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!isValidElement(spec),
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"ReactClass: You're attempting to " +
|
|
'use a component as a mixin. Instead, just use a regular object.'
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);
|
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|
|
var proto = Constructor.prototype;
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|
var autoBindPairs = proto.__reactAutoBindPairs;
|
|
|
|
// By handling mixins before any other properties, we ensure the same
|
|
// chaining order is applied to methods with DEFINE_MANY policy, whether
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// mixins are listed before or after these methods in the spec.
|
|
if (spec.hasOwnProperty(MIXINS_KEY)) {
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RESERVED_SPEC_KEYS.mixins(Constructor, spec.mixins);
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}
|
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|
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for (var name in spec) {
|
|
if (!spec.hasOwnProperty(name)) {
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continue;
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}
|
|
|
|
if (name === MIXINS_KEY) {
|
|
// We have already handled mixins in a special case above.
|
|
continue;
|
|
}
|
|
|
|
var property = spec[name];
|
|
var isAlreadyDefined = proto.hasOwnProperty(name);
|
|
validateMethodOverride(isAlreadyDefined, name);
|
|
|
|
if (RESERVED_SPEC_KEYS.hasOwnProperty(name)) {
|
|
RESERVED_SPEC_KEYS[name](Constructor, property);
|
|
} else {
|
|
// Setup methods on prototype:
|
|
// The following member methods should not be automatically bound:
|
|
// 1. Expected ReactClass methods (in the "interface").
|
|
// 2. Overridden methods (that were mixed in).
|
|
var isReactClassMethod = ReactClassInterface.hasOwnProperty(name);
|
|
var isFunction = typeof property === 'function';
|
|
var shouldAutoBind =
|
|
isFunction &&
|
|
!isReactClassMethod &&
|
|
!isAlreadyDefined &&
|
|
spec.autobind !== false;
|
|
|
|
if (shouldAutoBind) {
|
|
autoBindPairs.push(name, property);
|
|
proto[name] = property;
|
|
} else {
|
|
if (isAlreadyDefined) {
|
|
var specPolicy = ReactClassInterface[name];
|
|
|
|
// These cases should already be caught by validateMethodOverride.
|
|
_invariant(
|
|
isReactClassMethod &&
|
|
(specPolicy === 'DEFINE_MANY_MERGED' ||
|
|
specPolicy === 'DEFINE_MANY'),
|
|
'ReactClass: Unexpected spec policy %s for key %s ' +
|
|
'when mixing in component specs.',
|
|
specPolicy,
|
|
name
|
|
);
|
|
|
|
// For methods which are defined more than once, call the existing
|
|
// methods before calling the new property, merging if appropriate.
|
|
if (specPolicy === 'DEFINE_MANY_MERGED') {
|
|
proto[name] = createMergedResultFunction(proto[name], property);
|
|
} else if (specPolicy === 'DEFINE_MANY') {
|
|
proto[name] = createChainedFunction(proto[name], property);
|
|
}
|
|
} else {
|
|
proto[name] = property;
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
// Add verbose displayName to the function, which helps when looking
|
|
// at profiling tools.
|
|
if (typeof property === 'function' && spec.displayName) {
|
|
proto[name].displayName = spec.displayName + '_' + name;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function mixStaticSpecIntoComponent(Constructor, statics) {
|
|
if (!statics) {
|
|
return;
|
|
}
|
|
|
|
for (var name in statics) {
|
|
var property = statics[name];
|
|
if (!statics.hasOwnProperty(name)) {
|
|
continue;
|
|
}
|
|
|
|
var isReserved = name in RESERVED_SPEC_KEYS;
|
|
_invariant(
|
|
!isReserved,
|
|
'ReactClass: You are attempting to define a reserved ' +
|
|
'property, `%s`, that shouldn\'t be on the "statics" key. Define it ' +
|
|
'as an instance property instead; it will still be accessible on the ' +
|
|
'constructor.',
|
|
name
|
|
);
|
|
|
|
var isAlreadyDefined = name in Constructor;
|
|
if (isAlreadyDefined) {
|
|
var specPolicy = ReactClassStaticInterface.hasOwnProperty(name)
|
|
? ReactClassStaticInterface[name]
|
|
: null;
|
|
|
|
_invariant(
|
|
specPolicy === 'DEFINE_MANY_MERGED',
|
|
'ReactClass: You are attempting to define ' +
|
|
'`%s` on your component more than once. This conflict may be ' +
|
|
'due to a mixin.',
|
|
name
|
|
);
|
|
|
|
Constructor[name] = createMergedResultFunction(Constructor[name], property);
|
|
|
|
return;
|
|
}
|
|
|
|
Constructor[name] = property;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Merge two objects, but throw if both contain the same key.
|
|
*
|
|
* @param {object} one The first object, which is mutated.
|
|
* @param {object} two The second object
|
|
* @return {object} one after it has been mutated to contain everything in two.
|
|
*/
|
|
function mergeIntoWithNoDuplicateKeys(one, two) {
|
|
_invariant(
|
|
one && two && typeof one === 'object' && typeof two === 'object',
|
|
'mergeIntoWithNoDuplicateKeys(): Cannot merge non-objects.'
|
|
);
|
|
|
|
for (var key in two) {
|
|
if (two.hasOwnProperty(key)) {
|
|
_invariant(
|
|
one[key] === undefined,
|
|
'mergeIntoWithNoDuplicateKeys(): ' +
|
|
'Tried to merge two objects with the same key: `%s`. This conflict ' +
|
|
'may be due to a mixin; in particular, this may be caused by two ' +
|
|
'getInitialState() or getDefaultProps() methods returning objects ' +
|
|
'with clashing keys.',
|
|
key
|
|
);
|
|
one[key] = two[key];
|
|
}
|
|
}
|
|
return one;
|
|
}
|
|
|
|
/**
|
|
* Creates a function that invokes two functions and merges their return values.
|
|
*
|
|
* @param {function} one Function to invoke first.
|
|
* @param {function} two Function to invoke second.
|
|
* @return {function} Function that invokes the two argument functions.
|
|
* @private
|
|
*/
|
|
function createMergedResultFunction(one, two) {
|
|
return function mergedResult() {
|
|
var a = one.apply(this, arguments);
|
|
var b = two.apply(this, arguments);
|
|
if (a == null) {
|
|
return b;
|
|
} else if (b == null) {
|
|
return a;
|
|
}
|
|
var c = {};
|
|
mergeIntoWithNoDuplicateKeys(c, a);
|
|
mergeIntoWithNoDuplicateKeys(c, b);
|
|
return c;
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Creates a function that invokes two functions and ignores their return vales.
|
|
*
|
|
* @param {function} one Function to invoke first.
|
|
* @param {function} two Function to invoke second.
|
|
* @return {function} Function that invokes the two argument functions.
|
|
* @private
|
|
*/
|
|
function createChainedFunction(one, two) {
|
|
return function chainedFunction() {
|
|
one.apply(this, arguments);
|
|
two.apply(this, arguments);
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Binds a method to the component.
|
|
*
|
|
* @param {object} component Component whose method is going to be bound.
|
|
* @param {function} method Method to be bound.
|
|
* @return {function} The bound method.
|
|
*/
|
|
function bindAutoBindMethod(component, method) {
|
|
var boundMethod = method.bind(component);
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
boundMethod.__reactBoundContext = component;
|
|
boundMethod.__reactBoundMethod = method;
|
|
boundMethod.__reactBoundArguments = null;
|
|
var componentName = component.constructor.displayName;
|
|
var _bind = boundMethod.bind;
|
|
boundMethod.bind = function(newThis) {
|
|
for (
|
|
var _len = arguments.length,
|
|
args = Array(_len > 1 ? _len - 1 : 0),
|
|
_key = 1;
|
|
_key < _len;
|
|
_key++
|
|
) {
|
|
args[_key - 1] = arguments[_key];
|
|
}
|
|
|
|
// User is trying to bind() an autobound method; we effectively will
|
|
// ignore the value of "this" that the user is trying to use, so
|
|
// let's warn.
|
|
if (newThis !== component && newThis !== null) {
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
warning(
|
|
false,
|
|
'bind(): React component methods may only be bound to the ' +
|
|
'component instance. See %s',
|
|
componentName
|
|
);
|
|
}
|
|
} else if (!args.length) {
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
warning(
|
|
false,
|
|
'bind(): You are binding a component method to the component. ' +
|
|
'React does this for you automatically in a high-performance ' +
|
|
'way, so you can safely remove this call. See %s',
|
|
componentName
|
|
);
|
|
}
|
|
return boundMethod;
|
|
}
|
|
var reboundMethod = _bind.apply(boundMethod, arguments);
|
|
reboundMethod.__reactBoundContext = component;
|
|
reboundMethod.__reactBoundMethod = method;
|
|
reboundMethod.__reactBoundArguments = args;
|
|
return reboundMethod;
|
|
};
|
|
}
|
|
return boundMethod;
|
|
}
|
|
|
|
/**
|
|
* Binds all auto-bound methods in a component.
|
|
*
|
|
* @param {object} component Component whose method is going to be bound.
|
|
*/
|
|
function bindAutoBindMethods(component) {
|
|
var pairs = component.__reactAutoBindPairs;
|
|
for (var i = 0; i < pairs.length; i += 2) {
|
|
var autoBindKey = pairs[i];
|
|
var method = pairs[i + 1];
|
|
component[autoBindKey] = bindAutoBindMethod(component, method);
|
|
}
|
|
}
|
|
|
|
var IsMountedPreMixin = {
|
|
componentDidMount: function() {
|
|
this.__isMounted = true;
|
|
}
|
|
};
|
|
|
|
var IsMountedPostMixin = {
|
|
componentWillUnmount: function() {
|
|
this.__isMounted = false;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Add more to the ReactClass base class. These are all legacy features and
|
|
* therefore not already part of the modern ReactComponent.
|
|
*/
|
|
var ReactClassMixin = {
|
|
/**
|
|
* TODO: This will be deprecated because state should always keep a consistent
|
|
* type signature and the only use case for this, is to avoid that.
|
|
*/
|
|
replaceState: function(newState, callback) {
|
|
this.updater.enqueueReplaceState(this, newState, callback);
|
|
},
|
|
|
|
/**
|
|
* Checks whether or not this composite component is mounted.
|
|
* @return {boolean} True if mounted, false otherwise.
|
|
* @protected
|
|
* @final
|
|
*/
|
|
isMounted: function() {
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
warning(
|
|
this.__didWarnIsMounted,
|
|
'%s: isMounted is deprecated. Instead, make sure to clean up ' +
|
|
'subscriptions and pending requests in componentWillUnmount to ' +
|
|
'prevent memory leaks.',
|
|
(this.constructor && this.constructor.displayName) ||
|
|
this.name ||
|
|
'Component'
|
|
);
|
|
this.__didWarnIsMounted = true;
|
|
}
|
|
return !!this.__isMounted;
|
|
}
|
|
};
|
|
|
|
var ReactClassComponent = function() {};
|
|
_assign(
|
|
ReactClassComponent.prototype,
|
|
ReactComponent.prototype,
|
|
ReactClassMixin
|
|
);
|
|
|
|
/**
|
|
* Creates a composite component class given a class specification.
|
|
* See https://facebook.github.io/react/docs/top-level-api.html#react.createclass
|
|
*
|
|
* @param {object} spec Class specification (which must define `render`).
|
|
* @return {function} Component constructor function.
|
|
* @public
|
|
*/
|
|
function createClass(spec) {
|
|
// To keep our warnings more understandable, we'll use a little hack here to
|
|
// ensure that Constructor.name !== 'Constructor'. This makes sure we don't
|
|
// unnecessarily identify a class without displayName as 'Constructor'.
|
|
var Constructor = identity(function(props, context, updater) {
|
|
// This constructor gets overridden by mocks. The argument is used
|
|
// by mocks to assert on what gets mounted.
|
|
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
warning(
|
|
this instanceof Constructor,
|
|
'Something is calling a React component directly. Use a factory or ' +
|
|
'JSX instead. See: https://fb.me/react-legacyfactory'
|
|
);
|
|
}
|
|
|
|
// Wire up auto-binding
|
|
if (this.__reactAutoBindPairs.length) {
|
|
bindAutoBindMethods(this);
|
|
}
|
|
|
|
this.props = props;
|
|
this.context = context;
|
|
this.refs = emptyObject;
|
|
this.updater = updater || ReactNoopUpdateQueue;
|
|
|
|
this.state = null;
|
|
|
|
// ReactClasses doesn't have constructors. Instead, they use the
|
|
// getInitialState and componentWillMount methods for initialization.
|
|
|
|
var initialState = this.getInitialState ? this.getInitialState() : null;
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
// We allow auto-mocks to proceed as if they're returning null.
|
|
if (
|
|
initialState === undefined &&
|
|
this.getInitialState._isMockFunction
|
|
) {
|
|
// This is probably bad practice. Consider warning here and
|
|
// deprecating this convenience.
|
|
initialState = null;
|
|
}
|
|
}
|
|
_invariant(
|
|
typeof initialState === 'object' && !Array.isArray(initialState),
|
|
'%s.getInitialState(): must return an object or null',
|
|
Constructor.displayName || 'ReactCompositeComponent'
|
|
);
|
|
|
|
this.state = initialState;
|
|
});
|
|
Constructor.prototype = new ReactClassComponent();
|
|
Constructor.prototype.constructor = Constructor;
|
|
Constructor.prototype.__reactAutoBindPairs = [];
|
|
|
|
injectedMixins.forEach(mixSpecIntoComponent.bind(null, Constructor));
|
|
|
|
mixSpecIntoComponent(Constructor, IsMountedPreMixin);
|
|
mixSpecIntoComponent(Constructor, spec);
|
|
mixSpecIntoComponent(Constructor, IsMountedPostMixin);
|
|
|
|
// Initialize the defaultProps property after all mixins have been merged.
|
|
if (Constructor.getDefaultProps) {
|
|
Constructor.defaultProps = Constructor.getDefaultProps();
|
|
}
|
|
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
// This is a tag to indicate that the use of these method names is ok,
|
|
// since it's used with createClass. If it's not, then it's likely a
|
|
// mistake so we'll warn you to use the static property, property
|
|
// initializer or constructor respectively.
|
|
if (Constructor.getDefaultProps) {
|
|
Constructor.getDefaultProps.isReactClassApproved = {};
|
|
}
|
|
if (Constructor.prototype.getInitialState) {
|
|
Constructor.prototype.getInitialState.isReactClassApproved = {};
|
|
}
|
|
}
|
|
|
|
_invariant(
|
|
Constructor.prototype.render,
|
|
'createClass(...): Class specification must implement a `render` method.'
|
|
);
|
|
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
warning(
|
|
!Constructor.prototype.componentShouldUpdate,
|
|
'%s has a method called ' +
|
|
'componentShouldUpdate(). Did you mean shouldComponentUpdate()? ' +
|
|
'The name is phrased as a question because the function is ' +
|
|
'expected to return a value.',
|
|
spec.displayName || 'A component'
|
|
);
|
|
warning(
|
|
!Constructor.prototype.componentWillRecieveProps,
|
|
'%s has a method called ' +
|
|
'componentWillRecieveProps(). Did you mean componentWillReceiveProps()?',
|
|
spec.displayName || 'A component'
|
|
);
|
|
warning(
|
|
!Constructor.prototype.UNSAFE_componentWillRecieveProps,
|
|
'%s has a method called UNSAFE_componentWillRecieveProps(). ' +
|
|
'Did you mean UNSAFE_componentWillReceiveProps()?',
|
|
spec.displayName || 'A component'
|
|
);
|
|
}
|
|
|
|
// Reduce time spent doing lookups by setting these on the prototype.
|
|
for (var methodName in ReactClassInterface) {
|
|
if (!Constructor.prototype[methodName]) {
|
|
Constructor.prototype[methodName] = null;
|
|
}
|
|
}
|
|
|
|
return Constructor;
|
|
}
|
|
|
|
return createClass;
|
|
}
|
|
|
|
module.exports = factory;
|