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authorFlorian Dold <florian.dold@gmail.com>2017-05-03 15:35:00 +0200
committerFlorian Dold <florian.dold@gmail.com>2017-05-03 15:35:00 +0200
commitde98e0b232509d5f40c135d540a70e415272ff85 (patch)
treea79222a5b58484ab3b80d18efcaaa7ccc4769b33 /node_modules/react/lib/ReactComponent.js
parente0c9d480a73fa629c1e4a47d3e721f1d2d345406 (diff)
node_modules
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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 _prodInvariant = require('./reactProdInvariant');
+
+var ReactNoopUpdateQueue = require('./ReactNoopUpdateQueue');
+
+var canDefineProperty = require('./canDefineProperty');
+var emptyObject = require('fbjs/lib/emptyObject');
+var invariant = require('fbjs/lib/invariant');
+var warning = require('fbjs/lib/warning');
+
+/**
+ * Base class helpers for the updating state of a component.
+ */
+function ReactComponent(props, context, updater) {
+ 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;
+}
+
+ReactComponent.prototype.isReactComponent = {};
+
+/**
+ * Sets a subset of the state. Always use this to mutate
+ * state. You should treat `this.state` as immutable.
+ *
+ * There is no guarantee that `this.state` will be immediately updated, so
+ * accessing `this.state` after calling this method may return the old value.
+ *
+ * There is no guarantee that calls to `setState` will run synchronously,
+ * as they may eventually be batched together. You can provide an optional
+ * callback that will be executed when the call to setState is actually
+ * completed.
+ *
+ * When a function is provided to setState, it will be called at some point in
+ * the future (not synchronously). It will be called with the up to date
+ * component arguments (state, props, context). These values can be different
+ * from this.* because your function may be called after receiveProps but before
+ * shouldComponentUpdate, and this new state, props, and context will not yet be
+ * assigned to this.
+ *
+ * @param {object|function} partialState Next partial state or function to
+ * produce next partial state to be merged with current state.
+ * @param {?function} callback Called after state is updated.
+ * @final
+ * @protected
+ */
+ReactComponent.prototype.setState = function (partialState, callback) {
+ !(typeof partialState === 'object' || typeof partialState === 'function' || partialState == null) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'setState(...): takes an object of state variables to update or a function which returns an object of state variables.') : _prodInvariant('85') : void 0;
+ this.updater.enqueueSetState(this, partialState);
+ if (callback) {
+ this.updater.enqueueCallback(this, callback, 'setState');
+ }
+};
+
+/**
+ * Forces an update. This should only be invoked when it is known with
+ * certainty that we are **not** in a DOM transaction.
+ *
+ * You may want to call this when you know that some deeper aspect of the
+ * component's state has changed but `setState` was not called.
+ *
+ * This will not invoke `shouldComponentUpdate`, but it will invoke
+ * `componentWillUpdate` and `componentDidUpdate`.
+ *
+ * @param {?function} callback Called after update is complete.
+ * @final
+ * @protected
+ */
+ReactComponent.prototype.forceUpdate = function (callback) {
+ this.updater.enqueueForceUpdate(this);
+ if (callback) {
+ this.updater.enqueueCallback(this, callback, 'forceUpdate');
+ }
+};
+
+/**
+ * Deprecated APIs. These APIs used to exist on classic React classes but since
+ * we would like to deprecate them, we're not going to move them over to this
+ * modern base class. Instead, we define a getter that warns if it's accessed.
+ */
+if (process.env.NODE_ENV !== 'production') {
+ var deprecatedAPIs = {
+ isMounted: ['isMounted', 'Instead, make sure to clean up subscriptions and pending requests in ' + 'componentWillUnmount to prevent memory leaks.'],
+ replaceState: ['replaceState', 'Refactor your code to use setState instead (see ' + 'https://github.com/facebook/react/issues/3236).']
+ };
+ var defineDeprecationWarning = function (methodName, info) {
+ if (canDefineProperty) {
+ Object.defineProperty(ReactComponent.prototype, methodName, {
+ get: function () {
+ process.env.NODE_ENV !== 'production' ? warning(false, '%s(...) is deprecated in plain JavaScript React classes. %s', info[0], info[1]) : void 0;
+ return undefined;
+ }
+ });
+ }
+ };
+ for (var fnName in deprecatedAPIs) {
+ if (deprecatedAPIs.hasOwnProperty(fnName)) {
+ defineDeprecationWarning(fnName, deprecatedAPIs[fnName]);
+ }
+ }
+}
+
+module.exports = ReactComponent; \ No newline at end of file