tor-browser

redux.js (25092B)

---

/**
* react-redux v4.0.5
*/
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
typeof define === 'function' && define.amd ? define(['exports'], factory) :
(global = global || self, factory(global.Redux = {}));
}(this, function (exports) { 'use strict';

function symbolObservablePonyfill(root) {
var result;
var Symbol = root.Symbol;

if (typeof Symbol === 'function') {
	if (Symbol.observable) {
		result = Symbol.observable;
	} else {
		result = Symbol('observable');
		Symbol.observable = result;
	}
} else {
	result = '@@observable';
}

return result;
}

/* global window */

var root;

if (typeof self !== 'undefined') {
 root = self;
} else if (typeof window !== 'undefined') {
 root = window;
} else if (typeof global !== 'undefined') {
 root = global;
} else if (typeof module !== 'undefined') {
 root = module;
} else {
 root = globalThis;
}

var result = symbolObservablePonyfill(root);

/**
* These are private action types reserved by Redux.
* For any unknown actions, you must return the current state.
* If the current state is undefined, you must return the initial state.
* Do not reference these action types directly in your code.
*/
var randomString = function randomString() {
 return Math.random().toString(36).substring(7).split('').join('.');
};

var ActionTypes = {
 INIT: "@@redux/INIT" + randomString(),
 REPLACE: "@@redux/REPLACE" + randomString(),
 PROBE_UNKNOWN_ACTION: function PROBE_UNKNOWN_ACTION() {
   return "@@redux/PROBE_UNKNOWN_ACTION" + randomString();
 }
};

/**
* @param {any} obj The object to inspect.
* @returns {boolean} True if the argument appears to be a plain object.
*/
function isPlainObject(obj) {
 if (typeof obj !== 'object' || obj === null) return false;
 var proto = obj;

 while (Object.getPrototypeOf(proto) !== null) {
   proto = Object.getPrototypeOf(proto);
 }

 return Object.getPrototypeOf(obj) === proto;
}

/**
* Creates a Redux store that holds the state tree.
* The only way to change the data in the store is to call `dispatch()` on it.
*
* There should only be a single store in your app. To specify how different
* parts of the state tree respond to actions, you may combine several reducers
* into a single reducer function by using `combineReducers`.
*
* @param {Function} reducer A function that returns the next state tree, given
* the current state tree and the action to handle.
*
* @param {any} [preloadedState] The initial state. You may optionally specify it
* to hydrate the state from the server in universal apps, or to restore a
* previously serialized user session.
* If you use `combineReducers` to produce the root reducer function, this must be
* an object with the same shape as `combineReducers` keys.
*
* @param {Function} [enhancer] The store enhancer. You may optionally specify it
* to enhance the store with third-party capabilities such as middleware,
* time travel, persistence, etc. The only store enhancer that ships with Redux
* is `applyMiddleware()`.
*
* @returns {Store} A Redux store that lets you read the state, dispatch actions
* and subscribe to changes.
*/

function createStore(reducer, preloadedState, enhancer) {
 var _ref2;

 if (typeof preloadedState === 'function' && typeof enhancer === 'function' || typeof enhancer === 'function' && typeof arguments[3] === 'function') {
   throw new Error('It looks like you are passing several store enhancers to ' + 'createStore(). This is not supported. Instead, compose them ' + 'together to a single function.');
 }

 if (typeof preloadedState === 'function' && typeof enhancer === 'undefined') {
   enhancer = preloadedState;
   preloadedState = undefined;
 }

 if (typeof enhancer !== 'undefined') {
   if (typeof enhancer !== 'function') {
     throw new Error('Expected the enhancer to be a function.');
   }

   return enhancer(createStore)(reducer, preloadedState);
 }

 if (typeof reducer !== 'function') {
   throw new Error('Expected the reducer to be a function.');
 }

 var currentReducer = reducer;
 var currentState = preloadedState;
 var currentListeners = [];
 var nextListeners = currentListeners;
 var isDispatching = false;
 /**
  * This makes a shallow copy of currentListeners so we can use
  * nextListeners as a temporary list while dispatching.
  *
  * This prevents any bugs around consumers calling
  * subscribe/unsubscribe in the middle of a dispatch.
  */

 function ensureCanMutateNextListeners() {
   if (nextListeners === currentListeners) {
     nextListeners = currentListeners.slice();
   }
 }
 /**
  * Reads the state tree managed by the store.
  *
  * @returns {any} The current state tree of your application.
  */


 function getState() {
   if (isDispatching) {
     throw new Error('You may not call store.getState() while the reducer is executing. ' + 'The reducer has already received the state as an argument. ' + 'Pass it down from the top reducer instead of reading it from the store.');
   }

   return currentState;
 }
 /**
  * Adds a change listener. It will be called any time an action is dispatched,
  * and some part of the state tree may potentially have changed. You may then
  * call `getState()` to read the current state tree inside the callback.
  *
  * You may call `dispatch()` from a change listener, with the following
  * caveats:
  *
  * 1. The subscriptions are snapshotted just before every `dispatch()` call.
  * If you subscribe or unsubscribe while the listeners are being invoked, this
  * will not have any effect on the `dispatch()` that is currently in progress.
  * However, the next `dispatch()` call, whether nested or not, will use a more
  * recent snapshot of the subscription list.
  *
  * 2. The listener should not expect to see all state changes, as the state
  * might have been updated multiple times during a nested `dispatch()` before
  * the listener is called. It is, however, guaranteed that all subscribers
  * registered before the `dispatch()` started will be called with the latest
  * state by the time it exits.
  *
  * @param {Function} listener A callback to be invoked on every dispatch.
  * @returns {Function} A function to remove this change listener.
  */


 function subscribe(listener) {
   if (typeof listener !== 'function') {
     throw new Error('Expected the listener to be a function.');
   }

   if (isDispatching) {
     throw new Error('You may not call store.subscribe() while the reducer is executing. ' + 'If you would like to be notified after the store has been updated, subscribe from a ' + 'component and invoke store.getState() in the callback to access the latest state. ' + 'See https://redux.js.org/api-reference/store#subscribelistener for more details.');
   }

   var isSubscribed = true;
   ensureCanMutateNextListeners();
   nextListeners.push(listener);
   return function unsubscribe() {
     if (!isSubscribed) {
       return;
     }

     if (isDispatching) {
       throw new Error('You may not unsubscribe from a store listener while the reducer is executing. ' + 'See https://redux.js.org/api-reference/store#subscribelistener for more details.');
     }

     isSubscribed = false;
     ensureCanMutateNextListeners();
     var index = nextListeners.indexOf(listener);
     nextListeners.splice(index, 1);
     currentListeners = null;
   };
 }
 /**
  * Dispatches an action. It is the only way to trigger a state change.
  *
  * The `reducer` function, used to create the store, will be called with the
  * current state tree and the given `action`. Its return value will
  * be considered the **next** state of the tree, and the change listeners
  * will be notified.
  *
  * The base implementation only supports plain object actions. If you want to
  * dispatch a Promise, an Observable, a thunk, or something else, you need to
  * wrap your store creating function into the corresponding middleware. For
  * example, see the documentation for the `redux-thunk` package. Even the
  * middleware will eventually dispatch plain object actions using this method.
  *
  * @param {Object} action A plain object representing “what changed”. It is
  * a good idea to keep actions serializable so you can record and replay user
  * sessions, or use the time travelling `redux-devtools`. An action must have
  * a `type` property which may not be `undefined`. It is a good idea to use
  * string constants for action types.
  *
  * @returns {Object} For convenience, the same action object you dispatched.
  *
  * Note that, if you use a custom middleware, it may wrap `dispatch()` to
  * return something else (for example, a Promise you can await).
  */


 function dispatch(action) {
   if (!isPlainObject(action)) {
     throw new Error('Actions must be plain objects. ' + 'Use custom middleware for async actions.');
   }

   if (typeof action.type === 'undefined') {
     throw new Error('Actions may not have an undefined "type" property. ' + 'Have you misspelled a constant?');
   }

   if (isDispatching) {
     throw new Error('Reducers may not dispatch actions.');
   }

   try {
     isDispatching = true;
     currentState = currentReducer(currentState, action);
   } finally {
     isDispatching = false;
   }

   var listeners = currentListeners = nextListeners;

   for (var i = 0; i < listeners.length; i++) {
     var listener = listeners[i];
     listener();
   }

   return action;
 }
 /**
  * Replaces the reducer currently used by the store to calculate the state.
  *
  * You might need this if your app implements code splitting and you want to
  * load some of the reducers dynamically. You might also need this if you
  * implement a hot reloading mechanism for Redux.
  *
  * @param {Function} nextReducer The reducer for the store to use instead.
  * @returns {void}
  */


 function replaceReducer(nextReducer) {
   if (typeof nextReducer !== 'function') {
     throw new Error('Expected the nextReducer to be a function.');
   }

   currentReducer = nextReducer; // This action has a similiar effect to ActionTypes.INIT.
   // Any reducers that existed in both the new and old rootReducer
   // will receive the previous state. This effectively populates
   // the new state tree with any relevant data from the old one.

   dispatch({
     type: ActionTypes.REPLACE
   });
 }
 /**
  * Interoperability point for observable/reactive libraries.
  * @returns {observable} A minimal observable of state changes.
  * For more information, see the observable proposal:
  * https://github.com/tc39/proposal-observable
  */


 function observable() {
   var _ref;

   var outerSubscribe = subscribe;
   return _ref = {
     /**
      * The minimal observable subscription method.
      * @param {Object} observer Any object that can be used as an observer.
      * The observer object should have a `next` method.
      * @returns {subscription} An object with an `unsubscribe` method that can
      * be used to unsubscribe the observable from the store, and prevent further
      * emission of values from the observable.
      */
     subscribe: function subscribe(observer) {
       if (typeof observer !== 'object' || observer === null) {
         throw new TypeError('Expected the observer to be an object.');
       }

       function observeState() {
         if (observer.next) {
           observer.next(getState());
         }
       }

       observeState();
       var unsubscribe = outerSubscribe(observeState);
       return {
         unsubscribe: unsubscribe
       };
     }
   }, _ref[result] = function () {
     return this;
   }, _ref;
 } // When a store is created, an "INIT" action is dispatched so that every
 // reducer returns their initial state. This effectively populates
 // the initial state tree.


 dispatch({
   type: ActionTypes.INIT
 });
 return _ref2 = {
   dispatch: dispatch,
   subscribe: subscribe,
   getState: getState,
   replaceReducer: replaceReducer
 }, _ref2[result] = observable, _ref2;
}

/**
* Prints a warning in the console if it exists.
*
* @param {String} message The warning message.
* @returns {void}
*/
function warning(message) {
 /* eslint-disable no-console */
 if (typeof console !== 'undefined' && typeof console.error === 'function') {
   console.error(message);
 }
 /* eslint-enable no-console */


 try {
   // This error was thrown as a convenience so that if you enable
   // "break on all exceptions" in your console,
   // it would pause the execution at this line.
   throw new Error(message);
 } catch (e) {} // eslint-disable-line no-empty

}

function getUndefinedStateErrorMessage(key, action) {
 var actionType = action && action.type;
 var actionDescription = actionType && "action \"" + String(actionType) + "\"" || 'an action';
 return "Given " + actionDescription + ", reducer \"" + key + "\" returned undefined. " + "To ignore an action, you must explicitly return the previous state. " + "If you want this reducer to hold no value, you can return null instead of undefined.";
}

function getUnexpectedStateShapeWarningMessage(inputState, reducers, action, unexpectedKeyCache) {
 var reducerKeys = Object.keys(reducers);
 var argumentName = action && action.type === ActionTypes.INIT ? 'preloadedState argument passed to createStore' : 'previous state received by the reducer';

 if (reducerKeys.length === 0) {
   return 'Store does not have a valid reducer. Make sure the argument passed ' + 'to combineReducers is an object whose values are reducers.';
 }

 if (!isPlainObject(inputState)) {
   return "The " + argumentName + " has unexpected type of \"" + {}.toString.call(inputState).match(/\s([a-z|A-Z]+)/)[1] + "\". Expected argument to be an object with the following " + ("keys: \"" + reducerKeys.join('", "') + "\"");
 }

 var unexpectedKeys = Object.keys(inputState).filter(function (key) {
   return !reducers.hasOwnProperty(key) && !unexpectedKeyCache[key];
 });
 unexpectedKeys.forEach(function (key) {
   unexpectedKeyCache[key] = true;
 });
 if (action && action.type === ActionTypes.REPLACE) return;

 if (unexpectedKeys.length > 0) {
   return "Unexpected " + (unexpectedKeys.length > 1 ? 'keys' : 'key') + " " + ("\"" + unexpectedKeys.join('", "') + "\" found in " + argumentName + ". ") + "Expected to find one of the known reducer keys instead: " + ("\"" + reducerKeys.join('", "') + "\". Unexpected keys will be ignored.");
 }
}

function assertReducerShape(reducers) {
 Object.keys(reducers).forEach(function (key) {
   var reducer = reducers[key];
   var initialState = reducer(undefined, {
     type: ActionTypes.INIT
   });

   if (typeof initialState === 'undefined') {
     throw new Error("Reducer \"" + key + "\" returned undefined during initialization. " + "If the state passed to the reducer is undefined, you must " + "explicitly return the initial state. The initial state may " + "not be undefined. If you don't want to set a value for this reducer, " + "you can use null instead of undefined.");
   }

   if (typeof reducer(undefined, {
     type: ActionTypes.PROBE_UNKNOWN_ACTION()
   }) === 'undefined') {
     throw new Error("Reducer \"" + key + "\" returned undefined when probed with a random type. " + ("Don't try to handle " + ActionTypes.INIT + " or other actions in \"redux/*\" ") + "namespace. They are considered private. Instead, you must return the " + "current state for any unknown actions, unless it is undefined, " + "in which case you must return the initial state, regardless of the " + "action type. The initial state may not be undefined, but can be null.");
   }
 });
}
/**
* Turns an object whose values are different reducer functions, into a single
* reducer function. It will call every child reducer, and gather their results
* into a single state object, whose keys correspond to the keys of the passed
* reducer functions.
*
* @param {Object} reducers An object whose values correspond to different
* reducer functions that need to be combined into one. One handy way to obtain
* it is to use ES6 `import * as reducers` syntax. The reducers may never return
* undefined for any action. Instead, they should return their initial state
* if the state passed to them was undefined, and the current state for any
* unrecognized action.
*
* @returns {Function} A reducer function that invokes every reducer inside the
* passed object, and builds a state object with the same shape.
*/


function combineReducers(reducers) {
 var reducerKeys = Object.keys(reducers);
 var finalReducers = {};

 for (var i = 0; i < reducerKeys.length; i++) {
   var key = reducerKeys[i];

   {
     if (typeof reducers[key] === 'undefined') {
       warning("No reducer provided for key \"" + key + "\"");
     }
   }

   if (typeof reducers[key] === 'function') {
     finalReducers[key] = reducers[key];
   }
 }

 var finalReducerKeys = Object.keys(finalReducers); // This is used to make sure we don't warn about the same
 // keys multiple times.

 var unexpectedKeyCache;

 {
   unexpectedKeyCache = {};
 }

 var shapeAssertionError;

 try {
   assertReducerShape(finalReducers);
 } catch (e) {
   shapeAssertionError = e;
 }

 return function combination(state, action) {
   if (state === void 0) {
     state = {};
   }

   if (shapeAssertionError) {
     throw shapeAssertionError;
   }

   {
     var warningMessage = getUnexpectedStateShapeWarningMessage(state, finalReducers, action, unexpectedKeyCache);

     if (warningMessage) {
       warning(warningMessage);
     }
   }

   var hasChanged = false;
   var nextState = {};

   for (var _i = 0; _i < finalReducerKeys.length; _i++) {
     var _key = finalReducerKeys[_i];
     var reducer = finalReducers[_key];
     var previousStateForKey = state[_key];
     var nextStateForKey = reducer(previousStateForKey, action);

     if (typeof nextStateForKey === 'undefined') {
       var errorMessage = getUndefinedStateErrorMessage(_key, action);
       throw new Error(errorMessage);
     }

     nextState[_key] = nextStateForKey;
     hasChanged = hasChanged || nextStateForKey !== previousStateForKey;
   }

   hasChanged = hasChanged || finalReducerKeys.length !== Object.keys(state).length;
   return hasChanged ? nextState : state;
 };
}

function bindActionCreator(actionCreator, dispatch) {
 return function () {
   return dispatch(actionCreator.apply(this, arguments));
 };
}
/**
* Turns an object whose values are action creators, into an object with the
* same keys, but with every function wrapped into a `dispatch` call so they
* may be invoked directly. This is just a convenience method, as you can call
* `store.dispatch(MyActionCreators.doSomething())` yourself just fine.
*
* For convenience, you can also pass an action creator as the first argument,
* and get a dispatch wrapped function in return.
*
* @param {Function|Object} actionCreators An object whose values are action
* creator functions. One handy way to obtain it is to use ES6 `import * as`
* syntax. You may also pass a single function.
*
* @param {Function} dispatch The `dispatch` function available on your Redux
* store.
*
* @returns {Function|Object} The object mimicking the original object, but with
* every action creator wrapped into the `dispatch` call. If you passed a
* function as `actionCreators`, the return value will also be a single
* function.
*/


function bindActionCreators(actionCreators, dispatch) {
 if (typeof actionCreators === 'function') {
   return bindActionCreator(actionCreators, dispatch);
 }

 if (typeof actionCreators !== 'object' || actionCreators === null) {
   throw new Error("bindActionCreators expected an object or a function, instead received " + (actionCreators === null ? 'null' : typeof actionCreators) + ". " + "Did you write \"import ActionCreators from\" instead of \"import * as ActionCreators from\"?");
 }

 var boundActionCreators = {};

 for (var key in actionCreators) {
   var actionCreator = actionCreators[key];

   if (typeof actionCreator === 'function') {
     boundActionCreators[key] = bindActionCreator(actionCreator, dispatch);
   }
 }

 return boundActionCreators;
}

function _defineProperty(obj, key, value) {
 if (key in obj) {
   Object.defineProperty(obj, key, {
     value: value,
     enumerable: true,
     configurable: true,
     writable: true
   });
 } else {
   obj[key] = value;
 }

 return obj;
}

function ownKeys(object, enumerableOnly) {
 var keys = Object.keys(object);

 if (Object.getOwnPropertySymbols) {
   keys.push.apply(keys, Object.getOwnPropertySymbols(object));
 }

 if (enumerableOnly) keys = keys.filter(function (sym) {
   return Object.getOwnPropertyDescriptor(object, sym).enumerable;
 });
 return keys;
}

function _objectSpread2(target) {
 for (var i = 1; i < arguments.length; i++) {
   var source = arguments[i] != null ? arguments[i] : {};

   if (i % 2) {
     ownKeys(source, true).forEach(function (key) {
       _defineProperty(target, key, source[key]);
     });
   } else if (Object.getOwnPropertyDescriptors) {
     Object.defineProperties(target, Object.getOwnPropertyDescriptors(source));
   } else {
     ownKeys(source).forEach(function (key) {
       Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key));
     });
   }
 }

 return target;
}

/**
* Composes single-argument functions from right to left. The rightmost
* function can take multiple arguments as it provides the signature for
* the resulting composite function.
*
* @param {...Function} funcs The functions to compose.
* @returns {Function} A function obtained by composing the argument functions
* from right to left. For example, compose(f, g, h) is identical to doing
* (...args) => f(g(h(...args))).
*/
function compose() {
 for (var _len = arguments.length, funcs = new Array(_len), _key = 0; _key < _len; _key++) {
   funcs[_key] = arguments[_key];
 }

 if (funcs.length === 0) {
   return function (arg) {
     return arg;
   };
 }

 if (funcs.length === 1) {
   return funcs[0];
 }

 return funcs.reduce(function (a, b) {
   return function () {
     return a(b.apply(void 0, arguments));
   };
 });
}

/**
* Creates a store enhancer that applies middleware to the dispatch method
* of the Redux store. This is handy for a variety of tasks, such as expressing
* asynchronous actions in a concise manner, or logging every action payload.
*
* See `redux-thunk` package as an example of the Redux middleware.
*
* Because middleware is potentially asynchronous, this should be the first
* store enhancer in the composition chain.
*
* Note that each middleware will be given the `dispatch` and `getState` functions
* as named arguments.
*
* @param {...Function} middlewares The middleware chain to be applied.
* @returns {Function} A store enhancer applying the middleware.
*/

function applyMiddleware() {
 for (var _len = arguments.length, middlewares = new Array(_len), _key = 0; _key < _len; _key++) {
   middlewares[_key] = arguments[_key];
 }

 return function (createStore) {
   return function () {
     var store = createStore.apply(void 0, arguments);

     var _dispatch = function dispatch() {
       throw new Error('Dispatching while constructing your middleware is not allowed. ' + 'Other middleware would not be applied to this dispatch.');
     };

     var middlewareAPI = {
       getState: store.getState,
       dispatch: function dispatch() {
         return _dispatch.apply(void 0, arguments);
       }
     };
     var chain = middlewares.map(function (middleware) {
       return middleware(middlewareAPI);
     });
     _dispatch = compose.apply(void 0, chain)(store.dispatch);
     return _objectSpread2({}, store, {
       dispatch: _dispatch
     });
   };
 };
}

/*
* This is a dummy function to check if the function name has been altered by minification.
* If the function has been minified and NODE_ENV !== 'production', warn the user.
*/

function isCrushed() {}

if ( typeof isCrushed.name === 'string' && isCrushed.name !== 'isCrushed') {
 warning('You are currently using minified code outside of NODE_ENV === "production". ' + 'This means that you are running a slower development build of Redux. ' + 'You can use loose-envify (https://github.com/zertosh/loose-envify) for browserify ' + 'or setting mode to production in webpack (https://webpack.js.org/concepts/mode/) ' + 'to ensure you have the correct code for your production build.');
}

exports.__DO_NOT_USE__ActionTypes = ActionTypes;
exports.applyMiddleware = applyMiddleware;
exports.bindActionCreators = bindActionCreators;
exports.combineReducers = combineReducers;
exports.compose = compose;
exports.createStore = createStore;

Object.defineProperty(exports, '__esModule', { value: true });

}));