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'use strict';
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Object.defineProperty(exports, '__esModule', { value: true });
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function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }
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var $$observable = _interopDefault(require('symbol-observable'));
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/**
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* These are private action types reserved by Redux.
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* For any unknown actions, you must return the current state.
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* If the current state is undefined, you must return the initial state.
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* Do not reference these action types directly in your code.
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*/
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var randomString = function randomString() {
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return Math.random().toString(36).substring(7).split('').join('.');
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};
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var ActionTypes = {
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INIT: "@@redux/INIT" + randomString(),
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REPLACE: "@@redux/REPLACE" + randomString(),
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PROBE_UNKNOWN_ACTION: function PROBE_UNKNOWN_ACTION() {
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return "@@redux/PROBE_UNKNOWN_ACTION" + randomString();
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}
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};
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/**
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* @param {any} obj The object to inspect.
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* @returns {boolean} True if the argument appears to be a plain object.
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*/
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function isPlainObject(obj) {
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if (typeof obj !== 'object' || obj === null) return false;
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var proto = obj;
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while (Object.getPrototypeOf(proto) !== null) {
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proto = Object.getPrototypeOf(proto);
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}
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return Object.getPrototypeOf(obj) === proto;
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}
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/**
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* Creates a Redux store that holds the state tree.
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* The only way to change the data in the store is to call `dispatch()` on it.
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*
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* There should only be a single store in your app. To specify how different
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* parts of the state tree respond to actions, you may combine several reducers
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* into a single reducer function by using `combineReducers`.
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*
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* @param {Function} reducer A function that returns the next state tree, given
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* the current state tree and the action to handle.
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*
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* @param {any} [preloadedState] The initial state. You may optionally specify it
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* to hydrate the state from the server in universal apps, or to restore a
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* previously serialized user session.
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* If you use `combineReducers` to produce the root reducer function, this must be
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* an object with the same shape as `combineReducers` keys.
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*
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* @param {Function} [enhancer] The store enhancer. You may optionally specify it
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* to enhance the store with third-party capabilities such as middleware,
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* time travel, persistence, etc. The only store enhancer that ships with Redux
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* is `applyMiddleware()`.
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*
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* @returns {Store} A Redux store that lets you read the state, dispatch actions
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* and subscribe to changes.
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*/
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function createStore(reducer, preloadedState, enhancer) {
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var _ref2;
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if (typeof preloadedState === 'function' && typeof enhancer === 'function' || typeof enhancer === 'function' && typeof arguments[3] === 'function') {
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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.');
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}
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if (typeof preloadedState === 'function' && typeof enhancer === 'undefined') {
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enhancer = preloadedState;
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preloadedState = undefined;
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}
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if (typeof enhancer !== 'undefined') {
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if (typeof enhancer !== 'function') {
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throw new Error('Expected the enhancer to be a function.');
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}
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return enhancer(createStore)(reducer, preloadedState);
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}
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if (typeof reducer !== 'function') {
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throw new Error('Expected the reducer to be a function.');
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}
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var currentReducer = reducer;
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var currentState = preloadedState;
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var currentListeners = [];
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var nextListeners = currentListeners;
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var isDispatching = false;
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/**
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* This makes a shallow copy of currentListeners so we can use
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* nextListeners as a temporary list while dispatching.
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*
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* This prevents any bugs around consumers calling
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* subscribe/unsubscribe in the middle of a dispatch.
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*/
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function ensureCanMutateNextListeners() {
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if (nextListeners === currentListeners) {
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nextListeners = currentListeners.slice();
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}
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}
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/**
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* Reads the state tree managed by the store.
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*
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* @returns {any} The current state tree of your application.
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*/
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function getState() {
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if (isDispatching) {
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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.');
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}
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return currentState;
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}
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/**
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* Adds a change listener. It will be called any time an action is dispatched,
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* and some part of the state tree may potentially have changed. You may then
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* call `getState()` to read the current state tree inside the callback.
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*
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* You may call `dispatch()` from a change listener, with the following
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* caveats:
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*
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* 1. The subscriptions are snapshotted just before every `dispatch()` call.
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* If you subscribe or unsubscribe while the listeners are being invoked, this
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* will not have any effect on the `dispatch()` that is currently in progress.
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* However, the next `dispatch()` call, whether nested or not, will use a more
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* recent snapshot of the subscription list.
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*
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* 2. The listener should not expect to see all state changes, as the state
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* might have been updated multiple times during a nested `dispatch()` before
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* the listener is called. It is, however, guaranteed that all subscribers
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* registered before the `dispatch()` started will be called with the latest
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* state by the time it exits.
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*
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* @param {Function} listener A callback to be invoked on every dispatch.
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* @returns {Function} A function to remove this change listener.
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*/
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function subscribe(listener) {
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if (typeof listener !== 'function') {
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throw new Error('Expected the listener to be a function.');
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}
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if (isDispatching) {
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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.');
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}
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var isSubscribed = true;
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ensureCanMutateNextListeners();
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nextListeners.push(listener);
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return function unsubscribe() {
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if (!isSubscribed) {
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return;
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}
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if (isDispatching) {
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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.');
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}
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isSubscribed = false;
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ensureCanMutateNextListeners();
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var index = nextListeners.indexOf(listener);
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nextListeners.splice(index, 1);
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currentListeners = null;
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};
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}
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/**
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* Dispatches an action. It is the only way to trigger a state change.
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*
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* The `reducer` function, used to create the store, will be called with the
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* current state tree and the given `action`. Its return value will
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* be considered the **next** state of the tree, and the change listeners
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* will be notified.
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*
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* The base implementation only supports plain object actions. If you want to
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* dispatch a Promise, an Observable, a thunk, or something else, you need to
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* wrap your store creating function into the corresponding middleware. For
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* example, see the documentation for the `redux-thunk` package. Even the
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* middleware will eventually dispatch plain object actions using this method.
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*
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* @param {Object} action A plain object representing “what changed”. It is
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* a good idea to keep actions serializable so you can record and replay user
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* sessions, or use the time travelling `redux-devtools`. An action must have
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* a `type` property which may not be `undefined`. It is a good idea to use
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* string constants for action types.
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*
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* @returns {Object} For convenience, the same action object you dispatched.
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*
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* Note that, if you use a custom middleware, it may wrap `dispatch()` to
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* return something else (for example, a Promise you can await).
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*/
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function dispatch(action) {
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if (!isPlainObject(action)) {
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throw new Error('Actions must be plain objects. ' + 'Use custom middleware for async actions.');
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}
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if (typeof action.type === 'undefined') {
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throw new Error('Actions may not have an undefined "type" property. ' + 'Have you misspelled a constant?');
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}
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if (isDispatching) {
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throw new Error('Reducers may not dispatch actions.');
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}
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try {
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isDispatching = true;
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currentState = currentReducer(currentState, action);
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} finally {
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isDispatching = false;
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}
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var listeners = currentListeners = nextListeners;
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for (var i = 0; i < listeners.length; i++) {
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var listener = listeners[i];
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listener();
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}
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return action;
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}
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/**
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* Replaces the reducer currently used by the store to calculate the state.
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*
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* You might need this if your app implements code splitting and you want to
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* load some of the reducers dynamically. You might also need this if you
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* implement a hot reloading mechanism for Redux.
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*
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* @param {Function} nextReducer The reducer for the store to use instead.
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* @returns {void}
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*/
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function replaceReducer(nextReducer) {
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if (typeof nextReducer !== 'function') {
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throw new Error('Expected the nextReducer to be a function.');
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}
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currentReducer = nextReducer; // This action has a similiar effect to ActionTypes.INIT.
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// Any reducers that existed in both the new and old rootReducer
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// will receive the previous state. This effectively populates
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// the new state tree with any relevant data from the old one.
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dispatch({
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type: ActionTypes.REPLACE
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});
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}
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/**
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* Interoperability point for observable/reactive libraries.
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* @returns {observable} A minimal observable of state changes.
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* For more information, see the observable proposal:
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* https://github.com/tc39/proposal-observable
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*/
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function observable() {
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var _ref;
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var outerSubscribe = subscribe;
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return _ref = {
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/**
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* The minimal observable subscription method.
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* @param {Object} observer Any object that can be used as an observer.
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* The observer object should have a `next` method.
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* @returns {subscription} An object with an `unsubscribe` method that can
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* be used to unsubscribe the observable from the store, and prevent further
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* emission of values from the observable.
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*/
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subscribe: function subscribe(observer) {
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if (typeof observer !== 'object' || observer === null) {
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throw new TypeError('Expected the observer to be an object.');
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}
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function observeState() {
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if (observer.next) {
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observer.next(getState());
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}
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}
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observeState();
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var unsubscribe = outerSubscribe(observeState);
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return {
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unsubscribe: unsubscribe
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};
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}
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}, _ref[$$observable] = function () {
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return this;
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}, _ref;
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} // When a store is created, an "INIT" action is dispatched so that every
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// reducer returns their initial state. This effectively populates
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// the initial state tree.
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dispatch({
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type: ActionTypes.INIT
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});
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return _ref2 = {
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dispatch: dispatch,
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subscribe: subscribe,
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getState: getState,
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replaceReducer: replaceReducer
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}, _ref2[$$observable] = observable, _ref2;
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}
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/**
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* Prints a warning in the console if it exists.
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*
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* @param {String} message The warning message.
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* @returns {void}
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*/
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function warning(message) {
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/* eslint-disable no-console */
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if (typeof console !== 'undefined' && typeof console.error === 'function') {
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console.error(message);
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}
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/* eslint-enable no-console */
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try {
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// This error was thrown as a convenience so that if you enable
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// "break on all exceptions" in your console,
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// it would pause the execution at this line.
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throw new Error(message);
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} catch (e) {} // eslint-disable-line no-empty
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}
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function getUndefinedStateErrorMessage(key, action) {
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var actionType = action && action.type;
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var actionDescription = actionType && "action \"" + String(actionType) + "\"" || 'an action';
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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.";
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}
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function getUnexpectedStateShapeWarningMessage(inputState, reducers, action, unexpectedKeyCache) {
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var reducerKeys = Object.keys(reducers);
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var argumentName = action && action.type === ActionTypes.INIT ? 'preloadedState argument passed to createStore' : 'previous state received by the reducer';
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if (reducerKeys.length === 0) {
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return 'Store does not have a valid reducer. Make sure the argument passed ' + 'to combineReducers is an object whose values are reducers.';
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}
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if (!isPlainObject(inputState)) {
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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('", "') + "\"");
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}
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var unexpectedKeys = Object.keys(inputState).filter(function (key) {
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return !reducers.hasOwnProperty(key) && !unexpectedKeyCache[key];
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});
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unexpectedKeys.forEach(function (key) {
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unexpectedKeyCache[key] = true;
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});
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if (action && action.type === ActionTypes.REPLACE) return;
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if (unexpectedKeys.length > 0) {
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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.");
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}
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}
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function assertReducerShape(reducers) {
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Object.keys(reducers).forEach(function (key) {
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var reducer = reducers[key];
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var initialState = reducer(undefined, {
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type: ActionTypes.INIT
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});
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if (typeof initialState === 'undefined') {
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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.");
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}
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if (typeof reducer(undefined, {
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type: ActionTypes.PROBE_UNKNOWN_ACTION()
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}) === 'undefined') {
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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.");
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}
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});
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}
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/**
|
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* Turns an object whose values are different reducer functions, into a single
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* reducer function. It will call every child reducer, and gather their results
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* into a single state object, whose keys correspond to the keys of the passed
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* reducer functions.
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*
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* @param {Object} reducers An object whose values correspond to different
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* reducer functions that need to be combined into one. One handy way to obtain
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* it is to use ES6 `import * as reducers` syntax. The reducers may never return
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* undefined for any action. Instead, they should return their initial state
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* if the state passed to them was undefined, and the current state for any
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* unrecognized action.
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*
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* @returns {Function} A reducer function that invokes every reducer inside the
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* passed object, and builds a state object with the same shape.
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*/
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405
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function combineReducers(reducers) {
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var reducerKeys = Object.keys(reducers);
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var finalReducers = {};
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for (var i = 0; i < reducerKeys.length; i++) {
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var key = reducerKeys[i];
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if (process.env.NODE_ENV !== 'production') {
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if (typeof reducers[key] === 'undefined') {
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warning("No reducer provided for key \"" + key + "\"");
|
416
|
}
|
417
|
}
|
418
|
|
419
|
if (typeof reducers[key] === 'function') {
|
420
|
finalReducers[key] = reducers[key];
|
421
|
}
|
422
|
}
|
423
|
|
424
|
var finalReducerKeys = Object.keys(finalReducers); // This is used to make sure we don't warn about the same
|
425
|
// keys multiple times.
|
426
|
|
427
|
var unexpectedKeyCache;
|
428
|
|
429
|
if (process.env.NODE_ENV !== 'production') {
|
430
|
unexpectedKeyCache = {};
|
431
|
}
|
432
|
|
433
|
var shapeAssertionError;
|
434
|
|
435
|
try {
|
436
|
assertReducerShape(finalReducers);
|
437
|
} catch (e) {
|
438
|
shapeAssertionError = e;
|
439
|
}
|
440
|
|
441
|
return function combination(state, action) {
|
442
|
if (state === void 0) {
|
443
|
state = {};
|
444
|
}
|
445
|
|
446
|
if (shapeAssertionError) {
|
447
|
throw shapeAssertionError;
|
448
|
}
|
449
|
|
450
|
if (process.env.NODE_ENV !== 'production') {
|
451
|
var warningMessage = getUnexpectedStateShapeWarningMessage(state, finalReducers, action, unexpectedKeyCache);
|
452
|
|
453
|
if (warningMessage) {
|
454
|
warning(warningMessage);
|
455
|
}
|
456
|
}
|
457
|
|
458
|
var hasChanged = false;
|
459
|
var nextState = {};
|
460
|
|
461
|
for (var _i = 0; _i < finalReducerKeys.length; _i++) {
|
462
|
var _key = finalReducerKeys[_i];
|
463
|
var reducer = finalReducers[_key];
|
464
|
var previousStateForKey = state[_key];
|
465
|
var nextStateForKey = reducer(previousStateForKey, action);
|
466
|
|
467
|
if (typeof nextStateForKey === 'undefined') {
|
468
|
var errorMessage = getUndefinedStateErrorMessage(_key, action);
|
469
|
throw new Error(errorMessage);
|
470
|
}
|
471
|
|
472
|
nextState[_key] = nextStateForKey;
|
473
|
hasChanged = hasChanged || nextStateForKey !== previousStateForKey;
|
474
|
}
|
475
|
|
476
|
hasChanged = hasChanged || finalReducerKeys.length !== Object.keys(state).length;
|
477
|
return hasChanged ? nextState : state;
|
478
|
};
|
479
|
}
|
480
|
|
481
|
function bindActionCreator(actionCreator, dispatch) {
|
482
|
return function () {
|
483
|
return dispatch(actionCreator.apply(this, arguments));
|
484
|
};
|
485
|
}
|
486
|
/**
|
487
|
* Turns an object whose values are action creators, into an object with the
|
488
|
* same keys, but with every function wrapped into a `dispatch` call so they
|
489
|
* may be invoked directly. This is just a convenience method, as you can call
|
490
|
* `store.dispatch(MyActionCreators.doSomething())` yourself just fine.
|
491
|
*
|
492
|
* For convenience, you can also pass an action creator as the first argument,
|
493
|
* and get a dispatch wrapped function in return.
|
494
|
*
|
495
|
* @param {Function|Object} actionCreators An object whose values are action
|
496
|
* creator functions. One handy way to obtain it is to use ES6 `import * as`
|
497
|
* syntax. You may also pass a single function.
|
498
|
*
|
499
|
* @param {Function} dispatch The `dispatch` function available on your Redux
|
500
|
* store.
|
501
|
*
|
502
|
* @returns {Function|Object} The object mimicking the original object, but with
|
503
|
* every action creator wrapped into the `dispatch` call. If you passed a
|
504
|
* function as `actionCreators`, the return value will also be a single
|
505
|
* function.
|
506
|
*/
|
507
|
|
508
|
|
509
|
function bindActionCreators(actionCreators, dispatch) {
|
510
|
if (typeof actionCreators === 'function') {
|
511
|
return bindActionCreator(actionCreators, dispatch);
|
512
|
}
|
513
|
|
514
|
if (typeof actionCreators !== 'object' || actionCreators === null) {
|
515
|
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\"?");
|
516
|
}
|
517
|
|
518
|
var boundActionCreators = {};
|
519
|
|
520
|
for (var key in actionCreators) {
|
521
|
var actionCreator = actionCreators[key];
|
522
|
|
523
|
if (typeof actionCreator === 'function') {
|
524
|
boundActionCreators[key] = bindActionCreator(actionCreator, dispatch);
|
525
|
}
|
526
|
}
|
527
|
|
528
|
return boundActionCreators;
|
529
|
}
|
530
|
|
531
|
function _defineProperty(obj, key, value) {
|
532
|
if (key in obj) {
|
533
|
Object.defineProperty(obj, key, {
|
534
|
value: value,
|
535
|
enumerable: true,
|
536
|
configurable: true,
|
537
|
writable: true
|
538
|
});
|
539
|
} else {
|
540
|
obj[key] = value;
|
541
|
}
|
542
|
|
543
|
return obj;
|
544
|
}
|
545
|
|
546
|
function ownKeys(object, enumerableOnly) {
|
547
|
var keys = Object.keys(object);
|
548
|
|
549
|
if (Object.getOwnPropertySymbols) {
|
550
|
keys.push.apply(keys, Object.getOwnPropertySymbols(object));
|
551
|
}
|
552
|
|
553
|
if (enumerableOnly) keys = keys.filter(function (sym) {
|
554
|
return Object.getOwnPropertyDescriptor(object, sym).enumerable;
|
555
|
});
|
556
|
return keys;
|
557
|
}
|
558
|
|
559
|
function _objectSpread2(target) {
|
560
|
for (var i = 1; i < arguments.length; i++) {
|
561
|
var source = arguments[i] != null ? arguments[i] : {};
|
562
|
|
563
|
if (i % 2) {
|
564
|
ownKeys(source, true).forEach(function (key) {
|
565
|
_defineProperty(target, key, source[key]);
|
566
|
});
|
567
|
} else if (Object.getOwnPropertyDescriptors) {
|
568
|
Object.defineProperties(target, Object.getOwnPropertyDescriptors(source));
|
569
|
} else {
|
570
|
ownKeys(source).forEach(function (key) {
|
571
|
Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key));
|
572
|
});
|
573
|
}
|
574
|
}
|
575
|
|
576
|
return target;
|
577
|
}
|
578
|
|
579
|
/**
|
580
|
* Composes single-argument functions from right to left. The rightmost
|
581
|
* function can take multiple arguments as it provides the signature for
|
582
|
* the resulting composite function.
|
583
|
*
|
584
|
* @param {...Function} funcs The functions to compose.
|
585
|
* @returns {Function} A function obtained by composing the argument functions
|
586
|
* from right to left. For example, compose(f, g, h) is identical to doing
|
587
|
* (...args) => f(g(h(...args))).
|
588
|
*/
|
589
|
function compose() {
|
590
|
for (var _len = arguments.length, funcs = new Array(_len), _key = 0; _key < _len; _key++) {
|
591
|
funcs[_key] = arguments[_key];
|
592
|
}
|
593
|
|
594
|
if (funcs.length === 0) {
|
595
|
return function (arg) {
|
596
|
return arg;
|
597
|
};
|
598
|
}
|
599
|
|
600
|
if (funcs.length === 1) {
|
601
|
return funcs[0];
|
602
|
}
|
603
|
|
604
|
return funcs.reduce(function (a, b) {
|
605
|
return function () {
|
606
|
return a(b.apply(void 0, arguments));
|
607
|
};
|
608
|
});
|
609
|
}
|
610
|
|
611
|
/**
|
612
|
* Creates a store enhancer that applies middleware to the dispatch method
|
613
|
* of the Redux store. This is handy for a variety of tasks, such as expressing
|
614
|
* asynchronous actions in a concise manner, or logging every action payload.
|
615
|
*
|
616
|
* See `redux-thunk` package as an example of the Redux middleware.
|
617
|
*
|
618
|
* Because middleware is potentially asynchronous, this should be the first
|
619
|
* store enhancer in the composition chain.
|
620
|
*
|
621
|
* Note that each middleware will be given the `dispatch` and `getState` functions
|
622
|
* as named arguments.
|
623
|
*
|
624
|
* @param {...Function} middlewares The middleware chain to be applied.
|
625
|
* @returns {Function} A store enhancer applying the middleware.
|
626
|
*/
|
627
|
|
628
|
function applyMiddleware() {
|
629
|
for (var _len = arguments.length, middlewares = new Array(_len), _key = 0; _key < _len; _key++) {
|
630
|
middlewares[_key] = arguments[_key];
|
631
|
}
|
632
|
|
633
|
return function (createStore) {
|
634
|
return function () {
|
635
|
var store = createStore.apply(void 0, arguments);
|
636
|
|
637
|
var _dispatch = function dispatch() {
|
638
|
throw new Error('Dispatching while constructing your middleware is not allowed. ' + 'Other middleware would not be applied to this dispatch.');
|
639
|
};
|
640
|
|
641
|
var middlewareAPI = {
|
642
|
getState: store.getState,
|
643
|
dispatch: function dispatch() {
|
644
|
return _dispatch.apply(void 0, arguments);
|
645
|
}
|
646
|
};
|
647
|
var chain = middlewares.map(function (middleware) {
|
648
|
return middleware(middlewareAPI);
|
649
|
});
|
650
|
_dispatch = compose.apply(void 0, chain)(store.dispatch);
|
651
|
return _objectSpread2({}, store, {
|
652
|
dispatch: _dispatch
|
653
|
});
|
654
|
};
|
655
|
};
|
656
|
}
|
657
|
|
658
|
/*
|
659
|
* This is a dummy function to check if the function name has been altered by minification.
|
660
|
* If the function has been minified and NODE_ENV !== 'production', warn the user.
|
661
|
*/
|
662
|
|
663
|
function isCrushed() {}
|
664
|
|
665
|
if (process.env.NODE_ENV !== 'production' && typeof isCrushed.name === 'string' && isCrushed.name !== 'isCrushed') {
|
666
|
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.');
|
667
|
}
|
668
|
|
669
|
exports.__DO_NOT_USE__ActionTypes = ActionTypes;
|
670
|
exports.applyMiddleware = applyMiddleware;
|
671
|
exports.bindActionCreators = bindActionCreators;
|
672
|
exports.combineReducers = combineReducers;
|
673
|
exports.compose = compose;
|
674
|
exports.createStore = createStore;
|