import _objectSpread from '@babel/runtime/helpers/esm/objectSpread2'; /** * Adapted from React: https://github.com/facebook/react/blob/master/packages/shared/formatProdErrorMessage.js * * Do not require this module directly! Use normal throw error calls. These messages will be replaced with error codes * during build. * @param {number} code */ function formatProdErrorMessage(code) { return "Minified Redux error #" + code + "; visit https://redux.js.org/Errors?code=" + code + " for the full message or " + 'use the non-minified dev environment for full errors. '; } // Inlined version of the `symbol-observable` polyfill var $$observable = (function () { return typeof Symbol === 'function' && Symbol.observable || '@@observable'; })(); /** * 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; } // Inlined / shortened version of `kindOf` from https://github.com/jonschlinkert/kind-of function miniKindOf(val) { if (val === void 0) return 'undefined'; if (val === null) return 'null'; var type = typeof val; switch (type) { case 'boolean': case 'string': case 'number': case 'symbol': case 'function': { return type; } } if (Array.isArray(val)) return 'array'; if (isDate(val)) return 'date'; if (isError(val)) return 'error'; var constructorName = ctorName(val); switch (constructorName) { case 'Symbol': case 'Promise': case 'WeakMap': case 'WeakSet': case 'Map': case 'Set': return constructorName; } // other return type.slice(8, -1).toLowerCase().replace(/\s/g, ''); } function ctorName(val) { return typeof val.constructor === 'function' ? val.constructor.name : null; } function isError(val) { return val instanceof Error || typeof val.message === 'string' && val.constructor && typeof val.constructor.stackTraceLimit === 'number'; } function isDate(val) { if (val instanceof Date) return true; return typeof val.toDateString === 'function' && typeof val.getDate === 'function' && typeof val.setDate === 'function'; } function kindOf(val) { var typeOfVal = typeof val; if (process.env.NODE_ENV !== 'production') { typeOfVal = miniKindOf(val); } return typeOfVal; } /** * @deprecated * * **We recommend using the `configureStore` method * of the `@reduxjs/toolkit` package**, which replaces `createStore`. * * Redux Toolkit is our recommended approach for writing Redux logic today, * including store setup, reducers, data fetching, and more. * * **For more details, please read this Redux docs page:** * **https://redux.js.org/introduction/why-rtk-is-redux-today** * * `configureStore` from Redux Toolkit is an improved version of `createStore` that * simplifies setup and helps avoid common bugs. * * You should not be using the `redux` core package by itself today, except for learning purposes. * The `createStore` method from the core `redux` package will not be removed, but we encourage * all users to migrate to using Redux Toolkit for all Redux code. * * If you want to use `createStore` without this visual deprecation warning, use * the `legacy_createStore` import instead: * * `import { legacy_createStore as createStore} from 'redux'` * */ function createStore(reducer, preloadedState, enhancer) { var _ref2; if (typeof preloadedState === 'function' && typeof enhancer === 'function' || typeof enhancer === 'function' && typeof arguments[3] === 'function') { throw new Error(process.env.NODE_ENV === "production" ? formatProdErrorMessage(0) : 'It looks like you are passing several store enhancers to ' + 'createStore(). This is not supported. Instead, compose them ' + 'together to a single function. See https://redux.js.org/tutorials/fundamentals/part-4-store#creating-a-store-with-enhancers for an example.'); } if (typeof preloadedState === 'function' && typeof enhancer === 'undefined') { enhancer = preloadedState; preloadedState = undefined; } if (typeof enhancer !== 'undefined') { if (typeof enhancer !== 'function') { throw new Error(process.env.NODE_ENV === "production" ? formatProdErrorMessage(1) : "Expected the enhancer to be a function. Instead, received: '" + kindOf(enhancer) + "'"); } return enhancer(createStore)(reducer, preloadedState); } if (typeof reducer !== 'function') { throw new Error(process.env.NODE_ENV === "production" ? formatProdErrorMessage(2) : "Expected the root reducer to be a function. Instead, received: '" + kindOf(reducer) + "'"); } 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(process.env.NODE_ENV === "production" ? formatProdErrorMessage(3) : '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(process.env.NODE_ENV === "production" ? formatProdErrorMessage(4) : "Expected the listener to be a function. Instead, received: '" + kindOf(listener) + "'"); } if (isDispatching) { throw new Error(process.env.NODE_ENV === "production" ? formatProdErrorMessage(5) : '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/store#subscribelistener for more details.'); } var isSubscribed = true; ensureCanMutateNextListeners(); nextListeners.push(listener); return function unsubscribe() { if (!isSubscribed) { return; } if (isDispatching) { throw new Error(process.env.NODE_ENV === "production" ? formatProdErrorMessage(6) : 'You may not unsubscribe from a store listener while the reducer is executing. ' + 'See https://redux.js.org/api/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(process.env.NODE_ENV === "production" ? formatProdErrorMessage(7) : "Actions must be plain objects. Instead, the actual type was: '" + kindOf(action) + "'. You may need to add middleware to your store setup to handle dispatching other values, such as 'redux-thunk' to handle dispatching functions. See https://redux.js.org/tutorials/fundamentals/part-4-store#middleware and https://redux.js.org/tutorials/fundamentals/part-6-async-logic#using-the-redux-thunk-middleware for examples."); } if (typeof action.type === 'undefined') { throw new Error(process.env.NODE_ENV === "production" ? formatProdErrorMessage(8) : 'Actions may not have an undefined "type" property. You may have misspelled an action type string constant.'); } if (isDispatching) { throw new Error(process.env.NODE_ENV === "production" ? formatProdErrorMessage(9) : '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(process.env.NODE_ENV === "production" ? formatProdErrorMessage(10) : "Expected the nextReducer to be a function. Instead, received: '" + kindOf(nextReducer)); } 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 Error(process.env.NODE_ENV === "production" ? formatProdErrorMessage(11) : "Expected the observer to be an object. Instead, received: '" + kindOf(observer) + "'"); } function observeState() { if (observer.next) { observer.next(getState()); } } observeState(); var unsubscribe = outerSubscribe(observeState); return { unsubscribe: unsubscribe }; } }, _ref[$$observable] = 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[$$observable] = observable, _ref2; } /** * Creates a Redux store that holds the state tree. * * **We recommend using `configureStore` from the * `@reduxjs/toolkit` package**, which replaces `createStore`: * **https://redux.js.org/introduction/why-rtk-is-redux-today** * * 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. */ var legacy_createStore = createStore; /** * 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 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 \"" + kindOf(inputState) + "\". 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(process.env.NODE_ENV === "production" ? formatProdErrorMessage(12) : "The slice reducer for key \"" + 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(process.env.NODE_ENV === "production" ? formatProdErrorMessage(13) : "The slice reducer for key \"" + 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 (process.env.NODE_ENV !== 'production') { 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; if (process.env.NODE_ENV !== 'production') { unexpectedKeyCache = {}; } var shapeAssertionError; try { assertReducerShape(finalReducers); } catch (e) { shapeAssertionError = e; } return function combination(state, action) { if (state === void 0) { state = {}; } if (shapeAssertionError) { throw shapeAssertionError; } if (process.env.NODE_ENV !== 'production') { 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 actionType = action && action.type; throw new Error(process.env.NODE_ENV === "production" ? formatProdErrorMessage(14) : "When called with an action of type " + (actionType ? "\"" + String(actionType) + "\"" : '(unknown type)') + ", the slice reducer for key \"" + _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."); } 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(process.env.NODE_ENV === "production" ? formatProdErrorMessage(16) : "bindActionCreators expected an object or a function, but instead received: '" + kindOf(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; } /** * 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(process.env.NODE_ENV === "production" ? formatProdErrorMessage(15) : '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 _objectSpread(_objectSpread({}, 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 (process.env.NODE_ENV !== 'production' && 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.'); } export { ActionTypes as __DO_NOT_USE__ActionTypes, applyMiddleware, bindActionCreators, combineReducers, compose, createStore, legacy_createStore };