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Diffstat (limited to 'browser/components/newtab/vendor/Redux.jsm')
| -rw-r--r-- | browser/components/newtab/vendor/Redux.jsm | 690 |
1 files changed, 690 insertions, 0 deletions
diff --git a/browser/components/newtab/vendor/Redux.jsm b/browser/components/newtab/vendor/Redux.jsm new file mode 100644 index 0000000000..5bad35fe81 --- /dev/null +++ b/browser/components/newtab/vendor/Redux.jsm @@ -0,0 +1,690 @@ +/** + * Redux v.4.0.1 + * + * This file was imported from https://unpkg.com/redux@4.0.1/dist/redux.js + * and reformatted as a Javascript Core Module + */ +var EXPORTED_SYMBOLS = ["redux"]; +var self = this; + +this.redux = (function (global, factory) { + var exports = {}; + factory(exports); + return exports; + }(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 */ + + // This is edited to prevent Function being present in this code. + // See https://bugzilla.mozilla.org/show_bug.cgi?id=1486375 + var root; + + if (typeof self !== 'undefined') { + root = self; + } else if (typeof global !== 'undefined') { + root = global; + } + + 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; + + 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#subscribe(listener) 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#subscribe(listener) for more details.'); + } + + isSubscribed = false; + ensureCanMutateNextListeners(); + var index = nextListeners.indexOf(listener); + nextListeners.splice(index, 1); + }; + } + /** + * 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; + 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); + 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; + } + + 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 a single function as the first argument, + * and get a 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 keys = Object.keys(actionCreators); + var boundActionCreators = {}; + + for (var i = 0; i < keys.length; i++) { + var key = keys[i]; + 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 _objectSpread(target) { + for (var i = 1; i < arguments.length; i++) { + var source = arguments[i] != null ? arguments[i] : {}; + var ownKeys = Object.keys(source); + + if (typeof Object.getOwnPropertySymbols === 'function') { + ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { + return Object.getOwnPropertyDescriptor(source, sym).enumerable; + })); + } + + ownKeys.forEach(function (key) { + _defineProperty(target, key, 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 _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 (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.createStore = createStore; + exports.combineReducers = combineReducers; + exports.bindActionCreators = bindActionCreators; + exports.applyMiddleware = applyMiddleware; + exports.compose = compose; + exports.__DO_NOT_USE__ActionTypes = ActionTypes; + + Object.defineProperty(exports, '__esModule', { value: true }); + + }))); |