redux/dist/redux.js

Predictable state container for JavaScript apps

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/* 0 */
/***/ function(module, exports, __webpack_require__) {

	'use strict';

	exports.__esModule = true;

	function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }

	var _createStore = __webpack_require__(2);

	var _createStore2 = _interopRequireDefault(_createStore);

	var _combineReducers = __webpack_require__(7);

	var _combineReducers2 = _interopRequireDefault(_combineReducers);

	var _bindActionCreators = __webpack_require__(6);

	var _bindActionCreators2 = _interopRequireDefault(_bindActionCreators);

	var _applyMiddleware = __webpack_require__(5);

	var _applyMiddleware2 = _interopRequireDefault(_applyMiddleware);

	var _compose = __webpack_require__(1);

	var _compose2 = _interopRequireDefault(_compose);

	/*
	* 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 (isCrushed.name !== 'isCrushed' && ("development") !== 'production') {
	  /*eslint-disable no-console */
	  console.error('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 DefinePlugin for webpack (http://stackoverflow.com/questions/30030031) ' + 'to ensure you have the correct code for your production build.');
	  /*eslint-enable */
	}

	exports.createStore = _createStore2['default'];
	exports.combineReducers = _combineReducers2['default'];
	exports.bindActionCreators = _bindActionCreators2['default'];
	exports.applyMiddleware = _applyMiddleware2['default'];
	exports.compose = _compose2['default'];

/***/ },
/* 1 */
/***/ function(module, exports) {

	/**
	 * Composes single-argument functions from right to left.
	 *
	 * @param {...Function} funcs The functions to compose.
	 * @returns {Function} A function obtained by composing functions from right to
	 * left. For example, compose(f, g, h) is identical to arg => f(g(h(arg))).
	 */
	"use strict";

	exports.__esModule = true;
	exports["default"] = compose;

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

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

	    var last = funcs[funcs.length - 1];
	    var rest = funcs.slice(0, -1);

	    return rest.reduceRight(function (composed, f) {
	      return f(composed);
	    }, last.apply(undefined, arguments));
	  };
	}

	module.exports = exports["default"];

/***/ },
/* 2 */
/***/ function(module, exports, __webpack_require__) {

	'use strict';

	exports.__esModule = true;
	exports['default'] = createStore;

	function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }

	var _utilsIsPlainObject = __webpack_require__(3);

	var _utilsIsPlainObject2 = _interopRequireDefault(_utilsIsPlainObject);

	/**
	 * 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 ActionTypes = {
	  INIT: '@@redux/INIT'
	};

	exports.ActionTypes = ActionTypes;
	/**
	 * 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} [initialState] 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, initialState, enhancer) {
	  if (typeof initialState === 'function' && typeof enhancer === 'undefined') {
	    enhancer = initialState;
	    initialState = undefined;
	  }

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

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

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

	  var currentReducer = reducer;
	  var currentState = initialState;
	  var listeners = [];
	  var isDispatching = false;

	  /**
	   * Reads the state tree managed by the store.
	   *
	   * @returns {any} The current state tree of your application.
	   */
	  function getState() {
	    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.
	   * Note, the listener should not expect to see all states changes, as the
	   * state might have been updated multiple times before the listener is
	   * notified.
	   *
	   * @param {Function} listener A callback to be invoked on every dispatch.
	   * @returns {Function} A function to remove this change listener.
	   */
	  function subscribe(listener) {
	    listeners.push(listener);
	    var isSubscribed = true;

	    return function unsubscribe() {
	      if (!isSubscribed) {
	        return;
	      }

	      isSubscribed = false;
	      var index = listeners.indexOf(listener);
	      listeners.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 (!_utilsIsPlainObject2['default'](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;
	    }

	    listeners.slice().forEach(function (listener) {
	      return 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) {
	    currentReducer = nextReducer;
	    dispatch({ type: ActionTypes.INIT });
	  }

	  // 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 {
	    dispatch: dispatch,
	    subscribe: subscribe,
	    getState: getState,
	    replaceReducer: replaceReducer
	  };
	}

/***/ },
/* 3 */
/***/ function(module, exports) {

	'use strict';

	exports.__esModule = true;
	exports['default'] = isPlainObject;
	var fnToString = function fnToString(fn) {
	  return Function.prototype.toString.call(fn);
	};
	var objStringValue = fnToString(Object);

	/**
	 * @param {any} obj The object to inspect.
	 * @returns {boolean} True if the argument appears to be a plain object.
	 */

	function isPlainObject(obj) {
	  if (!obj || typeof obj !== 'object') {
	    return false;
	  }

	  var proto = typeof obj.constructor === 'function' ? Object.getPrototypeOf(obj) : Object.prototype;

	  if (proto === null) {
	    return true;
	  }

	  var constructor = proto.constructor;

	  return typeof constructor === 'function' && constructor instanceof constructor && fnToString(constructor) === objStringValue;
	}

	module.exports = exports['default'];

/***/ },
/* 4 */
/***/ function(module, exports) {

	/**
	 * Applies a function to every key-value pair inside an object.
	 *
	 * @param {Object} obj The source object.
	 * @param {Function} fn The mapper function that receives the value and the key.
	 * @returns {Object} A new object that contains the mapped values for the keys.
	 */
	"use strict";

	exports.__esModule = true;
	exports["default"] = mapValues;

	function mapValues(obj, fn) {
	  return Object.keys(obj).reduce(function (result, key) {
	    result[key] = fn(obj[key], key);
	    return result;
	  }, {});
	}

	module.exports = exports["default"];

/***/ },
/* 5 */
/***/ function(module, exports, __webpack_require__) {

	'use strict';

	exports.__esModule = true;

	var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };

	exports['default'] = applyMiddleware;

	function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }

	var _compose = __webpack_require__(1);

	var _compose2 = _interopRequireDefault(_compose);

	/**
	 * 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 = Array(_len), _key = 0; _key < _len; _key++) {
	    middlewares[_key] = arguments[_key];
	  }

	  return function (createStore) {
	    return function (reducer, initialState) {
	      var store = createStore(reducer, initialState);
	      var _dispatch = store.dispatch;
	      var chain = [];

	      var middlewareAPI = {
	        getState: store.getState,
	        dispatch: function dispatch(action) {
	          return _dispatch(action);
	        }
	      };
	      chain = middlewares.map(function (middleware) {
	        return middleware(middlewareAPI);
	      });
	      _dispatch = _compose2['default'].apply(undefined, chain)(store.dispatch);

	      return _extends({}, store, {
	        dispatch: _dispatch
	      });
	    };
	  };
	}

	module.exports = exports['default'];

/***/ },
/* 6 */
/***/ function(module, exports, __webpack_require__) {

	'use strict';

	exports.__esModule = true;
	exports['default'] = bindActionCreators;

	function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }

	var _utilsMapValues = __webpack_require__(4);

	var _utilsMapValues2 = _interopRequireDefault(_utilsMapValues);

	function bindActionCreator(actionCreator, dispatch) {
	  return function () {
	    return dispatch(actionCreator.apply(undefined, 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 || actionCreators === undefined) {
	    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"?');
	  }

	  return _utilsMapValues2['default'](actionCreators, function (actionCreator) {
	    return bindActionCreator(actionCreator, dispatch);
	  });
	}

	module.exports = exports['default'];

/***/ },
/* 7 */
/***/ function(module, exports, __webpack_require__) {

	'use strict';

	exports.__esModule = true;
	exports['default'] = combineReducers;

	function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }

	var _createStore = __webpack_require__(2);

	var _utilsIsPlainObject = __webpack_require__(3);

	var _utilsIsPlainObject2 = _interopRequireDefault(_utilsIsPlainObject);

	var _utilsMapValues = __webpack_require__(4);

	var _utilsMapValues2 = _interopRequireDefault(_utilsMapValues);

	var _utilsPick = __webpack_require__(8);

	var _utilsPick2 = _interopRequireDefault(_utilsPick);

	/* eslint-disable no-console */

	function getUndefinedStateErrorMessage(key, action) {
	  var actionType = action && action.type;
	  var actionName = actionType && '"' + actionType.toString() + '"' || 'an action';

	  return 'Reducer "' + key + '" returned undefined handling ' + actionName + '. ' + 'To ignore an action, you must explicitly return the previous state.';
	}

	function getUnexpectedStateShapeWarningMessage(inputState, reducers, action) {
	  var reducerKeys = Object.keys(reducers);
	  var argumentName = action && action.type === _createStore.ActionTypes.INIT ? 'initialState 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 (!_utilsIsPlainObject2['default'](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);
	  });

	  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 assertReducerSanity(reducers) {
	  Object.keys(reducers).forEach(function (key) {
	    var reducer = reducers[key];
	    var initialState = reducer(undefined, { type: _createStore.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.');
	    }

	    var type = '@@redux/PROBE_UNKNOWN_ACTION_' + Math.random().toString(36).substring(7).split('').join('.');
	    if (typeof reducer(undefined, { type: type }) === 'undefined') {
	      throw new Error('Reducer "' + key + '" returned undefined when probed with a random type. ' + ('Don\'t try to handle ' + _createStore.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.');
	    }
	  });
	}

	/**
	 * 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 finalReducers = _utilsPick2['default'](reducers, function (val) {
	    return typeof val === 'function';
	  });
	  var sanityError;

	  try {
	    assertReducerSanity(finalReducers);
	  } catch (e) {
	    sanityError = e;
	  }

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

	    if (sanityError) {
	      throw sanityError;
	    }

	    if (true) {
	      var warningMessage = getUnexpectedStateShapeWarningMessage(state, finalReducers, action);
	      if (warningMessage) {
	        console.error(warningMessage);
	      }
	    }

	    var hasChanged = false;
	    var finalState = _utilsMapValues2['default'](finalReducers, function (reducer, key) {
	      var previousStateForKey = state[key];
	      var nextStateForKey = reducer(previousStateForKey, action);
	      if (typeof nextStateForKey === 'undefined') {
	        var errorMessage = getUndefinedStateErrorMessage(key, action);
	        throw new Error(errorMessage);
	      }
	      hasChanged = hasChanged || nextStateForKey !== previousStateForKey;
	      return nextStateForKey;
	    });

	    return hasChanged ? finalState : state;
	  };
	}

	module.exports = exports['default'];

/***/ },
/* 8 */
/***/ function(module, exports) {

	/**
	 * Picks key-value pairs from an object where values satisfy a predicate.
	 *
	 * @param {Object} obj The object to pick from.
	 * @param {Function} fn The predicate the values must satisfy to be copied.
	 * @returns {Object} The object with the values that satisfied the predicate.
	 */
	"use strict";

	exports.__esModule = true;
	exports["default"] = pick;

	function pick(obj, fn) {
	  return Object.keys(obj).reduce(function (result, key) {
	    if (fn(obj[key])) {
	      result[key] = obj[key];
	    }
	    return result;
	  }, {});
	}

	module.exports = exports["default"];

/***/ }
/******/ ])
});
;