text: /**
   * Redux is by Dan Abramov; I'm using it under the MIT license, reproduced below.
   * 
   * The MIT License (MIT)
   *
   * Copyright (c) 2015-present Dan Abramov
   * 
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   * 
   * The above copyright notice and this permission notice shall be included in all
   * copies or substantial portions of the Software.
   * 
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   */
  (function (global, factory) {
  	typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
  	typeof define === 'function' && define.amd ? define(['exports'], factory) :
  	(factory((global.Redux = global.Redux || {})));
  }(this, (function (exports) { 'use strict';
  
  /** Detect free variable `global` from Node.js. */
  var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;
  
  /** Detect free variable `self`. */
  var freeSelf = typeof self == 'object' && self && self.Object === Object && self;
  
  /** Used as a reference to the global object. */
  var root = freeGlobal || freeSelf || Function('return this')();
  
  /** Built-in value references. */
  var Symbol = root.Symbol;
  
  /** Used for built-in method references. */
  var objectProto$1 = Object.prototype;
  
  /** Used to check objects for own properties. */
  var hasOwnProperty$1 = objectProto$1.hasOwnProperty;
  
  /**
   * Used to resolve the
   * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
   * of values.
   */
  var nativeObjectToString = objectProto$1.toString;
  
  /** Built-in value references. */
  var symToStringTag$1 = Symbol ? Symbol.toStringTag : undefined;
  
  /**
   * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.
   *
   * @private
   * @param {*} value The value to query.
   * @returns {string} Returns the raw `toStringTag`.
   */
  function getRawTag(value) {
    var isOwn = hasOwnProperty$1.call(value, symToStringTag$1),
        tag = value[symToStringTag$1];
  
    try {
      value[symToStringTag$1] = undefined;
      var unmasked = true;
    } catch (e) {}
  
    var result = nativeObjectToString.call(value);
    if (unmasked) {
      if (isOwn) {
        value[symToStringTag$1] = tag;
      } else {
        delete value[symToStringTag$1];
      }
    }
    return result;
  }
  
  /** Used for built-in method references. */
  var objectProto$2 = Object.prototype;
  
  /**
   * Used to resolve the
   * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
   * of values.
   */
  var nativeObjectToString$1 = objectProto$2.toString;
  
  /**
   * Converts `value` to a string using `Object.prototype.toString`.
   *
   * @private
   * @param {*} value The value to convert.
   * @returns {string} Returns the converted string.
   */
  function objectToString(value) {
    return nativeObjectToString$1.call(value);
  }
  
  /** `Object#toString` result references. */
  var nullTag = '[object Null]';
  var undefinedTag = '[object Undefined]';
  
  /** Built-in value references. */
  var symToStringTag = Symbol ? Symbol.toStringTag : undefined;
  
  /**
   * The base implementation of `getTag` without fallbacks for buggy environments.
   *
   * @private
   * @param {*} value The value to query.
   * @returns {string} Returns the `toStringTag`.
   */
  function baseGetTag(value) {
    if (value == null) {
      return value === undefined ? undefinedTag : nullTag;
    }
    return (symToStringTag && symToStringTag in Object(value))
      ? getRawTag(value)
      : objectToString(value);
  }
  
  /**
   * Creates a unary function that invokes `func` with its argument transformed.
   *
   * @private
   * @param {Function} func The function to wrap.
   * @param {Function} transform The argument transform.
   * @returns {Function} Returns the new function.
   */
  function overArg(func, transform) {
    return function(arg) {
      return func(transform(arg));
    };
  }
  
  /** Built-in value references. */
  var getPrototype = overArg(Object.getPrototypeOf, Object);
  
  /**
   * Checks if `value` is object-like. A value is object-like if it's not `null`
   * and has a `typeof` result of "object".
   *
   * @static
   * @memberOf _
   * @since 4.0.0
   * @category Lang
   * @param {*} value The value to check.
   * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
   * @example
   *
   * _.isObjectLike({});
   * // => true
   *
   * _.isObjectLike([1, 2, 3]);
   * // => true
   *
   * _.isObjectLike(_.noop);
   * // => false
   *
   * _.isObjectLike(null);
   * // => false
   */
  function isObjectLike(value) {
    return value != null && typeof value == 'object';
  }
  
  /** `Object#toString` result references. */
  var objectTag = '[object Object]';
  
  /** Used for built-in method references. */
  var funcProto = Function.prototype;
  var objectProto = Object.prototype;
  
  /** Used to resolve the decompiled source of functions. */
  var funcToString = funcProto.toString;
  
  /** Used to check objects for own properties. */
  var hasOwnProperty = objectProto.hasOwnProperty;
  
  /** Used to infer the `Object` constructor. */
  var objectCtorString = funcToString.call(Object);
  
  /**
   * Checks if `value` is a plain object, that is, an object created by the
   * `Object` constructor or one with a `[[Prototype]]` of `null`.
   *
   * @static
   * @memberOf _
   * @since 0.8.0
   * @category Lang
   * @param {*} value The value to check.
   * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.
   * @example
   *
   * function Foo() {
   *   this.a = 1;
   * }
   *
   * _.isPlainObject(new Foo);
   * // => false
   *
   * _.isPlainObject([1, 2, 3]);
   * // => false
   *
   * _.isPlainObject({ 'x': 0, 'y': 0 });
   * // => true
   *
   * _.isPlainObject(Object.create(null));
   * // => true
   */
  function isPlainObject(value) {
    if (!isObjectLike(value) || baseGetTag(value) != objectTag) {
      return false;
    }
    var proto = getPrototype(value);
    if (proto === null) {
      return true;
    }
    var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;
    return typeof Ctor == 'function' && Ctor instanceof Ctor &&
      funcToString.call(Ctor) == objectCtorString;
  }
  
  function symbolObservablePonyfill(root) {
  	var result;
  	var Symbol = root.Symbol;
  
  	if (typeof Symbol === 'function') {
  		if (Symbol.observable) {
  			result = Symbol.observable;
  		} else {
  			result = Symbol('observable');
  			Symbol.observable = result;
  		}
  	} else {
  		result = '@@observable';
  	}
  
  	return result;
  }
  
  /* global window */
  var root$2;
  
  if (typeof self !== 'undefined') {
    root$2 = self;
  } else if (typeof window !== 'undefined') {
    root$2 = window;
  } else if (typeof global !== 'undefined') {
    root$2 = global;
  } else if (typeof module !== 'undefined') {
    root$2 = module;
  } else {
    root$2 = Function('return this')();
  }
  
  var result = symbolObservablePonyfill(root$2);
  
  /**
   * 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'
  
    /**
     * 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 === '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() {
      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 listener to be a function.');
      }
  
      var isSubscribed = true;
  
      ensureCanMutateNextListeners();
      nextListeners.push(listener);
  
      return function unsubscribe() {
        if (!isSubscribed) {
          return;
        }
  
        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.INIT });
    }
  
    /**
     * 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') {
            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);
      /* eslint-disable no-empty */
    } catch (e) {}
    /* eslint-enable no-empty */
  }
  
  function getUndefinedStateErrorMessage(key, action) {
    var actionType = action && action.type;
    var actionName = actionType && '"' + actionType.toString() + '"' || 'an action';
  
    return 'Given action ' + actionName + ', 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 (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.');
      }
  
      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 ' + 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 = void 0;
    {
      unexpectedKeyCache = {};
    }
  
    var shapeAssertionError = void 0;
    try {
      assertReducerShape(finalReducers);
    } catch (e) {
      shapeAssertionError = e;
    }
  
    return function combination() {
      var state = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
      var action = arguments[1];
  
      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(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) {
      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;
  }
  
  /**
   * 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 = 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(undefined, arguments));
      };
    });
  }
  
  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; };
  
  /**
   * 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, preloadedState, enhancer) {
        var store = createStore(reducer, preloadedState, enhancer);
        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 = compose.apply(undefined, chain)(store.dispatch);
  
        return _extends({}, 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 ("development" !== '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 DefinePlugin for webpack (http://stackoverflow.com/questions/30030031) ' + '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;
  
  Object.defineProperty(exports, '__esModule', { value: true });
  
  })));
  