@reduxjs/toolkit/dist/redux-toolkit.umd.js

The official, opinionated, batteries-included toolset for efficient Redux development

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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;

if (typeof self !== 'undefined') {
  root = self;
} else if (typeof window !== 'undefined') {
  root = window;
} else if (typeof global !== 'undefined') {
  root = global;
} else if (typeof module !== 'undefined') {
  root = module;
} else {
  root = Function('return this')();
}

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;
  /**
   * 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('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#subscribelistener 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#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('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; // 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 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); // This is used to make sure we don't warn about the same
  // keys multiple times.

  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;
    }

    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("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 boundActionCreators = {};

  for (var key in actionCreators) {
    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 ownKeys(object, enumerableOnly) {
  var keys = Object.keys(object);

  if (Object.getOwnPropertySymbols) {
    keys.push.apply(keys, Object.getOwnPropertySymbols(object));
  }

  if (enumerableOnly) keys = keys.filter(function (sym) {
    return Object.getOwnPropertyDescriptor(object, sym).enumerable;
  });
  return keys;
}

function _objectSpread2(target) {
  for (var i = 1; i < arguments.length; i++) {
    var source = arguments[i] != null ? arguments[i] : {};

    if (i % 2) {
      ownKeys(source, true).forEach(function (key) {
        _defineProperty(target, key, source[key]);
      });
    } else if (Object.getOwnPropertyDescriptors) {
      Object.defineProperties(target, Object.getOwnPropertyDescriptors(source));
    } else {
      ownKeys(source).forEach(function (key) {
        Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(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 _objectSpread2({}, 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.');
}

function defaultEqualityCheck(a, b) {
  return a === b;
}

function areArgumentsShallowlyEqual(equalityCheck, prev, next) {
  if (prev === null || next === null || prev.length !== next.length) {
    return false;
  }

  // Do this in a for loop (and not a `forEach` or an `every`) so we can determine equality as fast as possible.
  var length = prev.length;
  for (var i = 0; i < length; i++) {
    if (!equalityCheck(prev[i], next[i])) {
      return false;
    }
  }

  return true;
}

function defaultMemoize(func) {
  var equalityCheck = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : defaultEqualityCheck;

  var lastArgs = null;
  var lastResult = null;
  // we reference arguments instead of spreading them for performance reasons
  return function () {
    if (!areArgumentsShallowlyEqual(equalityCheck, lastArgs, arguments)) {
      // apply arguments instead of spreading for performance.
      lastResult = func.apply(null, arguments);
    }

    lastArgs = arguments;
    return lastResult;
  };
}

function getDependencies(funcs) {
  var dependencies = Array.isArray(funcs[0]) ? funcs[0] : funcs;

  if (!dependencies.every(function (dep) {
    return typeof dep === 'function';
  })) {
    var dependencyTypes = dependencies.map(function (dep) {
      return typeof dep;
    }).join(', ');
    throw new Error('Selector creators expect all input-selectors to be functions, ' + ('instead received the following types: [' + dependencyTypes + ']'));
  }

  return dependencies;
}

function createSelectorCreator(memoize) {
  for (var _len = arguments.length, memoizeOptions = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
    memoizeOptions[_key - 1] = arguments[_key];
  }

  return function () {
    for (var _len2 = arguments.length, funcs = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
      funcs[_key2] = arguments[_key2];
    }

    var recomputations = 0;
    var resultFunc = funcs.pop();
    var dependencies = getDependencies(funcs);

    var memoizedResultFunc = memoize.apply(undefined, [function () {
      recomputations++;
      // apply arguments instead of spreading for performance.
      return resultFunc.apply(null, arguments);
    }].concat(memoizeOptions));

    // If a selector is called with the exact same arguments we don't need to traverse our dependencies again.
    var selector = memoize(function () {
      var params = [];
      var length = dependencies.length;

      for (var i = 0; i < length; i++) {
        // apply arguments instead of spreading and mutate a local list of params for performance.
        params.push(dependencies[i].apply(null, arguments));
      }

      // apply arguments instead of spreading for performance.
      return memoizedResultFunc.apply(null, params);
    });

    selector.resultFunc = resultFunc;
    selector.dependencies = dependencies;
    selector.recomputations = function () {
      return recomputations;
    };
    selector.resetRecomputations = function () {
      return recomputations = 0;
    };
    return selector;
  };
}

var createSelector = createSelectorCreator(defaultMemoize);

/**
 * "Draft-Safe" version of `reselect`'s `createSelector`:
 * If an `immer`-drafted object is passed into the resulting selector's first argument,
 * the selector will act on the current draft value, instead of returning a cached value
 * that might be possibly outdated if the draft has been modified since.
 * @public
 */

var createDraftSafeSelector = function createDraftSafeSelector() {
  var selector = createSelector.apply(void 0, arguments);

  var wrappedSelector = function wrappedSelector(value) {
    for (var _len = arguments.length, rest = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
      rest[_key - 1] = arguments[_key];
    }

    return selector.apply(void 0, [n(value) ? D(value) : value].concat(rest));
  };

  return wrappedSelector;
};

function _extends() {
  _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;
  };

  return _extends.apply(this, arguments);
}

function _inheritsLoose(subClass, superClass) {
  subClass.prototype = Object.create(superClass.prototype);
  subClass.prototype.constructor = subClass;
  subClass.__proto__ = superClass;
}

function _getPrototypeOf(o) {
  _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {
    return o.__proto__ || Object.getPrototypeOf(o);
  };
  return _getPrototypeOf(o);
}

function _setPrototypeOf(o, p) {
  _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {
    o.__proto__ = p;
    return o;
  };

  return _setPrototypeOf(o, p);
}

function isNativeReflectConstruct() {
  if (typeof Reflect === "undefined" || !Reflect.construct) return false;
  if (Reflect.construct.sham) return false;
  if (typeof Proxy === "function") return true;

  try {
    Date.prototype.toString.call(Reflect.construct(Date, [], function () {}));
    return true;
  } catch (e) {
    return false;
  }
}

function _construct(Parent, args, Class) {
  if (isNativeReflectConstruct()) {
    _construct = Reflect.construct;
  } else {
    _construct = function _construct(Parent, args, Class) {
      var a = [null];
      a.push.apply(a, args);
      var Constructor = Function.bind.apply(Parent, a);
      var instance = new Constructor();
      if (Class) _setPrototypeOf(instance, Class.prototype);
      return instance;
    };
  }

  return _construct.apply(null, arguments);
}

function _isNativeFunction(fn) {
  return Function.toString.call(fn).indexOf("[native code]") !== -1;
}

function _wrapNativeSuper(Class) {
  var _cache = typeof Map === "function" ? new Map() : undefined;

  _wrapNativeSuper = function _wrapNativeSuper(Class) {
    if (Class === null || !_isNativeFunction(Class)) return Class;

    if (typeof Class !== "function") {
      throw new TypeError("Super expression must either be null or a function");
    }

    if (typeof _cache !== "undefined") {
      if (_cache.has(Class)) return _cache.get(Class);

      _cache.set(Class, Wrapper);
    }

    function Wrapper() {
      return _construct(Class, arguments, _getPrototypeOf(this).constructor);
    }

    Wrapper.prototype = Object.create(Class.prototype, {
      constructor: {
        value: Wrapper,
        enumerable: false,
        writable: true,
        configurable: true
      }
    });
    return _setPrototypeOf(Wrapper, Class);
  };

  return _wrapNativeSuper(Class);
}

/**
 * @public
 */

var composeWithDevTools = typeof window !== 'undefined' && window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__ ? window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__ : function () {
  if (arguments.length === 0) return undefined;
  if (typeof arguments[0] === 'object') return compose;
  return compose.apply(null, arguments);
};

/**
 * Returns true if the passed value is "plain" object, i.e. an object whose
 * prototype is the root `Object.prototype`. This includes objects created
 * using object literals, but not for instance for class instances.
 *
 * @param {any} value The value to inspect.
 * @returns {boolean} True if the argument appears to be a plain object.
 *
 * @public
 */
function isPlainObject$1(value) {
  if (typeof value !== 'object' || value === null) return false;
  var proto = value;

  while (Object.getPrototypeOf(proto) !== null) {
    proto = Object.getPrototypeOf(proto);
  }

  return Object.getPrototypeOf(value) === proto;
}

function createThunkMiddleware(extraArgument) {
  return function (_ref) {
    var dispatch = _ref.dispatch,
        getState = _ref.getState;
    return function (next) {
      return function (action) {
        if (typeof action === 'function') {
          return action(dispatch, getState, extraArgument);
        }

        return next(action);
      };
    };
  };
}

var thunk = createThunkMiddleware();
thunk.withExtraArgument = createThunkMiddleware;

function getTimeMeasureUtils(maxDelay, fnName) {
  var elapsed = 0;
  return {
    measureTime: function measureTime(fn) {
      var started = Date.now();

      try {
        return fn();
      } finally {
        var finished = Date.now();
        elapsed += finished - started;
      }
    },
    warnIfExceeded: function warnIfExceeded() {
      if (elapsed > maxDelay) {
        console.warn(fnName + " took " + elapsed + "ms, which is more than the warning threshold of " + maxDelay + "ms. \nIf your state or actions are very large, you may want to disable the middleware as it might cause too much of a slowdown in development mode. See https://redux-toolkit.js.org/api/getDefaultMiddleware for instructions.\nIt is disabled in production builds, so you don't need to worry about that.");
      }
    }
  };
}
/**
 * @public
 */

var MiddlewareArray =
/*#__PURE__*/
function (_Array) {
  _inheritsLoose(MiddlewareArray, _Array);

  function MiddlewareArray() {
    return _Array.apply(this, arguments) || this;
  }

  var _proto = MiddlewareArray.prototype;

  _proto.concat = function concat() {
    var _Array$prototype$conc;

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

    return _construct(MiddlewareArray, (_Array$prototype$conc = _Array.prototype.concat).call.apply(_Array$prototype$conc, [this].concat(arr)));
  };

  _proto.prepend = function prepend() {
    for (var _len2 = arguments.length, arr = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
      arr[_key2] = arguments[_key2];
    }

    if (arr.length === 1 && Array.isArray(arr[0])) {
      return _construct(MiddlewareArray, arr[0].concat(this));
    }

    return _construct(MiddlewareArray, arr.concat(this));
  };

  return MiddlewareArray;
}(
/*#__PURE__*/
_wrapNativeSuper(Array));

var prefix = 'Invariant failed'; // Throw an error if the condition fails
// Strip out error messages for production
// > Not providing an inline default argument for message as the result is smaller

function invariant(condition, message) {
  if (condition) {
    return;
  } // Condition not passed
  // *This block will be removed in production builds*


  throw new Error(prefix + ": " + (message || ''));
}

function stringify(obj, serializer, indent, decycler) {
  return JSON.stringify(obj, getSerialize(serializer, decycler), indent);
}

function getSerialize(serializer, decycler) {
  var stack = [],
      keys = [];
  if (!decycler) decycler = function decycler(_, value) {
    if (stack[0] === value) return '[Circular ~]';
    return '[Circular ~.' + keys.slice(0, stack.indexOf(value)).join('.') + ']';
  };
  return function (key, value) {
    if (stack.length > 0) {
      var thisPos = stack.indexOf(this);
      ~thisPos ? stack.splice(thisPos + 1) : stack.push(this);
      ~thisPos ? keys.splice(thisPos, Infinity, key) : keys.push(key);
      if (~stack.indexOf(value)) value = decycler.call(this, key, value);
    } else stack.push(value);

    return serializer == null ? value : serializer.call(this, key, value);
  };
}
/**
 * The default `isImmutable` function.
 *
 * @public
 */


function isImmutableDefault(value) {
  return typeof value !== 'object' || value === null || typeof value === 'undefined' || Object.isFrozen(value);
}
function trackForMutations(isImmutable, ignorePaths, obj) {
  var trackedProperties = trackProperties(isImmutable, ignorePaths, obj);
  return {
    detectMutations: function detectMutations() {
      return _detectMutations(isImmutable, ignorePaths, trackedProperties, obj);
    }
  };
}

function trackProperties(isImmutable, ignorePaths, obj, path) {
  if (ignorePaths === void 0) {
    ignorePaths = [];
  }

  if (path === void 0) {
    path = '';
  }

  var tracked = {
    value: obj
  };

  if (!isImmutable(obj)) {
    tracked.children = {};

    for (var key in obj) {
      var childPath = path ? path + '.' + key : key;

      if (ignorePaths.length && ignorePaths.indexOf(childPath) !== -1) {
        continue;
      }

      tracked.children[key] = trackProperties(isImmutable, ignorePaths, obj[key], childPath);
    }
  }

  return tracked;
}

function _detectMutations(isImmutable, ignorePaths, trackedProperty, obj, sameParentRef, path) {
  if (ignorePaths === void 0) {
    ignorePaths = [];
  }

  if (sameParentRef === void 0) {
    sameParentRef = false;
  }

  if (path === void 0) {
    path = '';
  }

  var prevObj = trackedProperty ? trackedProperty.value : undefined;
  var sameRef = prevObj === obj;

  if (sameParentRef && !sameRef && !Number.isNaN(obj)) {
    return {
      wasMutated: true,
      path: path
    };
  }

  if (isImmutable(prevObj) || isImmutable(obj)) {
    return {
      wasMutated: false
    };
  } // Gather all keys from prev (tracked) and after objs


  var keysToDetect = {};

  for (var key in trackedProperty.children) {
    keysToDetect[key] = true;
  }

  for (var _key in obj) {
    keysToDetect[_key] = true;
  }

  for (var _key2 in keysToDetect) {
    var childPath = path ? path + '.' + _key2 : _key2;

    if (ignorePaths.length && ignorePaths.indexOf(childPath) !== -1) {
      continue;
    }

    var result = _detectMutations(isImmutable, ignorePaths, trackedProperty.children[_key2], obj[_key2], sameRef, childPath);

    if (result.wasMutated) {
      return result;
    }
  }

  return {
    wasMutated: false
  };
}
/**
 * Creates a middleware that checks whether any