mapAction.js

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		exports["mapAction"] = factory();
	else
		root["mapAction"] = factory();
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/* 0 */
/***/ function(module, exports) {

	'use strict';

	Object.defineProperty(exports, "__esModule", {
	  value: 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; };

	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; }

	var nullReducer = function nullReducer(state) {
	  return typeof state === 'undefined' ? null : state;
	};

	/**
	 * Creates a higher-order reducer which map actions before passing to a reducer
	 * Specify a list of action types to whitelist actions for mapping.
	 *
	 * mapAction(
	 *   actionMapper: (action: Object) => newAction: Object,
	 *   actionTypes: ?Array<string>
	 * ): (reducer) => reducer
	 */
	var mapAction = function mapAction(actionMapper) {
	  var actionTypes = arguments.length <= 1 || arguments[1] === undefined ? null : arguments[1];

	  var actionTypesDict = actionTypes && actionTypes.reduce(function (dict, actionType) {
	    return _extends({}, dict, _defineProperty({}, actionType, true));
	  }, {});

	  return function () {
	    var reducer = arguments.length <= 0 || arguments[0] === undefined ? nullReducer : arguments[0];
	    return function (state, action) {
	      if (actionTypes && !actionTypesDict[action.type]) {
	        return reducer(state, action);
	      }

	      return reducer(state, actionMapper(action));
	    };
	  };
	};

	exports.default = mapAction;

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