@bigfishtv/cockpit/es/reducers/fileTypes.js

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; };

/**
 * @module Reducers/fileTypes
 */

import { FILE_EXTENSIONS_INITED, FILE_EXTENSION_ADDED, FILE_EXTENSIONS_ADDED, FILE_EXTENSION_REMOVED, FILE_EXTENSIONS_REMOVED, FILE_CATEGORY_EMPTIED } from '../constants/ActionTypes';

var initialState = {};

/**
 * Reducer for managing file type extensions
 * @param  {Object} state
 * @param  {Object} action
 * @param  {String} action.type - const action type from constants/ActionTypes
 * @return {Object} returns state
 */
export default function () {
	var state = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : initialState;
	var action = arguments[1];

	switch (action.type) {
		case FILE_EXTENSIONS_INITED:
			return _extends({}, action.state) || state;

		case FILE_EXTENSION_ADDED:
			if (!state[action.category]) {
				state[action.category] = [action.extension];
			} else if (state[action.category].indexOf(action.extension) < 0) {
				state[action.category].push(action.extension);
			}
			return state;

		case FILE_EXTENSIONS_ADDED:
			if (!state[action.category]) {
				state[action.category] = action.extensions;
			} else {
				action.extensions.map(function (extension) {
					if (state[action.category].indexOf(extension) < 0) state[action.category].push(extension);
				});
			}
			return state;

		case FILE_EXTENSION_REMOVED:
			if (state[action.category]) {
				var index = state[action.category].indexOf(action.extension);
				if (index >= 0) state[action.category].splice(index, 1);
			}
			return state;

		case FILE_EXTENSIONS_REMOVED:
			if (state[action.category]) {
				action.extensions.map(function (extension) {
					var index = state[action.category].indexOf(extension);
					if (index >= 0) state[action.category].splice(index, 1);
				});
			}
			return state;

		case FILE_CATEGORY_EMPTIED:
			if (state[action.category]) state[action.category] = [];
			return state;
	}
	return state;
}