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

/**
 * @module Reducers/imageFilterPresets
 */

import { IMAGE_FILTER_PRESET_ADDED, IMAGE_FILTER_PRESETS_ADDED, IMAGE_FILTER_PRESET_REMOVED, IMAGE_FILTER_PRESETS_REMOVED } from '../constants/ActionTypes';

var initialState = [];

/**
 * Reducer for managing image editing filter presets
 * @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 IMAGE_FILTER_PRESET_ADDED:
			if (!state.filter(function (preset) {
				return preset.title == action.preset.title;
			}).length) {
				state.push(action.preset);
			}
			return state;

		case IMAGE_FILTER_PRESETS_ADDED:
			var _loop = function _loop() {
				if (_isArray) {
					if (_i >= _iterator.length) return 'break';
					_ref = _iterator[_i++];
				} else {
					_i = _iterator.next();
					if (_i.done) return 'break';
					_ref = _i.value;
				}

				var preset = _ref;

				if (!state.filter(function (_preset) {
					return _preset.title == preset.title;
				}).length) {
					state.push(preset);
				}
			};

			for (var _iterator = action.presets, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
				var _ref;

				var _ret = _loop();

				if (_ret === 'break') break;
			}
			return state;

		case IMAGE_FILTER_PRESET_REMOVED:
			return state.filter(function (preset) {
				return preset.title != action.presetTitle;
			});

		case IMAGE_FILTER_PRESETS_REMOVED:
			return state.filter(function (preset) {
				return action.presetTitles.indexOf(preset.title) < 0;
			});
	}
	return state;
}