https://www.amtrak.com/etc.clientlibs/core/wcm/components/commons/site/clientlibs/utils.js

1/*******************************************************************************
2 * Copyright 2022 Adobe
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *     http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 ******************************************************************************/
16(function(document) {
17    "use strict";
18
19    window.CMP = window.CMP || {};
20    window.CMP.utils = (function() {
21        var NS = "cmp";
22
23        /**
24         * Reads options data from the Component wrapper element, defined via {@code data-cmp-*} data attributes
25         *
26         * @param {HTMLElement} element The component element to read options data from
27         * @param {String} is The component identifier
28         * @returns {String[]} The options read from the component data attributes
29         */
30        var readData = function(element, is) {
31            var data = element.dataset;
32            var options = [];
33            var capitalized = is;
34            capitalized = capitalized.charAt(0).toUpperCase() + capitalized.slice(1);
35            var reserved = ["is", "hook" + capitalized];
36
37            for (var key in data) {
38                if (Object.prototype.hasOwnProperty.call(data, key)) {
39                    var value = data[key];
40
41                    if (key.indexOf(NS) === 0) {
42                        key = key.slice(NS.length);
43                        key = key.charAt(0).toLowerCase() + key.substring(1);
44
45                        if (reserved.indexOf(key) === -1) {
46                            options[key] = value;
47                        }
48                    }
49                }
50            }
51            return options;
52        };
53
54        /**
55         * Set up the final properties of a component by evaluating the transform function or fall back to the default value on demand
56         * @param {String[]} options the options to transform
57         * @param {Object} properties object of properties of property functions
58         * @returns {Object} transformed properties
59         */
60        var setupProperties = function(options, properties) {
61            var transformedProperties = {};
62
63            for (var key in properties) {
64                if (Object.prototype.hasOwnProperty.call(properties, key)) {
65                    var property = properties[key];
66                    if (options && options[key] != null) {
67                        if (property && typeof property.transform === "function") {
68                            transformedProperties[key] = property.transform(options[key]);
69                        } else {
70                            transformedProperties[key] = options[key];
71                        }
72                    } else {
73                        transformedProperties[key] = properties[key]["default"];
74                    }
75                }
76            }
77            return transformedProperties;
78        };
79
80
81        return {
82            readData: readData,
83            setupProperties: setupProperties
84        };
85    }());
86    document.dispatchEvent(new CustomEvent("core.wcm.components.commons.site.utils.loaded"));
87}(window.document));