chore: version inicial del codigo fuente del LMS Estafeta

2026-10-02 20:33:12 -06:00
commit c8bb6b97b9
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+/* *
+ *
+ *  (c) 2009-2020 Øystein Moseng
+ *
+ *  Utility functions for accessibility module.
+ *
+ *  License: www.highcharts.com/license
+ *
+ *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
+ *
+ * */
+'use strict';
+import U from '../../Core/Utilities.js';
+var merge = U.merge;
+import H from '../../Core/Globals.js';
+var win = H.win, doc = win.document;
+/* eslint-disable valid-jsdoc */
+/**
+ * @private
+ * @param {Highcharts.HTMLDOMElement} el
+ * @param {string} className
+ * @return {void}
+ */
+function addClass(el, className) {
+    if (el.classList) {
+        el.classList.add(className);
+    }
+    else if (el.className.indexOf(className) < 0) {
+        // Note: Dumb check for class name exists, should be fine for practical
+        // use cases, but will return false positives if the element has a class
+        // that contains the className.
+        el.className += className;
+    }
+}
+/**
+ * @private
+ * @param {string} str
+ * @return {string}
+ */
+function escapeStringForHTML(str) {
+    return str
+        .replace(/&/g, '&amp;')
+        .replace(/</g, '&lt;')
+        .replace(/>/g, '&gt;')
+        .replace(/"/g, '&quot;')
+        .replace(/'/g, '&#x27;')
+        .replace(/\//g, '&#x2F;');
+}
+/**
+ * Get an element by ID
+ * @param {string} id
+ * @private
+ * @return {Highcharts.HTMLDOMElement|Highcharts.SVGDOMElement|null}
+ */
+function getElement(id) {
+    return doc.getElementById(id);
+}
+/**
+ * Get a fake mouse event of a given type
+ * @param {string} type
+ * @private
+ * @return {global.MouseEvent}
+ */
+function getFakeMouseEvent(type) {
+    if (typeof win.MouseEvent === 'function') {
+        return new win.MouseEvent(type);
+    }
+    // No MouseEvent support, try using initMouseEvent
+    if (doc.createEvent) {
+        var evt = doc.createEvent('MouseEvent');
+        if (evt.initMouseEvent) {
+            evt.initMouseEvent(type, true, // Bubble
+            true, // Cancel
+            win, // View
+            type === 'click' ? 1 : 0, // Detail
+            // Coords
+            0, 0, 0, 0, 
+            // Pressed keys
+            false, false, false, false, 0, // button
+            null // related target
+            );
+            return evt;
+        }
+    }
+    return { type: type };
+}
+/**
+ * Remove an element from the DOM.
+ * @private
+ * @param {Highcharts.HTMLDOMElement|Highcharts.SVGDOMElement} [element]
+ * @return {void}
+ */
+function removeElement(element) {
+    if (element && element.parentNode) {
+        element.parentNode.removeChild(element);
+    }
+}
+/**
+ * Utility function. Reverses child nodes of a DOM element.
+ * @private
+ * @param {Highcharts.HTMLDOMElement|Highcharts.SVGDOMElement} node
+ * @return {void}
+ */
+function reverseChildNodes(node) {
+    var i = node.childNodes.length;
+    while (i--) {
+        node.appendChild(node.childNodes[i]);
+    }
+}
+/**
+ * Set attributes on element. Set to null to remove attribute.
+ * @private
+ * @param {Highcharts.HTMLDOMElement|Highcharts.SVGDOMElement} el
+ * @param {Highcharts.HTMLAttributes|Highcharts.SVGAttributes} attrs
+ * @return {void}
+ */
+function setElAttrs(el, attrs) {
+    Object.keys(attrs).forEach(function (attr) {
+        var val = attrs[attr];
+        if (val === null) {
+            el.removeAttribute(attr);
+        }
+        else {
+            var cleanedVal = escapeStringForHTML('' + val);
+            el.setAttribute(attr, cleanedVal);
+        }
+    });
+}
+/**
+ * Used for aria-label attributes, painting on a canvas will fail if the
+ * text contains tags.
+ * @private
+ * @param {string} str
+ * @return {string}
+ */
+function stripHTMLTagsFromString(str) {
+    return typeof str === 'string' ?
+        str.replace(/<\/?[^>]+(>|$)/g, '') : str;
+}
+/**
+ * Utility function for hiding an element visually, but still keeping it
+ * available to screen reader users.
+ * @private
+ * @param {Highcharts.HTMLDOMElement} element
+ * @return {void}
+ */
+function visuallyHideElement(element) {
+    var hiddenStyle = {
+        position: 'absolute',
+        width: '1px',
+        height: '1px',
+        overflow: 'hidden',
+        whiteSpace: 'nowrap',
+        clip: 'rect(1px, 1px, 1px, 1px)',
+        marginTop: '-3px',
+        '-ms-filter': 'progid:DXImageTransform.Microsoft.Alpha(Opacity=1)',
+        filter: 'alpha(opacity=1)',
+        opacity: '0.01'
+    };
+    merge(true, element.style, hiddenStyle);
+}
+var HTMLUtilities = {
+    addClass: addClass,
+    escapeStringForHTML: escapeStringForHTML,
+    getElement: getElement,
+    getFakeMouseEvent: getFakeMouseEvent,
+    removeElement: removeElement,
+    reverseChildNodes: reverseChildNodes,
+    setElAttrs: setElAttrs,
+    stripHTMLTagsFromString: stripHTMLTagsFromString,
+    visuallyHideElement: visuallyHideElement
+};
+export default HTMLUtilities;