David Kruger
8df9031d27
``` ~/go/bin/sourcemapper -output ddb -jsurl https://media.dndbeyond.com/character-app/static/js/main.90aa78c5.js ```
74 lines
2.4 KiB
JavaScript
74 lines
2.4 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = findTabbableDescendants;
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/*!
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* Adapted from jQuery UI core
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*
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* http://jqueryui.com
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*
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* Copyright 2014 jQuery Foundation and other contributors
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* Released under the MIT license.
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* http://jquery.org/license
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*
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* http://api.jqueryui.com/category/ui-core/
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*/
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var tabbableNode = /input|select|textarea|button|object/;
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function hidesContents(element) {
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var zeroSize = element.offsetWidth <= 0 && element.offsetHeight <= 0;
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// If the node is empty, this is good enough
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if (zeroSize && !element.innerHTML) return true;
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try {
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// Otherwise we need to check some styles
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var style = window.getComputedStyle(element);
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return zeroSize ? style.getPropertyValue("overflow") !== "visible" ||
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// if 'overflow: visible' set, check if there is actually any overflow
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element.scrollWidth <= 0 && element.scrollHeight <= 0 : style.getPropertyValue("display") == "none";
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} catch (exception) {
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// eslint-disable-next-line no-console
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console.warn("Failed to inspect element style");
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return false;
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}
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}
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function visible(element) {
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var parentElement = element;
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var rootNode = element.getRootNode && element.getRootNode();
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while (parentElement) {
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if (parentElement === document.body) break;
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// if we are not hidden yet, skip to checking outside the Web Component
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if (rootNode && parentElement === rootNode) parentElement = rootNode.host.parentNode;
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if (hidesContents(parentElement)) return false;
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parentElement = parentElement.parentNode;
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}
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return true;
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}
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function focusable(element, isTabIndexNotNaN) {
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var nodeName = element.nodeName.toLowerCase();
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var res = tabbableNode.test(nodeName) && !element.disabled || (nodeName === "a" ? element.href || isTabIndexNotNaN : isTabIndexNotNaN);
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return res && visible(element);
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}
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function tabbable(element) {
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var tabIndex = element.getAttribute("tabindex");
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if (tabIndex === null) tabIndex = undefined;
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var isTabIndexNaN = isNaN(tabIndex);
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return (isTabIndexNaN || tabIndex >= 0) && focusable(element, !isTabIndexNaN);
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}
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function findTabbableDescendants(element) {
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var descendants = [].slice.call(element.querySelectorAll("*"), 0).reduce(function (finished, el) {
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return finished.concat(!el.shadowRoot ? [el] : findTabbableDescendants(el.shadowRoot));
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}, []);
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return descendants.filter(tabbable);
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}
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module.exports = exports["default"]; |