58f8093689
- Updated all component headers and documentation
- Changed navbar and footer branding
- Updated homepage hero badge
- Modified page title in index.html
- Simplified footer text to 'Built with ❤️'
- Consistent V2 capitalization across all references
57 lines
1.9 KiB
JavaScript
57 lines
1.9 KiB
JavaScript
import { parentAutofocusables } from './DOMutils';
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import { contains } from './DOMutils';
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import { asArray } from './array';
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const getParents = (node, parents = []) => {
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parents.push(node);
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if (node.parentNode) {
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getParents(node.parentNode.host || node.parentNode, parents);
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}
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return parents;
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};
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/**
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* finds a parent for both nodeA and nodeB
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* @param nodeA
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* @param nodeB
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* @returns {boolean|*}
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*/
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export const getCommonParent = (nodeA, nodeB) => {
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const parentsA = getParents(nodeA);
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const parentsB = getParents(nodeB);
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// tslint:disable-next-line:prefer-for-of
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for (let i = 0; i < parentsA.length; i += 1) {
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const currentParent = parentsA[i];
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if (parentsB.indexOf(currentParent) >= 0) {
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return currentParent;
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}
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}
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return false;
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};
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export const getTopCommonParent = (baseActiveElement, leftEntry, rightEntries) => {
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const activeElements = asArray(baseActiveElement);
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const leftEntries = asArray(leftEntry);
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const activeElement = activeElements[0];
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let topCommon = false;
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leftEntries.filter(Boolean).forEach((entry) => {
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topCommon = getCommonParent(topCommon || entry, entry) || topCommon;
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rightEntries.filter(Boolean).forEach((subEntry) => {
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const common = getCommonParent(activeElement, subEntry);
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if (common) {
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if (!topCommon || contains(common, topCommon)) {
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topCommon = common;
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}
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else {
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topCommon = getCommonParent(common, topCommon);
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}
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}
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});
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});
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// TODO: add assert here?
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return topCommon;
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};
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/**
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* return list of nodes which are expected to be autofocused inside a given top nodes
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* @param entries
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* @param visibilityCache
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*/
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export const allParentAutofocusables = (entries, visibilityCache) => entries.reduce((acc, node) => acc.concat(parentAutofocusables(node, visibilityCache)), []);
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