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
49 lines
1.6 KiB
JavaScript
49 lines
1.6 KiB
JavaScript
import { FOCUS_DISABLED, FOCUS_GROUP } from '../constants';
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import { asArray, toArray } from './array';
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/**
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* in case of multiple nodes nested inside each other
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* keeps only top ones
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* this is O(nlogn)
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* @param nodes
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* @returns {*}
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*/
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const filterNested = (nodes) => {
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const contained = new Set();
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const l = nodes.length;
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for (let i = 0; i < l; i += 1) {
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for (let j = i + 1; j < l; j += 1) {
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const position = nodes[i].compareDocumentPosition(nodes[j]);
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/* eslint-disable no-bitwise */
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if ((position & Node.DOCUMENT_POSITION_CONTAINED_BY) > 0) {
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contained.add(j);
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}
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if ((position & Node.DOCUMENT_POSITION_CONTAINS) > 0) {
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contained.add(i);
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}
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/* eslint-enable */
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}
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}
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return nodes.filter((_, index) => !contained.has(index));
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};
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/**
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* finds top most parent for a node
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* @param node
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* @returns {*}
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*/
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const getTopParent = (node) => node.parentNode ? getTopParent(node.parentNode) : node;
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/**
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* returns all "focus containers" inside a given node
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* @param node - node or nodes to look inside
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* @returns Element[]
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*/
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export const getAllAffectedNodes = (node) => {
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const nodes = asArray(node);
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return nodes.filter(Boolean).reduce((acc, currentNode) => {
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const group = currentNode.getAttribute(FOCUS_GROUP);
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acc.push(...(group
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? filterNested(toArray(getTopParent(currentNode).querySelectorAll(`[${FOCUS_GROUP}="${group}"]:not([${FOCUS_DISABLED}="disabled"])`)))
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: [currentNode]));
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return acc;
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}, []);
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};
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