luhn-generator
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A generator of numbers that passes the validation of Luhn algorithm or Luhn formula, also known as the 'modulus 10' or 'mod 10' algorithm
14 lines (10 loc) • 474 B
JavaScript
import { findUpVirtual } from '../commons/dom';
function landmarkHasBodyContextMatches(node, virtualNode) {
const nativeScopeFilter = 'article, aside, main, nav, section';
// Filter elements that, within certain contexts, don't map their role.
// e.g. a <header> inside a <main> is not a banner, but in the <body> context it is
return (
node.hasAttribute('role') || !findUpVirtual(virtualNode, nativeScopeFilter)
);
}
export default landmarkHasBodyContextMatches;