luhn-generator
Version:
A generator of numbers that passes the validation of Luhn algorithm or Luhn formula, also known as the 'modulus 10' or 'mod 10' algorithm
35 lines (32 loc) • 856 B
JavaScript
import { hasContentVirtual, getComposedParent } from '../../commons/dom';
function hiddenContentEvaluate(node, options, virtualNode) {
const whitelist = [
'SCRIPT',
'HEAD',
'TITLE',
'NOSCRIPT',
'STYLE',
'TEMPLATE'
];
if (
!whitelist.includes(node.nodeName.toUpperCase()) &&
hasContentVirtual(virtualNode)
) {
const styles = window.getComputedStyle(node);
if (styles.getPropertyValue('display') === 'none') {
return undefined;
} else if (styles.getPropertyValue('visibility') === 'hidden') {
// Check if visibility isn't inherited
const parent = getComposedParent(node);
const parentStyle = parent && window.getComputedStyle(parent);
if (
!parentStyle ||
parentStyle.getPropertyValue('visibility') !== 'hidden'
) {
return undefined;
}
}
}
return true;
}
export default hiddenContentEvaluate;