Sha256: 97143ca30e3cc75b80bcc7107045730e7cb26f99245d254da161cfbcebca0a85
Contents?: true
Size: 1.12 KB
Versions: 271
Compression:
Stored size: 1.12 KB
Contents
const id = axe.utils.escapeSelector(node.getAttribute('id'));
let parent = node.parentNode;
let root = axe.commons.dom.getRootNode(node);
root = root.documentElement || root;
let labels = Array.from(root.querySelectorAll(`label[for="${id}"]`));
if (labels.length) {
// filter out CSS hidden labels because they're fine
labels = labels.filter(label => axe.commons.dom.isVisible(label));
}
while (parent) {
if (
parent.nodeName.toUpperCase() === 'LABEL' &&
labels.indexOf(parent) === -1
) {
labels.push(parent);
}
parent = parent.parentNode;
}
this.relatedNodes(labels);
// more than 1 CSS visible label
if (labels.length > 1) {
const ATVisibleLabels = labels.filter(label =>
axe.commons.dom.isVisible(label, true)
);
// more than 1 AT visible label will fail IOS/Safari/VO even with aria-labelledby
if (ATVisibleLabels.length > 1) {
return undefined;
}
// make sure the ONE AT visible label is in the list of idRefs of aria-labelledby
const labelledby = axe.commons.dom.idrefs(node, 'aria-labelledby');
return !labelledby.includes(ATVisibleLabels[0]) ? undefined : false;
}
// only 1 CSS visible label
return false;
Version data entries
271 entries across 271 versions & 1 rubygems