axe-core/lib/rules/p-as-heading-matches.js

Accessibility engine for automated Web UI testing

const children = Array.from(node.parentNode.childNodes);
const nodeText = node.textContent.trim();
const isSentence = /[.!?:;](?![.!?:;])/g;

// Check that there is text, and it is not more than a single sentence
if (nodeText.length === 0 || (nodeText.match(isSentence) || []).length >= 2) {
	return false;
}

// Grab sibling p element following the current node
const siblingsAfter = children
	.slice(children.indexOf(node) + 1)
	.filter(
		elm => elm.nodeName.toUpperCase() === 'P' && elm.textContent.trim() !== ''
	);

return siblingsAfter.length !== 0;