Function pushAfe

lib/html/syntax.js:4975–4993

(/** @type {HtmlElement} */ el)

	// ---- active formatting elements ----
	const pushAfe = (/** @type {HtmlElement} */ el) => {
		let count = 0;
		for (let i = afe.length - 1; i >= 0; i--) {
			const e = afe[i];
			if (e.marker) break;
			if (
				afeEl(e).tagName === el.tagName &&
				afeEl(e).namespace === el.namespace &&
				sameAttrs(afeEl(e), el)
			) {
				count++;
				if (count === 3) {
					afe.splice(i, 1);
					break;
				}
			}
		}
		afe.push({ element: el });
	};
	const sameAttrs = (
		/** @type {HtmlElement} */ a,
		/** @type {HtmlElement} */ b