Function appendTo

lib/html/syntax.js:4705–4717

(
		/** @type {HtmlElement | HtmlDocument | HtmlDocumentFragment} */ parent,
		/** @type {HtmlNode} */ node
	)

			: parent.children;

	const appendTo = (
		/** @type {HtmlElement | HtmlDocument | HtmlDocumentFragment} */ parent,
		/** @type {HtmlNode} */ node
	) => {
		const arr = childrenOf(parent);
		const last = arr[arr.length - 1];
		if (node.type === NodeType.Text && last && last.type === NodeType.Text) {
			last.data += node.data;
			if (node.end !== undefined) last.end = node.end;
			return;
		}
		arr.push(node);
	};

	// Reused result of `appropriatePlace` — consumed synchronously by
	// `insertAtPlace` and never retained, so one shared object avoids an