Function walk

test/html5lib.spectest.js:205–243

(node, depth)

	 * @param {number} depth depth
	 */
	const walk = (node, depth) => {
		const indent = `| ${"  ".repeat(depth)}`;
		if (node.type === NodeType.Doctype) {
			let s = `<!DOCTYPE ${node.name || ""}`;
			if (node.publicId !== null || node.systemId !== null) {
				s += ` "${node.publicId || ""}" "${node.systemId || ""}"`;
			}
			lines.push(`${indent}${s}>`);
			return;
		}
		if (node.type === NodeType.Comment) {
			lines.push(`${indent}<!-- ${node.data} -->`);
			return;
		}
		if (node.type === NodeType.Text) {
			lines.push(`${indent}"${node.data}"`);
			return;
		}
		const prefix = NS_PREFIX[node.namespace] || "";
		lines.push(`${indent}<${prefix}${node.tagName}>`);
		const attrs = [...node.attributes].sort((a, b) => {
			const an = a.serializedName || a.name;
			const bn = b.serializedName || b.name;
			return an < bn ? -1 : an > bn ? 1 : 0;
		});
		for (const a of attrs) {
			lines.push(
				`| ${"  ".repeat(depth + 1)}${
					a.serializedName || a.name
				}="${decodeHtmlEntities(a.value, true)}"`
			);
		}
		if (node.templateContent) {
			lines.push(`| ${"  ".repeat(depth + 1)}content`);
			for (const c of node.templateContent.children) walk(c, depth + 2);
			return;
		}
		for (const c of node.children) walk(c, depth + 1);
	};
	for (const c of doc.children) walk(c, 0);
	return lines.join("\n");
};