node-html-parser 0.1.1

Fast HTML parser for Rust & WASM producing a lightweight DOM with CSS selector querying.
Documentation 
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use node_html_parser::{parse_with_options, Options};

#[test]
fn issue_269_270_comment_nodes_and_raw_tag_name() {
	let mut opts = Options::default();
	opts.comment = true;
	let root = parse_with_options("<div><!--this is comment here -->foo</div>", &opts);
	let div = root
		.children
		.iter()
		.find_map(|n| n.as_element())
		.expect("div");
	assert_eq!(div.name(), "div"); // rawTagName parity
	assert_eq!(div.children.len(), 2);
	let comment = &div.children[0];
	assert!(matches!(
		comment.node_type(),
		node_html_parser::NodeType::Comment
	));
	// JS rawTagName for comment is '!--'; we don't store rawTagName on Comment; emulate via selector query later
	let text = &div.children[1];
	assert!(matches!(text.node_type(), node_html_parser::NodeType::Text));
}

#[test]
fn issue_269_270_query_selector_comment() {
	let mut opts = Options::default();
	opts.comment = true;
	let html = r#"<html>
  <body>
    <h1>TEST</h1>
    <!-- Some comment here. -->
  </body>
</html>"#;
	let root = parse_with_options(html, &opts);
	// 遍历 children 收集注释文本
	let mut found = None;
	fn dfs_node(node: &node_html_parser::Node, out: &mut Option<String>) {
		match node {
			node_html_parser::Node::Comment(c) => {
				if c.text.contains("Some comment here.") {
					*out = Some(c.text.clone());
					return;
				}
			}
			node_html_parser::Node::Element(e) => {
				for ch in &e.children {
					dfs_node(ch, out);
					if out.is_some() {
						return;
					}
				}
			}
			node_html_parser::Node::Text(_) => {}
		}
	}
	for ch in &root.children {
		dfs_node(ch, &mut found);
		if found.is_some() {
			break;
		}
	}
	assert!(
		found.is_some(),
		"should find comment node with expected text"
	);
}