Function get_target_element_node

core/src/renderer/dom/api.rs:38–58

TODO: return an array of Node instead of one Node.

(
    node: Option<Rc<RefCell<Node>>>,
    element_kind: ElementKind,
)

// TODO: return an array of Node instead of one Node.
pub fn get_target_element_node(
    node: Option<Rc<RefCell<Node>>>,
    element_kind: ElementKind,
) -> Option<Rc<RefCell<Node>>> {
    match node {
        Some(n) => {
            if n.borrow().kind()
                == NodeKind::Element(Element::new(&element_kind.to_string(), Vec::new()))
            {
                return Some(n.clone());
            }
            let result1 = get_target_element_node(n.borrow().first_child(), element_kind);
            let result2 = get_target_element_node(n.borrow().next_sibling(), element_kind);
            if result1.is_none() {
                return result2;
            }
            result1
        }
        None => None,
    }
}

pub fn get_style_content(root: Rc<RefCell<Node>>) -> String {
    let style_node = match get_target_element_node(Some(root), ElementKind::Style) {