Function extract_single_text_node

packages/document/src/elements/mod.rs:70–103

(children: &Element)

}

fn extract_single_text_node(children: &Element) -> Result<String, ExtractSingleTextNodeError<'_>> {
    let vnode = match children {
        Element::Ok(vnode) => vnode,
        Element::Err(err) => {
            return Err(ExtractSingleTextNodeError::RenderError(err));
        }
    };
    // The title's children must be in one of two forms:
    // 1. rsx! { "static text" }
    // 2. rsx! { "title: {dynamic_text}" }
    match vnode.template {
        // rsx! { "static text" }
        Template {
            roots: &[TemplateNode::Text { text }],
            node_paths: &[],
            attr_paths: &[],
            ..
        } => Ok(text.to_string()),
        // rsx! { "title: {dynamic_text}" }
        Template {
            roots: &[TemplateNode::Dynamic { id }],
            node_paths: &[&[0]],
            attr_paths: &[],
            ..
        } => {
            let node = &vnode.dynamic_nodes[id];
            match node {
                DynamicNode::Text(text) => Ok(text.value.clone()),
                _ => Err(ExtractSingleTextNodeError::NonTextNode),
            }
        }
        _ => Err(ExtractSingleTextNodeError::NonTemplate),
    }
}

fn get_or_insert_root_context<T: Default + Clone + 'static>() -> T {
    let rt = Runtime::current();