create a shadow dom when a custom element is mounted

packages/native-core/src/node_ref.rs

@@ -60,7 +60,7 @@ impl<'a, V: FromAnyValue> NodeView<'a, V> {
             NodeType::Element(ElementNode { attributes, .. }) => Some(
                 attributes
                     .iter()
-                    .filter(move |(attr, _)| self.mask.attritutes.contains_attribute(&attr.name))
+                    .filter(move |(attr, _)| self.mask.attritutes.contains(&attr.name))
                     .map(|(attr, val)| OwnedAttributeView {
                         attribute: attr,
                         value: val,
@@ -107,8 +107,8 @@ pub enum AttributeMask {
 }
 
 impl AttributeMask {
-    /// Check if the given attribute is visible
-    fn contains_attribute(&self, attr: &str) -> bool {
+    /// Check if the mask contains the given attribute
+    pub fn contains(&self, attr: &str) -> bool {
         match self {
             AttributeMask::All => true,
             AttributeMask::Some(attrs) => attrs.contains(attr),