wip: stack-based "real child iterator"

packages/core/src/util.rs

@@ -0,0 +1,57 @@
+use crate::innerlude::*;
+
+pub struct DebugDom {
+    counter: u32,
+}
+impl DebugDom {
+    pub fn new() -> Self {
+        Self { counter: 0 }
+    }
+}
+impl RealDom for DebugDom {
+    fn push_root(&mut self, root: RealDomNode) {}
+
+    fn append_child(&mut self) {}
+
+    fn replace_with(&mut self) {}
+
+    fn remove(&mut self) {}
+
+    fn remove_all_children(&mut self) {}
+
+    fn create_text_node(&mut self, text: &str) -> RealDomNode {
+        self.counter += 1;
+        RealDomNode::new(self.counter)
+    }
+
+    fn create_element(&mut self, tag: &str) -> RealDomNode {
+        self.counter += 1;
+        RealDomNode::new(self.counter)
+    }
+
+    fn create_element_ns(&mut self, tag: &str, namespace: &str) -> RealDomNode {
+        self.counter += 1;
+        RealDomNode::new(self.counter)
+    }
+
+    fn new_event_listener(
+        &mut self,
+        event: &str,
+        scope: ScopeIdx,
+        element_id: usize,
+        realnode: RealDomNode,
+    ) {
+    }
+
+    fn remove_event_listener(&mut self, event: &str) {}
+
+    fn set_text(&mut self, text: &str) {}
+
+    fn set_attribute(&mut self, name: &str, value: &str, is_namespaced: bool) {}
+
+    fn remove_attribute(&mut self, name: &str) {}
+
+    fn raw_node_as_any_mut(&self) -> &mut dyn std::any::Any {
+        todo!()
+    }
+}