Native: Split dioxus-native-dom crate out of dioxus-native (#4366)

Signed-off-by: Nico Burns <nico@nicoburns.com>

packages/native-dom/src/lib.rs

@@ -0,0 +1,51 @@
+#![cfg_attr(docsrs, feature(doc_cfg))]
+
+//! Core headless native renderer for Dioxus.
+//!
+//! ## Feature flags
+//!  - `default`: Enables the features listed below.
+//!  - `accessibility`: Enables [`accesskit`](https://docs.rs/accesskit/latest/accesskit/) accessibility support.
+//!  - `hot-reload`: Enables hot-reloading of Dioxus RSX.
+//!  - `menu`: Enables the [`muda`](https://docs.rs/muda/latest/muda/) menubar.
+//!  - `tracing`: Enables tracing support.
+
+mod dioxus_document;
+mod events;
+mod mutation_writer;
+pub use dioxus_document::DioxusDocument;
+
+use blitz_dom::{ns, LocalName, Namespace, QualName};
+type NodeId = usize;
+
+pub(crate) fn qual_name(local_name: &str, namespace: Option<&str>) -> QualName {
+    QualName {
+        prefix: None,
+        ns: namespace.map(Namespace::from).unwrap_or(ns!(html)),
+        local: LocalName::from(local_name),
+    }
+}
+
+// Syntax sugar to make tracing calls less noisy in function below
+macro_rules! trace {
+    ($pattern:literal) => {{
+        #[cfg(feature = "tracing")]
+        tracing::info!($pattern);
+    }};
+    ($pattern:literal, $item1:expr) => {{
+        #[cfg(feature = "tracing")]
+        tracing::info!($pattern, $item1);
+    }};
+    ($pattern:literal, $item1:expr, $item2:expr) => {{
+        #[cfg(feature = "tracing")]
+        tracing::info!($pattern, $item1, $item2);
+    }};
+    ($pattern:literal, $item1:expr, $item2:expr, $item3:expr) => {{
+        #[cfg(feature = "tracing")]
+        tracing::info!($pattern, $item1, $item2);
+    }};
+    ($pattern:literal, $item1:expr, $item2:expr, $item3:expr, $item4:expr) => {{
+        #[cfg(feature = "tracing")]
+        tracing::info!($pattern, $item1, $item2, $item3, $item4);
+    }};
+}
+pub(crate) use trace;