wip: start to refactor out hot reloading from packages

Also implement alternative simpler template system

packages/core/src/nodes/template.rs

@@ -0,0 +1,60 @@
+use std::hash::Hash;
+
+use crate::{Attribute, ElementId, Listener, VNode};
+
+/// A reference to a template along with any context needed to hydrate it
+pub struct VTemplate<'a> {
+    pub key: Option<&'a str>,
+
+    pub template: Template<'static>,
+
+    pub dynamic_nodes: &'a [VNode<'a>],
+
+    pub dynamic_attrs: &'a [Attribute<'a>],
+
+    pub listeners: &'a [Listener<'a>],
+}
+
+/// A template that is created at compile time
+#[derive(Clone, Copy)]
+pub struct Template<'a> {
+    /// name, line, col, or some sort of identifier
+    pub id: &'static str,
+
+    /// All the roots of the template. ie rsx! { div {} div{} } would have two roots
+    pub roots: &'a [TemplateNode<'a>],
+}
+
+impl<'a> Eq for Template<'a> {}
+
+impl<'a> PartialEq for Template<'a> {
+    fn eq(&self, other: &Self) -> bool {
+        self.id == other.id
+    }
+}
+
+impl<'a> Hash for Template<'a> {
+    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
+        self.id.hash(state);
+    }
+}
+
+/// A weird-ish variant of VNodes with way more limited types
+pub enum TemplateNode<'a> {
+    Element {
+        tag: &'static str,
+        attrs: &'a [TemplateAttribute],
+        children: &'a [TemplateNode<'a>],
+    },
+    Text(&'static str),
+    Dynamic(usize),
+}
+
+pub enum TemplateAttribute {
+    // todo: more values
+    Static {
+        name: &'static str,
+        value: &'static str,
+    },
+    Dynamic(usize),
+}