feat: get desktop working with just creation

packages/core/src/create.rs

@@ -47,6 +47,7 @@ impl VirtualDom {
         // todo: adjust dynamic nodes to be in the order of roots and then leaves (ie BFS)
         let mut dynamic_attrs = template.template.attr_paths.iter().enumerate().peekable();
         let mut dynamic_nodes = template.template.node_paths.iter().enumerate().peekable();
+        let cur_scope = self.scope_stack.last().copied().unwrap();
 
         let mut on_stack = 0;
         for (root_idx, root) in template.template.roots.iter().enumerate() {
@@ -78,21 +79,25 @@ impl VirtualDom {
                 });
 
                 loop {
-                    let attribute = &template.dynamic_attrs[attr_id];
+                    let attribute = template.dynamic_attrs.get(attr_id).unwrap();
                     attribute.mounted_element.set(id);
 
-                    match attribute.value {
+                    match &attribute.value {
                         AttributeValue::Text(value) => mutations.push(SetAttribute {
                             name: attribute.name,
-                            value,
+                            value: *value,
                             id,
                         }),
                         AttributeValue::Bool(value) => mutations.push(SetBoolAttribute {
                             name: attribute.name,
-                            value,
+                            value: *value,
+                            id,
+                        }),
+                        AttributeValue::Listener(_) => mutations.push(NewEventListener {
+                            event_name: attribute.name,
+                            scope: cur_scope,
                             id,
                         }),
-                        AttributeValue::Listener(_) => todo!("create listener attributes"),
                         AttributeValue::Float(_) => todo!(),
                         AttributeValue::Int(_) => todo!(),
                         AttributeValue::Any(_) => todo!(),
@@ -138,8 +143,8 @@ impl VirtualDom {
                 let id = self.next_element(template);
                 mutations.push(CreatePlaceholder { id })
             }
-            TemplateNode::Text(value) => mutations.push(CreateText { value }),
-            TemplateNode::DynamicText { .. } => mutations.push(CreateText {
+            TemplateNode::Text(value) => mutations.push(CreateTextNode { value }),
+            TemplateNode::DynamicText { .. } => mutations.push(CreateTextNode {
                 value: "placeholder",
             }),
 

packages/core/src/diff.rs

@@ -189,7 +189,7 @@ impl<'b> VirtualDom {
 
                 (DynamicNode::Text { id: lid, .. }, right) => {
                     let m = self.create_dynamic_node(muts, right_template, right, idx);
-                    muts.push(Mutation::Replace { id: lid.get(), m });
+                    muts.push(Mutation::ReplaceWith { id: lid.get(), m });
                 }
 
                 (DynamicNode::Placeholder(_), DynamicNode::Placeholder(_)) => todo!(),

packages/core/src/events.rs

@@ -6,11 +6,18 @@ use std::{
     rc::Rc,
 };
 
-pub struct UiEvent<T> {
-    bubble_state: Cell<bool>,
-    data: Rc<T>,
+pub struct UiEvent<T: 'static> {
+    pub(crate) bubble_state: Cell<bool>,
+    pub(crate) data: Rc<T>,
+}
+impl<T> Clone for UiEvent<T> {
+    fn clone(&self) -> Self {
+        Self {
+            bubble_state: self.bubble_state.clone(),
+            data: self.data.clone(),
+        }
+    }
 }
-
 impl<T> UiEvent<T> {
     pub fn cancel_bubble(&self) {
         self.bubble_state.set(false);

packages/core/src/mutations.rs

@@ -1,4 +1,4 @@
-use crate::arena::ElementId;
+use crate::{arena::ElementId, ScopeId};
 
 #[derive(Debug)]
 pub struct Mutations<'a> {
@@ -35,40 +35,49 @@ impl std::ops::DerefMut for Mutations<'_> {
 each subtree has its own numbering scheme
 */
 
-#[cfg_attr(feature = "serialize", derive(serde::Serialize, serde::Deserialize))]
+#[cfg_attr(
+    feature = "serialize",
+    derive(serde::Serialize, serde::Deserialize),
+    serde(tag = "type")
+)]
 #[derive(Debug, PartialEq, Eq)]
 pub enum Mutation<'a> {
-    SetAttribute {
-        name: &'a str,
-        value: &'a str,
+    AppendChildren {
+        m: usize,
+    },
+
+    AssignId {
+        path: &'static [u8],
         id: ElementId,
     },
 
-    SetBoolAttribute {
+    CreateElement {
         name: &'a str,
-        value: bool,
+        namespace: Option<&'a str>,
         id: ElementId,
     },
 
-    LoadTemplate {
-        name: &'static str,
-        index: usize,
+    CreatePlaceholder {
+        id: ElementId,
     },
 
-    SaveTemplate {
-        name: &'static str,
-        m: usize,
+    CreateTextNode {
+        value: &'a str,
     },
-
     HydrateText {
         path: &'static [u8],
         value: &'a str,
         id: ElementId,
     },
+    LoadTemplate {
+        name: &'static str,
+        index: usize,
+    },
 
-    SetText {
-        value: &'a str,
+    // Take the current element and replace it with the element with the given id.
+    ReplaceWith {
         id: ElementId,
+        m: usize,
     },
 
     ReplacePlaceholder {
@@ -76,20 +85,20 @@ pub enum Mutation<'a> {
         path: &'static [u8],
     },
 
-    AssignId {
-        path: &'static [u8],
-        id: ElementId,
+    SaveTemplate {
+        name: &'static str,
+        m: usize,
     },
 
-    // Take the current element and replace it with the element with the given id.
-    Replace {
+    SetAttribute {
+        name: &'a str,
+        value: &'a str,
         id: ElementId,
-        m: usize,
     },
 
-    CreateElement {
+    SetBoolAttribute {
         name: &'a str,
-        namespace: Option<&'a str>,
+        value: bool,
         id: ElementId,
     },
 
@@ -97,15 +106,29 @@ pub enum Mutation<'a> {
         value: &'a str,
     },
 
-    CreateText {
+    SetText {
         value: &'a str,
+        id: ElementId,
     },
 
-    CreatePlaceholder {
+    /// Create a new Event Listener.
+    NewEventListener {
+        /// The name of the event to listen for.
+        event_name: &'a str,
+
+        /// The ID of the node to attach the listener to.
+        scope: ScopeId,
+
+        /// The ID of the node to attach the listener to.
         id: ElementId,
     },
 
-    AppendChildren {
-        m: usize,
+    /// Remove an existing Event Listener.
+    RemoveEventListener {
+        /// The ID of the node to remove.
+        id: ElementId,
+
+        /// The name of the event to remove.
+        event: &'a str,
     },
 }

packages/core/src/nodes.rs

@@ -1,8 +1,9 @@
-use crate::{any_props::AnyProps, arena::ElementId, ScopeId, ScopeState};
+use crate::{any_props::AnyProps, arena::ElementId, ScopeId, ScopeState, UiEvent};
 use std::{
     any::{Any, TypeId},
     cell::{Cell, RefCell},
     hash::Hasher,
+    rc::Rc,
 };
 
 pub type TemplateId = &'static str;
@@ -154,6 +155,27 @@ pub enum AttributeValue<'a> {
     None,
 }
 
+impl<'a> AttributeValue<'a> {
+    pub fn new_listener<T: 'static>(
+        cx: &'a ScopeState,
+        mut f: impl FnMut(UiEvent<T>) + 'a,
+    ) -> AttributeValue<'a> {
+        let f = cx.bump().alloc(move |a: &dyn Any| {
+            a.downcast_ref::<UiEvent<T>>()
+                .map(|a| f(a.clone()))
+                .unwrap_or_else(|| {
+                    panic!(
+                        "Expected UiEvent<{}>, got {:?}",
+                        std::any::type_name::<T>(),
+                        a
+                    )
+                })
+        }) as &mut dyn FnMut(&dyn Any);
+
+        AttributeValue::Listener(RefCell::new(f))
+    }
+}
+
 impl<'a> std::fmt::Debug for AttributeValue<'a> {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         match self {

packages/core/src/virtual_dom.rs

@@ -9,7 +9,7 @@ use crate::{
     nodes::{Template, TemplateId},
     scheduler::{SuspenseBoundary, SuspenseId},
     scopes::{ScopeId, ScopeState},
-    Attribute, AttributeValue, Element, EventPriority, Scope, SuspenseContext,
+    Attribute, AttributeValue, Element, EventPriority, Scope, SuspenseContext, UiEvent,
 };
 use futures_util::{pin_mut, FutureExt, StreamExt};
 use slab::Slab;
@@ -288,10 +288,10 @@ impl VirtualDom {
     ///
     ///
     ///
-    pub fn handle_event(
+    pub fn handle_event<T: 'static>(
         &mut self,
         name: &str,
-        event: &dyn Any,
+        data: Rc<T>,
         element: ElementId,
         bubbles: bool,
         priority: EventPriority,
@@ -304,6 +304,11 @@ impl VirtualDom {
         - send event to virtualdom
         */
 
+        let event = UiEvent {
+            bubble_state: std::cell::Cell::new(true),
+            data,
+        };
+
         let path = &self.elements[element.0];
         let template = unsafe { &*path.template };
         let dynamic = &template.dynamic_nodes[path.element];
@@ -339,7 +344,7 @@ impl VirtualDom {
 
         for listener in listeners {
             if let AttributeValue::Listener(listener) = &listener.value {
-                (listener.borrow_mut())(event)
+                (listener.borrow_mut())(&event.clone())
             }
         }
 

packages/desktop/Cargo.toml

@@ -20,7 +20,7 @@ serde = "1.0.136"
 serde_json = "1.0.79"
 thiserror = "1.0.30"
 log = "0.4.14"
-wry = { version = "0.20.2" }
+wry = { version = "0.22.0" }
 futures-channel = "0.3.21"
 tokio = { version = "1.16.1", features = [
     "sync",

packages/desktop/src/cfg.rs

@@ -27,7 +27,7 @@ type DropHandler = Box<dyn Fn(&Window, FileDropEvent) -> bool>;
 
 pub(crate) type WryProtocol = (
     String,
-    Box<dyn Fn(&HttpRequest) -> WryResult<HttpResponse> + 'static>,
+    Box<dyn Fn(&HttpRequest<Vec<u8>>) -> WryResult<HttpResponse<Vec<u8>>> + 'static>,
 );
 
 impl Config {
@@ -96,7 +96,7 @@ impl Config {
     /// Set a custom protocol
     pub fn with_custom_protocol<F>(mut self, name: String, handler: F) -> Self
     where
-        F: Fn(&HttpRequest) -> WryResult<HttpResponse> + 'static,
+        F: Fn(&HttpRequest<Vec<u8>>) -> WryResult<HttpResponse<Vec<u8>>> + 'static,
     {
         self.protocols.push((name, Box::new(handler)));
         self

packages/desktop/src/controller.rs

@@ -40,24 +40,23 @@ impl DesktopController {
                 .unwrap();
 
             runtime.block_on(async move {
+                println!("starting vdom");
+
                 let mut dom = VirtualDom::new_with_props(root, props);
 
                 let window_context = DesktopContext::new(desktop_context_proxy);
 
                 dom.base_scope().provide_context(window_context);
 
-                // // allow other proccesses to send the new rsx text to the @dioxusin ipc channel and recieve erros on the @dioxusout channel
-                // #[cfg(any(feature = "hot-reload", debug_assertions))]
-                // crate::hot_reload::init(&dom);
-
                 let edits = dom.rebuild();
-                let mut queue = edit_queue.lock().unwrap();
-
-                queue.push(serde_json::to_string(&edits.template_mutations).unwrap());
-                queue.push(serde_json::to_string(&edits.edits).unwrap());
 
-                // Make sure the window is ready for any new updates
-                proxy.send_event(UserWindowEvent::Update).unwrap();
+                {
+                    let mut queue = edit_queue.lock().unwrap();
+                    queue.push(serde_json::to_string(&edits.template_mutations).unwrap());
+                    queue.push(serde_json::to_string(&edits.edits).unwrap());
+                    proxy.send_event(UserWindowEvent::Update).unwrap();
+                    drop(queue);
+                }
 
                 loop {
                     // todo: add the channel of the event loop in
@@ -71,14 +70,18 @@ impl DesktopController {
                         ))
                         .await;
 
-                    let mut queue = edit_queue.lock().unwrap();
+                    {
+                        let mut queue = edit_queue.lock().unwrap();
 
-                    for edit in muts.template_mutations {
-                        queue.push(serde_json::to_string(&edit).unwrap());
-                    }
+                        for edit in muts.template_mutations {
+                            queue.push(serde_json::to_string(&edit).unwrap());
+                        }
+
+                        for edit in muts.edits {
+                            queue.push(serde_json::to_string(&edit).unwrap());
+                        }
 
-                    for edit in muts.edits {
-                        queue.push(serde_json::to_string(&edit).unwrap());
+                        drop(queue);
                     }
 
                     let _ = proxy.send_event(UserWindowEvent::Update);
@@ -104,10 +107,16 @@ impl DesktopController {
 
     pub(super) fn try_load_ready_webviews(&mut self) {
         if self.is_ready.load(std::sync::atomic::Ordering::Relaxed) {
-            let mut queue = self.pending_edits.lock().unwrap();
+            let mut new_queue = Vec::new();
+
+            {
+                let mut queue = self.pending_edits.lock().unwrap();
+                std::mem::swap(&mut new_queue, &mut *queue);
+            }
+
             let (_id, view) = self.webviews.iter_mut().next().unwrap();
 
-            for edit in queue.drain(..) {
+            for edit in new_queue.drain(..) {
                 view.evaluate_script(&format!("window.interpreter.handleEdits({})", edit))
                     .unwrap();
             }

packages/desktop/src/desktop_context.rs

@@ -1,3 +1,5 @@
+use std::rc::Rc;
+
 use crate::controller::DesktopController;
 use dioxus_core::ScopeState;
 use wry::application::event_loop::ControlFlow;
@@ -15,6 +17,13 @@ pub fn use_window(cx: &ScopeState) -> &DesktopContext {
         .unwrap()
 }
 
+/// Get a closure that executes any JavaScript in the WebView context.
+pub fn use_eval(cx: &ScopeState) -> &Rc<dyn Fn(String)> {
+    let desktop = use_window(cx).clone();
+
+    &*cx.use_hook(|| Rc::new(move |script| desktop.eval(script)) as Rc<dyn Fn(String)>)
+}
+
 /// An imperative interface to the current window.
 ///
 /// To get a handle to the current window, use the [`use_window`] hook.
@@ -176,6 +185,8 @@ pub(super) fn handler(
     let webview = desktop.webviews.values().next().unwrap();
     let window = webview.window();
 
+    println!("user_event: {:?}", user_event);
+
     match user_event {
         Update => desktop.try_load_ready_webviews(),
         CloseWindow => *control_flow = ControlFlow::Exit,
@@ -227,10 +238,3 @@ pub(super) fn handler(
         }
     }
 }
-
-/// Get a closure that executes any JavaScript in the WebView context.
-pub fn use_eval<S: std::string::ToString>(cx: &ScopeState) -> &dyn Fn(S) {
-    let desktop = use_window(cx).clone();
-
-    cx.use_hook(|| move |script| desktop.eval(script))
-}

packages/desktop/src/lib.rs

@@ -105,19 +105,20 @@ pub fn launch_with_props<P: 'static + Send>(root: Component<P>, props: P, mut cf
 
     // We assume that if the icon is None, then the user just didnt set it
     if cfg.window.window.window_icon.is_none() {
-        cfg.window.window.window_icon = Some(
+        cfg.window = cfg.window.with_window_icon(Some(
             tao::window::Icon::from_rgba(
                 include_bytes!("./assets/default_icon.bin").to_vec(),
                 460,
                 460,
             )
             .expect("image parse failed"),
-        );
+        ));
     }
 
     event_loop.run(move |window_event, event_loop, control_flow| {
         *control_flow = ControlFlow::Wait;
 
+        // println!("window event: {:?}", window_event);
         match window_event {
             Event::NewEvents(StartCause::Init) => {
                 let builder = cfg.window.clone();
@@ -151,6 +152,7 @@ pub fn launch_with_props<P: 'static + Send>(root: Component<P>, props: P, mut cf
                                 }
                                 "initialize" => {
                                     is_ready.store(true, std::sync::atomic::Ordering::Relaxed);
+                                    println!("initializing...");
                                     let _ = proxy.send_event(UserWindowEvent::Update);
                                 }
                                 "browser_open" => {
@@ -179,6 +181,12 @@ pub fn launch_with_props<P: 'static + Send>(root: Component<P>, props: P, mut cf
                             index_file.clone(),
                         )
                     })
+                    // passing edits via the custom protocol is faster than using eval, maybe?
+                    .with_custom_protocol(String::from("edits"), move |r| {
+                        //
+                        // Ok(Response::body())
+                        todo!()
+                    })
                     .with_file_drop_handler(move |window, evet| {
                         file_handler
                             .as_ref()

packages/desktop/src/protocol.rs

@@ -1,6 +1,6 @@
 use std::path::{Path, PathBuf};
 use wry::{
-    http::{status::StatusCode, Request, Response, ResponseBuilder},
+    http::{status::StatusCode, Request, Response},
     Result,
 };
 
@@ -13,14 +13,14 @@ const MODULE_LOADER: &str = r#"
 "#;
 
 pub(super) fn desktop_handler(
-    request: &Request,
+    request: &Request<Vec<u8>>,
     asset_root: Option<PathBuf>,
     custom_head: Option<String>,
     custom_index: Option<String>,
-) -> Result<Response> {
+) -> Result<Response<Vec<u8>>> {
     // Any content that uses the `dioxus://` scheme will be shuttled through this handler as a "special case".
     // For now, we only serve two pieces of content which get included as bytes into the final binary.
-    let path = request.uri().replace("dioxus://", "");
+    let path = request.uri().to_string().replace("dioxus://", "");
 
     // all assets should be called from index.html
     let trimmed = path.trim_start_matches("index.html/");
@@ -32,7 +32,10 @@ pub(super) fn desktop_handler(
             let rendered = custom_index
                 .replace("</body>", &format!("{}</body>", MODULE_LOADER))
                 .into_bytes();
-            ResponseBuilder::new().mimetype("text/html").body(rendered)
+            Response::builder()
+                .header("Content-Type", "text/html")
+                .body(rendered)
+                .map_err(From::from)
         } else {
             // Otherwise, we'll serve the default index.html and apply a custom head if that's specified.
             let mut template = include_str!("./index.html").to_string();
@@ -41,14 +44,16 @@ pub(super) fn desktop_handler(
             }
             template = template.replace("<!-- MODULE LOADER -->", MODULE_LOADER);
 
-            ResponseBuilder::new()
-                .mimetype("text/html")
+            Response::builder()
+                .header("Content-Type", "text/html")
                 .body(template.into_bytes())
+                .map_err(From::from)
         }
     } else if trimmed == "index.js" {
-        ResponseBuilder::new()
-            .mimetype("text/javascript")
+        Response::builder()
+            .header("Content-Type", "text/javascript")
             .body(dioxus_interpreter_js::INTERPRETER_JS.as_bytes().to_vec())
+            .map_err(From::from)
     } else {
         let asset_root = asset_root
             .unwrap_or_else(|| get_asset_root().unwrap_or_else(|| Path::new(".").to_path_buf()))
@@ -57,20 +62,23 @@ pub(super) fn desktop_handler(
         let asset = asset_root.join(trimmed).canonicalize()?;
 
         if !asset.starts_with(asset_root) {
-            return ResponseBuilder::new()
+            return Response::builder()
                 .status(StatusCode::FORBIDDEN)
-                .body(String::from("Forbidden").into_bytes());
+                .body(String::from("Forbidden").into_bytes())
+                .map_err(From::from);
         }
 
         if !asset.exists() {
-            return ResponseBuilder::new()
+            return Response::builder()
                 .status(StatusCode::NOT_FOUND)
-                .body(String::from("Not Found").into_bytes());
+                .body(String::from("Not Found").into_bytes())
+                .map_err(From::from);
         }
 
-        ResponseBuilder::new()
-            .mimetype(get_mime_from_path(trimmed)?)
+        Response::builder()
+            .header("Content-Type", get_mime_from_path(trimmed)?)
             .body(std::fs::read(asset)?)
+            .map_err(From::from)
     }
 }
 

packages/dioxus/tests/rsx_syntax.rs

@@ -42,25 +42,25 @@ fn dual_stream() {
             AppendChildren { m: 1 },
             CreateElement { name: "div", namespace: None, id: ElementId(4) },
             CreateElement { name: "h1", namespace: None, id: ElementId(5) },
-            CreateText { value: "var" },
+            CreateTextNode { value: "var" },
             AppendChildren { m: 1 },
             CreateElement { name: "p", namespace: None, id: ElementId(6) },
-            CreateText { value: "you're great!" },
+            CreateTextNode { value: "you're great!" },
             AppendChildren { m: 1 },
             CreateElement { name: "div", namespace: None, id: ElementId(7) },
             SetAttribute { name: "background-color", value: "red", id: ElementId(7) },
             CreateElement { name: "h1", namespace: None, id: ElementId(8) },
-            CreateText { value: "var" },
+            CreateTextNode { value: "var" },
             AppendChildren { m: 1 },
             CreateElement { name: "div", namespace: None, id: ElementId(9) },
             CreateElement { name: "b", namespace: None, id: ElementId(10) },
-            CreateText { value: "asd" },
+            CreateTextNode { value: "asd" },
             AppendChildren { m: 1 },
-            CreateText { value: "not great" },
+            CreateTextNode { value: "not great" },
             AppendChildren { m: 2 },
             AppendChildren { m: 2 },
             CreateElement { name: "p", namespace: None, id: ElementId(11) },
-            CreateText { value: "you're great!" },
+            CreateTextNode { value: "you're great!" },
             AppendChildren { m: 1 },
             AppendChildren { m: 4 },
             AppendChildren { m: 2 },

packages/html/src/events.rs

@@ -12,7 +12,13 @@ macro_rules! impl_event {
         $(
             $( #[$attr] )*
             pub fn $name<'a>(_cx: &'a ::dioxus_core::ScopeState, _f: impl FnMut(::dioxus_core::UiEvent<$data>) + 'a) -> ::dioxus_core::Attribute<'a> {
-                todo!()
+                ::dioxus_core::Attribute {
+                    name: stringify!($name),
+                    value: ::dioxus_core::AttributeValue::new_listener(_cx, _f),
+                    namespace: None,
+                    mounted_element: Default::default(),
+                    volatile: false,
+                }
             }
         )*
     };

packages/interpreter/src/interpreter.js

@@ -53,160 +53,110 @@ class ListenerMap {
       element.removeEventListener(event_name, handler);
     }
   }
+
+  removeAllNonBubbling(element) {
+    const id = element.getAttribute("data-dioxus-id");
+    delete this.local[id];
+  }
 }
 
 export class Interpreter {
   constructor(root) {
     this.root = root;
-    this.lastNode = root;
+    this.stack = [root];
     this.listeners = new ListenerMap(root);
     this.handlers = {};
+    this.lastNodeWasText = false;
     this.nodes = [root];
-    this.parents = [];
-  }
-  checkAppendParent() {
-    if (this.parents.length > 0) {
-      const lastParent = this.parents[this.parents.length - 1];
-      lastParent[1]--;
-      if (lastParent[1] === 0) {
-        this.parents.pop();
-      }
-      lastParent[0].appendChild(this.lastNode);
-    }
+    this.templates = {};
   }
-  AppendChildren(root, children) {
-    let node;
-    if (root == null) {
-      node = this.lastNode;
-    } else {
-      node = this.nodes[root];
-    }
-    for (let i = 0; i < children.length; i++) {
-      node.appendChild(this.nodes[children[i]]);
-    }
+  top() {
+    return this.stack[this.stack.length - 1];
   }
-  ReplaceWith(root, nodes) {
-    let node;
-    if (root == null) {
-      node = this.lastNode;
-    } else {
-      node = this.nodes[root];
-    }
-    let els = [];
-    for (let i = 0; i < nodes.length; i++) {
-      els.push(this.nodes[nodes[i]])
-    }
-    node.replaceWith(...els);
+  pop() {
+    return this.stack.pop();
   }
-  InsertAfter(root, nodes) {
-    let node;
-    if (root == null) {
-      node = this.lastNode;
-    } else {
-      node = this.nodes[root];
-    }
-    let els = [];
-    for (let i = 0; i < nodes.length; i++) {
-      els.push(this.nodes[nodes[i]])
-    }
-    node.after(...els);
+  SetNode(id, node) {
+    this.nodes[id] = node;
   }
-  InsertBefore(root, nodes) {
-    let node;
-    if (root == null) {
-      node = this.lastNode;
-    } else {
-      node = this.nodes[root];
+  PushRoot(root) {
+    const node = this.nodes[root];
+    this.stack.push(node);
+  }
+  PopRoot() {
+    this.stack.pop();
+  }
+  AppendChildren(many) {
+    let root = this.stack[this.stack.length - (1 + many)];
+    let to_add = this.stack.splice(this.stack.length - many);
+    for (let i = 0; i < many; i++) {
+      root.appendChild(to_add[i]);
     }
-    let els = [];
-    for (let i = 0; i < nodes.length; i++) {
-      els.push(this.nodes[nodes[i]])
+  }
+  ReplaceWith(root_id, m) {
+    let root = this.nodes[root_id];
+    let els = this.stack.splice(this.stack.length - m);
+    if (is_element_node(root.nodeType)) {
+      this.listeners.removeAllNonBubbling(root);
     }
-    node.before(...els);
+    root.replaceWith(...els);
+  }
+  InsertAfter(root, n) {
+    let old = this.nodes[root];
+    let new_nodes = this.stack.splice(this.stack.length - n);
+    old.after(...new_nodes);
+  }
+  InsertBefore(root, n) {
+    let old = this.nodes[root];
+    let new_nodes = this.stack.splice(this.stack.length - n);
+    old.before(...new_nodes);
   }
   Remove(root) {
-    let node;
-    if (root == null) {
-      node = this.lastNode;
-    } else {
-      node = this.nodes[root];
-    }
+    let node = this.nodes[root];
     if (node !== undefined) {
+      if (is_element_node(node)) {
+        this.listeners.removeAllNonBubbling(node);
+      }
       node.remove();
     }
   }
   CreateTextNode(text, root) {
-    this.lastNode = document.createTextNode(text);
-    this.checkAppendParent();
-    if (root != null) {
-      this.nodes[root] = this.lastNode;
-    }
+    const node = document.createTextNode(text);
+    this.nodes[root] = node;
+    this.stack.push(node);
   }
-  CreateElement(tag, root, children) {
-    this.lastNode = document.createElement(tag);
-    this.checkAppendParent();
-    if (root != null) {
-      this.nodes[root] = this.lastNode;
-    }
-    if (children > 0) {
-      this.parents.push([this.lastNode, children]);
-    }
+  CreateElement(tag, root) {
+    const el = document.createElement(tag);
+    this.nodes[root] = el;
+    this.stack.push(el);
   }
-  CreateElementNs(tag, root, ns, children) {
-    this.lastNode = document.createElementNS(ns, tag);
-    this.checkAppendParent();
-    if (root != null) {
-      this.nodes[root] = this.lastNode;
-    }
-    if (children > 0) {
-      this.parents.push([this.lastNode, children]);
-    }
+  CreateElementNs(tag, root, ns) {
+    let el = document.createElementNS(ns, tag);
+    this.stack.push(el);
+    this.nodes[root] = el;
   }
   CreatePlaceholder(root) {
-    this.lastNode = document.createElement("pre");
-    this.lastNode.hidden = true;
-    this.checkAppendParent();
-    if (root != null) {
-      this.nodes[root] = this.lastNode;
-    }
+    let el = document.createElement("pre");
+    el.hidden = true;
+    this.stack.push(el);
+    this.nodes[root] = el;
   }
   NewEventListener(event_name, root, handler, bubbles) {
-    let node;
-    if (root == null) {
-      node = this.lastNode;
-    } else {
-      node = this.nodes[root];
-    }
-    node.setAttribute("data-dioxus-id", `${root}`);
-    this.listeners.create(event_name, node, handler, bubbles);
+    const element = this.nodes[root];
+    element.setAttribute("data-dioxus-id", `${root}`);
+    this.listeners.create(event_name, element, handler, bubbles);
   }
   RemoveEventListener(root, event_name, bubbles) {
-    let node;
-    if (root == null) {
-      node = this.lastNode;
-    } else {
-      node = this.nodes[root];
-    }
-    node.removeAttribute(`data-dioxus-id`);
-    this.listeners.remove(node, event_name, bubbles);
+    const element = this.nodes[root];
+    element.removeAttribute(`data-dioxus-id`);
+    this.listeners.remove(element, event_name, bubbles);
   }
   SetText(root, text) {
-    let node;
-    if (root == null) {
-      node = this.lastNode;
-    } else {
-      node = this.nodes[root];
-    }
-    node.data = text;
+    this.nodes[root].textContent = text;
   }
   SetAttribute(root, field, value, ns) {
     const name = field;
-    let node;
-    if (root == null) {
-      node = this.lastNode;
-    } else {
-      node = this.nodes[root];
-    }
+    const node = this.nodes[root];
     if (ns === "style") {
       // @ts-ignore
       node.style[name] = value;
@@ -240,12 +190,7 @@ export class Interpreter {
   }
   RemoveAttribute(root, field, ns) {
     const name = field;
-    let node;
-    if (root == null) {
-      node = this.lastNode;
-    } else {
-      node = this.nodes[root];
-    }
+    const node = this.nodes[root];
     if (ns == "style") {
       node.style.removeProperty(name);
     } else if (ns !== null || ns !== undefined) {
@@ -262,87 +207,95 @@ export class Interpreter {
       node.removeAttribute(name);
     }
   }
-  CloneNode(old, new_id) {
-    let node;
-    if (old === null) {
-      node = this.lastNode;
-    } else {
-      node = this.nodes[old];
-    }
-    this.nodes[new_id] = node.cloneNode(true);
-  }
-  CloneNodeChildren(old, new_ids) {
-    let node;
-    if (old === null) {
-      node = this.lastNode;
-    } else {
-      node = this.nodes[old];
-    }
-    const old_node = node.cloneNode(true);
-    let i = 0;
-    for (let node = old_node.firstChild; i < new_ids.length; node = node.nextSibling) {
-      this.nodes[new_ids[i++]] = node;
+  handleEdits(edits) {
+    console.log("handling edits", edits);
+
+    for (let edit of edits) {
+      this.handleEdit(edit);
+      console.log(this.stack);
     }
+
+    console.log(this.stack);
   }
-  FirstChild() {
-    this.lastNode = this.lastNode.firstChild;
-  }
-  NextSibling() {
-    this.lastNode = this.lastNode.nextSibling;
+  AssignId(path, id) {
+    this.nodes[id] = this.LoadChild(path);
   }
-  ParentNode() {
-    this.lastNode = this.lastNode.parentNode;
+  LoadChild(path) {
+    // iterate through each number and get that child
+    let node = this.stack[this.stack.length - 1];
+
+    for (let i = 0; i < path.length; i++) {
+      node = node.childNodes[path[i]];
+    }
+
+    return node;
   }
-  StoreWithId(id) {
-    this.nodes[id] = this.lastNode;
+  HydrateText(path, value, id) {
+    let node = this.LoadChild(path);
+    node.textContent = value;
+    this.nodes[id] = node;
   }
-  SetLastNode(root) {
-    this.lastNode = this.nodes[root];
+  LoadTemplate(name, index) {
+    console.log("loading template", name, index);
+    let node = this.templates[name][index].cloneNode(true);
+    this.stack.push(node);
   }
-  handleEdits(edits) {
-    for (let edit of edits) {
-      this.handleEdit(edit);
-    }
+  SaveTemplate(name, m) {
+    this.templates[name] = this.stack.splice(-m);
   }
   handleEdit(edit) {
+    console.log("handling edit", edit);
     switch (edit.type) {
-      case "PushRoot":
-        this.PushRoot(edit.root);
-        break;
       case "AppendChildren":
-        this.AppendChildren(edit.root, edit.children);
+        this.AppendChildren(edit.m);
+        break;
+      case "AssignId":
+        this.AssignId(edit.path, edit.id);
+        break;
+      case "CreateElement":
+        this.CreateElement(edit.name, edit.id);
+        break;
+      case "CreatePlaceholder":
+        this.CreatePlaceholder(edit.id);
+        break;
+      case "CreateTextNode":
+        this.CreateTextNode(edit.value);
+        break;
+      case "HydrateText":
+        this.HydrateText(edit.path, edit.value, edit.id);
+        break;
+      case "PushRoot":
+        this.PushRoot(edit.id);
         break;
       case "ReplaceWith":
-        this.ReplaceWith(edit.root, edit.nodes);
+        this.ReplaceWith(edit.id, edit.m);
         break;
       case "InsertAfter":
-        this.InsertAfter(edit.root, edit.nodes);
+        this.InsertAfter(edit.id, edit.n);
         break;
       case "InsertBefore":
-        this.InsertBefore(edit.root, edit.nodes);
+        this.InsertBefore(edit.id, edit.n);
         break;
       case "Remove":
-        this.Remove(edit.root);
+        this.Remove(edit.id);
         break;
-      case "CreateTextNode":
-        this.CreateTextNode(edit.text, edit.root);
+      case "LoadTemplate":
+        this.LoadTemplate(edit.name, edit.index);
         break;
-      case "CreateElement":
-        this.CreateElement(edit.tag, edit.root, edit.children);
+      case "SaveTemplate":
+        this.SaveTemplate(edit.name, edit.m);
         break;
       case "CreateElementNs":
-        this.CreateElementNs(edit.tag, edit.root, edit.ns, edit.children);
-        break;
-      case "CreatePlaceholder":
-        this.CreatePlaceholder(edit.root);
+        this.CreateElementNs(edit.tag, edit.id, edit.ns);
         break;
       case "RemoveEventListener":
-        this.RemoveEventListener(edit.root, edit.event_name);
+        this.RemoveEventListener(edit.id, edit.event_name);
         break;
       case "NewEventListener":
         // this handler is only provided on desktop implementations since this
         // method is not used by the web implementation
         let handler = (event) => {
+
           let target = event.target;
           if (target != null) {
             let realId = target.getAttribute(`data-dioxus-id`);
@@ -421,48 +374,26 @@ export class Interpreter {
             if (realId === null) {
               return;
             }
-            realId = parseInt(realId);
             window.ipc.postMessage(
               serializeIpcMessage("user_event", {
                 event: edit.event_name,
-                mounted_dom_id: realId,
+                mounted_dom_id: parseInt(realId),
                 contents: contents,
               })
             );
           }
         };
-        this.NewEventListener(edit.event_name, edit.root, handler, event_bubbles(edit.event_name));
+        this.NewEventListener(edit.event_name, edit.id, handler, event_bubbles(edit.event_name));
 
         break;
       case "SetText":
-        this.SetText(edit.root, edit.text);
+        this.SetText(edit.id, edit.text);
         break;
       case "SetAttribute":
-        this.SetAttribute(edit.root, edit.field, edit.value, edit.ns);
+        this.SetAttribute(edit.id, edit.field, edit.value, edit.ns);
         break;
       case "RemoveAttribute":
-        this.RemoveAttribute(edit.root, edit.name, edit.ns);
-        break;
-      case "CloneNode":
-        this.CloneNode(edit.id, edit.new_id);
-        break;
-      case "CloneNodeChildren":
-        this.CloneNodeChildren(edit.id, edit.new_ids);
-        break;
-      case "FirstChild":
-        this.FirstChild();
-        break;
-      case "NextSibling":
-        this.NextSibling();
-        break;
-      case "ParentNode":
-        this.ParentNode();
-        break;
-      case "StoreWithId":
-        this.StoreWithId(BigInt(edit.id));
-        break;
-      case "SetLastNode":
-        this.SetLastNode(BigInt(edit.id));
+        this.RemoveAttribute(edit.id, edit.name, edit.ns);
         break;
     }
   }
@@ -941,4 +872,4 @@ function event_bubbles(event) {
     case "toggle":
       return true;
   }
-}
+}

packages/interpreter/src/interpreter.old.js

@@ -0,0 +1,944 @@
+export function main() {
+  let root = window.document.getElementById("main");
+  if (root != null) {
+    window.interpreter = new Interpreter(root);
+    window.ipc.postMessage(serializeIpcMessage("initialize"));
+  }
+}
+
+class ListenerMap {
+  constructor(root) {
+    // bubbling events can listen at the root element
+    this.global = {};
+    // non bubbling events listen at the element the listener was created at
+    this.local = {};
+    this.root = root;
+  }
+
+  create(event_name, element, handler, bubbles) {
+    if (bubbles) {
+      if (this.global[event_name] === undefined) {
+        this.global[event_name] = {};
+        this.global[event_name].active = 1;
+        this.global[event_name].callback = handler;
+        this.root.addEventListener(event_name, handler);
+      } else {
+        this.global[event_name].active++;
+      }
+    }
+    else {
+      const id = element.getAttribute("data-dioxus-id");
+      if (!this.local[id]) {
+        this.local[id] = {};
+      }
+      this.local[id][event_name] = handler;
+      element.addEventListener(event_name, handler);
+    }
+  }
+
+  remove(element, event_name, bubbles) {
+    if (bubbles) {
+      this.global[event_name].active--;
+      if (this.global[event_name].active === 0) {
+        this.root.removeEventListener(event_name, this.global[event_name].callback);
+        delete this.global[event_name];
+      }
+    }
+    else {
+      const id = element.getAttribute("data-dioxus-id");
+      delete this.local[id][event_name];
+      if (this.local[id].length === 0) {
+        delete this.local[id];
+      }
+      element.removeEventListener(event_name, handler);
+    }
+  }
+}
+
+export class Interpreter {
+  constructor(root) {
+    this.root = root;
+    this.lastNode = root;
+    this.listeners = new ListenerMap(root);
+    this.handlers = {};
+    this.nodes = [root];
+    this.parents = [];
+  }
+  checkAppendParent() {
+    if (this.parents.length > 0) {
+      const lastParent = this.parents[this.parents.length - 1];
+      lastParent[1]--;
+      if (lastParent[1] === 0) {
+        this.parents.pop();
+      }
+      lastParent[0].appendChild(this.lastNode);
+    }
+  }
+  AppendChildren(root, children) {
+    let node;
+    if (root == null) {
+      node = this.lastNode;
+    } else {
+      node = this.nodes[root];
+    }
+    for (let i = 0; i < children.length; i++) {
+      node.appendChild(this.nodes[children[i]]);
+    }
+  }
+  ReplaceWith(root, nodes) {
+    let node;
+    if (root == null) {
+      node = this.lastNode;
+    } else {
+      node = this.nodes[root];
+    }
+    let els = [];
+    for (let i = 0; i < nodes.length; i++) {
+      els.push(this.nodes[nodes[i]])
+    }
+    node.replaceWith(...els);
+  }
+  InsertAfter(root, nodes) {
+    let node;
+    if (root == null) {
+      node = this.lastNode;
+    } else {
+      node = this.nodes[root];
+    }
+    let els = [];
+    for (let i = 0; i < nodes.length; i++) {
+      els.push(this.nodes[nodes[i]])
+    }
+    node.after(...els);
+  }
+  InsertBefore(root, nodes) {
+    let node;
+    if (root == null) {
+      node = this.lastNode;
+    } else {
+      node = this.nodes[root];
+    }
+    let els = [];
+    for (let i = 0; i < nodes.length; i++) {
+      els.push(this.nodes[nodes[i]])
+    }
+    node.before(...els);
+  }
+  Remove(root) {
+    let node;
+    if (root == null) {
+      node = this.lastNode;
+    } else {
+      node = this.nodes[root];
+    }
+    if (node !== undefined) {
+      node.remove();
+    }
+  }
+  CreateTextNode(text, root) {
+    this.lastNode = document.createTextNode(text);
+    this.checkAppendParent();
+    if (root != null) {
+      this.nodes[root] = this.lastNode;
+    }
+  }
+  CreateElement(tag, root, children) {
+    this.lastNode = document.createElement(tag);
+    this.checkAppendParent();
+    if (root != null) {
+      this.nodes[root] = this.lastNode;
+    }
+    if (children > 0) {
+      this.parents.push([this.lastNode, children]);
+    }
+  }
+  CreateElementNs(tag, root, ns, children) {
+    this.lastNode = document.createElementNS(ns, tag);
+    this.checkAppendParent();
+    if (root != null) {
+      this.nodes[root] = this.lastNode;
+    }
+    if (children > 0) {
+      this.parents.push([this.lastNode, children]);
+    }
+  }
+  CreatePlaceholder(root) {
+    this.lastNode = document.createElement("pre");
+    this.lastNode.hidden = true;
+    this.checkAppendParent();
+    if (root != null) {
+      this.nodes[root] = this.lastNode;
+    }
+  }
+  NewEventListener(event_name, root, handler, bubbles) {
+    let node;
+    if (root == null) {
+      node = this.lastNode;
+    } else {
+      node = this.nodes[root];
+    }
+    node.setAttribute("data-dioxus-id", `${root}`);
+    this.listeners.create(event_name, node, handler, bubbles);
+  }
+  RemoveEventListener(root, event_name, bubbles) {
+    let node;
+    if (root == null) {
+      node = this.lastNode;
+    } else {
+      node = this.nodes[root];
+    }
+    node.removeAttribute(`data-dioxus-id`);
+    this.listeners.remove(node, event_name, bubbles);
+  }
+  SetText(root, text) {
+    let node;
+    if (root == null) {
+      node = this.lastNode;
+    } else {
+      node = this.nodes[root];
+    }
+    node.data = text;
+  }
+  SetAttribute(root, field, value, ns) {
+    const name = field;
+    let node;
+    if (root == null) {
+      node = this.lastNode;
+    } else {
+      node = this.nodes[root];
+    }
+    if (ns === "style") {
+      // @ts-ignore
+      node.style[name] = value;
+    } else if (ns != null || ns != undefined) {
+      node.setAttributeNS(ns, name, value);
+    } else {
+      switch (name) {
+        case "value":
+          if (value !== node.value) {
+            node.value = value;
+          }
+          break;
+        case "checked":
+          node.checked = value === "true";
+          break;
+        case "selected":
+          node.selected = value === "true";
+          break;
+        case "dangerous_inner_html":
+          node.innerHTML = value;
+          break;
+        default:
+          // https://github.com/facebook/react/blob/8b88ac2592c5f555f315f9440cbb665dd1e7457a/packages/react-dom/src/shared/DOMProperty.js#L352-L364
+          if (value === "false" && bool_attrs.hasOwnProperty(name)) {
+            node.removeAttribute(name);
+          } else {
+            node.setAttribute(name, value);
+          }
+      }
+    }
+  }
+  RemoveAttribute(root, field, ns) {
+    const name = field;
+    let node;
+    if (root == null) {
+      node = this.lastNode;
+    } else {
+      node = this.nodes[root];
+    }
+    if (ns == "style") {
+      node.style.removeProperty(name);
+    } else if (ns !== null || ns !== undefined) {
+      node.removeAttributeNS(ns, name);
+    } else if (name === "value") {
+      node.value = "";
+    } else if (name === "checked") {
+      node.checked = false;
+    } else if (name === "selected") {
+      node.selected = false;
+    } else if (name === "dangerous_inner_html") {
+      node.innerHTML = "";
+    } else {
+      node.removeAttribute(name);
+    }
+  }
+  CloneNode(old, new_id) {
+    let node;
+    if (old === null) {
+      node = this.lastNode;
+    } else {
+      node = this.nodes[old];
+    }
+    this.nodes[new_id] = node.cloneNode(true);
+  }
+  CloneNodeChildren(old, new_ids) {
+    let node;
+    if (old === null) {
+      node = this.lastNode;
+    } else {
+      node = this.nodes[old];
+    }
+    const old_node = node.cloneNode(true);
+    let i = 0;
+    for (let node = old_node.firstChild; i < new_ids.length; node = node.nextSibling) {
+      this.nodes[new_ids[i++]] = node;
+    }
+  }
+  FirstChild() {
+    this.lastNode = this.lastNode.firstChild;
+  }
+  NextSibling() {
+    this.lastNode = this.lastNode.nextSibling;
+  }
+  ParentNode() {
+    this.lastNode = this.lastNode.parentNode;
+  }
+  StoreWithId(id) {
+    this.nodes[id] = this.lastNode;
+  }
+  SetLastNode(root) {
+    this.lastNode = this.nodes[root];
+  }
+  handleEdits(edits) {
+    for (let edit of edits) {
+      this.handleEdit(edit);
+    }
+  }
+  handleEdit(edit) {
+    switch (edit.type) {
+      case "PushRoot":
+        this.PushRoot(edit.root);
+        break;
+      case "AppendChildren":
+        this.AppendChildren(edit.root, edit.children);
+        break;
+      case "ReplaceWith":
+        this.ReplaceWith(edit.root, edit.nodes);
+        break;
+      case "InsertAfter":
+        this.InsertAfter(edit.root, edit.nodes);
+        break;
+      case "InsertBefore":
+        this.InsertBefore(edit.root, edit.nodes);
+        break;
+      case "Remove":
+        this.Remove(edit.root);
+        break;
+      case "CreateTextNode":
+        this.CreateTextNode(edit.text, edit.root);
+        break;
+      case "CreateElement":
+        this.CreateElement(edit.tag, edit.root, edit.children);
+        break;
+      case "CreateElementNs":
+        this.CreateElementNs(edit.tag, edit.root, edit.ns, edit.children);
+        break;
+      case "CreatePlaceholder":
+        this.CreatePlaceholder(edit.root);
+        break;
+      case "RemoveEventListener":
+        this.RemoveEventListener(edit.root, edit.event_name);
+        break;
+      case "NewEventListener":
+        // this handler is only provided on desktop implementations since this
+        // method is not used by the web implementation
+        let handler = (event) => {
+          let target = event.target;
+          if (target != null) {
+            let realId = target.getAttribute(`data-dioxus-id`);
+            let shouldPreventDefault = target.getAttribute(
+              `dioxus-prevent-default`
+            );
+
+            if (event.type === "click") {
+              // todo call prevent default if it's the right type of event
+              if (shouldPreventDefault !== `onclick`) {
+                if (target.tagName === "A") {
+                  event.preventDefault();
+                  const href = target.getAttribute("href");
+                  if (href !== "" && href !== null && href !== undefined) {
+                    window.ipc.postMessage(
+                      serializeIpcMessage("browser_open", { href })
+                    );
+                  }
+                }
+              }
+
+              // also prevent buttons from submitting
+              if (target.tagName === "BUTTON" && event.type == "submit") {
+                event.preventDefault();
+              }
+            }
+            // walk the tree to find the real element
+            while (realId == null) {
+              // we've reached the root we don't want to send an event
+              if (target.parentElement === null) {
+                return;
+              }
+
+              target = target.parentElement;
+              realId = target.getAttribute(`data-dioxus-id`);
+            }
+
+            shouldPreventDefault = target.getAttribute(
+              `dioxus-prevent-default`
+            );
+
+            let contents = serialize_event(event);
+
+            if (shouldPreventDefault === `on${event.type}`) {
+              event.preventDefault();
+            }
+
+            if (event.type === "submit") {
+              event.preventDefault();
+            }
+
+            if (
+              target.tagName === "FORM" &&
+              (event.type === "submit" || event.type === "input")
+            ) {
+              for (let x = 0; x < target.elements.length; x++) {
+                let element = target.elements[x];
+                let name = element.getAttribute("name");
+                if (name != null) {
+                  if (element.getAttribute("type") === "checkbox") {
+                    // @ts-ignore
+                    contents.values[name] = element.checked ? "true" : "false";
+                  } else if (element.getAttribute("type") === "radio") {
+                    if (element.checked) {
+                      contents.values[name] = element.value;
+                    }
+                  } else {
+                    // @ts-ignore
+                    contents.values[name] =
+                      element.value ?? element.textContent;
+                  }
+                }
+              }
+            }
+
+            if (realId === null) {
+              return;
+            }
+            realId = parseInt(realId);
+            window.ipc.postMessage(
+              serializeIpcMessage("user_event", {
+                event: edit.event_name,
+                mounted_dom_id: realId,
+                contents: contents,
+              })
+            );
+          }
+        };
+        this.NewEventListener(edit.event_name, edit.root, handler, event_bubbles(edit.event_name));
+
+        break;
+      case "SetText":
+        this.SetText(edit.root, edit.text);
+        break;
+      case "SetAttribute":
+        this.SetAttribute(edit.root, edit.field, edit.value, edit.ns);
+        break;
+      case "RemoveAttribute":
+        this.RemoveAttribute(edit.root, edit.name, edit.ns);
+        break;
+      case "CloneNode":
+        this.CloneNode(edit.id, edit.new_id);
+        break;
+      case "CloneNodeChildren":
+        this.CloneNodeChildren(edit.id, edit.new_ids);
+        break;
+      case "FirstChild":
+        this.FirstChild();
+        break;
+      case "NextSibling":
+        this.NextSibling();
+        break;
+      case "ParentNode":
+        this.ParentNode();
+        break;
+      case "StoreWithId":
+        this.StoreWithId(BigInt(edit.id));
+        break;
+      case "SetLastNode":
+        this.SetLastNode(BigInt(edit.id));
+        break;
+    }
+  }
+}
+
+export function serialize_event(event) {
+  switch (event.type) {
+    case "copy":
+    case "cut":
+    case "past": {
+      return {};
+    }
+    case "compositionend":
+    case "compositionstart":
+    case "compositionupdate": {
+      let { data } = event;
+      return {
+        data,
+      };
+    }
+    case "keydown":
+    case "keypress":
+    case "keyup": {
+      let {
+        charCode,
+        key,
+        altKey,
+        ctrlKey,
+        metaKey,
+        keyCode,
+        shiftKey,
+        location,
+        repeat,
+        which,
+        code,
+      } = event;
+      return {
+        char_code: charCode,
+        key: key,
+        alt_key: altKey,
+        ctrl_key: ctrlKey,
+        meta_key: metaKey,
+        key_code: keyCode,
+        shift_key: shiftKey,
+        location: location,
+        repeat: repeat,
+        which: which,
+        code,
+      };
+    }
+    case "focus":
+    case "blur": {
+      return {};
+    }
+    case "change": {
+      let target = event.target;
+      let value;
+      if (target.type === "checkbox" || target.type === "radio") {
+        value = target.checked ? "true" : "false";
+      } else {
+        value = target.value ?? target.textContent;
+      }
+      return {
+        value: value,
+        values: {},
+      };
+    }
+    case "input":
+    case "invalid":
+    case "reset":
+    case "submit": {
+      let target = event.target;
+      let value = target.value ?? target.textContent;
+
+      if (target.type === "checkbox") {
+        value = target.checked ? "true" : "false";
+      }
+
+      return {
+        value: value,
+        values: {},
+      };
+    }
+    case "click":
+    case "contextmenu":
+    case "doubleclick":
+    case "dblclick":
+    case "drag":
+    case "dragend":
+    case "dragenter":
+    case "dragexit":
+    case "dragleave":
+    case "dragover":
+    case "dragstart":
+    case "drop":
+    case "mousedown":
+    case "mouseenter":
+    case "mouseleave":
+    case "mousemove":
+    case "mouseout":
+    case "mouseover":
+    case "mouseup": {
+      const {
+        altKey,
+        button,
+        buttons,
+        clientX,
+        clientY,
+        ctrlKey,
+        metaKey,
+        offsetX,
+        offsetY,
+        pageX,
+        pageY,
+        screenX,
+        screenY,
+        shiftKey,
+      } = event;
+      return {
+        alt_key: altKey,
+        button: button,
+        buttons: buttons,
+        client_x: clientX,
+        client_y: clientY,
+        ctrl_key: ctrlKey,
+        meta_key: metaKey,
+        offset_x: offsetX,
+        offset_y: offsetY,
+        page_x: pageX,
+        page_y: pageY,
+        screen_x: screenX,
+        screen_y: screenY,
+        shift_key: shiftKey,
+      };
+    }
+    case "pointerdown":
+    case "pointermove":
+    case "pointerup":
+    case "pointercancel":
+    case "gotpointercapture":
+    case "lostpointercapture":
+    case "pointerenter":
+    case "pointerleave":
+    case "pointerover":
+    case "pointerout": {
+      const {
+        altKey,
+        button,
+        buttons,
+        clientX,
+        clientY,
+        ctrlKey,
+        metaKey,
+        pageX,
+        pageY,
+        screenX,
+        screenY,
+        shiftKey,
+        pointerId,
+        width,
+        height,
+        pressure,
+        tangentialPressure,
+        tiltX,
+        tiltY,
+        twist,
+        pointerType,
+        isPrimary,
+      } = event;
+      return {
+        alt_key: altKey,
+        button: button,
+        buttons: buttons,
+        client_x: clientX,
+        client_y: clientY,
+        ctrl_key: ctrlKey,
+        meta_key: metaKey,
+        page_x: pageX,
+        page_y: pageY,
+        screen_x: screenX,
+        screen_y: screenY,
+        shift_key: shiftKey,
+        pointer_id: pointerId,
+        width: width,
+        height: height,
+        pressure: pressure,
+        tangential_pressure: tangentialPressure,
+        tilt_x: tiltX,
+        tilt_y: tiltY,
+        twist: twist,
+        pointer_type: pointerType,
+        is_primary: isPrimary,
+      };
+    }
+    case "select": {
+      return {};
+    }
+    case "touchcancel":
+    case "touchend":
+    case "touchmove":
+    case "touchstart": {
+      const { altKey, ctrlKey, metaKey, shiftKey } = event;
+      return {
+        // changed_touches: event.changedTouches,
+        // target_touches: event.targetTouches,
+        // touches: event.touches,
+        alt_key: altKey,
+        ctrl_key: ctrlKey,
+        meta_key: metaKey,
+        shift_key: shiftKey,
+      };
+    }
+    case "scroll": {
+      return {};
+    }
+    case "wheel": {
+      const { deltaX, deltaY, deltaZ, deltaMode } = event;
+      return {
+        delta_x: deltaX,
+        delta_y: deltaY,
+        delta_z: deltaZ,
+        delta_mode: deltaMode,
+      };
+    }
+    case "animationstart":
+    case "animationend":
+    case "animationiteration": {
+      const { animationName, elapsedTime, pseudoElement } = event;
+      return {
+        animation_name: animationName,
+        elapsed_time: elapsedTime,
+        pseudo_element: pseudoElement,
+      };
+    }
+    case "transitionend": {
+      const { propertyName, elapsedTime, pseudoElement } = event;
+      return {
+        property_name: propertyName,
+        elapsed_time: elapsedTime,
+        pseudo_element: pseudoElement,
+      };
+    }
+    case "abort":
+    case "canplay":
+    case "canplaythrough":
+    case "durationchange":
+    case "emptied":
+    case "encrypted":
+    case "ended":
+    case "error":
+    case "loadeddata":
+    case "loadedmetadata":
+    case "loadstart":
+    case "pause":
+    case "play":
+    case "playing":
+    case "progress":
+    case "ratechange":
+    case "seeked":
+    case "seeking":
+    case "stalled":
+    case "suspend":
+    case "timeupdate":
+    case "volumechange":
+    case "waiting": {
+      return {};
+    }
+    case "toggle": {
+      return {};
+    }
+    default: {
+      return {};
+    }
+  }
+}
+function serializeIpcMessage(method, params = {}) {
+  return JSON.stringify({ method, params });
+}
+const bool_attrs = {
+  allowfullscreen: true,
+  allowpaymentrequest: true,
+  async: true,
+  autofocus: true,
+  autoplay: true,
+  checked: true,
+  controls: true,
+  default: true,
+  defer: true,
+  disabled: true,
+  formnovalidate: true,
+  hidden: true,
+  ismap: true,
+  itemscope: true,
+  loop: true,
+  multiple: true,
+  muted: true,
+  nomodule: true,
+  novalidate: true,
+  open: true,
+  playsinline: true,
+  readonly: true,
+  required: true,
+  reversed: true,
+  selected: true,
+  truespeed: true,
+};
+
+function is_element_node(node) {
+  return node.nodeType == 1;
+}
+
+function event_bubbles(event) {
+  switch (event) {
+    case "copy":
+      return true;
+    case "cut":
+      return true;
+    case "paste":
+      return true;
+    case "compositionend":
+      return true;
+    case "compositionstart":
+      return true;
+    case "compositionupdate":
+      return true;
+    case "keydown":
+      return true;
+    case "keypress":
+      return true;
+    case "keyup":
+      return true;
+    case "focus":
+      return false;
+    case "focusout":
+      return true;
+    case "focusin":
+      return true;
+    case "blur":
+      return false;
+    case "change":
+      return true;
+    case "input":
+      return true;
+    case "invalid":
+      return true;
+    case "reset":
+      return true;
+    case "submit":
+      return true;
+    case "click":
+      return true;
+    case "contextmenu":
+      return true;
+    case "doubleclick":
+      return true;
+    case "dblclick":
+      return true;
+    case "drag":
+      return true;
+    case "dragend":
+      return true;
+    case "dragenter":
+      return false;
+    case "dragexit":
+      return false;
+    case "dragleave":
+      return true;
+    case "dragover":
+      return true;
+    case "dragstart":
+      return true;
+    case "drop":
+      return true;
+    case "mousedown":
+      return true;
+    case "mouseenter":
+      return false;
+    case "mouseleave":
+      return false;
+    case "mousemove":
+      return true;
+    case "mouseout":
+      return true;
+    case "scroll":
+      return false;
+    case "mouseover":
+      return true;
+    case "mouseup":
+      return true;
+    case "pointerdown":
+      return true;
+    case "pointermove":
+      return true;
+    case "pointerup":
+      return true;
+    case "pointercancel":
+      return true;
+    case "gotpointercapture":
+      return true;
+    case "lostpointercapture":
+      return true;
+    case "pointerenter":
+      return false;
+    case "pointerleave":
+      return false;
+    case "pointerover":
+      return true;
+    case "pointerout":
+      return true;
+    case "select":
+      return true;
+    case "touchcancel":
+      return true;
+    case "touchend":
+      return true;
+    case "touchmove":
+      return true;
+    case "touchstart":
+      return true;
+    case "wheel":
+      return true;
+    case "abort":
+      return false;
+    case "canplay":
+      return false;
+    case "canplaythrough":
+      return false;
+    case "durationchange":
+      return false;
+    case "emptied":
+      return false;
+    case "encrypted":
+      return true;
+    case "ended":
+      return false;
+    case "error":
+      return false;
+    case "loadeddata":
+      return false;
+    case "loadedmetadata":
+      return false;
+    case "loadstart":
+      return false;
+    case "pause":
+      return false;
+    case "play":
+      return false;
+    case "playing":
+      return false;
+    case "progress":
+      return false;
+    case "ratechange":
+      return false;
+    case "seeked":
+      return false;
+    case "seeking":
+      return false;
+    case "stalled":
+      return false;
+    case "suspend":
+      return false;
+    case "timeupdate":
+      return false;
+    case "volumechange":
+      return false;
+    case "waiting":
+      return false;
+    case "animationstart":
+      return true;
+    case "animationend":
+      return true;
+    case "animationiteration":
+      return true;
+    case "transitionend":
+      return true;
+    case "toggle":
+      return true;
+  }
+}