Drop method exported from WASM + removing leaks.

app/gui/src/lib.rs

@@ -64,6 +64,12 @@ extern crate core;
 
 use prelude::*;
 
+use wasm_bindgen::prelude::*;
+
+mod profile_workflow;
+#[cfg(test)]
+mod tests;
+
 
 // ==============
 // === Export ===
@@ -82,13 +88,9 @@ pub mod transport;
 
 pub use crate::ide::*;
 pub use engine_protocol;
+use enso_executor::web::EventLoopExecutor;
 pub use ide_view as view;
 
-
-
-#[cfg(test)]
-mod tests;
-
 /// Common types that should be visible across the whole IDE crate.
 pub mod prelude {
     pub use ast::prelude::*;
@@ -126,6 +128,12 @@ pub mod prelude {
     pub use wasm_bindgen_test::wasm_bindgen_test_configure;
 }
 
+
+
+// ====================
+// === Entry Points ===
+// ====================
+
 // These imports are required to have all entry points (such as examples) and `before_main`
 // functions (such as the dynamic-asset loader), available in the IDE.
 #[allow(unused_imports)]
@@ -136,13 +144,23 @@ mod imported_for_entry_points {
 }
 #[allow(unused_imports)]
 use imported_for_entry_points::*;
-mod profile_workflow;
 
 
 
-// ===================
-// === Entry Point ===
-// ===================
+// ====================
+// === Global State ===
+// ====================
+
+thread_local! {
+    static EXECUTOR: RefCell<Option<EventLoopExecutor>> = default();
+    static IDE: RefCell<Option<Result<Ide, FailedIde>>> = default();
+}
+
+
+
+// =======================
+// === IDE Entry Point ===
+// =======================
 
 /// IDE startup function.
 #[entry_point(ide)]
@@ -159,16 +177,37 @@ pub fn main() {
         "debug_mode_is_active",
         analytics::AnonymousData(debug_mode),
     );
-    let config =
-        crate::config::Startup::from_web_arguments().expect("Failed to read configuration");
-    let executor = crate::executor::setup_global_executor();
-    let initializer = crate::ide::initializer::Initializer::new(config);
+    let config = config::Startup::from_web_arguments().expect("Failed to read configuration");
+    let executor = executor::setup_global_executor();
+    EXECUTOR.with(move |global_executor| global_executor.replace(Some(executor)));
+    let initializer = Initializer::new(config);
     executor::global::spawn(async move {
         let ide = initializer.start().await;
         ensogl::system::web::document
             .get_element_by_id("loader")
             .map(|t| t.parent_node().map(|p| p.remove_child(&t).unwrap()));
-        std::mem::forget(ide);
+        IDE.with(move |global_ide| global_ide.replace(Some(ide)));
     });
-    std::mem::forget(executor);
+}
+
+
+
+// ================
+// === IDE Drop ===
+// ================
+
+/// Drop all structure created so far.
+///
+/// All connections will be closed and all visuals will be removed.
+#[wasm_bindgen]
+pub fn drop() {
+    IDE.with(RefCell::take);
+    EXECUTOR.with(RefCell::take);
+    leak_detector::TRACKED_OBJECTS.with(|objects| {
+        let objects = objects.borrow();
+        if !objects.is_empty() {
+            error!("Tracked objects leaked after dropping entire application!");
+            error!("{objects:#?}");
+        }
+    })
 }

app/gui/view/graph-editor/src/component/breadcrumbs.rs

@@ -413,7 +413,7 @@ impl display::Object for BreadcrumbsModel {
 #[derive(Debug, Clone, CloneRef)]
 #[allow(missing_docs)]
 pub struct Breadcrumbs {
-    model: Rc<BreadcrumbsModel>,
+    model: BreadcrumbsModel,
     frp:   Frp,
 }
 
@@ -422,7 +422,7 @@ impl Breadcrumbs {
     pub fn new(app: Application) -> Self {
         let scene = app.display.default_scene.clone_ref();
         let frp = Frp::new();
-        let model = Rc::new(BreadcrumbsModel::new(app, &frp));
+        let model = BreadcrumbsModel::new(app, &frp);
         let network = &frp.network;
 
         // === Breadcrumb selection ===
@@ -431,9 +431,8 @@ impl Breadcrumbs {
 
             // === Selecting ===
 
-            _breadcrumb_selection <- frp.select_breadcrumb.map(f!([model,frp](index)
-                frp.source.breadcrumb_select.emit(model.select_breadcrumb(*index));
-            ));
+            frp.source.breadcrumb_select <+
+                frp.select_breadcrumb.map(f!((index) model.select_breadcrumb(*index)));
 
 
             // === Stack Operations ===
@@ -485,14 +484,14 @@ impl Breadcrumbs {
 
             // === User Interaction ===
 
-            eval_ model.project_name.frp.output.mouse_down(frp.select_breadcrumb.emit(0));
-            eval_ frp.cancel_project_name_editing(model.project_name.frp.cancel_editing.emit(()));
-            eval_ frp.outside_press(model.project_name.frp.outside_press.emit(()));
+            frp.select_breadcrumb <+ model.project_name.frp.output.mouse_down.constant(0);
+            model.project_name.frp.cancel_editing <+ frp.cancel_project_name_editing;
+            model.project_name.frp.outside_press <+ frp.outside_press;
 
             popped_count <= frp.output.breadcrumb_select.map(|selected| (0..selected.0).collect_vec());
             local_calls  <= frp.output.breadcrumb_select.map(|selected| selected.1.clone());
-            eval_ popped_count(frp.source.breadcrumb_pop.emit(()));
-            eval local_calls((local_call) frp.source.breadcrumb_push.emit(local_call));
+            frp.source.breadcrumb_pop <+ popped_count.constant(());
+            frp.source.breadcrumb_push <+ local_calls;
 
 
             // === Select ===
@@ -507,8 +506,8 @@ impl Breadcrumbs {
 
             popped_count <= selected.map(|selected| (0..selected.0).collect_vec());
             local_calls  <= selected.map(|selected| selected.1.clone());
-            eval_ popped_count(frp.input.debug_pop_breadcrumb.emit(()));
-            eval local_calls((local_call) frp.input.debug_push_breadcrumb.emit(local_call));
+            frp.input.debug_pop_breadcrumb <+ popped_count.constant(());
+            frp.input.debug_push_breadcrumb <+ local_calls;
 
 
             // === Relayout ===

app/gui/view/graph-editor/src/component/node/growth_animation.rs

@@ -8,7 +8,7 @@
 use ensogl::prelude::*;
 
 use crate::application::command::FrpNetworkProvider;
-use crate::GraphEditorModelWithNetwork;
+use crate::GraphEditorModel;
 use crate::NodeId;
 
 use enso_frp as frp;
@@ -33,11 +33,7 @@ const ANIMATION_LENGTH_COEFFIENT: f32 = 15.0;
 
 /// Initialize edited node growth/shrink animator. It would handle scene layer change for the edited
 /// node as well.
-pub fn initialize_edited_node_animator(
-    model: &GraphEditorModelWithNetwork,
-    frp: &crate::Frp,
-    scene: &Scene,
-) {
+pub fn initialize_edited_node_animator(model: &GraphEditorModel, frp: &crate::Frp, scene: &Scene) {
     let network = &frp.network();
     let out = &frp.output;
     let searcher_cam = scene.layers.node_searcher.camera();
@@ -112,7 +108,7 @@ pub fn initialize_edited_node_animator(
 
 // === Helpers ===
 
-impl GraphEditorModelWithNetwork {
+impl GraphEditorModel {
     /// Move node to the `edited_node` scene layer, so that it is rendered by the separate camera.
     #[profile(Debug)]
     fn move_node_to_edited_node_layer(&self, node_id: NodeId) {