Improve and clean up panic dialog code and wasm wrapper (#368)

Part of #357

editor/src/communication/dispatcher.rs

@@ -53,7 +53,7 @@ impl Dispatcher {
 	}
 
 	pub fn collect_actions(&self) -> ActionList {
-		//TODO: reduce the number of heap allocations
+		// TODO: Reduce the number of heap allocations
 		let mut list = Vec::new();
 		list.extend(self.input_preprocessor.actions());
 		list.extend(self.input_mapper.actions());

editor/src/frontend/frontend_message_handler.rs

@@ -13,7 +13,7 @@ pub enum FrontendMessage {
 	SetActiveDocument { document_index: usize },
 	UpdateOpenDocumentsList { open_documents: Vec<String> },
 	DisplayError { title: String, description: String },
-	DisplayPanic { title: String, description: String },
+	DisplayPanic { panic_info: String, title: String, description: String },
 	DisplayConfirmationToCloseDocument { document_index: usize },
 	DisplayConfirmationToCloseAllDocuments,
 	UpdateCanvas { document: String },

editor/src/lib.rs

@@ -1,4 +1,4 @@
-// since our policy is tabs, we want to stop clippy from warning about that
+// Since our policy is tabs, we want to stop clippy from warning about that
 #![allow(clippy::tabs_in_doc_comments)]
 
 extern crate graphite_proc_macros;
@@ -6,34 +6,30 @@ extern crate graphite_proc_macros;
 mod communication;
 #[macro_use]
 pub mod misc;
+pub mod consts;
 mod document;
 mod frontend;
 mod global;
 pub mod input;
 pub mod tool;
 
-pub mod consts;
-
+#[doc(inline)]
+pub use graphene::color::Color;
+#[doc(inline)]
+pub use graphene::document::Document as SvgDocument;
+#[doc(inline)]
+pub use graphene::LayerId;
 #[doc(inline)]
 pub use misc::EditorError;
 
-#[doc(inline)]
-pub use graphene::color::Color;
-
-#[doc(inline)]
-pub use graphene::LayerId;
-
-#[doc(inline)]
-pub use graphene::document::Document as SvgDocument;
-
 use communication::dispatcher::Dispatcher;
+use message_prelude::*;
+
 // TODO: serialize with serde to save the current editor state
 pub struct Editor {
 	dispatcher: Dispatcher,
 }
 
-use message_prelude::*;
-
 impl Editor {
 	pub fn new() -> Self {
 		Self { dispatcher: Dispatcher::new() }
@@ -49,6 +45,12 @@ impl Editor {
 	}
 }
 
+impl Default for Editor {
+	fn default() -> Self {
+		Self::new()
+	}
+}
+
 pub mod message_prelude {
 	pub use crate::communication::generate_uuid;
 	pub use crate::communication::message::{AsMessage, Message, MessageDiscriminant};