Implement IndexedDB document auto-save (#422)

* removed all use of document indicies

* -add u64 support for wasm bridge

* fixed rust formating

* Cleaned up FrontendDocumentState in js-messages

* Tiny tweaks from code review

* - moved more of closeDocumentWithConfirmation to rust
- updated serde_wasm_bindgen to add feature flag

* working initial auto save impl

* auto save is a lifetime file

* - cargo fmt
- fixc error message
- move document version constant

* code review round 1

* generate seed for uuid in js when wasm is initialized

* Resolve PR feedback

* Further address PR feedback

* Fix failing test

Co-authored-by: Keavon Chambers <keavon@keavon.com>
Co-authored-by: otdavies <oliver@psyfer.io>

frontend/wasm/src/api.rs

@@ -175,11 +175,26 @@ impl JsEditorHandle {
 		self.dispatch(message);
 	}
 
+	pub fn open_auto_saved_document(&self, document_id: u64, document_name: String, document_is_saved: bool, document: String) {
+		let message = DocumentsMessage::OpenDocumentFileWithId {
+			document_id,
+			document_name,
+			document_is_saved,
+			document,
+		};
+		self.dispatch(message);
+	}
+
 	pub fn save_document(&self) {
 		let message = DocumentMessage::SaveDocument;
 		self.dispatch(message);
 	}
 
+	pub fn trigger_auto_save(&self, document_id: u64) {
+		let message = DocumentsMessage::AutoSaveDocument(document_id);
+		self.dispatch(message);
+	}
+
 	pub fn close_document(&self, document_id: u64) {
 		let message = DocumentsMessage::CloseDocument(document_id);
 		self.dispatch(message);
@@ -509,3 +524,8 @@ pub fn i32_max() -> i32 {
 pub fn i32_min() -> i32 {
 	i32::MIN
 }
+
+#[wasm_bindgen]
+pub fn set_random_seed(seed: u64) {
+	editor::communication::set_uuid_seed(seed)
+}