Speed up IDE startup time.

Signed-off-by: Akos Kitta <a.kitta@arduino.cc>

arduino-ide-extension/src/browser/widgets/sketchbook/sketchbook-widget-contribution.ts

@@ -23,7 +23,10 @@ import {
   Disposable,
   DisposableCollection,
 } from '@theia/core/lib/common/disposable';
-import { SketchesServiceClientImpl } from '../../../common/protocol/sketches-service-client-impl';
+import {
+  CurrentSketch,
+  SketchesServiceClientImpl,
+} from '../../../common/protocol/sketches-service-client-impl';
 import { FileService } from '@theia/filesystem/lib/browser/file-service';
 import { URI } from '../../contributions/contribution';
 
@@ -95,7 +98,7 @@ export class SketchbookWidgetContribution
     return this.openView() as Promise<any>;
   }
 
-  registerCommands(registry: CommandRegistry): void {
+  override registerCommands(registry: CommandRegistry): void {
     super.registerCommands(registry);
 
     registry.registerCommand(SketchbookCommands.OPEN_NEW_WINDOW, {
@@ -142,7 +145,10 @@ export class SketchbookWidgetContribution
         // disable the "open sketch" command for the current sketch.
         // otherwise make the command clickable
         const currentSketch = await this.sketchServiceClient.currentSketch();
-        if (currentSketch && currentSketch.uri === arg.node.uri.toString()) {
+        if (
+          CurrentSketch.isValid(currentSketch) &&
+          currentSketch.uri === arg.node.uri.toString()
+        ) {
           const placeholder = new PlaceholderMenuNode(
             SKETCHBOOK__CONTEXT__MAIN_GROUP,
             SketchbookCommands.OPEN_NEW_WINDOW.label!
@@ -186,7 +192,7 @@ export class SketchbookWidgetContribution
     });
   }
 
-  registerMenus(registry: MenuModelRegistry): void {
+  override registerMenus(registry: MenuModelRegistry): void {
     super.registerMenus(registry);
 
     // unregister main menu action