Fixes #125: Main menu becoming empty when opening a dialog window

src/Apps/NetPad.Apps.App/App/src/core/@application/platforms/electron/services/electron-event-handler-background-service.ts

@@ -32,20 +32,25 @@ export class ElectronEventHandlerBackgroundService extends WithDisposables imple
     public start(): Promise<void> {
         const bootstrapChannel = new ChannelInfo("main-menu-bootstrap");
 
-        const sendBootstrapDataToMain = () => this.electronIpcGateway.send(bootstrapChannel, {
-            menuItems: this.mainMenuService?.items.map(i => this.mapToMenuItemDto(i))
-        });
+        const sendBootstrapDataToMain = () => {
+            // If no main menu service is registered for the app/window then don't send the event to main process
+            if (!this.mainMenuService) {
+                return;
+            }
 
-        this.addDisposable(
-            this.electronIpcGateway.subscribe(bootstrapChannel, (message, channel) => sendBootstrapDataToMain())
-        );
+            try {
+                this.electronIpcGateway.send(bootstrapChannel, {
+                    menuItems: this.mainMenuService.items.map(i => this.mapToMenuItemDto(i))
+                });
+            } catch (err) {
+                // ignore, Main process event handler might not be setup yet.
+            }
+        };
+
+        this.addDisposable(this.electronIpcGateway.subscribe(bootstrapChannel, () => sendBootstrapDataToMain()));
 
         // Send right away to take care of any race-condition that might occur.
-        try {
-            sendBootstrapDataToMain();
-        } catch (err) {
-            // ignore, Main process event handler might not be setup yet.
-        }
+        sendBootstrapDataToMain();
 
         return Promise.resolve();
     }
@@ -67,7 +72,7 @@ export class ElectronEventHandlerBackgroundService extends WithDisposables imple
     }
 
     private mapToShortcutDto(shortcut: Shortcut) {
-        return  {
+        return {
             name: shortcut.name,
             isEnabled: shortcut.isEnabled,
             keyCombo: shortcut.keyCombo.asArray

src/Apps/NetPad.Apps.App/ElectronHostHook/ui/main-menu/main-menu-manager.ts

@@ -16,14 +16,24 @@ export class MainMenuManager {
         const mainMenuBootstrapChannelName = "main-menu-bootstrap";
 
         const sendBootstrapEvent = () => {
-            const allBrowsers = BrowserWindow.getAllWindows();
+            let allBrowsers: Electron.BrowserWindow[];
 
-            if (allBrowsers.length < 1) {
-                console.warn(`There are no active browser windows to send '${mainMenuBootstrapChannelName}'`);
-                return;
+            try {
+                allBrowsers = BrowserWindow.getAllWindows();
+
+                if (allBrowsers.length < 1) {
+                    console.warn(`There are no active browser windows to send '${mainMenuBootstrapChannelName}'`);
+                    return;
+                }
+            } catch (err) {
+                console.error("Unexpected error evaluating browser windows: ", err);
             }
 
-            allBrowsers[0].webContents.send(mainMenuBootstrapChannelName);
+            try {
+                allBrowsers[0].webContents.send(mainMenuBootstrapChannelName);
+            } catch (err) {
+                // ignore, Renderer process event handler might not be setup yet.
+            }
         };
 
         ipcMain.handle(mainMenuBootstrapChannelName, (event, ...args) => {
@@ -37,11 +47,7 @@ export class MainMenuManager {
         ipcMain.handle("AppActivatedEvent", (event, ...args) => sendBootstrapEvent());
 
         // Send right away to take care of any race-condition that might occur.
-        try {
-            sendBootstrapEvent();
-        } catch (err) {
-            // ignore, Renderer process event handler might not be setup yet.
-        }
+        sendBootstrapEvent();
     }
 
     private static rebuildMenu() {