add navbar close & min functionality

src/background/window.ts

@@ -31,6 +31,9 @@ let win: BrowserWindow | null;
 const windowMount = (): void => {
   backgroundMitt.emit('window-active', true);
   ipcMain.on('update-recorder', updateRecorder);
+    // handle renderer auth-token event
+    ipcMain.removeHandler('nav-bar'); // avoid setting duplicate handlers
+    ipcMain.handle('nav-bar', navBarHandler);
 }
 
 const windowDismount = (): void => {
@@ -87,3 +90,14 @@ export const createWindow = async (options: WindowSettings): Promise<void> => {
   });
 };
 
+// call this function on nav bar click
+function navBarHandler(_event, action: string) {
+    switch(action) {
+        case 'close':
+            if (win) win.close();
+            break;
+        case 'min':
+            if (win) win.minimize();
+            break;
+    }
+}