Opt: Use callback instead of timeout when closing window

webapp/packages/main/src/index.ts

@@ -102,8 +102,9 @@ const createWindow = async () => {
     mainWindow?.isMaximized() ? mainWindow?.restore() : mainWindow?.maximize();
   });
   ipcMain.on('window-close', function () {
-    alas.kill();
-    setTimeout(() => mainWindow?.close(), 500); // Wait taskkill to finish
+    alas.kill(function () {
+      mainWindow?.close();
+    })
   });
 
   // Tray

webapp/packages/main/src/pyshell.ts

@@ -21,8 +21,8 @@ export class PyShell extends PythonShell {
     return this;
   }
 
-  kill(): this {
-    treeKill(this.childProcess.pid, 'SIGTERM');
+  kill(callback: (...args: any[]) => void): this {
+    treeKill(this.childProcess.pid, 'SIGTERM', callback);
     return this;
   }
 }