Quit when closing window on macOS to prevent edge case

Author: tanx

public/electron.js

@@ -178,9 +178,7 @@ app.on('ready', () => {
 app.on('window-all-closed', () => {
   // On macOS it is common for applications and their menu bar
   // to stay active until the user quits explicitly with Cmd + Q
-  if (process.platform !== 'darwin') {
-    app.quit();
-  }
+  app.quit();
 });
 
 app.on('activate', () => {