This extension allows you to quickly open and switch Visual Studio Code used windows.
You need to install the macOS app SwitchV https://apps.apple.com/us/app/switchv/id1663612397 as well. And please follow https://code.visualstudio.com/docs/setup/mac#_launching-from-the-command-line to install code' command in PATH.
Then you can use SwitchV app like Spotlight to help you launch Visual Studio Code (VS Code) windows quickly, even if VS Code is launched. You can also add your favorite working folder to select an folder as a VS Code window.