Please check out the [Playground](https://playground.oxc.rs/#eNpFjtENgzAMRFdB/kYdIAOwh0lNlSqxkW3aIsTuTaigX76zT++8QYQA2KF1yCv0IBA20IXbsJUdPxBcF+ohJ/ZTW5SZLrOWUfLpXJFtEi0QJsxGew8zqpEeRFk00pAyMZYKACfz29Ogphr/SFV9Qc5FlDs9qH1VTUmcpvQ/savkIcu7VbxIR7HK/rXv+xefgU/r) ```ts a as any ``` The above code should throw an error if TS doesn't enable, because `as` is not a keyword in JavaScript