[Typescript] Unknown compiler option 'exactOptionalPropertyTypes'. ts

typescript가 로컬 내에 최신 버전으로 업그레이드가 안되어있을 때 발생할 수 있다.

-g 옵션을 통해 컴퓨터 내의 typescript을 최신버전으로 업그레이드 해주자.

npm install -g typescript@latest

해결!!

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