typescript typeof keyof 결과값

const MU = {
'rooney': 1,
'ronaldo': 2,
'jspark': 3,
'bruno': 4,
};

• const useTypeof: typeof MU;
  
• const useTypeofKeyof: keyof typeof MU;
  

typeof는 objects key값에 타입을 매핑시켜준다
keyof는 Object의 key들의 lieteral 값들을 가져온다

참고자료

• https://icerabbit.tistory.com/94
• https://engineering.linecorp.com/ko/blog/typescript-enum-tree-shaking/