[npm] npm install error : code ERESOLVE ERESOLVE could not resolve

node.js + typescript 세팅 중 아래와 같은 에러가 발생

npm ERR! code ERESOLVE
npm ERR! ERESOLVE could not resolve
npm ERR! 
npm ERR! While resolving: ts-jest@27.1.3
npm ERR! Found: @types/jest@26.0.24
npm ERR! node_modules/@types/jest
npm ERR!   dev @types/jest@"^26.0.23" from the root project
npm ERR! 
npm ERR! Could not resolve dependency:
npm ERR! peerOptional @types/jest@"^27.0.0" from ts-jest@27.1.3
npm ERR! node_modules/ts-jest
npm ERR!   dev ts-jest@"^27.0.3" from the root project
npm ERR!

 

 

✨ 해결 방법

npm install <package.name> 마지막에 --save --legacy-peer-deps 태그 추가

npm install package.json --save --legacy-peer-deps

 

 

참고 : https://iancoding.tistory.com/154

[오류해결] npm install 설치시 npm ERR! code ERESOLVE