install npm

> brew install nvm

npm 환경변수 설정

> mkdir ~/.nvm
> vim ~/.zshrc

- 수정모드로 전환
i

- 다음 내용 붙여넣기
export PATH="$PATH:$HOME/.rvm/bin"
export PATH="$PATH:/opt/homebrew/bin"
[ -s "/usr/local/opt/nvm/nvm.sh" ] && . "/usr/local/opt/nvm/nvm.sh"  # This loads nvm
[ -s "/usr/local/opt/nvm/etc/bash_completion.d/nvm" ] && . "/usr/local/opt/nvm/etc/bash_completion.d/nvm"  # This loads nvm bash_completion

- 수정모드 나가기
“esc”button

- 저장 및 vim 종료
:wq

> source ~/.bash_profile