React 시작하기

Yarn 설치

Yarn Install

$ yarn
yarn install v1.12.3
info No lockfile found.
[1/4] Resolving packages...
[2/4] Fetching packages...
[3/4] Linking dependencies...
[4/4] Building fresh packages...

success Saved lockfile.
Done in 0.16s.

$ yarn --version

Create React App 설치

$ npm insatll -g create-react-app

$ yarn global add create-react-app

Create React App 사용

$ create-react-app youwho-ver1.0

App 이름은 대문자를 사용할 수 없습니다.

$ cd youwho-ver1.0
$ yarn start