react 로 프로젝트 생성

https://create-react-app.dev/docs/adding-typescript/

npx create-react-app my-app --template typescript

craco란 ?

https://craco.js.org/

https://abangpa1ace.tistory.com/entry/Craco-CracoCreate-React-App-Configuration-Override-%EB%9E%80

여러 설정 파일 모음 https://github.com/dilanx/craco

craco + type alias

https://leego.tistory.com/entry/React-CRA%EC%97%90%EC%84%9C-Path-alias-%EC%84%A4%EC%A0%95%ED%95%98%EA%B8%B0

webpack cli 설치

https://webpack.kr/guides/getting-started

yarn add -D webpack webpack-cli

webpack 초기화

https://webpack.kr/api/cli/

npx webpack init 

여러 옵션 선택 ㄱㄱ

purgecss

https://purgecss.com/getting-started.html

purgecss + webpack

https://purgecss.com/plugins/webpack.html

package.json

"postbuild": "npx purgecss --css build/static/css/*.css --content build/index.html build/static/js/*.js --output build/static/css"