Eslint 설치

https://eslint.org/

명령어 npm init @eslint/config

질문과 선택
How would you like to use ESLint? ...
=> To check syntax, find problems, and enforce code style

Waht type of modiles does your project use?
=> Javascript modules (import/export)

Which framework does your project use?
=> react

Does your project use TypeScript?
=> Yes

Where does your code run?
=> Browser

How would you like to define a style for your project?
=> Use a popular style guide

Which style guide do you want to follow?
=> standard

What format do you want your config file to be in?
=> Javascript

Which package manager do you want to use?
=> yarn

.eslintrc.js 설정하기

parserOptions에 tsconfig.json 위치 설정해서 typescript와 연동

ruls:{}에는 eslint를 적용시키지 않을 기능을 기재함

prettier 설치

https://prettier.io/docs/en/install.html

yarn add eslint-config-prettier --dev

eslint와 함께 사용시 .eslintrc.js파일 extends 안에 prettier 추가

{
  "extends": [
    "plugin:react/recommended", 
		"standard-with-typescript",
    "prettier"
  ]
}

vscode 전체 적용을 위해서 최상단 폴더에 .vscode폴더 생성 후 settings.json 생성
=> 이후 필요한 설정들 입력