安装

    1. $ npm install eslint --save-dev

    初始化和问题回答

    1. $ npx eslint --init
    3. How would you like to use ESLint? > To check syntax, find problems, and enforce code style
    4. What type of modules does your project use? > JavaScript modules (import/export)
    5. Which framework does your project use? > None of these
    6. Does your project use TypeScript? > NO
    7. Where does your code run? > Browser, Node
    8. How would you like to define a style for your project > Use a popular style guide
    9. Which style guide do you want to follow? > Airbnb: github.com/airbnb/java…
    10. What format do you want your config file to be in? > JavaScript
    11. Would you like to install them now with npm? > Yes

    安装规则，比如airbnb

    1. npm install eslint-plugin-import eslint-config-airbnb-base@latest --save-dev

    生成.eslint.js，根据需要修改：

    1. module.exports = {
    2.   env: {
    3.     browser: true,
    4.     es2021: true,
    5.     node: true,
    6.     jest: true,
    7.   },
    8.   extends: [
    9.     'airbnb-base',
    10.   ],
    11.   parserOptions: {
    12.     ecmaVersion: 'latest',
    13.     sourceType: 'module',
    14.   },
    15.   rules: {
    16.     'import/prefer-default-export': 0,
    17.     semi: 0,
    18.   },
    19. }

    增加lint脚本

    1. "lint": "eslint --fix"