react-start-kit 是一个全栈的开发模板。前端配置了webpack + react 后端配置 express + sqlite + graphql 等,看到react-starter-kit过程中有很多坑。需要一个一个的走过。记录自己学习的历程,在开发过程中还是需要eslint,这是自我对代码风格的一种规范。
react-starter-kit 的目录结构
如上图,配置了很多开发过程中需要的配置文件。
学习.eslintrc.js
如下图查看源码:
/** * React Starter Kit (https://www.reactstarterkit.com/) * * Copyright © 2014-present Kriasoft,LLC. All rights reserved. * * This source code is licensed under the MIT license found in the * LICENSE.txt file in the root directory of this source tree. */ // ESLint configuration // http://eslint.org/docs/user-guide/configuring module.exports = { parser: 'babel-eslint',// 解析引擎使用babel-eslint extends: [ 'airbnb','plugin:flowtype/recommended','plugin:css-modules/recommended','prettier','prettier/flowtype','prettier/react' ],// 这里配置继承规则 plugins: ['flowtype','css-modules','prettier'],// 这里配置了eslint 插件,在package.json 中可以查看到eslint-plugin-xxx 等等插件 globals: { __DEV__: true },// __DEV__ 全局变量开启 env: { browser: true },// 配置当前规则环境为浏览器环境 rules: { // Forbid the use of extraneous packages // https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/no-extraneous-dependencies.md 'import/no-extraneous-dependencies': ['error',{packageDir: '.'}],// 本条规则为了防止使用import xxx from 'xxx' 然而并没有使用会报错 // Recommend not to leave any console.log in your code // Use console.error,console.warn and console.info instead // https://eslint.org/docs/rules/no-console 'no-console': [ 'error',{ allow: ['warn','error','info'] } ],// 禁止使用console.log,否则报错,但是可以使用console.info console.warn console.error // Prefer destructuring from arrays and objects // http://eslint.org/docs/rules/prefer-destructuring 'prefer-destructuring': [ 'error',{ VariableDeclarator: { // 开启了变量解构赋值 array: true,object: true },AssignmentExpression: { // 开启了参数的结构赋值 array: true,object: true } },{ enforceForRenamedProperties: false // 可以赋值更改变量 e.g: const {bar: foo} = { bar: 1,food: 3} 将变量的值修改变量名为foo } ],// 这条规则我修改过,主要是es6的解构赋值 // Ensure <a> tags are valid // https://github.com/evcohen/eslint-plugin-jsx-a11y/blob/master/docs/rules/anchor-is-valid.md 'jsx-a11y/anchor-is-valid': [ 'error',{ components: ['Link'],specialLink: ['to'],aspects: ['noHref','invalidHref','preferButton'] } ],// 这条规则主要是让锚点有效,组件为Link // Allow .js files to use JSX Syntax // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-filename-extension.md 'react/jsx-filename-extension': ['error',{extensions: ['.js','.jsx']}],// 可以使用js/jsx 写react的jsx语法 // Functional and class components are equivalent from React’s point of view // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/prefer-stateless-function.md 'react/prefer-stateless-function': 'off',// 可以使用 class xxx extend React.Component{} 或者 function xxx => <div></div> 这种方式 // ESLint plugin for prettier formatting // https://github.com/prettier/eslint-plugin-prettier 'prettier/prettier': [ 'error',{ // https://github.com/prettier/prettier#options singleQuote: true,trailingComma: 'all' } ] // 定义使用单引号,并且保留,},settings: { // Allow absolute paths in imports,e.g. import Button from 'components/Button' // https://github.com/benmosher/eslint-plugin-import/tree/master/resolvers 'import/resolver': { node: { moduleDirectory: ['node_modules','src'] } } // 允许绝对路径导入 } }