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eslint-config-mlt

v1.0.9

Published

MLT ESLint 规则

Readme

@mlamp/eslint-config-mlt

基于 eslint-config-alloy 完成, 内置 base/react/typescript 配置,加上 mlt 自定义 配置,将 prettier 样式规则委托 prettier 进行管理。包中内置.prettierrc.js,在包的根目录中,仅供参考。

包安装

npm 安装

npm install eslint-config-mlt --save-dev

yarn 安装

yarn add eslint-config-mlt --save-dev -W

项目中使用

在你的项目的根目录下创建一个 .eslintrc.js 文件,并将以下内容复制进去:

module.exports = {
  extends: ['eslint-config-mlt']
};

配置项

参考项目 eslint-config-alloy

常见问题

在 VSCode 中使用

在 VSCode 中,默认 ESLint 并不能识别 .ts.tsx 文件,需要在「文件 => 首选项 => 设置」里做如下配置:

{
  "eslint.validate": [
    "javascript",
    "javascriptreact",
    "typescript",
    "typescriptreact"
  ]
}

保存时自动修复 ESLint 错误

如果想要开启「保存时自动修复」的功能,你可以配置 .vscode/settings.json

{
  "eslint.validate": ["javascript", "javascriptreact", "typescript", "typescriptreact"],
  "editor.codeActionsOnSave": {
    "source.fixAll.eslint": true
  },
}

VSCode 中的 autoFixOnSave 没有效果

如果需要针对 .ts.tsx 文件开启 ESLint 的 autoFix,则需要配置成:

{
  "eslint.autoFixOnSave": true,
  "eslint.validate": [
    "javascript",
    "javascriptreact",
    {
      "language": "typescript",
      "autoFix": true
    },
    {
      "language": "typescriptreact",
      "autoFix": true
    }
  ]
}

如何结合 Prettier 使用

eslint-config-alloy 从 v3 开始,已经不包含所有样式相关的规则了,故不需要引入 eslint-config-prettier。只需要安装 VSCode 插件prettier ,并在.prettierrc.js配置属性即可。 下面给出一个 .prettierrc.js配置,仅供参考:

module.exports = {
    // 一行最多 100 字符
    printWidth: 100,
    // 使用 4 个空格缩进
    tabWidth: 4,
    // 不使用缩进符,而使用空格
    useTabs: false,
    // 行尾需要有分号
    semi: true,
    // 使用单引号
    singleQuote: true,
    // jsx 不使用单引号,而使用双引号
    jsxSingleQuote: false,
    // 末尾不需要逗号
    trailingComma: 'none',
    // 大括号内的首尾需要空格
    bracketSpacing: true,
    // jsx 标签的反尖括号需要换行
    jsxBracketSameLine: true,
    // 箭头函数,只有一个参数的时候,也需要括号
    arrowParens: 'always',
    // 每个文件格式化的范围是文件的全部内容
    rangeStart: 0,
    rangeEnd: Infinity,
    // 不需要写文件开头的 @prettier
    requirePragma: false,
    // 不需要自动在文件开头插入 @prettier
    insertPragma: false,
    // 使用默认的折行标准
    proseWrap: 'preserve',
    // 根据显示样式决定 html 要不要折行 ignore
    htmlWhitespaceSensitivity: 'strict',
    // 换行符使用 lf
    endOfLine: 'lf',

    // parser: 'typescript',

    overrides: [
        {
            files: ['*.json'],
            options: {
                parser: 'json',
                tabWidth: 4
            }
        },
        {
            files: '*.{css,sass,scss,less}',
            options: {
                parser: 'css',
                tabWidth: 4
            }
        },
        {
            files: '*.{ts,tsx}',
            options: {
                parser: 'typescript'
            }
        }
    ]
};