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@dbappsecurity/eslint-config-standard

v1.0.5

Published

Dbappseccurity standard shareable config for Eslint

Downloads

7

Readme

@dbappsecurity/eslint-config-standard

在官方推荐 eslint:recommended 和独角兽公司 Airbnb 开源的基础配置 airbnb-base 上添加/覆盖了较强的校验规则。

安装

yarn add eslint @dbappsecurity/eslint-config-standard -D

配置

在项目根目录创建 .eslintrc.js,然后添加:

module.exports = {
    // ...
    extends: ['@dbappsecurity/eslint-config-standard'],
    // ...
};

其他文件后缀的默认配置文件按照对应格式配置。
在实际项目中,会根据使用的UI框架语法、是否采用 Typescript、是否配合 Prettier 来增加 extends,例如:

yarn add eslint-plugin-prettier eslint-config-prettier -D
module.exports = {
    // ...
    extends: [
        // ...
        '@dbappsecurity/eslint-config-standard',
        'plugin:prettier/recommended',
    ],
    rules: {
        'prettier/prettier': ['error'], // 打开 Prettier 校验
        // ...
    },
    // ...
};

extends 中的规则会由后往前覆盖,所以尽量将 @dbappsecurity/eslint-config-standard 往后放置来覆盖别的规则,若项目中使用 plugin:prettier/recommended,则必须把它放到最后,以解决 ESLint 和 Prettier 规则冲突。

使用

分为构建流程和脚本命令两部分:

  1. 常用的构建工具有 webpack vite rollup 等,这里以 webpack 为例,首先安装 eslint-loader

    yarn add eslint-loader -D

    然后配置 webpack.config.js:

    module.exports = {
        // ...
        module: [
            rules: [
                // ...
                ...(process.env.NODE_ENV === 'development' // 仅开发环境启动校验
                    ? [
                        {
                            test: /\.js$/,
                            exclude: /node_modules/,
                            loader: 'eslint-loader',
                            options: {
                                // ... eslint options (if necessary)
                            },
                        },
                    ]
                    : []),
            ],
        ],
    };

    以上是最基础的配置。 在实际项目中,各UI框架都提供了封装了 eslint-loader 对应的 plugin,例如:Vue2 使用 @vue/cli-plugin-eslint 后,方可在 vue.config.js 中通过 lintOnSave 开启或关闭 ESLint。

  2. 在 package.json 中添加脚本命令:

    {
        // ...
        "scripts": {
            "lint:js": "eslint \"./**/*.{js}\"",
            "lint:js:fix": "eslint \"./**/*.{js}\" --fix",
        }
        // ...
    }

    上述脚本命令仅校验 JavaScript 文件。 在实际项目中,各UI框架都提供了对应的文件类型,例如:.vue .jsx .tsx 等,这类文件的校验需要根据情况手动添加。

其他

  1. 在工程化项目中,我们常常使用构建工具提供的路径别名来为模块导入提供便利,而仅通过 eslint 命令校验时,往往不能解析路径别名,这时我们就需要为 eslint 添加别名解析器:

    yarn add eslint-import-resolver-alias -D

    然后配置 .eslintrc.js 中的 settingsrules

    module.exports = {
        // ...
        settings: {
            // ...
            'import/resolver': {
                alias: {
                    map: [['^@/*', path.resolve(__dirname, 'src/')]],
                    extensions: ['.js', '.vue', '.jsx', '.tsx'], // 根据UI库调整扩展名
                },
            },
        },
        rules: {
            //...
            'import/extensions': ['error', { js: 'js', vue: 'vue', jsx: 'jsx', tsx: 'tsx' }], // 与别名扩展名保持一致
        },
        // ...
    };