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Egg.js 项目的合理 ESLint 配置文件模板

news 2025/8/3 0:12:22

Egg.js 项目的合理 ESLint 配置文件模板

安装依赖

npm install eslint @babel/eslint-parser eslint-plugin-import eslint-plugin-promise eslint-plugin-node --save-dev

extends: 扩展了 eslint-config-egg 以及其他一些常用的插件配置。
parser: 使用 @babel/eslint-parser 作为解析器，支持最新的 JavaScript 语法。
parserOptions: 设置了解析器选项，包括 ECMAScript 版本和模块类型。
env: 设置了 Node.js 和 ES6 环境。
settings: 配置了导入解析器，支持 .js 和 .ts 文件。
rules: 添加了一些常用的 ESLint 规则，包括对控制台日志、未使用的变量、导入检查、Promise 检查和 Node.js 特定的规则

.eslintrc

{"extends": ["eslint-config-egg","plugin:import/errors","plugin:import/warnings","plugin:import/typescript","plugin:promise/recommended","plugin:node/recommended"],"parser": "@babel/eslint-parser","parserOptions": {"ecmaVersion": 2020,"sourceType": "module","requireConfigFile": false},"env": {"node": true,"es6": true},"settings": {"import/resolver": {"node": {"extensions": [".js", ".ts"]}}},"rules": {"no-console": "warn","no-unused-vars": ["error", { "argsIgnorePattern": "^_" }],"import/no-unresolved": "error","import/named": "error","import/namespace": "error","import/default": "error","import/export": "error","import/extensions": ["error", "always", { "js": "never", "ts": "never" }],"import/newline-after-import": "error","import/no-extraneous-dependencies": ["error", { "devDependencies": true }],"promise/always-return": "error","promise/no-return-wrap": "error","promise/param-names": "error","promise/catch-or-return": "error","node/no-missing-import": "error","node/no-unpublished-require": "error","node/no-unsupported-features/es-syntax": "error","node/process-exit-as-throw": "error","node/shebang": "error"}}

但如果同时使用prettier与eslint冲突可以再补上安装

npm install eslint-config-prettier eslint-plugin-prettier --save-dev

这些工具可以帮助你关闭 ESLint 中与 Prettier 冲突的规则，并将 Prettier 作为 ESLint 的规则之一运行

最终配置为

{"extends": ["eslint-config-egg","plugin:import/errors","plugin:import/warnings","plugin:import/typescript","plugin:promise/recommended","plugin:node/recommended","plugin:prettier/recommended", // 添加 Prettier 插件"prettier" // 确保 Prettier 覆盖其他规则],"parser": "@babel/eslint-parser","parserOptions": {"ecmaVersion": 2020,"sourceType": "module","requireConfigFile": false},"env": {"node": true,"es6": true},"settings": {"import/resolver": {"node": {"extensions": [".js", ".ts"]}}},"rules": {"no-console": "warn","no-unused-vars": ["error", { "argsIgnorePattern": "^_" }],"import/no-unresolved": "error","import/named": "error","import/namespace": "error","import/default": "error","import/export": "error","import/extensions": ["error", "always", { "js": "never", "ts": "never" }],"import/newline-after-import": "error","import/no-extraneous-dependencies": ["error", { "devDependencies": true }],"promise/always-return": "error","promise/no-return-wrap": "error","promise/param-names": "error","promise/catch-or-return": "error","node/no-missing-import": "error","node/no-unpublished-require": "error","node/no-unsupported-features/es-syntax": "error","node/process-exit-as-throw": "error","node/shebang": "error","no-trailing-spaces": 1, // 禁用 no-trailing-spaces 规则"prettier/prettier": ["error", { "singleQuote": true, "semi": false }] // 配置 Prettier 规则}}

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