安装依赖
# 安装 ESLint 和 Prettier
npm install --save-dev eslint prettier
# 安装必要的 ESLint 插件和解析器
npm install --save-dev eslint-config-prettier eslint-plugin-prettier
# 安装 ts 解析器(含部分推荐配置)
npm install --save-dev typescript-eslint
新建一个eslint配置文件
这里使用的是平面配置 eslint.config.js
import globals from 'globals'
import tseslint from 'typescript-eslint'
import pluginPrettier from 'eslint-plugin-prettier'
import prettierConfig from 'eslint-config-prettier'
export default tseslint.config(
{ ignores: ['dist'] },
{
extends: [
...tseslint.configs.recommended,
// 避免和eslint的规则冲突
prettierConfig
],
files: ['**/*.{ts,tsx}'],
languageOptions: {
ecmaVersion: 2020,
globals: globals.browser,
},
plugins: {
prettier: pluginPrettier,
},
rules: {
// 添加后才会在代码中报错提示
'prettier/prettier': 'error',
semi: ['error', 'never']
},
},
)
添加prettier配置
.prettier.json
{
"trailingComma": "es5",
"tabWidth": 2,
"useTabs": true,
"semi": false,
"bracketSpacing": true,
"jsxBracketSameLine": false,
"singleQuote": true,
"endOfLine": "auto",
"eslintIntegration": true,
"printWidth": 100
}
VS code保存时自动格式化
.vscode/settings.json
{
"editor.codeActionsOnSave": {
"source.fixAll.eslint": "explicit",
"source.fixAll": "explicit"
},
"editor.formatOnSave": true,
}