VSCode supports ESLint automatic formatting

Install plugin

1. Install ESLint

2. Install Vetur

3.安装Prettier - Code formatter

The above 3 plugins can be installed directly by searching in the app store

Configure automatic formatting

1. Click on the upper left corner [File]-[Preferences]-[Settings]
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2. Click the icon in the red box in the upper right corner to open the settings.json file

3. Enter the following

{
    
    
  "editor.lineNumbers": "on", //开启行数提示
  "editor.quickSuggestions": {
    
    
    //开启自动显示建议
    "other": true,
    "comments": true,
    "strings": true
  },
  "prettier.useTabs": true, //使用制表符缩进
  "editor.tabSize": 2, //制表符符号eslint
  "editor.formatOnSave": true, //每次保存自动格式化
  "prettier.semi": true, //去掉代码结尾的分号
  "prettier.singleQuote": true, //使用单引号替代双引号
  "prettier.trailingComma": "none", //去除对象最末尾元素跟随的逗号
  "javascript.format.insertSpaceBeforeFunctionParenthesis": true, //让函数(名)和后面的括号之间加个空格
  "vetur.format.defaultFormatter.html": "js-beautify-html", //格式化.vue中html
  "vetur.format.defaultFormatter.js": "vscode-typescript", //让vue中的js按编辑器自带的ts格式进行格式化
  "[vue]": {
    
    
    "editor.defaultFormatter": "esbenp.prettier-vscode"
  },
  "[javascript]": {
    
    
    "editor.defaultFormatter": "esbenp.prettier-vscode"
  },
  "eslint.run": "onSave",
  "editor.codeActionsOnSave": {
    
    
    "source.fixAll.eslint": true
  },
  "prettier.printWidth": 200, //指定代码长度，超出换行
  "prettier.requireConfig": true, //需要prettier.requireConfig格式化
  "prettier.useEditorConfig": false,
  // "eslint.validate": [
  //   //开启对.vue文件中错误的检查
  //   "javascript",
  //   "javascriptreact",
  //   {
    
    
  //     "language": "html",
  //     "autoFix": true
  //   },
  //   {
    
    
  //     "language": "vue",
  //     "autoFix": true
  //   }
  // ],
  "terminal.integrated.rendererType": "dom",
  "[typescript]": {
    
    
    "editor.defaultFormatter": "esbenp.prettier-vscode"
  }
}

Concluding remarks

When saving the file by CTRL+S, you can use the ESLint format to call the file

Support the new version of VSCode (2020 version), a large number of online tutorials are relatively old and cannot achieve perfect formatting