vscode的eslint配置保存自动修复代码-Toy模板网

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提示：本文展示了vue项目中配置eslint，在vscode编辑器中保存后可以自动修复

前言

本次配置达到的效果：vue代码格式有问题会根据插件的eslint规则红色波浪线提示、ctrl+s保存后根据波浪线的规则进行代码修复（包括自动删除尾部逗号等）
vue项目配置eslint，vscode下载的eslint插件，与npm下载eslint插件有各种冲突，导致如vscode编辑器格式化以后会有一大堆红色波浪线等问题，下面我列出我的相关配置，可以供参考。

一、vscode配置

vscode安装的插件
vscode配置eslint自动修复,vscode,javascript,vue.js

vscode的settings.json的相关配置项
1.打开配置文件方法：文件->首选项->设置->输入框输入settings

2.下面是settings.json的配置
以下列出我完整的配置，主要是搜索关键词eslint、editor，若是嫌麻烦，可以备份自己的配置后，直接把这个配置替换

{
  "beautify.language": {
      "js": {
          "type": [
              "javascript",
              "json",
              "jsonc"
          ],
          "filename": [
              ".jshintrc",
              ".jsbeautifyrc"
          ]
      },
      "css": [
          "css",
          "less",
          "scss"
      ],
      "html": [
          "htm",
          "html",
          "vue"
      ]
  },
  "workbench.colorTheme": "Dracula At Night",
  "workbench.iconTheme": "vscode-icons",
  "vsicons.dontShowNewVersionMessage": true,
  "[vue]": {
    "editor.defaultFormatter": "octref.vetur",
    "editor.codeActionsOnSave": {
      "source.fixAll.eslint": true
    }    
  },
  "[javascript]": {
    "editor.defaultFormatter": "octref.vetur",
    "editor.codeActionsOnSave": {
      "source.fixAll.eslint": true
    }       
  },
  "[html]": {
      "editor.defaultFormatter": "HookyQR.beautify"
  },
  "eslint.codeAction.showDocumentation": {
      "enable": true
  },
  "workbench.iconTheme": "material-icon-theme",
  "explorer.confirmDragAndDrop": false,
  "explorer.confirmDelete": false,
  //配置eslint
  "eslint.enable": true, //  启用保存时自动修复,默认只支持.js文件
  "eslint.validate": [
      "javascript",
      //  用eslint的规则检测js文件
      {
          "language": "vue", // 检测vue文件
          "autoFix": true //  为vue文件开启保存自动修复的功能
      },
      {
          "language": "html",
          "autoFix": true
      },
  ],
  "cSpell.enabledLanguageIds": [
      "asciidoc",
      "c",
      "cpp",
      "csharp",
      "css",
      "git-commit",
      "go",
      "graphql",
      "handlebars",
      "haskell",
      "html",
      "jade",
      "java",
      "javascript",
      "javascriptreact",
      "json",
      "jsonc",
      "jupyter",
      "latex",
      "less",
      "markdown",
      "php",
      "plaintext",
      "python",
      "pug",
      "restructuredtext",
      "rust",
      "scala",
      "scss",
      "text",
      "typescript",
      "typescriptreact",
      "yaml",
      "yml",
      "vue"
  ],
  "diffEditor.ignoreTrimWhitespace": false,
  "alias-skip.mappings": {
      "~@/": "/src",
      "views": "/src/views",
      "assets": "/src/assets",
      "network": "/src/network",
      "common": "/src/common"
  },
  "tabnine.experimentalAutoImports": true,
  "editor.bracketPairColorization.enabled": true,
  "editor.guides.bracketPairs": "active",
  "bracketPairColorizer.depreciation-notice": false,
  "editor.tabSize": 2,
  "editor.detectIndentation": false,
  "cSpell.customDictionaries": {
    "custom-dictionary-user": {
      "name": "custom-dictionary-user",
      "path": "~/.cspell/custom-dictionary-user.txt",
      "addWords": true,
      "scope": "user"
    }
  },
  "editor.foldingStrategy": "indentation",
  "git.mergeEditor": false,
  "[css]": {
    "editor.defaultFormatter": "stylelint.vscode-stylelint"
  },
  "remote.SSH.remotePlatform": {
    "192.168.10.31": "linux"
  },
  "cSpell.languageSettings": [],
  "vetur.ignoreProjectWarning": true,
  "settingsSync.keybindingsPerPlatform": false,
  "eslint.migration.2_x": "off",
  "eslint.autoFixOnSave": true,
  "eslint.codeActionsOnSave.rules": null,
  "editor.codeActionsOnSave": {
    "source.fixAll.eslint": false
  },
  "editor.fontLigatures": null,
  "pathAlias.aliasMap": {
    "@": "${cwd}/src"
  },
  // 保存时格式化
  "editor.formatOnSave": true,//保存时格式化  
  // 让vue中的js按编辑器自带的ts格式进行格式化 
  "vetur.format.defaultFormatter.js": "vscode-typescript",
  //vue的模板文件中的 html 使用自带的 js-beautify-html 进行格式化
  "vetur.format.defaultFormatter.html": "js-beautify-html", 
  // 让函数(名)和后面的括号之间加个空格
  "javascript.format.insertSpaceBeforeFunctionParenthesis": true,
  "vetur.format.defaultFormatterOptions": {
    // 让html的attributes不换行，看起来会更美观
    "js-beautify-html":{
      "wrap_line_length": 240,
      "wrap_attributes": "auto",
      "end_with_newline": false
    },  
    "prettier": {
      //设置分号
      "semi": true,
      //双引号变成单引号
      "singleQuote": true,
      //禁止随时添加逗号,这个很重要。找了好久
      "trailingComma": "none"
    }
  },
  "[javascript]": {
    "editor.formatOnSave": true
  },
  "[html]": {
    "editor.formatOnSave": false
  }  
}

二、vue项目package.json中与eslint相关的配置

{
	"@vue/cli-plugin-eslint": "~4.5.0",
	"@vue/eslint-config-standard": "^5.1.2",
	"babel-eslint": "^10.1.0",
	"eslint": "^6.7.2",
	"eslint-plugin-import": "^2.20.2",
	"eslint-plugin-node": "^11.1.0",
	"eslint-plugin-promise": "^4.2.1",
	"eslint-plugin-standard": "^4.0.0",
	"eslint-plugin-vue": "^6.2.2",
	"eslintConfig": {
	  "root": true,
	  "env": {
	    "node": true
	  },
	  "extends": [
	    "plugin:vue/essential",
	    "@vue/standard"
	  ],
	  "parserOptions": {
	    "parser": "babel-eslint"
	  },
	  "rules": {},
	  "globals": {
	    "utils": true
	  }
	}
}