vscode关于eslint的配置

配置eslint自动格式化
配置vscode的 json文件
进入任意一个扩展插件的界面点击=>扩展设置=>右上角点击进入settings.json文件

{
    "workbench.iconTheme": "vscode-icons",
    "workbench.colorTheme": "One Dark Pro",
    "oneDarkPro.editorTheme": "oneDarkProFlat",
    "liveServer.settings.donotShowInfoMsg": true,
    "[html]": {
        "editor.defaultFormatter": "vscode.html-language-features"
    },
    "[javascript]": {
        "editor.defaultFormatter": "esbenp.prettier-vscode"
    },
    "files.associations": {
        "*.js": "javascript"
    },
    "editor.formatOnSave": true, // #每次保存的时候自动格式化
    "vsicons.dontShowNewVersionMessage": true,
    "[vue]": {
        "editor.defaultFormatter": "octref.vetur"
    },
    // 每次保存时将代码按eslint格式进行保存
    "editor.codeActionsOnSave": {
        "source.fixAll.eslint": true
    },
    // 添加vue支持
    "eslint.validate": [
        "javascript",
        "vue",
        "html"
    ],
    "eslint.options": {
        //指定vscode的eslint所处理的文件的后缀
        "extensions": [".js", ".vue", ".ts", ".tsx"]
    },
    "security.workspace.trust.untrustedFiles": "open",
    "workbench.startupEditor": "none",
    "[scss]": {
        "editor.defaultFormatter": "vscode.css-language-features"
    },
    "read-book-status-bar.bosstext": ".",
    "timeline.excludeSources": [
        "timeline.localHistory"
    ],
    "[markdown]": {
        "editor.defaultFormatter": "Vue.volar"
    },
    "read-book-status-bar.autoReadRow": false,
    "editor.tabSize": 2,
  //  #去掉代码结尾的分号
  "prettier.semi": false,
  //  #使用单引号替代双引号
  "prettier.singleQuote": true,
  //  #让函数(名)和后面的括号之间加个空格
  "javascript.format.insertSpaceBeforeFunctionParenthesis": true,
  // #让vue中的js按编辑器自带的ts格式进行格式化
  "vetur.format.defaultFormatter.js": "prettier-eslint",
  "git.enableSmartCommit": true,
  "editor.quickSuggestions": {
    "strings": true
  },
  //一定要在vutur.defaultFormatterOptions参数中设置，单独修改prettier扩展的设置是无法解决这个问题的，因为perttier默认忽略了vue文件（事实上从忽略列表移除vue也不能解决这个问题）
  "vetur.format.defaultFormatterOptions": {
    "prettier": {
      "semi": false, // 格式化不加分号
      "singleQuote": true // 格式化以单引号为主
    },
    "js-beautify-html": {
      // force-aligned | force-expand-multiline
      "wrap_attributes": "force-aligned"
    },
    "prettyhtml": {
      "printWidth": 100,
      "singleQuote": false,
      "wrapAttributes": false,
      "sortAttributes": true
    }
  }
}

打开vue项目中的eslintrc.js文件（可选）

module.exports = {
  root: true,
  parserOptions: {
    parser: 'babel-eslint',
    sourceType: 'module'
  },
  env: {
    browser: true,
    node: true,
    es6: true,
  },
  extends: ['plugin:vue/recommended', 'eslint:recommended'],

  // add your custom rules here
  //it is base on https://github.com/vuejs/eslint-config-vue
  rules: {
    "vue/max-attributes-per-line": [2, {
      "singleline": 10,
      "multiline": {
        "max": 1,
        "allowFirstLine": false
      }
    }],
    "vue/name-property-casing": ["error", "PascalCase"],
    'accessor-pairs': 2,
    'arrow-spacing': [2, {
      'before': true,
      'after': true
    }],
    'block-spacing': [2, 'always'],
    'brace-style': [2, '1tbs', {
      'allowSingleLine': true
    }],
    'camelcase': [0, {
      'properties': 'always'
    }],
    'comma-dangle': [2, 'never'],
    'comma-spacing': [2, {
      'before': false,
      'after': true
    }],
    'comma-style': [2, 'last'],
    'constructor-super': 2,
    'curly': [2, 'multi-line'],
    'dot-location': [2, 'property'],
    'eol-last': 2,
    'eqeqeq': [2, 'allow-null'],
    'generator-star-spacing': [2, {
      'before': true,
      'after': true
    }],
    'handle-callback-err': [2, '^(err|error)$'],
    'indent': [2, 2, {
      'SwitchCase': 1
    }],
    'jsx-quotes': [2, 'prefer-single'],
    'key-spacing': [2, {
      'beforeColon': false,
      'afterColon': true
    }],
    'keyword-spacing': [2, {
      'before': true,
      'after': true
    }],
    'new-cap': [2, {
      'newIsCap': true,
      'capIsNew': false
    }],
    'new-parens': 2,
    'no-array-constructor': 2,
    'no-caller': 2,
    'no-console': 'off',
    'no-class-assign': 2,
    'no-cond-assign': 2,
    'no-const-assign': 2,
    'no-control-regex': 2,
    'no-delete-var': 2,
    'no-dupe-args': 2,
    'no-dupe-class-members': 2,
    'no-dupe-keys': 2,
    'no-duplicate-case': 2,
    'no-empty-character-class': 2,
    'no-empty-pattern': 2,
    'no-eval': 2,
    'no-ex-assign': 2,
    'no-extend-native': 2,
    'no-extra-bind': 2,
    'no-extra-boolean-cast': 2,
    'no-extra-parens': [2, 'functions'],
    'no-fallthrough': 2,
    'no-floating-decimal': 2,
    'no-func-assign': 2,
    'no-implied-eval': 2,
    'no-inner-declarations': [2, 'functions'],
    'no-invalid-regexp': 2,
    'no-irregular-whitespace': 2,
    'no-iterator': 2,
    'no-label-var': 2,
    'no-labels': [2, {
      'allowLoop': false,
      'allowSwitch': false
    }],
    'no-lone-blocks': 2,
    'no-mixed-spaces-and-tabs': 2,
    'no-multi-spaces': 2,
    'no-multi-str': 2,
    'no-multiple-empty-lines': [2, {
      'max': 1
    }],
    'no-native-reassign': 2,
    'no-negated-in-lhs': 2,
    'no-new-object': 2,
    'no-new-require': 2,
    'no-new-symbol': 2,
    'no-new-wrappers': 2,
    'no-obj-calls': 2,
    'no-octal': 2,
    'no-octal-escape': 2,
    'no-path-concat': 2,
    'no-proto': 2,
    'no-redeclare': 2,
    'no-regex-spaces': 2,
    'no-return-assign': [2, 'except-parens'],
    'no-self-assign': 2,
    'no-self-compare': 2,
    'no-sequences': 2,
    'no-shadow-restricted-names': 2,
    'no-spaced-func': 2,
    'no-sparse-arrays': 2,
    'no-this-before-super': 2,
    'no-throw-literal': 2,
    'no-trailing-spaces': 2,
    'no-undef': 2,
    'no-undef-init': 2,
    'no-unexpected-multiline': 2,
    'no-unmodified-loop-condition': 2,
    'no-unneeded-ternary': [2, {
      'defaultAssignment': false
    }],
    'no-unreachable': 2,
    'no-unsafe-finally': 2,
    'no-unused-vars': [2, {
      'vars': 'all',
      'args': 'none'
    }],
    'no-useless-call': 2,
    'no-useless-computed-key': 2,
    'no-useless-constructor': 2,
    'no-useless-escape': 0,
    'no-whitespace-before-property': 2,
    'no-with': 2,
    'one-var': [2, {
      'initialized': 'never'
    }],
    'operator-linebreak': [2, 'after', {
      'overrides': {
        '?': 'before',
        ':': 'before'
      }
    }],
    'padded-blocks': [2, 'never'],
    'quotes': [2, 'single', {
      'avoidEscape': true,
      'allowTemplateLiterals': true
    }],
    'semi': [2, 'never'],
    'semi-spacing': [2, {
      'before': false,
      'after': true
    }],
    'space-before-blocks': [2, 'always'],
    'space-before-function-paren': [2, 'never'],
    'space-in-parens': [2, 'never'],
    'space-infix-ops': 2,
    'space-unary-ops': [2, {
      'words': true,
      'nonwords': false
    }],
    'spaced-comment': [2, 'always', {
      'markers': ['global', 'globals', 'eslint', 'eslint-disable', '*package', '!', ',']
    }],
    'template-curly-spacing': [2, 'never'],
    'use-isnan': 2,
    'valid-typeof': 2,
    'wrap-iife': [2, 'any'],
    'yield-star-spacing': [2, 'both'],
    'yoda': [2, 'never'],
    'prefer-const': 2,
    'no-debugger': process.env.NODE_ENV === 'production' ? 2 : 0,
    'object-curly-spacing': [2, 'always', {
      objectsInObjects: false
    }],
    'array-bracket-spacing': [2, 'never']
  }
}