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  1. {
  2.     "editor.codeActionsOnSave": {
  3.         "source.fixAll.eslint": true
  4.     },
  5.     "eslint.options": {
  6.         "extensions": [
  7.             ".js",
  8.             ".vue",
  9.             ".ts",
  10.         ]
  11.     },
  12.     "eslint.validate": [
  13.         "javascript",
  14.         "vue",
  15.         "typescript",
  16.         "html",
  17.         "vue-html"
  18.     ],
  19.     "editor.tabSize": 2,
  20.     "[javascript]": {
  21.         "editor.defaultFormatter": "esbenp.prettier-vscode"
  22.     },
  23.     "eslint.workingDirectories": [
  24.         ".eslintrc.js",
  25.         {
  26.             "mode": "auto"
  27.         }
  28.     ],
  29.     "eslint.nodePath": ""
  30. }

.eslintrc.js

规则级别

  • “off”或0：不启用该规则。
  • “warn”或1：违反时警告。
  • “error”或2：违反时报错。
  1. // ESlint 检查配置
  2. module.exports = {
  3.   root: true,
  4.   parserOptions: {
  5.     parser: 'babel-eslint',
  6.     sourceType: 'module'
  7.   },
  8.   env: {
  9.     browser: true,
  10.     node: true,
  11.     es6: true,
  12.   },
  13.   extends: ['plugin:vue/recommended', 'eslint:recommended'],
  15.   // add your custom rules here
  16.   //it is base on https://github.com/vuejs/eslint-config-vue
  17.   rules: {
  18.     "vue/max-attributes-per-line": [2, {
  19.       "singleline": 10,
  20.       "multiline": {
  21.         "max": 1,
  22.         "allowFirstLine": false
  23.       }
  24.     }],
  25.     "vue/singleline-html-element-content-newline": "off",
  26.     "vue/multiline-html-element-content-newline":"off",
  27.     "vue/name-property-casing": ["error", "PascalCase"],
  28.     "vue/no-v-html": "off",
  29.     'accessor-pairs': 2,
  30.     'arrow-spacing': [2, {
  31.       'before': true,
  32.       'after': true
  33.     }],
  34.     'block-spacing': [2, 'always'],
  35.     'brace-style': [2, '1tbs', {
  36.       'allowSingleLine': true
  37.     }],
  38.     'camelcase': [0, {
  39.       'properties': 'always'
  40.     }],
  41.     'comma-dangle': [2, 'never'],
  42.     'comma-spacing': [2, {
  43.       'before': false,
  44.       'after': true
  45.     }],
  46.     'comma-style': [2, 'last'],
  47.     'constructor-super': 2,
  48.     'curly': [2, 'multi-line'],
  49.     'dot-location': [2, 'property'],
  50.     'eol-last': 2,
  51.     'eqeqeq': ["error", "always", {"null": "ignore"}],
  52.     'generator-star-spacing': [2, {
  53.       'before': true,
  54.       'after': true
  55.     }],
  56.     'handle-callback-err': [2, '^(err|error)$'],
  57.     'indent': [2, 2, {
  58.       'SwitchCase': 1
  59.     }],
  60.     'jsx-quotes': [2, 'prefer-single'],
  61.     'key-spacing': [2, {
  62.       'beforeColon': false,
  63.       'afterColon': true
  64.     }],
  65.     'keyword-spacing': [2, {
  66.       'before': true,
  67.       'after': true
  68.     }],
  69.     'new-cap': [2, {
  70.       'newIsCap': true,
  71.       'capIsNew': false
  72.     }],
  73.     'new-parens': 2,
  74.     'no-array-constructor': 2,
  75.     'no-caller': 2,
  76.     'no-console': 'off',
  77.     'no-class-assign': 2,
  78.     'no-cond-assign': 2,
  79.     'no-const-assign': 2,
  80.     'no-control-regex': 0,
  81.     'no-delete-var': 2,
  82.     'no-dupe-args': 2,
  83.     'no-dupe-class-members': 2,
  84.     'no-dupe-keys': 2,
  85.     'no-duplicate-case': 2,
  86.     'no-empty-character-class': 2,
  87.     'no-empty-pattern': 2,
  88.     'no-eval': 2,
  89.     'no-ex-assign': 2,
  90.     'no-extend-native': 2,
  91.     'no-extra-bind': 2,
  92.     'no-extra-boolean-cast': 2,
  93.     'no-extra-parens': [2, 'functions'],
  94.     'no-fallthrough': 2,
  95.     'no-floating-decimal': 2,
  96.     'no-func-assign': 2,
  97.     'no-implied-eval': 2,
  98.     'no-inner-declarations': [2, 'functions'],
  99.     'no-invalid-regexp': 2,
  100.     'no-irregular-whitespace': 2,
  101.     'no-iterator': 2,
  102.     'no-label-var': 2,
  103.     'no-labels': [2, {
  104.       'allowLoop': false,
  105.       'allowSwitch': false
  106.     }],
  107.     'no-lone-blocks': 2,
  108.     'no-mixed-spaces-and-tabs': 2,
  109.     'no-multi-spaces': 2,
  110.     'no-multi-str': 2,
  111.     'no-multiple-empty-lines': [2, {
  112.       'max': 1
  113.     }],
  114.     'no-native-reassign': 2,
  115.     'no-negated-in-lhs': 2,
  116.     'no-new-object': 2,
  117.     'no-new-require': 2,
  118.     'no-new-symbol': 2,
  119.     'no-new-wrappers': 2,
  120.     'no-obj-calls': 2,
  121.     'no-octal': 2,
  122.     'no-octal-escape': 2,
  123.     'no-path-concat': 2,
  124.     'no-proto': 2,
  125.     'no-redeclare': 2,
  126.     'no-regex-spaces': 2,
  127.     'no-return-assign': [2, 'except-parens'],
  128.     'no-self-assign': 2,
  129.     'no-self-compare': 2,
  130.     'no-sequences': 2,
  131.     'no-shadow-restricted-names': 2,
  132.     'no-spaced-func': 2,
  133.     'no-sparse-arrays': 2,
  134.     'no-this-before-super': 2,
  135.     'no-throw-literal': 2,
  136.     'no-trailing-spaces': 2,
  137.     'no-undef': 2,
  138.     'no-undef-init': 2,
  139.     'no-unexpected-multiline': 2,
  140.     'no-unmodified-loop-condition': 2,
  141.     'no-unneeded-ternary': [2, {
  142.       'defaultAssignment': false
  143.     }],
  144.     'no-unreachable': 2,
  145.     'no-unsafe-finally': 2,
  146.     'no-unused-vars': [2, {
  147.       'vars': 'all',
  148.       'args': 'none'
  149.     }],
  150.     'no-useless-call': 2,
  151.     'no-useless-computed-key': 2,
  152.     'no-useless-constructor': 2,
  153.     'no-useless-escape': 0,
  154.     'no-whitespace-before-property': 2,
  155.     'no-with': 2,
  156.     'one-var': [2, {
  157.       'initialized': 'never'
  158.     }],
  159.     'operator-linebreak': [2, 'after', {
  160.       'overrides': {
  161.         '?': 'before',
  162.         ':': 'before'
  163.       }
  164.     }],
  165.     'padded-blocks': [2, 'never'],
  166.     'quotes': [2, 'single', {
  167.       'avoidEscape': true,
  168.       'allowTemplateLiterals': true
  169.     }],
  170.     'semi': [2, 'never'],
  171.     'semi-spacing': [2, {
  172.       'before': false,
  173.       'after': true
  174.     }],
  175.     'space-before-blocks': [2, 'always'],
  176.     'space-before-function-paren': [2, 'never'],
  177.     'space-in-parens': [2, 'never'],
  178.     'space-infix-ops': 2,
  179.     'space-unary-ops': [2, {
  180.       'words': true,
  181.       'nonwords': false
  182.     }],
  183.     'spaced-comment': [2, 'always', {
  184.       'markers': ['global', 'globals', 'eslint', 'eslint-disable', '*package', '!', ',']
  185.     }],
  186.     'template-curly-spacing': [2, 'never'],
  187.     'use-isnan': 2,
  188.     'valid-typeof': 2,
  189.     'wrap-iife': [2, 'any'],
  190.     'yield-star-spacing': [2, 'both'],
  191.     'yoda': [2, 'never'],
  192.     'prefer-const': 2,
  193.     'no-debugger': process.env.NODE_ENV === 'production' ? 2 : 0,
  194.     'object-curly-spacing': [2, 'always', {
  195.       objectsInObjects: false
  196.     }],
  197.     'array-bracket-spacing': [2, 'never']
  198.   }
  199. }

参考

eslint规则表 http://eslint.cn/docs/rules/
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入门文章 https://www.jianshu.com/p/ad1e46faaea2