常用的eslint规则

记录一下 vue 项目中常用的eslint规则

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/singleline-html-element-content-newline": "off",
  "vue/multiline-html-element-content-newline":"off",
  "vue/name-property-casing": ["error", "PascalCase"],
  "vue/no-v-html": "off",
  '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': ["error", "always", {"null": "ignore"}],
  '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': 0,
  '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']
}
}