.eslintrc.js

'use strict'

module.exports = {
  root: true,
  parserOptions: {
    parser: 'babel-eslint',
    sourceType: 'module'
  },
  env: {
    browser: true,
    node: true,
    es6: true,
  },
  extends: ['plugin:vue/recommended', 'eslint:recommended'],
  rules: {
    'array-bracket-spacing': [2, 'never'],
    'arrow-spacing': [2, {
      'before': true,
      'after': true
    }],
    'block-spacing': [2, 'always'],
    'brace-style': [2, '1tbs'],
    'camelcase': [0, {
      'properties': 'always'
    }],
    'comma-dangle': ['error', {
      'functions': 'never',
      'objects': 'always-multiline',
      'arrays': 'always-multiline',
      'imports': 'always-multiline',
    }],
    'comma-spacing': [2, {
      'before': false,
      'after': true
    }],
    'comma-style': ['error', 'last'],
    'curly': [2, 'all'],
    'dot-location': [2, 'property'],
    'eol-last': 2,
    'eqeqeq': ["error", "always", {"null": "ignore"}],
    '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-debugger': process.env.NODE_ENV === 'production' ? 2 : 0,
    'no-eval': 2,
    'no-extend-native': 2,
    'no-extra-parens': [2, 'functions'],
    'no-floating-decimal': 2,
    'no-implied-eval': 2,
    'no-inner-declarations': [2, 'functions'],
    'no-iterator': 2,
    'no-label-var': 2,
    'no-labels': [2, {
      'allowLoop': false,
      'allowSwitch': false
    }],
    'no-lone-blocks': 2,
    'no-multi-spaces': 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-wrappers': 2,
    'no-octal-escape': 2,
    'no-path-concat': 2,
    'no-proto': 2,
    'no-return-assign': [2, 'except-parens'],
    'no-self-compare': 2,
    'no-sequences': 2,
    'no-spaced-func': 2,
    'no-throw-literal': 2,
    'no-trailing-spaces': 2,
    'no-undef-init': 2,
    'no-unmodified-loop-condition': 2,
    'no-unneeded-ternary': [2, {
      'defaultAssignment': false
    }],
    'no-unused-vars': [2, {
      'vars': 'all',
      'args': 'none'
    }],
    'no-useless-call': 2,
    'no-useless-escape': 0,
    'no-useless-computed-key': 2,
    'no-useless-constructor': 2,
    'no-whitespace-before-property': 2,
    'object-curly-spacing': [2, 'always', {
      objectsInObjects: false
    }],
    'operator-linebreak': [2, 'after', {
      'overrides': {
        '?': 'before',
        ':': 'before'
      }
    }],
    'padded-blocks': [2, 'never'],
    'quotes': [2, 'single', {
      'avoidEscape': true,
      'allowTemplateLiterals': true
    }],
    'semi': ['error', 'always'],
    'semi-spacing': [2, {
      'before': false,
      'after': true
    }],
    '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'],
    'wrap-iife': [2, 'any'],
    'yield-star-spacing': [2, 'both'],
    'yoda': [2, 'never'],
    'prefer-const': 2,
    'vue/max-attributes-per-line': [2, {
      'singleline': 10,
      'multiline': {
        'max': 1,
        'allowFirstLine': false,
      },
    }],
    'vue/name-property-casing': ['error', 'PascalCase'],
    'vue/no-v-html': 'off',
    'vue/multiline-html-element-content-newline': 'off',
    'vue/singleline-html-element-content-newline': 'off',
  },
};