.eslintrc.js

module.exports = {
  root: true,
  env: {
    node: true
  },
  extends: ['plugin:vue/essential', 'eslint:recommended', 'prettier'],
  parserOptions: {
    parser: 'babel-eslint'
  },
  rules: {
    'no-tabs': 'off',
    // 'no-console': process.env.NODE_ENV === 'production' ? 'error' : 'off',
    'no-debugger': 'off',
    'block-scoped-var': 2,
    'object-curly-spacing': [2, 'always'],
    'brace-style': [2, '1tbs', { allowSingleLine: true }],
    camelcase: 0,
    'comma-dangle': 0,
    'comma-spacing': [2, { before: false, after: true }],
    'comma-style': [2, 'last'],
    complexity: 0,
    'consistent-return': 0,
    'consistent-this': 0,
    curly: [2, 'multi-line'],
    'default-case': 2,
    'dot-location': [2, 'property'],
    'dot-notation': 0,
    'eol-last': 2,
    eqeqeq: 0,
    'func-names': 0,
    'func-style': 0,
    'generator-star-spacing': [2, 'both'],
    'guard-for-in': 0,
    'handle-callback-err': [2, '^(err|error|anySpecificError)$'],
    indent: [0, 2, { SwitchCase: 1 }],
    'key-spacing': [2, { beforeColon: false, afterColon: true }],
    'keyword-spacing': [2, { before: true, after: true }],
    'linebreak-style': 0,
    'max-depth': 0,
    'max-len': 0,
    'max-nested-callbacks': 0,
    'max-params': 0,
    'max-statements': 0,
    'new-cap': [2, { newIsCap: true, capIsNew: false }],
    'padding-line-between-statements': 0,
    'new-parens': 2,
    'no-alert': 0,
    'no-array-constructor': 2,
    'no-bitwise': 0,
    'no-caller': 2,
    'no-catch-shadow': 0,
    'no-cond-assign': 2,
    // 'no-console': 0,
    'no-constant-condition': 0,
    'no-continue': 0,
    'no-control-regex': 2,
    // 'no-debugger': 0,
    'no-delete-var': 2,
    'no-div-regex': 0,
    'no-dupe-args': 2,
    'no-dupe-keys': 2,
    'no-duplicate-case': 2,
    'no-else-return': 0,
    'no-empty': 0,
    'no-empty-character-class': 2,
    'no-eq-null': 0,
    'no-eval': 2,
    'no-ex-assign': 2,
    'no-extend-native': 2,
    'no-extra-bind': 2,
    'no-extra-boolean-cast': 2,
    'no-extra-parens': 0,
    'no-extra-semi': 0,
    'no-extra-strict': 0,
    'no-fallthrough': 2,
    'no-floating-decimal': 2,
    'no-func-assign': 2,
    'no-implied-eval': 2,
    'no-inline-comments': 0,
    'no-inner-declarations': [2, 'functions'],
    'no-invalid-regexp': 2,
    'no-irregular-whitespace': 2,
    'no-iterator': 2,
    'no-label-var': 2,
    'no-labels': 2,
    'no-lone-blocks': 0,
    'no-lonely-if': 0,
    'no-loop-func': 0,
    'no-mixed-requires': 0,
    'no-mixed-spaces-and-tabs': [2, false],
    'no-multi-spaces': 2,
    'no-multi-str': 2,
    'no-multiple-empty-lines': [2, { max: 1 }],
    'no-global-assign': 2,
    'no-unsafe-negation': 2,
    'no-nested-ternary': 0,
    'no-new': 0,
    'no-new-func': 2,
    'no-new-object': 2,
    'no-new-require': 2,
    'no-new-wrappers': 2,
    'no-obj-calls': 2,
    'no-octal': 2,
    'no-octal-escape': 2,
    'no-path-concat': 0,
    'no-plusplus': 0,
    'no-process-env': 0,
    'no-process-exit': 0,
    'no-proto': 2,
    'no-prototype-builtins': 0,
    'no-redeclare': 2,
    'no-regex-spaces': 2,
    'no-reserved-keys': 0,
    'no-restricted-modules': 0,
    'no-return-assign': 2,
    'no-script-url': 0,
    'no-self-compare': 2,
    'no-sequences': 2,
    'no-shadow': 0,
    'no-shadow-restricted-names': 2,
    'func-call-spacing': [2, 'never'],
    'no-sparse-arrays': 2,
    'no-sync': 0,
    'no-ternary': 0,
    'no-throw-literal': 0,
    'no-trailing-spaces': 2,
    'no-undef': 2,
    'no-undef-init': 2,
    'no-undefined': 0,
    'no-underscore-dangle': 0,
    'no-unneeded-ternary': 2,
    'no-unreachable': 2,
    'no-unused-expressions': 0,
    'no-unused-vars': [1, { vars: 'all', args: 'none' }],
    'no-use-before-define': 2,
    'no-var': 0,
    'no-void': 0,
    'no-warning-comments': 0,
    'no-with': 2,
    'one-var': 0,
    'operator-assignment': 0,
    'operator-linebreak': [0, 'before'],
    'padded-blocks': 0,
    'quote-props': 0,
    quotes: [2, 'single', { avoidEscape: true }],
    radix: 0,
    semi: 0,
    'semi-spacing': 0,
    'sort-vars': 0,
    'space-before-blocks': [2, 'always'],
    'space-before-function-paren': [
      2,
      { anonymous: 'always', named: 'never', asyncArrow: 'always' }
    ],
    'space-in-brackets': 0,
    'space-in-parens': [2, 'never'],
    'space-infix-ops': 2,
    'space-unary-ops': [2, { words: true, nonwords: false }],
    'spaced-comment': [2, 'always'],
    strict: 0,
    'use-isnan': 2,
    'valid-jsdoc': 0,
    'valid-typeof': 2,
    'vars-on-top': 2,
    'wrap-iife': [2, 'any'],
    'wrap-regex': 0,
    yoda: [2, 'never'],
    'newline-after-var': 0,
    'vue/no-side-effects-in-computed-properties': 'off'
  },
  overrides: [
    {
      files: ['**/__tests__/*.{j,t}s?(x)', '**/tests/unit/**/*.spec.{j,t}s?(x)'],
      env: {
        jest: true
      }
    }
  ]
}