.eslintrc.js

module.exports = {
  root: true,
  extends: [
    'airbnb-base',
    'plugin:vue/recommended',
  ],
  rules: {
    'no-underscore-dangle': 'off',
    'import/no-unresolved': [2, { caseSensitive: true }],
    'import/prefer-default-export': 'off',
    'arrow-parens': [2, 'as-needed'],
    'no-trailing-spaces': ['error', { skipBlankLines: true, ignoreComments: true }],
    'no-confusing-arrow': ['error', { allowParens: true }],
    'class-methods-use-this': 'off',
    'consistent-return': 'off',
    'no-plusplus': 'off',
    'no-new': 'off',
    'prefer-promise-reject-errors': 'off',
    'nonblock-statement-body-position': ['error', 'beside', { overrides: { if: 'any' } }],
    curly: ['error', 'multi-or-nest', 'consistent'],
    camelcase: 'off',
    'no-param-reassign': [
      'error',
      {
        props: true,
        ignorePropertyModificationsFor: [
          'state',
        ],
      },
    ],
    'vue/singleline-html-element-content-newline': ['error', {
      ignoreWhenNoAttributes: true,
      ignoreWhenEmpty: true,
      ignores: ['pre', 'textarea', 'div', 'span'],
    }],
    'no-console': process.env.NODE_ENV === 'production' ? 'error' : 'off',
    'no-debugger': process.env.NODE_ENV === 'production' ? 'error' : 'off',
    'no-use-before-define': 'off',
    'max-len': [
      'error', {
        code: 130,
        ignoreComments: true,
        ignoreTrailingComments: true,
        ignoreUrls: true,
        ignoreStrings: true,
        ignoreRegExpLiterals: true,
      },
    ],
  },
  env: {
    browser: true,
    es6: true,
    mocha: true,
  },
  settings: {
    'import/resolver': {
      webpack: {
        config: 'build/webpack.config.dev.js',
      },
    },
  },
  plugins: [
    'vue',
  ],
  parserOptions: {
    parser: '@babel/eslint-parser',
    ecmaVersion: 2017,
    sourceType: 'module',
  },
};