.eslintrc.js

module.exports = {
  root: true,
  parserOptions: {
    parser: 'babel-eslint',
    sourceType: 'module'
  },
  env: {
    browser: true,
    node: true,
    es6: true
  },
  extends: ['plugin:vue/recommended', 'standard'],
  rules: {
    'no-console': process.env.NODE_ENV === 'production' ? 'error' : 'off',
    'no-debugger': process.env.NODE_ENV === 'production' ? 'error' : 'off',
    indent: ['warn', 2],
    'vue/html-indent': ['warn', 2],
    'no-param-reassign': 'off',
    'max-len': ['error', 150, 2],
    semi: 0,
    'no-unused-vars': [
      'error',
      {
        vars: 'all',
        args: 'none',
        ignoreRestSiblings: true
      }
    ],
    'space-before-function-paren': 0,
    'vue/max-attributes-per-line': 'off',
    'vue/singleline-html-element-content-newline': 'off',
    'vue/html-closing-bracket-spacing': 'off',
    'vue/html-self-closing': 'off',
    'vue/multiline-html-element-content-newline': 'off',
    'vue/mustache-interpolation-spacing': 'off',
    'vue/no-lone-template': 'off',
    'comma-dangle': [
      'error',
      {
        arrays: 'never',
        objects: 'only-multiline',
        imports: 'never',
        exports: 'never',
        functions: 'never'
      }
    ],
    'prefer-promise-reject-errors': 0
  }
}