.eslintrc.js

module.exports = {
  root: true,
  env: {
    browser: true,
    node: true,
    jest: true,
  },
  parserOptions: {
    parser: 'babel-eslint',
  },
  extends: [
    'standard',
    'prettier',
    'prettier/standard',
    'plugin:vue/recommended',
  ],
  plugins: ['prettier', 'vue', 'json'],
  rules: {
    'prettier/prettier': [
      1,
      {
        printWidth: 80,
        tabWidth: 2,
        useTabs: false,
        semi: false,
        singleQuote: true,
        trailingComma: 'es5',
        bracketSpacing: true,
        arrowParens: 'avoid',
      },
    ],
    'block-scoped-var': 'off',
    'complexity': 1,
    'default-case': 1,
    'eol-last': 'off',
    // https://github.com/prettier/eslint-config-prettier#max-len
    // 'max-len': ['error', { code: 80, ignoreTrailingComments: true, ignoreUrls: true }],
    'no-alert': 1,
    'no-console': 1,
    // allow debugger during development
    'no-debugger': process.env.NODE_ENV === 'production' ? 2 : 'off',
    'no-eval': 2,
    'no-script-url': 1,
    'no-var': 2,
    'no-void': 2,
    'prefer-const': 1,
    'space-after-keywords': 'off',
    'space-return-throw-case': 'off'
  },
}