.eslintrc.js

module.exports = {
  root: true,
  env: {
    node: true
  },
  extends: ['plugin:vue/essential', 'eslint:recommended', '@vue/prettier'],
  parserOptions: {
    parser: 'babel-eslint'
  },
  rules: {
    'no-console': process.env.NODE_ENV === 'production' ? 'warn' : 'off',
    'no-debugger': process.env.NODE_ENV === 'production' ? 'warn' : 'off',
    'no-unused-vars': 'off',
    'prettier/prettier': [
      'error',
      {
        semi: false,
        singleQuote: true,
        printWidth: 120,
        endOfLine: 'auto',
        trailingComma: 'none',
        proseWrap: 'never'
      }
    ]
  },
  overrides: [
    {
      files: ['**/__tests__/*.{j,t}s?(x)', '**/tests/unit/**/*.spec.{j,t}s?(x)'],
      env: {
        mocha: true
      }
    }
  ]
}