.eslintrc.js

module.exports = {
  root: true,
  parser: 'babel-eslint',
  env: {
    browser: true,
    node: true,
    'jest/globals': true
  },
  extends: ['standard', 'plugin:jest/recommended'],
  plugins: ['node', 'jest'],
  rules: {
    'no-debugger': process.env.NODE_ENV === 'production' ? 'error' : 'off'
  }
}