text: const isTest = String( process.env.NODE_ENV === 'test' )
  const isProduction = String(process.env.NODE_ENV === 'production' )
  
  module.exports = {
    presets: [
      "@babel/preset-react",
      ["@babel/preset-env", {
        modules: isTest ? "commonjs" : false,
        loose: true
      }]
    ],
    "plugins": [
      isProduction ? "emotion" : ["emotion", {"sourceMap": true}] // must be FIRST listed plugin
    ]
  }