babel.config.js expo-firebase-email-auth

babel.config.js

module.exports = function(api) {
  api.cache(true);
  return {
    presets: ['babel-preset-expo'],    
      "plugins": [
        ["module:react-native-dotenv", {
          "moduleName": "@env",
          "path": ".env",
          "blacklist": null,
          "whitelist": null,
          "safe": false,
          "allowUndefined": true
        }]
      ]    
  };  
};