App/babel.config.js

module.exports = function (api) {
  api.cache(true);
  return {
    presets: ['module:metro-react-native-babel-preset'],
    plugins: [
      [
        'module-resolver',
        {
          alias: {
            '@caj': './src/caj',
          },
        },
      ],
    ],
  };
};