create-rx-app/template/common/_babel.config.js

ReactXP Project Generator

module.exports = function(api) {
  api.cache.forever();

  const presets = [
    ['module:metro-react-native-babel-preset'],
  ];

  const plugins = [
    ['@babel/proposal-decorators', { legacy: true }],
  ];

  if (process.env.platform === 'web') {
    return {
      presets: ['@babel/env', ...presets],
      plugins,
    }
  }

  return { presets, plugins };
};