text: export default {
    // Add extra entry points here if there are multiple to build
    input: ['src/app.js'],
    
    output: [
      // ES module build
      {
        dir: 'dist/esm',
        format: 'esm'
      },
      // SystemJS build
      {
        dir: 'dist/system',
        format: 'system'
      }
    ],
  
    // disable external module warnings
    // (JSPM / the import map handles these for us instead)
    onwarn (warning, warn) {
      if (warning.code === 'UNRESOLVED_IMPORT')
        return;
      warn(warning);
    }
  };
  