text: // Rollup.js development and production configurations
  
  const dev = (process.env.NODE_ENV !== 'production');
  
  console.log(`running in ${ dev ? 'development' : 'production' } mode`);
  
  const sourcemap = dev ? 'inline' : false;
  
  export default [
  
    {
  
      input: './src/main.js',
  
      watch: {
        clearScreen: false
      },
  
      output: {
        file: './build/bundle.js',
        format: 'iife',
        sourcemap
      }
  
    }
  
  ]
  