text: import { terser } from 'rollup-plugin-terser';
  import config from './base.js';
  
  config.output.file = 'dist/esri-leaflet-cluster.js';
  
  // use a Regex to preserve copyright text
  config.plugins.push(terser({ format: { comments: /Institute, Inc/ } }));
  
  export default config;
  