const fs = require('fs'); const toRollup = []; rollupToDoList('generated/tmpBrowser/','generated/npm/browser/'); rollupToDoList('generated/tmpNodejs/','generated/npm/nodejs/'); function rollupToDoList(org,dest){ fs.readdirSync(org).forEach( fileName => ( fileName.includes('.test') || !fileName.includes('.mjs') ) ? 0 : toRollup.push( { input: `${org}${fileName}`, output: { file: `${dest}${fileName}`, format: 'esm' } } )); } export default toRollup;