const node = require('rollup-plugin-node-resolve'); const commonjs = require('rollup-plugin-commonjs'); const banner = `/** * @license Angular v0.0.0-PLACEHOLDER * (c) 2010-2019 Google LLC. https://angular.io/ * License: MIT */`; module.exports = { plugins: [ node({ mainFields: ['es2015', 'module', 'jsnext:main', 'main'], }), commonjs(), ], output: {name: 'Zone', banner}, }