text: import babel from 'rollup-plugin-babel';
  import { terser } from 'rollup-plugin-terser';
  import pkg from './package.json';
  
  const bannerLong = `/**
   * ${pkg.name}
   *
   * @copyright ${new Date().getFullYear()} ${pkg.author}
   * @license ${pkg.license}
   * @version ${pkg.version}
   */`;
  
  const bannerShort = `/*!
   2020 Jason Mulligan <jason.mulligan@avoidwork.com>
   @version ${pkg.version}
  */`;
  
  const umdOutBase = { format: 'umd', name: 'filesize' };
  const esmOutBase = { format: 'esm', name: 'filesize' };
  
  export default [
    {
      input: 'src/filesize.js',
      output: [
        { ...umdOutBase, file: 'lib/filesize.es6.js', banner: bannerLong },
        { ...umdOutBase, file: 'lib/filesize.es6.min.js', banner: bannerShort, plugins: [ terser() ], sourcemap: true },
      ]
    },
    {
      input: 'src/filesize.js',
      output: [
        { ...esmOutBase, file: 'lib/filesize.esm.js', banner: bannerLong },
        { ...esmOutBase, file: 'lib/filesize.esm.min.js', banner: bannerShort, plugins: [ terser() ], sourcemap: true },
      ]
    },
    {
      input: 'src/filesize.js',
      output: [
        { ...umdOutBase, file: 'lib/filesize.js', banner: bannerLong },
        { ...umdOutBase, file: 'lib/filesize.min.js', banner: bannerShort, plugins: [ terser() ], sourcemap: true },
      ],
      plugins: [ babel({presets: [['@babel/preset-env', { modules: false }]]}) ]
    }
  ]
  