marked/rollup.config.js

import babel from '@rollup/plugin-babel';

const banner = `/**
 * marked - a markdown parser
 * Copyright (c) 2011-${new Date().getFullYear()}, Christopher Jeffrey. (MIT Licensed)
 * https://github.com/markedjs/marked
 */

/**
 * DO NOT EDIT THIS FILE
 * The code in this file is generated from files in ./src/
 */
`;

export default [{
  input: 'src/marked.js',
  output: {
    file: 'lib/marked.esm.js',
    format: 'esm',
    banner
  }
},
{
  input: 'src/marked.js',
  output: {
    file: 'lib/marked.umd.js',
    format: 'umd',
    name: 'marked',
    banner
  },
  plugins: [
    babel({
      presets: [['@babel/preset-env', { loose: true }]]
    })
  ]
},
{
  input: 'src/marked.js',
  output: {
    file: 'lib/marked.cjs',
    format: 'cjs',
    name: 'marked',
    banner
  },
  plugins: [
    babel({
      presets: [['@babel/preset-env', { loose: true }]]
    })
  ]
}];