rollup.config.js

import {terser} from 'rollup-plugin-terser';
import json from '@rollup/plugin-json';
import license from 'rollup-plugin-license';

const jsonPlugin = json({include: 'package.json', preferConst: true});
const licensePlugin = license({
    sourcemap: true,
    banner: {
        content: {
            file: 'LICENSE_BANNER'
        }
    }
});

const d3Modules = {
    'd3': 'd3',
    'd3-array': 'd3',
    'd3-axis': 'd3',
    'd3-brush': 'd3',
    'd3-collection': 'd3',
    'd3-dispatch': 'd3',
    'd3-ease': 'd3',
    'd3-format': 'd3',
    'd3-geo': 'd3',
    'd3-hierarchy': 'd3',
    'd3-interpolate': 'd3',
    'd3-scale-chromatic': 'd3',
    'd3-scale': 'd3',
    'd3-selection': 'd3',
    'd3-shape': 'd3',
    'd3-time': 'd3',
    'd3-time-format': 'd3',
    'd3-timer': 'd3',
    'd3-zoom': 'd3'
};

const umdConf = {
    file: 'dist/dc.js',
    format: 'umd',
    name: 'dc',
    sourcemap: true,
    globals: d3Modules,
    paths: d3Modules
};

const umdMinConf = Object.assign({}, umdConf, {
    file: 'dist/dc.min.js',
    plugins: [terser()]
});

export default [
    {
        input: 'src/index-with-version.js',
        external: Object.keys(d3Modules),
        plugins: [
            jsonPlugin,
            licensePlugin
        ],
        output: [
            umdConf,
            umdMinConf
        ]
    }
];