rollup.config.js

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

export default [
    {
        input: 'index.js',
        output: {
            file: 'build/d3-graphviz.js',
            format: 'umd',
            name: 'd3-graphviz',
            sourcemap: true,
            globals: {
                'd3-selection': 'd3',
                'd3-transition': 'd3',
                'd3-interpolate': 'd3',
                'd3-zoom': 'd3',
                'd3-dispatch': 'd3',
                'd3-format': 'd3',
                'd3-timer': 'd3',
                'd3-path': 'd3',
                '@hpcc-js/wasm': '@hpcc-js/wasm',
            },
        },
        external: [
            'd3-selection',
            'd3-transition',
            'd3-interpolate',
            'd3-zoom',
            'd3-dispatch',
            'd3-format',
            'd3-timer',
            'd3-path',
            '@hpcc-js/wasm',
        ],
        plugins: [
            resolve(),
            (process.env.NODE_ENV === 'production' && babel({
                exclude: ['node_modules/**'],
            })),
        ],
    }
];