rollup.config.js

import commonjs from "@rollup/plugin-commonjs";
import nodeResolve from "@rollup/plugin-node-resolve";
import babel from "@rollup/plugin-babel";
import { generateHeader } from "vis-dev-utils";
import terser from "@rollup/plugin-terser";
import { BABEL_IGNORE_RE } from "vis-dev-utils";

const banner = generateHeader();

export default [
  {
    input: "index.js",
    output: {
      banner,
      file: "dist/esm.js",
      format: "esm",
      sourcemap: true,
    },
    plugins: [
      commonjs(),
      nodeResolve({
        browser: true,
      }),
      babel({
        babelHelpers: "runtime",
        exclude: BABEL_IGNORE_RE,
      }),
    ],
  },
  {
    input: "index.js",
    output: {
      banner,
      file: "dist/vis-graph3d.min.js",
      format: "umd",
      exports: "named",
      name: "vis",
      extend: true,
      sourcemap: true,
    },
    plugins: [
      commonjs(),
      nodeResolve({
        browser: true,
      }),
      babel({
        babelHelpers: "runtime",
        exclude: BABEL_IGNORE_RE,
      }),
      terser({
        output: {
          comments: (_node, { value }) => /@license/.test(value),
        },
      }),
    ],
  },
];