rollup.config.mjs

import typescript from "rollup-plugin-typescript2";
import { uglify } from "rollup-plugin-uglify";
import copy from "rollup-plugin-copy";
import { nodeResolve } from "@rollup/plugin-node-resolve";

const bundles = [
  {
    name: "blobs",
    entry: "public/legacy.ts",
    types: "public/legacy.d.ts",
    output: ".",
  },
  {
    name: "blobs",
    entry: "public/legacy.ts",
    types: "public/legacy.d.ts",
    output: "v1",
  },
  {
    name: "blobs2",
    entry: "public/blobs.ts",
    types: "public/blobs.d.ts",
    output: "v2",
  },
  {
    name: "blobs2Animate",
    entry: "public/animate.ts",
    types: "public/animate.d.ts",
    output: "v2/animate",
  },
];

export default ["es", "umd"].flatMap((format) =>
  bundles.map((bundle) => ({
    input: bundle.entry,
    output: {
      file: bundle.output + `/index${format == "es" ? ".module" : ""}.js`,
      format: format,
      name: bundle.name,
      sourcemap: true,
    },
    plugins: [
      nodeResolve(),
      typescript({ cacheRoot: "./node_modules/.cache/rpt2" }),
      uglify(),
      copy({
        hook: "writeBundle",
        targets: [{
          src: bundle.types,
          dest: bundle.output,
          rename: "index.d.ts",
        }],
        verbose: true,
      }),
    ],
  }))
);