rollup.config.js

import resolve from "@rollup/plugin-node-resolve";
import commonjs from "@rollup/plugin-commonjs";
import typescript from "@rollup/plugin-typescript";
import json from "@rollup/plugin-json";
import nodePolyfills from 'rollup-plugin-polyfill-node';
import excludeDependenciesFromBundle from "rollup-plugin-exclude-dependencies-from-bundle";
import dts from 'rollup-plugin-dts'

export default [
  // browser-friendly UMD build
  {
    input: "src/index.ts",
    output: {
      name: "bitcoin-ef",
      file: "dist/typescript-npm-package.umd.js",
      format: "umd",
      sourcemap: true,
    },
    plugins: [
      commonjs(),
      json(),
      typescript({ tsconfig: "./tsconfig.json", sourceMap: true }),
      nodePolyfills(),
    ],
  },
  {
    input: "src/bsv/index.ts",
    output: {
      name: "bitcoin-ef/bsv",
      file: "dist/bsv/typescript-npm-package.umd.js",
      format: "umd",
      sourcemap: true,
    },
    external: ['bsv'],
    plugins: [
      resolve({
        skip: ['bsv']
      }),
      commonjs(),
      json(),
      typescript({ tsconfig: "./tsconfig.json", sourceMap: true }),
      nodePolyfills(),
    ],
  },

  // CommonJS (for Node) and ES module (for bundlers) build.
  // (We could have three entries in the configuration array
  // instead of two, but it's quicker to generate multiple
  // builds from a single configuration where possible, using
  // an array for the `output` option, where we can specify
  // `file` and `format` for each target)
  {
    input: "src/index.ts",
    output: [
      { file: "dist/typescript-npm-package.cjs", format: "cjs", sourcemap: true },
      { file: "dist/typescript-npm-package.esm.js", format: "es", sourcemap: true },
    ],
    plugins: [
      typescript({ tsconfig: "./tsconfig.json", sourceMap: true }),
      excludeDependenciesFromBundle( { peerDependencies: true } ),
    ],
  },
  {
    input: "src/bsv/index.ts",
    output: [
      { file: "dist/bsv/typescript-npm-package.cjs", format: "cjs", sourcemap: true },
      { file: "dist/bsv/typescript-npm-package.esm.js", format: "es", sourcemap: true },
    ],
    plugins: [
      typescript({ tsconfig: "./tsconfig.json", sourceMap: true }),
      excludeDependenciesFromBundle( { peerDependencies: true } ),
    ],
  },

  // cli output
  {
    input: "src/cli.ts",
    output: [
      {
        file: 'dist/cli.cjs',
        format: "cjs",
        sourcemap: true,
        banner: '#!/usr/bin/env node',
      },
    ],
    plugins: [
      typescript({ tsconfig: "./tsconfig.json", sourceMap: false }),
      excludeDependenciesFromBundle( { peerDependencies: true } ),
    ],
  },

  {
    // path to your declaration files root
    input: './dist/src/index.d.ts',
    output: [
      { file: 'dist/typescript-npm-package.cjs.d.ts', format: 'es' },
      { file: 'dist/typescript-npm-package.esm.d.ts', format: 'es' },
      { file: 'dist/typescript-npm-package.umd.d.ts', format: 'es' }
    ],
    plugins: [dts()],
  },
];