Sample Rollup Project

install.sh

npm install --save-dev rollup rollup-plugin-node-resolve rollup-plugin-commonjs rollup-plugin-babel @babel/preset-env

npm run build

package.json

{
  "name": "sample-library",
  "version": "1.0.0",
  "description": "A sample Node.js library",
  "main": "index.js",
  "scripts": {
    "build": "rollup -c"
  },
  "author": "Your Name",
  "license": "MIT"
}

rollup.config.js

import resolve from 'rollup-plugin-node-resolve';
import commonjs from 'rollup-plugin-commonjs';
import babel from 'rollup-plugin-babel';

export default {
  input: 'src/index.js', // Specify the entry point of your library
  output: {
    file: 'dist/bundle.js', // Specify the name and location of the bundled file
    format: 'umd', // Choose the desired module format (e.g., UMD)
    name: 'SampleLibrary', // Specify the global variable name if your library is used in a non-module environment
    sourcemap: true, // Generate sourcemaps for debugging
  },
  plugins: [
    resolve(),
    commonjs(),
    babel({
      exclude: 'node_modules/**',
      presets: ['@babel/preset-env'],
    }),
  ],
};