rollup.config.js

import resolve from '@rollup/plugin-node-resolve';
import commonjs from '@rollup/plugin-commonjs';
import babel from "@rollup/plugin-babel";
import { terser } from "rollup-plugin-terser";
import json from '@rollup/plugin-json';
import pkg from './package.json';

const externalSet = new Set(["@kubric/utils"]);

export default [{
  input: 'src/index.js',
  output: [{
    file: pkg.main,
    format: 'cjs',
    sourcemap: "inline"
  }, {
    file: pkg.module,
    format: 'esm',
    sourcemap: "inline"
  }],
  plugins: [
    babel({
      babelrc: false,
      exclude: "node_modules/**",
      presets: [
        require("@babel/preset-env")
      ],
      plugins: [
        require("@babel/plugin-proposal-class-properties"),
        require("@babel/plugin-proposal-function-bind"),
        require("@babel/plugin-proposal-object-rest-spread")
      ],
      extensions: ['.js']
    }),
    resolve(),
    commonjs(),
    json(),
    terser()
  ],
  external: id => id.includes('@babel/runtime') || externalSet.has(id)
}];