rollup.config.js

import babel from '@rollup/plugin-babel';
import external from 'rollup-plugin-peer-deps-external';
import del from 'rollup-plugin-delete';
import pkg from './package.json';
import resolve from '@rollup/plugin-node-resolve';
import commonjs from '@rollup/plugin-commonjs';
import { terser } from "rollup-plugin-terser"
import json from '@rollup/plugin-json';
// import { nodeResolve } from "@rollup/plugin-node-resolve";

export default {
    input: pkg.source,
    output: [
        { file: pkg.main, format: 'cjs' },
        { file: pkg.module, format: 'esm' }
    ],
    plugins: [
        resolve(),
        external(),
        babel({
            exclude: 'node_modules/**'
        }),
        json(),
        commonjs(),
        terser(),
        del({ targets: ['dist/*'] }),
    ],
    external: Object.keys(pkg.peerDependencies || {}),
};