rollup.config.js

import typescript from '@rollup/plugin-typescript';
import commonjs from "@rollup/plugin-commonjs";
import resolve from "@rollup/plugin-node-resolve";
import { terser } from 'rollup-plugin-terser';
import dts from 'rollup-plugin-dts';

export default [
  {
    input: 'src/index.ts',
    output: {
      file: 'dist/index.js',
      format: 'es',
      sourcemap: false,
    },
    plugins: [
      resolve({
        browser: true,
        preferBuiltins: false
      }),
      commonjs(),
      typescript(),
      terser(),
    ]
  },
  {
    input: 'src/index.ts',
    output: {
      file: 'dist/index.d.ts',
      format: 'es'
    },
    plugins: [
      dts(),
    ]
  }
];