rollup.config.js

const resolve = require('@rollup/plugin-node-resolve');
const commonjs = require('@rollup/plugin-commonjs');
const typescript = require('@rollup/plugin-typescript');
const peerDepsExternal = require('rollup-plugin-peer-deps-external');

const packageJson = require('./package.json');

module.exports = {
  input: 'src/index.ts',
  output: [
    {
      file: packageJson.main,
      format: 'cjs',
      sourcemap: true,
    },
    {
      file: packageJson.module,
      format: 'esm',
      sourcemap: true,
    },
  ],
  plugins: [
    peerDepsExternal(),
    resolve(),
    commonjs(),
    typescript({
      tsconfig: './tsconfig.json',
      noEmitOnError: false,
    }),
  ],
};