rollup.config.mjs

import pkg from './package.json' with { type: "json" };
import esbuild from 'rollup-plugin-esbuild';
import { dts } from 'rollup-plugin-dts';
import { defineConfig } from 'rollup';

const external = [...Object.keys(pkg.dependencies), ...Object.keys(pkg.peerDependencies)]
const input = "src/index.ts"

const configs = [
  defineConfig({
    input,
    plugins: [
      esbuild({
        tsconfig: 'tsconfig.json',
      }),
    ],
    output: [
      {
        file: 'lib/esm/index.js',
        format: 'es',
        sourcemap: true,
      },
      {
        file: 'lib/index.cjs',
        format: 'cjs',
        sourcemap: true,
      },
    ],
    external
  }),
  defineConfig({
    input,
    plugins: [dts()],
    output: [
      {
        file: `lib/esm/index.d.ts`,
        format: 'es',
        sourcemap: true,
      },
      {
        file: `lib/index.d.cts`,
        format: 'cjs',
        sourcemap: true,
      },
    ],
    external
  }),
];

export default configs;