rollup.config.js

import resolve from "@rollup/plugin-node-resolve"
import commonjs from "@rollup/plugin-commonjs"
import typescript from "@rollup/plugin-typescript"
import peerDepsExternal from "rollup-plugin-peer-deps-external"
import { dts } from "rollup-plugin-dts"
import { readFileSync } from "fs"

// Read package.json as JSON
const packageJson = JSON.parse(readFileSync("./package.json", "utf8"))

export default [
  {
    input: "src/index.ts",
    output: [
      {
        file: packageJson.main,
        format: "cjs",
        sourcemap: true,
        exports: "named",
      },
      {
        file: packageJson.module,
        format: "esm",
        sourcemap: true,
      },
    ],
    plugins: [
      peerDepsExternal(),
      resolve({
        browser: true,
      }),
      commonjs(),
      typescript({
        tsconfig: "./tsconfig.json",
        exclude: ["**/*.test.ts", "**/*.test.tsx", "**/*.stories.tsx"],
      }),
    ],
    external: ["react", "react-dom"],
  },
  {
    input: "src/index.ts",
    output: [{ file: "dist/index.d.ts", format: "esm" }],
    plugins: [dts()],
    external: [/\.css$/, "react", "react-dom"],
  },
]