rollup.config.js

import { babel } from "@rollup/plugin-babel";
import commonjs from "@rollup/plugin-commonjs";
import resolve from "@rollup/plugin-node-resolve";
import terser from "@rollup/plugin-terser";
import typescript from "@rollup/plugin-typescript";
import peerDepsExternal from "rollup-plugin-peer-deps-external";
import postcss from "rollup-plugin-postcss";
import pkg from "./package.json" with { type: "json" };

export default {
  input: "src/index.ts",
  output: [
    {
      file: pkg.main,
      format: "cjs",
      sourcemap: true,
    },
    {
      file: pkg.module,
      format: "esm",
      sourcemap: true,
    },
  ],
  plugins: [
    peerDepsExternal(),
    resolve(),
    commonjs(),
    typescript({ tsconfig: "./tsconfig.json" }),
    postcss({
      extensions: [".css"],
      minimize: true,
      inject: {
        insertAt: "top",
      },
    }),
    babel({
      exclude: "node_modules/**",
      presets: ["@babel/preset-react", "@babel/preset-env"],
      babelHelpers: "bundled",
    }),
    terser(),
  ],
  external: ["react", "react-dom"],
};