rollup.config.js

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

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

export default [
  {
    input: "src/lib/index.ts",
    output: [
      {
        file: packageJson.main,
        format: "cjs",
      },
      {
        file: packageJson.module,
        format: "esm",
      },
    ],
    plugins: [
      resolve(),
      commonjs(),
      postcss({ inject: true, extensions: ['.css'] }),
      typescript({ tsconfig: "./tsconfig.json" }),
      terser(),
    ],
    external: ["react", "react-dom"],
  },
  {
    input: "src/lib/index.ts",
    output: [{ file: "build/index.d.ts", format: "es" }],
    plugins: [
      postcss({ inject: true, extensions: ['.css'] }),
      dts.default()
    ],
  },

];