rollup.config.js

import del from "rollup-plugin-delete";
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 external from "rollup-plugin-peer-deps-external";
import { dts } from "rollup-plugin-dts";

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

export default [
  {
    input: "src/index.ts",
    output: [
      {
        file: packageJson.main,
        format: "cjs",
        sourcemap: true,
        name: "react-ts-lib",
      },
      {
        file: packageJson.module,
        format: "esm",
        sourcemap: true,
      },
    ],
    external: ["react", "react-dom", "styled-components"],
    plugins: [
      del({ targets: "dist/*" }),
      external(),
      resolve(),
      commonjs(),
      typescript({
        tsconfig: "./tsconfig.json",
        declaration: true,
        declarationDir: "dist",
      }),
      terser(),
    ],
  },
  {
    input: "dist/esm/index.d.ts",
    output: [{ file: "dist/index.d.ts", format: "esm" }],
    plugins: [dts()],
  },
];