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 external from "rollup-plugin-peer-deps-external";
import postcss from "rollup-plugin-postcss";

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

export default {
	input: "src/components/index.ts",
	external: ["react", "react-native"],
	output: [
		{
			file: packageJson.main,
			format: "cjs",
			sourcemap: true,
			name: "react-lib"
		},
		{
			file: packageJson.module,
			format: "esm",
			sourcemap: true
		}
	],
	plugins: [
		external(),
		resolve(),
		commonjs(),
		typescript({ tsconfig: "./tsconfig.json" }),
		postcss(),
		terser()
	]
};