rollup.config.mjs

import resolve from "@rollup/plugin-node-resolve";
import commonjs from "@rollup/plugin-commonjs";
import babel from "@rollup/plugin-babel";
import typescript from "@rollup/plugin-typescript";
import dts from "rollup-plugin-dts";
// import sucrase from '@rollup/plugin-sucrase';

// To handle css files
import postcss from "rollup-plugin-postcss";
import terser from "@rollup/plugin-terser";
import peerDepsExternal from "rollup-plugin-peer-deps-external";
import packageJson from "./package.json";
import del from "rollup-plugin-delete";

// import image from '@rollup/plugin-image';

console.log(packageJson.main);

export default [
  {
    input: "src/index.ts",
    output: [
      {
        // file: packageJson.main, #[!] RollupError: You must specify "output.file" or "output.dir" for the build.
        file: "dist/cjs/index.js",
        format: "cjs",
        sourcemap: true,
      },
      {
        // file: packageJson.module,
        file: "dist/esm/index.js",
        format: "esm",
        sourcemap: true,
      },
    ],
    plugins: [
      peerDepsExternal(),
      resolve({
        extensions: ["js", "ts", "tsx"],
      }),
      commonjs(),
      typescript({ tsconfig: "./tsconfig.json" }),
      babel({
        babelHelpers: "bundled",
        exclude: "node_modules/**",
      }),
      postcss({
        minimize: true,
        modules: true,
        use: {
          sass: null,
          stylus: null,
          less: { javascriptEnabled: true },
        },
        namedExports(name) {
          return name.replace(/-/g, "_");
        },
        // extract: true
      }),
      terser(),
      del({ targets: "dist/*" }),
      // image()
    ],
    external: ["react", "framer-motion"],
  },
  {
    input: "dist/esm/types/index.d.ts",
    output: [{ file: "dist/index.d.ts", format: "esm" }],
    plugins: [dts.default()],
    external: [/\.less$/], // telling rollup anything that is .css aren't part of type exports
  },
];