rollup.config.js

import resolve from "@rollup/plugin-node-resolve";
import commonjs from "@rollup/plugin-commonjs";
import { terser } from "rollup-plugin-terser";

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

export default [
  {
    input: "src/index.js",
    output: [
      {
        file: packageJson.main,
        format: "cjs",
        sourcemap: true,
      },
      {
        file: packageJson.module,
        format: "esm",
        sourcemap: true,
      },
    ],
    plugins: [resolve(), commonjs(), terser()],
  },
  {
    input: "src/updateTheme.js",
    output: [
      {
        file: "lib/updateTheme.min.cjs",
        format: "cjs",
        sourcemap: true,
      },
      {
        file: "lib/updateTheme.esm.js",
        format: "esm",
        sourcemap: true,
      },
    ],
    plugins: [resolve(), commonjs(), terser()],
  },
];