gill/packages/build-scripts/tsup.config.library.ts

import { defineConfig } from "tsup";

import { getBaseConfig } from "./getBaseConfig";
import packageConfigOrConfigsOrPromiseGetterForSame from "./tsup.config.package";

export default defineConfig(async (options) => {
  const packageConfigOptionOrOptions =
    typeof packageConfigOrConfigsOrPromiseGetterForSame === "function"
      ? await packageConfigOrConfigsOrPromiseGetterForSame(options)
      : packageConfigOrConfigsOrPromiseGetterForSame;
  const packageConfigOptions = Array.isArray(packageConfigOptionOrOptions)
    ? packageConfigOptionOrOptions
    : [packageConfigOptionOrOptions];
  return [
    ...packageConfigOptions,
    ...getBaseConfig("browser", ["iife"], options),
  ];
});