*Export function that returns a defineConfig

src/index.ts

@@ -1,11 +1,12 @@
-import { defineConfig } from "rollup";
+import { defineConfig, RollupOptions } from "rollup";
 import commonjs from "@rollup/plugin-commonjs";
 import { nodeResolve } from "@rollup/plugin-node-resolve";
 import { bundleNativeModulesPlugin } from "@lumeweb/rollup-plugin-bundle-native-modules";
 import typescript from "@rollup/plugin-typescript";
 import json from "@rollup/plugin-json";
 
-const preset = defineConfig({
+export default function preset(): RollupOptions {
+  return defineConfig({
     plugins: [
       typescript(),
       json(),
@@ -13,6 +14,5 @@ const preset = defineConfig({
       commonjs(),
       bundleNativeModulesPlugin(),
     ],
-});
+  });
-
+}
-export default preset;