fix recurring product

Author: emilwidlund

package.json

@@ -1,6 +1,6 @@
 {
 	"name": "polar-migrate",
-	"version": "0.1.6",
+	"version": "0.1.7",
 	"license": "Apache-2.0",
 	"bin": "bin/cli.js",
 	"type": "module",

src/product.ts

@@ -122,7 +122,9 @@ export const createProduct = async (
 	const createParams: ProductCreate = {
 		name: productName,
 		prices: [price],
-		recurringInterval: resolveInterval(variant.attributes.interval),
+		recurringInterval: variant.attributes.is_subscription
+			? resolveInterval(variant.attributes.interval)
+			: null,
 		description: description,
 		organizationId: organization.id,
 	};