src/utils/prisma-seed.util.ts

@@ -116,6 +116,7 @@ export const seedWithRelation = async <
 export type ForeignKeyConfig<ChildType> = {
     parentModel: keyof PrismaClient;
     parentLookupKey: string;
+    parentPrimaryKey?: string;
     childReferenceKey: keyof ChildType;
     childForeignKeyField: keyof ChildType;
   };
@@ -141,7 +142,8 @@ export const seedWithMultipleParents = async <
 
         const map = new Map<any, any>();
         for (const parent of parents) {
-            map.set(parent[fk.parentLookupKey], parent.id);
+            const id = fk.parentPrimaryKey ?? "id";
+            map.set(parent[fk.parentLookupKey], parent[id]);
         }
 
         lookupMaps[String(fk.parentModel)] = map;