From ee5ebb5766aad8d7f90898d546d0d16af113f597 Mon Sep 17 00:00:00 2001
From: WangDL <wangdl2900@163.com>
Date: Sun, 24 May 2026 20:38:46 +0800
Subject: [PATCH] fix: add BigInt JSON serialization patch for Prisma BigInt
 columns
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UploadedFile.sizeBytes is BigInt → JSON.stringify throws TypeError.
Add BigInt.prototype.toJSON to convert to Number globally.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
---
 src/main.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/main.ts b/src/main.ts
index ed14af0..1b11c4b 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -1,3 +1,6 @@
+// Patch BigInt JSON serialization (Prisma returns BigInt for BigInt columns)
+;(BigInt.prototype as any).toJSON = function () { return Number(this) };
+
 import { NestFactory } from '@nestjs/core';
 import { SwaggerModule, DocumentBuilder } from '@nestjs/swagger';
 import { AppModule } from './app.module';