From 9afb5fcee8296a6454999a33420c2bac2ef8e358 Mon Sep 17 00:00:00 2001
From: Munkherdene <muunuu960@gmail.com>
Date: Sat, 22 Aug 2026 20:29:35 +0800
Subject: [PATCH] fix(web): handle empty-body 201/204 responses in API client

---
 src/api/client.test.ts | 8 +++++++-
 src/api/client.ts      | 3 ++-
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/api/client.test.ts b/src/api/client.test.ts
index 3118c47..57e471c 100644
--- a/src/api/client.test.ts
+++ b/src/api/client.test.ts
@@ -1,5 +1,5 @@
 import { describe, it, expect, vi, beforeEach } from "vitest";
-import { apiGet } from "./client";
+import { apiGet, apiSend } from "./client";
 import { NetWorthSchema } from "./schemas";
 beforeEach(() => vi.restoreAllMocks());
 describe("apiGet", () => {
@@ -13,3 +13,9 @@ describe("apiGet", () => {
     await expect(apiGet("/networth", NetWorthSchema)).rejects.toThrow();
   });
 });
+describe("apiSend", () => {
+  it("resolves to null on an empty-body 201 (e.g. POST /categories, POST /manual-assets)", async () => {
+    vi.stubGlobal("fetch", vi.fn(async () => new Response("", { status: 201 })));
+    await expect(apiSend("POST", "/categories", { name: "Food" })).resolves.toBeNull();
+  });
+});
diff --git a/src/api/client.ts b/src/api/client.ts
index 9373a14..04aa0cf 100644
--- a/src/api/client.ts
+++ b/src/api/client.ts
@@ -21,7 +21,8 @@ async function req(method: string, path: string, body?: unknown): Promise<unknow
     throw new ApiError(401, "unauthorized");
   }
   if (!res.ok) throw new ApiError(res.status, await res.text());
-  return res.status === 204 ? null : res.json();
+  const text = await res.text();
+  return text ? JSON.parse(text) : null;
 }
 
 export async function apiGet<T>(path: string, schema: z.ZodType<T>): Promise<T> {