From a3e05c2b704e208359e3eb37667634d9dc6daa90 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ali=20Gen=C3=A7ay?= <gencay.ali@hotmail.com>
Date: Thu, 23 Feb 2023 04:14:08 -0800
Subject: [PATCH] Write the underlying exception details to streamed response

Currently, when stream is enabled the `fetchSSE` isn't returning the api response details.
---
 src/fetch-sse.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/fetch-sse.ts b/src/fetch-sse.ts
index 00410eb..c49f655 100644
--- a/src/fetch-sse.ts
+++ b/src/fetch-sse.ts
@@ -12,7 +12,8 @@ export async function fetchSSE(
   const { onMessage, ...fetchOptions } = options
   const res = await fetch(url, fetchOptions)
   if (!res.ok) {
-    const msg = `ChatGPT error ${res.status || res.statusText}`
+    const reason = await res.text()
+    const msg = `ChatGPT error ${res.status || res.statusText}: ${reason}`
     const error = new types.ChatGPTError(msg, { cause: res })
     error.statusCode = res.status
     error.statusText = res.statusText