From cc5a8924d16696f8a6a1c8abf440bcf2b894df8a Mon Sep 17 00:00:00 2001
From: Abdullah Alfaraj <7842232+AbdullahAlfaraj@users.noreply.github.com>
Date: Mon, 27 Nov 2023 03:01:57 +0300
Subject: [PATCH] throw an error comfyui is offline

---
 typescripts/comfyui/util.ts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/typescripts/comfyui/util.ts b/typescripts/comfyui/util.ts
index 5394932..ac0fdc6 100644
--- a/typescripts/comfyui/util.ts
+++ b/typescripts/comfyui/util.ts
@@ -221,6 +221,11 @@ export async function postPromptAndGetBase64JsonResult(
 }> {
     try {
         const res = await comfyapi.comfy_api.prompt(prompt)
+        if (!res) {
+            throw new Error(
+                `Unable to establish a connection to ComfyUI at the provided address: ${comfyapi.comfy_api.comfy_url}. Please ensure that ComfyUI is online and the URL is correct.`
+            )
+        }
         if (res.error) {
             const readable_error = comfyapi.comfy_api.getReadableError(res)
             throw new Error(readable_error)