From ffdddaf647af7d0bb7b0cb7ba72e5cd5da7babd3 Mon Sep 17 00:00:00 2001
From: Stepan Usatiuk <usatiste@fit.cvut.cz>
Date: Sat, 30 Dec 2023 12:44:47 +0100
Subject: [PATCH] show error popup

---
 client/src/api/utils.ts | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/client/src/api/utils.ts b/client/src/api/utils.ts
index ee7cb23..6fa2adb 100644
--- a/client/src/api/utils.ts
+++ b/client/src/api/utils.ts
@@ -1,6 +1,7 @@
 // import { apiRoot } from "~src/env";
 
 import { jwtDecode } from "jwt-decode";
+import { isError } from "./dto";
 
 const apiRoot: string = "http://localhost:8080";
 
@@ -59,7 +60,11 @@ export async function fetchJSON<T, P extends { parse: (arg: string) => T }>(
     const json = await response.json().catch(() => {
         return {};
     });
-    return parser.parse(json);
+    const parsed = parser.parse(json);
+    if (isError(parsed)) {
+        alert(parsed.errors.join(", "));
+    }
+    return parsed;
 }
 
 export async function fetchJSONAuth<T, P extends { parse: (arg: string) => T }>(