From 53745146593ba20ea1de061101f2731e4c98741c Mon Sep 17 00:00:00 2001
From: Kesara Rathnayake <kesara@fq.nz>
Date: Tue, 4 Feb 2025 16:36:29 +1300
Subject: [PATCH] fix: Handle ABNF API errors (#573)

---
 static/scripts/abnf.js | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/static/scripts/abnf.js b/static/scripts/abnf.js
index dfc447b..0b99340 100644
--- a/static/scripts/abnf.js
+++ b/static/scripts/abnf.js
@@ -84,7 +84,12 @@ function parse() {
   });
 
   fetch(request)
-    .then(function(response) { return response.json(); })
+    .then(function(response) {
+      if (!response.ok) {
+        throw new Error(`There was an issue processing your request. (HTTP Status: ${response.status})`);
+      }
+      return response.json();
+    })
     .then(function(json) {
       reset();
       if (json.errors) {
@@ -96,5 +101,10 @@ function parse() {
         preAbnf.textContent = json.abnf;
       }
       accordionAbnfParse.scrollIntoView();
+    })
+    .catch(error => {
+      accordionItemErrors.style.display = 'block';
+      preErrors.textContent = error;
+      resetButtons();
     });
 }