From 30ccec57d0905a5e8dcdfdd96528c664b3fdd738 Mon Sep 17 00:00:00 2001
From: Guillaume Mazoyer <guillaume@mazoyer.eu>
Date: Thu, 28 Apr 2022 22:06:24 +0200
Subject: [PATCH] Show response parse error in alert

---
 js/looking-glass.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/js/looking-glass.js b/js/looking-glass.js
index 15c4986d..c0bf7697 100644
--- a/js/looking-glass.js
+++ b/js/looking-glass.js
@@ -91,7 +91,13 @@ $(document).ready(function () {
         $('#input-param').focus().addClass('is-invalid');
         $('.alert').slideDown();
       } else {
-        var response = $.parseJSON(response);
+        try {
+          var response = $.parseJSON(response);
+        } catch {
+          $('#error-text').html("<pre>" + response + "</pre>");
+          $('.alert').slideDown();
+          return;
+        }
 
         if (response.error) {
           $('#error-text').text(response.error);