From fd75e91e7544939faf302caef453a81cef48f420 Mon Sep 17 00:00:00 2001
From: toasted-nutbread <toasted-nutbread@users.noreply.github.com>
Date: Sat, 14 May 2022 18:16:13 -0400
Subject: Ignore DOMExceptions thrown by assigning an invalid dataset property
 (#2133)

---
 ext/js/display/sandbox/structured-content-generator.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'ext/js/display')

diff --git a/ext/js/display/sandbox/structured-content-generator.js b/ext/js/display/sandbox/structured-content-generator.js
index 5b11965a..0e287dc2 100644
--- a/ext/js/display/sandbox/structured-content-generator.js
+++ b/ext/js/display/sandbox/structured-content-generator.js
@@ -166,7 +166,11 @@ class StructuredContentGenerator {
                 key = `${key[0].toUpperCase()}${key.substring(1)}`;
             }
             key = `sc${key}`;
-            element.dataset[key] = value;
+            try {
+                element.dataset[key] = value;
+            } catch (e) {
+                // DOMException if key is malformed
+            }
         }
     }
 
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