Merge pull request #190 from kevinkucharczyk/safer-custom-elements-de…

…finition Don't call customElements.define if definition already exists
simonihmig · May 7, 2024 · 9396f3f · 9396f3f
2 parents 4c21907 + 1a761fc
commit 9396f3f
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/vendor/embed.js b/vendor/embed.js
@@ -160,5 +160,9 @@
     }
   }
 
-  customElements.define('###CENAME###', EmbeddedApp);
+  let definition = customElements.get('###CENAME###');
+
+  if (definition == null) {
+    customElements.define('###CENAME###', EmbeddedApp);
+  }
 })();