Merge pull request #983 from seanpdoyle/support-idempotent-registration

Idempotent Custom Element registration
basecamp · Nov 7, 2022 · 12fa9ef · 12fa9ef
2 parents b6c0047 + 1665e05
commit 12fa9ef
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/trix/core/helpers/custom_elements.coffee b/src/trix/core/helpers/custom_elements.coffee
@@ -78,7 +78,8 @@ registerElement = do ->
       Object.setPrototypeOf(constructor.prototype, HTMLElement.prototype)
       Object.setPrototypeOf(constructor, HTMLElement)
       Object.defineProperties(constructor.prototype, properties)
-      window.customElements.define(tagName, constructor)
+      unless window.customElements.get(tagName)
+        window.customElements.define(tagName, constructor)
       constructor
   else
     (tagName, properties) ->