Use cloneNode()

vercel · Nov 10, 2021 · 5c9bfc4 · 5c9bfc4
1 parent c64f39f
commit 5c9bfc4
Showing 1 changed file with 4 additions and 7 deletions.
diff --git a/packages/next/client/head-manager.ts b/packages/next/client/head-manager.ts
@@ -60,13 +60,10 @@ export function isEqualNode(oldTag: Element, newTag: Element) {
     // Only strip the nonce if `oldTag` has had it stripped. An element's nonce attribute will not
     // be stripped if there is no content security policy response header that includes a nonce.
     if (nonce && !oldTag.getAttribute('nonce')) {
-      // Remove nonce from HTML attribute for comparison
-      newTag.setAttribute('nonce', '')
-      newTag.nonce = nonce
-      const isEqual = nonce === oldTag.nonce && oldTag.isEqualNode(newTag)
-      // Restore original nonce
-      newTag.setAttribute('nonce', nonce)
-      return isEqual
+      const cloneTag = newTag.cloneNode(true) as typeof newTag
+      cloneTag.setAttribute('nonce', '')
+      cloneTag.nonce = nonce
+      return nonce === oldTag.nonce && oldTag.isEqualNode(cloneTag)
     }
   }