nullになると、エラーになるので、空文字を返却するように修正

matsumoto-kouichi · Feb 2, 2022 · 0645db0 · 0645db0
1 parent d5a1cb4
commit 0645db0
Showing 1 changed file with 12 additions and 4 deletions.
diff --git a/modules/gmosspBidAdapter.js b/modules/gmosspBidAdapter.js
@@ -165,11 +165,19 @@ function getUrlInfo(refererInfo) {
 }
 
 function getCanonicalUrl() {
-  try {
-    return window.top.document.head.querySelector('link[rel="canonical"]').href;
-  } catch (e) {
-    return window.document.head.querySelector('link[rel="canonical"]').href;
+  let link;
+  if (window.self !== window.top) {
+    try {
+      link = window.top.document.head.querySelector('link[rel="canonical"][href]');
+    } catch (e) { }
+  } else {
+    link = document.head.querySelector('link[rel="canonical"][href]');
+  }
+
+  if (link) {
+    return link.href;
   }
+  return '';
 }
 
 function getMetaElements() {