Merge pull request #31 from tilde-nlp/fix/canonical-tag-fix

null check for head tag
tilde-nlp · Aug 8, 2024 · 94464d9 · 94464d9
2 parents 4c5bd1c + 6e6ca80
commit 94464d9
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/js/lib/SearchEngineOptimization.ts b/src/js/lib/SearchEngineOptimization.ts
@@ -82,7 +82,7 @@ export class SearchEngineOptimization {
 
   private markCanonicalUrl (doc: Document, currentLocale: string, restore = false) {
     let link = doc.querySelector('link[rel="canonical"]') as HTMLLinkElement
-    if (!link) {
+    if (!link && doc.head !== null) {
       link = document.createElement('link')
       doc.head.appendChild(link)
       link.rel = 'canonical'