Do not prefetch when targetLink == null

facebook · Mar 17, 2021 · 97513ba · 97513ba
1 parent 5ff1abe
commit 97513ba
Showing 1 changed file with 8 additions and 4 deletions.
diff --git a/packages/docusaurus/src/client/exports/Link.tsx b/packages/docusaurus/src/client/exports/Link.tsx
@@ -116,22 +116,26 @@ function Link({
     if (IOSupported && ref && isInternal) {
       // If IO supported and element reference found, setup Observer functionality.
       handleIntersection(ref, () => {
-        window.docusaurus.prefetch(targetLink || '');
+        if (targetLink != null) {
+          window.docusaurus.prefetch(targetLink);
+        }
       });
     }
   };
 
   const onMouseEnter = () => {
-    if (!preloaded.current) {
-      window.docusaurus.preload(targetLink || '');
+    if (!preloaded.current && targetLink != null) {
+      window.docusaurus.preload(targetLink);
       preloaded.current = true;
     }
   };
 
   useEffect(() => {
     // If IO is not supported. We prefetch by default (only once).
     if (!IOSupported && isInternal) {
-      window.docusaurus.prefetch(targetLink || '');
+      if (targetLink != null) {
+        window.docusaurus.prefetch(targetLink);
+      }
     }
 
     // When unmounting, stop intersection observer from watching.