release: WRNexusJS 0.8.2

packages/csr/src/nav-runtime.ts

@@ -638,7 +638,10 @@ export const NAV_RUNTIME = String.raw`
     while (prefetched.size > 20) prefetched.delete(prefetched.keys().next().value);
   }
 
-  document.addEventListener("pointerover", function (event) {
+  // Prefetch only on explicit pointer intent. Delegated pointerover fires when
+  // scrolling moves links underneath a stationary pointer, which can otherwise
+  // download every link on a long index page.
+  document.addEventListener("pointerdown", function (event) {
     var anchor = event.target && event.target.closest ? event.target.closest("a") : null;
     prefetch(anchor);
   }, { passive: true });