From 4adef73ab867db43d2fca66e409c8607da2d8c15 Mon Sep 17 00:00:00 2001
From: JJ Kasper <jj@jjsweb.site>
Date: Sun, 14 Jul 2019 10:23:13 -0700
Subject: [PATCH] Update link ref handling to clean up previous listeners
 (#7943)

---
 packages/next/client/link.tsx | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/packages/next/client/link.tsx b/packages/next/client/link.tsx
index 833f34061a8ee..ebc3990554c58 100644
--- a/packages/next/client/link.tsx
+++ b/packages/next/client/link.tsx
@@ -113,16 +113,13 @@ class Link extends Component<LinkProps> {
 
   cleanUpListeners = () => {}
 
-  componentDidMount() {
-    this.cleanUpListeners = () => {}
-  }
-
   componentWillUnmount() {
     this.cleanUpListeners()
   }
 
   handleRef(ref: Element) {
     if (this.props.prefetch && IntersectionObserver && ref && ref.tagName) {
+      this.cleanUpListeners()
       this.cleanUpListeners = listenToIntersections(ref, () => {
         this.prefetch()
       })