From 3eaf5e67fd945f4ffdfa0b95767ef5508f9dd33c Mon Sep 17 00:00:00 2001
From: Joe Gregory <jgregory@newrelic.com>
Date: Wed, 5 Jan 2022 12:11:36 -0800
Subject: [PATCH] fix: prevent auto-scroll for I/O

---
 gatsby-browser.js | 25 ++++++++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)

diff --git a/gatsby-browser.js b/gatsby-browser.js
index c66e4533d..a973fa435 100644
--- a/gatsby-browser.js
+++ b/gatsby-browser.js
@@ -55,4 +55,27 @@ const onClientEntry = () => {
   window.ReactDOM = require('react-dom');
 };
 
-export { wrapPageElement, onInitialClientRender, onClientEntry };
+const shouldUpdateScroll = ({ routerProps: { location } }) => {
+  const PAGE_OFFSET_HEIGHT = 575;
+  const IS_IO = location.pathname.includes('instant-observability');
+
+  // scrolls only after search query parameter on I/O site changes
+  if (IS_IO && location.search) {
+    window.setTimeout(() =>
+      window.scrollTo({ top: PAGE_OFFSET_HEIGHT, left: 0, behavior: 'smooth' })
+    );
+
+    // Does not update to default behavior to persist this change
+    return false;
+  }
+
+  // if we're not on I/O, update to default behavior
+  return true;
+};
+
+export {
+  wrapPageElement,
+  onInitialClientRender,
+  onClientEntry,
+  shouldUpdateScroll,
+};