From 8a515c03b81ebdaa89069cc89d3081c8a21e9ec5 Mon Sep 17 00:00:00 2001
From: Turiiya <34311583+ttytm@users.noreply.github.com>
Date: Wed, 15 May 2024 20:06:26 +0200
Subject: [PATCH] vdoc: fix search in README `index.html` when generated with
 `v doc -f html -m -readme` flags (#21506)

---
 cmd/tools/vdoc/theme/doc.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/cmd/tools/vdoc/theme/doc.js b/cmd/tools/vdoc/theme/doc.js
index f80f6fa18a4c1c..04319f256bc49b 100644
--- a/cmd/tools/vdoc/theme/doc.js
+++ b/cmd/tools/vdoc/theme/doc.js
@@ -12,6 +12,9 @@
 function setupScrollSpy() {
 	const mainContent = document.querySelector('#main-content');
 	const toc = mainContent.querySelector('.doc-toc');
+	if (!toc) {
+		return;
+	}
 	const sections = mainContent.querySelectorAll('section');
 	const sectionPositions = Array.from(sections).map((section) => section.offsetTop);
 	let lastActive = null;