From 4fb387d94ea9d7ae28a871929cbbc57e931b8d7a Mon Sep 17 00:00:00 2001
From: Evan You <yyx990803@gmail.com>
Date: Thu, 9 Sep 2021 15:55:40 -0400
Subject: [PATCH] fix: emit prevented hashchange event

---
 src/client/app/router.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/client/app/router.ts b/src/client/app/router.ts
index c1283a424645..e769935bbf54 100644
--- a/src/client/app/router.ts
+++ b/src/client/app/router.ts
@@ -133,6 +133,8 @@ export function createRouter(
               // scroll between hash anchors in the same page
               if (hash && hash !== currentUrl.hash) {
                 history.pushState(null, '', hash)
+                // still emit the event so we can listen to it in themes
+                window.dispatchEvent(new Event('hashchange'))
                 // use smooth scroll when clicking on header anchor links
                 scrollTo(link, hash, link.classList.contains('header-anchor'))
               }