From 78e13bcb40af99210c0c3c80becd9e2a5858a8fa Mon Sep 17 00:00:00 2001
From: Jacky Zhao <j.zhao2k19@gmail.com>
Date: Sat, 26 Apr 2025 18:04:23 +0000
Subject: [PATCH] chore: add ci to preview all prs (#1947)
---
docs/advanced/creating components.md | 12 ++++++++++++
1 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/docs/advanced/creating components.md b/docs/advanced/creating components.md
index 628d5aa..369405b 100644
--- a/docs/advanced/creating components.md
+++ b/docs/advanced/creating components.md
@@ -161,6 +161,18 @@
})
```
+You can also add the equivalent of a `beforeunload` event for [[SPA Routing]] via the `prenav` event.
+
+```ts
+document.addEventListener("prenav", () => {
+ // executed after an SPA navigation is triggered but
+ // before the page is replaced
+ // one usage pattern is to store things in sessionStorage
+ // in the prenav and then conditionally load then in the consequent
+ // nav
+})
+```
+
It is best practice to track any event handlers via `window.addCleanup` to prevent memory leaks.
This will get called on page navigation.
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