From 9494257745ffab1cb2057d012fb33202f3d3423d Mon Sep 17 00:00:00 2001
From: Travis Ralston <travisr@element.io>
Date: Thu, 18 Apr 2024 16:49:38 -0600
Subject: [PATCH] Add a bit of jitter

---
 src/serviceworker/index.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/serviceworker/index.ts b/src/serviceworker/index.ts
index c8456b0b075..5f01a41fc5e 100644
--- a/src/serviceworker/index.ts
+++ b/src/serviceworker/index.ts
@@ -63,6 +63,9 @@ self.addEventListener("fetch", (event: FetchEvent) => {
                     // Figure out which homeserver we're communicating with
                     const csApi = url.substring(0, url.indexOf("/_matrix/media/v3"));
 
+                    // Add jitter to reduce request spam, particularly to `/versions` on initial page load
+                    await new Promise<void>(resolve => setTimeout(() => resolve(), Math.random() * 10));
+
                     // Locate our access token, and populate the fetchConfig with the authentication header.
                     // @ts-expect-error - service worker types are not available. See 'fetch' event handler.
                     const client = await self.clients.get(event.clientId);