From 48d0abc125ac43621ed768731b8911635db1e914 Mon Sep 17 00:00:00 2001
From: Merlijn Vos <merlijn@soverin.net>
Date: Mon, 3 Feb 2025 15:22:02 +0100
Subject: [PATCH] @uppy/utils: do not strip www in getSocketHost (#5621)

---
 packages/@uppy/utils/src/getSocketHost.test.ts | 4 ++++
 packages/@uppy/utils/src/getSocketHost.ts      | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/packages/@uppy/utils/src/getSocketHost.test.ts b/packages/@uppy/utils/src/getSocketHost.test.ts
index dc7131ce9e..cf9ac40002 100644
--- a/packages/@uppy/utils/src/getSocketHost.test.ts
+++ b/packages/@uppy/utils/src/getSocketHost.test.ts
@@ -7,6 +7,10 @@ describe('getSocketHost', () => {
       'wss://foo.bar/a/b/cd?e=fghi&l=k&m=n',
     )
 
+    expect(getSocketHost('https://www.foo.bar/a/b/cd?e=fghi&l=k&m=n')).toEqual(
+      'wss://www.foo.bar/a/b/cd?e=fghi&l=k&m=n',
+    )
+
     expect(getSocketHost('Https://foo.bar/a/b/cd?e=fghi&l=k&m=n')).toEqual(
       'wss://foo.bar/a/b/cd?e=fghi&l=k&m=n',
     )
diff --git a/packages/@uppy/utils/src/getSocketHost.ts b/packages/@uppy/utils/src/getSocketHost.ts
index 12c389c5a1..982aeeb32b 100644
--- a/packages/@uppy/utils/src/getSocketHost.ts
+++ b/packages/@uppy/utils/src/getSocketHost.ts
@@ -1,6 +1,6 @@
 export default function getSocketHost(url: string): string {
   // get the host domain
-  const regex = /^(?:https?:\/\/|\/\/)?(?:[^@\n]+@)?(?:www\.)?([^\n]+)/i
+  const regex = /^(?:https?:\/\/|\/\/)?(?:[^@\n]+@)?([^\n]+)/i
   const host = regex.exec(url)?.[1]
   const socketProtocol = /^http:\/\//i.test(url) ? 'ws' : 'wss'