From 329d3e361b4651ed54b7c389c2529b240862b759 Mon Sep 17 00:00:00 2001
From: Kevin McConnell <kevin@37signals.com>
Date: Thu, 25 Sep 2025 10:16:20 +0100
Subject: [PATCH] Avoid extra slash in cable path

When mounting to a `SCRIPT_NAME` of `/`, we were inserting an extra
slash in the cable path.
---
 app/helpers/cable_helper.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/helpers/cable_helper.rb b/app/helpers/cable_helper.rb
index e715806..663a8ef 100644
--- a/app/helpers/cable_helper.rb
+++ b/app/helpers/cable_helper.rb
@@ -2,6 +2,6 @@ module CableHelper
   def script_aware_action_cable_meta_tag
     tag.meta \
       name: "action-cable-url",
-      content: "#{request.script_name}#{ActionCable.server.config.mount_path}"
+      content: Pathname(request.script_name) + Pathname(ActionCable.server.config.mount_path)
   end
 end