From 7232febf473e0e789197bfbdca89d39ed5e12de8 Mon Sep 17 00:00:00 2001
From: Josh Ponelat <josh@ponelat.com>
Date: Fri, 23 Sep 2016 16:19:11 +0200
Subject: [PATCH] add beforeUpdate hook

---
 lib/client-sessions.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/client-sessions.js b/lib/client-sessions.js
index a8d91ea..de92d65 100644
--- a/lib/client-sessions.js
+++ b/lib/client-sessions.js
@@ -471,6 +471,10 @@ Session.prototype = {
       // support for adding/removing cookie expires
       this.opts.cookie.expires = this.expires;
 
+      // Allow the user to do something just before the cookies is added to the headers
+      if(this.opts.beforeUpdate) {
+        this.opts.beforeUpdate(this);
+      }
       try {
         this.cookies.set(this.opts.cookieName, this.box(), this.opts.cookie);
       } catch (x) {