From a020b7ab3939d63108c1c9bc245603ff10033724 Mon Sep 17 00:00:00 2001
From: Gregor <gregor@martynus.net>
Date: Thu, 5 Jan 2017 10:59:25 -0800
Subject: [PATCH] docs(pre-auth-hook): clarify .then nesting with comment

https://github.com/hoodiehq/hoodie-server/pull/526#discussion_r94762337
---
 lib/config/store/pre-auth-hook.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/config/store/pre-auth-hook.js b/lib/config/store/pre-auth-hook.js
index e55d5b1..e196870 100644
--- a/lib/config/store/pre-auth-hook.js
+++ b/lib/config/store/pre-auth-hook.js
@@ -40,6 +40,10 @@ function onStorePreAuth (request, reply) {
 
     return server.plugins.account.api.sessions.find(sessionToken)
 
+    // we have to nest the .then callback here because of the `return`
+    // statements above. If we would chain the .then below outside of this
+    // `.then`, then it would be executed after the two `return` statements
+    // above and cause `reply` to be called twice
     .then(function (session) {
       delete request.headers.authorization
       request.headers.cookie = 'AuthSession=' + session.id