From 8129677dcd596bdbbc45c772b7708fff45a8259b Mon Sep 17 00:00:00 2001
From: Stephane BACHELIER <stephane.bachelier@gmail.com>
Date: Sat, 20 Feb 2016 00:22:45 +0100
Subject: [PATCH] feat(cache): cleanup cache entry if stale

---
 lib/index.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/index.js b/lib/index.js
index c0bf00b..79ac789 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -53,8 +53,9 @@ function cache (config = {}) {
 
     return store.getItem(uuid).then(value => {
       return config.readCache(req, config.log)(value)
-        .catch(err => { // eslint-disable-line handle-callback-err
-          f()
+        .catch(err => {
+          // clean up cache if stale
+          err.reason === 'cache-stale' ? store.removeItem(uuid).then(f) : f()
         })
     })
   }