From 7561e05660d5c6ec509211e3862ed6e0f405e994 Mon Sep 17 00:00:00 2001
From: Brian Gough <brian.gough@overleaf.com>
Date: Fri, 27 Sep 2019 10:39:56 +0100
Subject: [PATCH] check timestamps array length

---
 services/document-updater/app/coffee/DeleteQueueManager.coffee | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/services/document-updater/app/coffee/DeleteQueueManager.coffee b/services/document-updater/app/coffee/DeleteQueueManager.coffee
index e9f2346909..f1af0ba244 100644
--- a/services/document-updater/app/coffee/DeleteQueueManager.coffee
+++ b/services/document-updater/app/coffee/DeleteQueueManager.coffee
@@ -28,7 +28,7 @@ module.exports = DeleteQueueManager =
         flushProjectIfNotModified = (project_id, flushTimestamp, cb) ->
             ProjectManager.getProjectDocsTimestamps project_id, (err, timestamps) ->
                 return callback(err) if err?
-                if !timestamps?
+                if timestamps.length == 0
                     logger.log {project_id}, "skipping flush of queued project - no timestamps"
                     return cb()
                 # are any of the timestamps newer than the time the project was flushed?