From 3276d4b61176ee6f8b372689511f6b3e7c20c40c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?St=C3=A9phane=20Goetz?= <onigoetz@onigoetz.ch>
Date: Wed, 8 Jan 2020 08:43:02 +0100
Subject: [PATCH] Fix an edge case in sorting

---
 libs/Tree/Directory.php | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/libs/Tree/Directory.php b/libs/Tree/Directory.php
index f3d6b7a..7ab4451 100644
--- a/libs/Tree/Directory.php
+++ b/libs/Tree/Directory.php
@@ -26,14 +26,24 @@ class Directory extends Entry implements \ArrayAccess, \IteratorAggregate
         ];
 
         foreach ($this->children as $key => $entry) {
+            // In case of generated pages, the name might be empty.
+            // Thus we are falling back to other solutions, otherwise the page would disappear from the tree.
             $name = $entry->getName();
 
-            if ($name == 'index' || $name == '_index') {
-                $buckets['index'][$key] = $entry;
-                continue;
+            if (!$name) {
+                $name = $entry->getTitle();
             }
 
             if (!$name) {
+                $name = $key;
+            }
+
+            if (!$name) {
+                continue;
+            }
+
+            if ($name == 'index' || $name == '_index') {
+                $buckets['index'][$key] = $entry;
                 continue;
             }