[no subject]

[Gavin D. Smith]

branch: master
commit 8e6b3df66e111fd4af9c438f4236ae1464143ecb
Author: Gavin Smith <gavinsmith0123@gmail.com>
AuthorDate: Sat Oct 5 22:13:15 2024 +0100

    * js/info.js (updater): add a comment
---
 ChangeLog  | 4 ++++
 js/info.js | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index a7227949d5..5672278bf4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2024-10-05  Gavin Smith <gavinsmith0123@gmail.com>
+
+       * js/info.js (updater): add a comment
+
 2024-10-05  Gavin Smith <gavinsmith0123@gmail.com>
 
        Rename info.js variable
diff --git a/js/info.js b/js/info.js
index 6eca4af02a..646eb7ef4d 100644
--- a/js/info.js
+++ b/js/info.js
@@ -347,11 +347,15 @@ updater (state, action)
           {
             /* When CURRENT is in index but doesn't have the requested
                direction, ask its corresponding 'pageid'.  */
+
+            /* This checks if CURRENT is a value in state.TI_index for
+               some key. */
             var is_index_ref =
               Object.keys (state.TI_index)
                     .reduce (function (acc, val) {
                       return acc || state.TI_index[val] === current;
                     }, false);
+
             if (is_index_ref)
               {
                 ids = state.loaded_nodes[link.pageid];