Don't include non-tracks in total track count

1 files changed, 7 insertions, 5 deletions

diff --git a/playlist-utils.js b/playlist-utils.js
index 6119bc3..de2c3f8 100644
--- a/playlist-utils.js
+++ b/playlist-utils.js
@@ -177,15 +177,17 @@ function flattenGrouplike(grouplike) {
   }
 }
 
-function countTotalItems(item) {
-  // Returns the total number of items in a grouplike, including items in any
+function countTotalTracks(item) {
+  // Returns the total number of tracks in a grouplike, including tracks in any
   // descendant groups. Basically the same as flattenGrouplike().items.length.
 
   if (isGroup(item)) {
-    return item.items.map(countTotalItems)
+    return item.items.map(countTotalTracks)
       .reduce((a, b) => a + b, 0)
-  } else {
+  } else if (isTrack(item)) {
     return 1
+  } else {
+    return 0
   }
 }
 
@@ -603,7 +605,7 @@ module.exports = {
   updatePlaylistFormat, updateGroupFormat, updateTrackFormat,
   cloneGrouplike,
   filterTracks,
-  flattenGrouplike, countTotalItems,
+  flattenGrouplike, countTotalTracks,
   shuffleOrderOfGroups,
   reverseOrderOfGroups,
   partiallyFlattenGrouplike, collapseGrouplike,