1 files changed, 48 insertions, 0 deletions
diff --git a/src/content/dependencies/listTracksByAlbum.js b/src/content/dependencies/listTracksByAlbum.js
new file mode 100644
index 0000000..b240503
--- /dev/null
+++ b/src/content/dependencies/listTracksByAlbum.js
@@ -0,0 +1,48 @@
+export default {
+  contentDependencies: ['generateListingPage', 'linkAlbum', 'linkTrack'],
+  extraDependencies: ['language', 'wikiData'],
+
+  sprawl({albumData}) {
+    return {albumData};
+  },
+
+  query({albumData}, spec) {
+    return {
+      spec,
+      albums: albumData,
+      tracks: albumData.map(album => album.tracks),
+    };
+  },
+
+  relations(relation, query) {
+    return {
+      page: relation('generateListingPage', query.spec),
+
+      albumLinks:
+        query.albums
+          .map(album => relation('linkAlbum', album)),
+
+      trackLinks:
+        query.tracks
+          .map(tracks => tracks
+            .map(track => relation('linkTrack', track))),
+    };
+  },
+
+  generate(relations) {
+    return relations.page.slots({
+      type: 'chunks',
+
+      chunkTitles:
+        relations.albumLinks
+          .map(albumLink => ({album: albumLink})),
+
+      listStyle: 'ordered',
+
+      chunkRows:
+        relations.trackLinks
+          .map(trackLinks => trackLinks
+            .map(trackLink => ({track: trackLink}))),
+    });
+  },
+};