1 files changed, 82 insertions, 0 deletions
diff --git a/src/content/dependencies/listTracksByDate.js b/src/content/dependencies/listTracksByDate.js
new file mode 100644
index 00000000..25039c3e
--- /dev/null
+++ b/src/content/dependencies/listTracksByDate.js
@@ -0,0 +1,82 @@
+import {stitchArrays} from '../../util/sugar.js';
+
+import {
+  chunkByProperties,
+  sortAlbumsTracksChronologically,
+} from '../../util/wiki-data.js';
+
+export default {
+  contentDependencies: ['generateListingPage', 'linkAlbum', 'linkTrack'],
+  extraDependencies: ['language', 'wikiData'],
+
+  sprawl({trackData}) {
+    return {trackData};
+  },
+
+  query({trackData}, spec) {
+    return {
+      spec,
+
+      chunks:
+        chunkByProperties(
+          sortAlbumsTracksChronologically(trackData.slice()),
+          ['album', 'date']),
+    };
+  },
+
+  relations(relation, query) {
+    return {
+      page: relation('generateListingPage', query.spec),
+
+      albumLinks:
+        query.chunks
+          .map(({album}) => relation('linkAlbum', album)),
+
+      trackLinks:
+        query.chunks
+          .map(({chunk}) => chunk
+            .map(track => relation('linkTrack', track))),
+    };
+  },
+
+  data(query) {
+    return {
+      dates:
+        query.chunks
+          .map(({date}) => date),
+
+      rereleases:
+        query.chunks.map(({chunk}) =>
+          chunk.map(track =>
+            track.originalReleaseTrack !== null)),
+    };
+  },
+
+  generate(data, relations, {language}) {
+    return relations.page.slots({
+      type: 'chunks',
+
+      chunkTitles:
+        stitchArrays({
+          albumLink: relations.albumLinks,
+          date: data.dates,
+        }).map(({albumLink, date}) => ({
+            album: albumLink,
+            date: language.formatDate(date),
+          })),
+
+      chunkRows:
+        stitchArrays({
+          trackLinks: relations.trackLinks,
+          rereleases: data.rereleases,
+        }).map(({trackLinks, rereleases}) =>
+            stitchArrays({
+              trackLink: trackLinks,
+              rerelease: rereleases,
+            }).map(({trackLink, rerelease}) =>
+                (rerelease
+                  ? {track: trackLink, stringsKey: 'rerelease'}
+                  : {track: trackLink}))),
+    });
+  },
+};