1 files changed, 60 insertions, 0 deletions
diff --git a/src/content/dependencies/listArtistsByDuration.js b/src/content/dependencies/listArtistsByDuration.js
new file mode 100644
index 0000000..f677d82
--- /dev/null
+++ b/src/content/dependencies/listArtistsByDuration.js
@@ -0,0 +1,60 @@
+import {sortAlphabetically, sortByCount} from '#sort';
+import {filterByCount, stitchArrays} from '#sugar';
+import {getTotalDuration} from '#wiki-data';
+
+export default {
+  contentDependencies: ['generateListingPage', 'linkArtist'],
+  extraDependencies: ['language', 'wikiData'],
+
+  sprawl({artistData}) {
+    return {artistData};
+  },
+
+  query({artistData}, spec) {
+    const artists =
+      sortAlphabetically(
+        artistData.filter(artist => !artist.isAlias));
+
+    const durations =
+      artists.map(artist =>
+        getTotalDuration([
+          ...(artist.tracksAsArtist ?? []),
+          ...(artist.tracksAsContributor ?? []),
+        ], {originalReleasesOnly: true}));
+
+    filterByCount(artists, durations);
+    sortByCount(artists, durations, {greatestFirst: true});
+
+    return {spec, artists, durations};
+  },
+
+  relations(relation, query) {
+    return {
+      page: relation('generateListingPage', query.spec),
+
+      artistLinks:
+        query.artists
+          .map(artist => relation('linkArtist', artist)),
+    };
+  },
+
+  data(query) {
+    return {
+      durations: query.durations,
+    };
+  },
+
+  generate(data, relations, {language}) {
+    return relations.page.slots({
+      type: 'rows',
+      rows:
+        stitchArrays({
+          link: relations.artistLinks,
+          duration: data.durations,
+        }).map(({link, duration}) => ({
+            artist: link,
+            duration: language.formatDuration(duration),
+          })),
+    });
+  },
+};