Scoped listings

package.json

@@ -21,8 +21,11 @@
         "#composite/wiki-data": "./src/data/composite/wiki-data/index.js",
         "#composite/wiki-properties": "./src/data/composite/wiki-properties/index.js",
         "#composite/things/album": "./src/data/composite/things/album/index.js",
+        "#composite/things/artist": "./src/data/composite/things/artist/index.js",
+        "#composite/things/contribution": "./src/data/composite/things/contribution/index.js",
         "#composite/things/flash": "./src/data/composite/things/flash/index.js",
         "#composite/things/flash-act": "./src/data/composite/things/flash-act/index.js",
+        "#composite/things/listing": "./src/data/composite/things/listing/index.js",
         "#composite/things/track": "./src/data/composite/things/track/index.js",
         "#composite/things/track-section": "./src/data/composite/things/track-section/index.js",
         "#content-dependencies": "./src/content/dependencies/index.js",
@@ -34,8 +37,11 @@
         "#html": "./src/util/html.js",
         "#import-heck": "./src/import-heck.js",
         "#language": "./src/data/language.js",
+        "#listing-spec": "./src/listing-spec/all.js",
+        "#listings": "./src/listings.js",
         "#page-specs": "./src/page/index.js",
         "#node-utils": "./src/util/node-utils.js",
+        "#page-util": "./src/page/page-util.js",
         "#repl": "./src/write/build-modes/repl.js",
         "#replacer": "./src/util/replacer.js",
         "#search": "./src/search.js",

src/content/dependencies/generateAdditionalFilesList.js

@@ -15,6 +15,8 @@ export default {
 
   generate: (slots, {html}) =>
     html.tag('ul', {class: 'additional-files-list'},
+      {[html.onlyIfContent]: true},
+
       stitchArrays({
         chunk: slots.chunks,
         items: slots.chunkItems,

src/content/dependencies/generateAlbumChronologyLinks.js

@@ -0,0 +1,53 @@
+import {sortAlbumsTracksChronologically} from '#sort';
+
+import getChronologyRelations from '../util/getChronologyRelations.js';
+
+export default {
+  contentDependencies: [
+    'generateChronologyLinks',
+    'linkAlbum',
+    'linkArtist',
+    'linkTrack',
+  ],
+
+  relations: (relation, album) => ({
+    chronologyLinks:
+      relation('generateChronologyLinks'),
+
+    coverArtistChronologyContributions:
+      getChronologyRelations(album, {
+        contributions: album.coverArtistContribs ?? [],
+
+        linkArtist: artist => relation('linkArtist', artist),
+
+        linkThing: trackOrAlbum =>
+          (trackOrAlbum.album
+            ? relation('linkTrack', trackOrAlbum)
+            : relation('linkAlbum', trackOrAlbum)),
+
+        getThings(artist) {
+          const getDate = thing => thing.coverArtDate ?? thing.date;
+
+          const things =
+            ([
+              artist.albumCoverArtistContributions,
+              artist.trackCoverArtistContributions,
+            ]).flat()
+              .map(({thing}) => thing)
+              .filter(getDate);
+
+          return sortAlbumsTracksChronologically(things, {getDate});
+        },
+      }),
+  }),
+
+  generate: (relations) =>
+    relations.chronologyLinks.slots({
+      chronologyInfoSets: [
+        {
+          headingString: 'misc.chronology.heading.coverArt',
+          contributions: relations.coverArtistChronologyContributions,
+        },
+      ],
+    }),
+}