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hsmusic-wiki - HSMusic - static wiki software cataloguing collaborative creation
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-rw-r--r--src/listing-spec.js1111
1 files changed, 302 insertions, 809 deletions
diff --git a/src/listing-spec.js b/src/listing-spec.js
index c5b9429..73fbee6 100644
--- a/src/listing-spec.js
+++ b/src/listing-spec.js
@@ -1,819 +1,312 @@
-import fixWS from 'fix-whitespace';
-
-import {
-    UNRELEASED_TRACKS_DIRECTORY
-} from './util/magic-constants.js';
-
-import {
-    chunkByProperties,
-    getArtistNumContributions,
-    getTotalDuration,
-    sortByDate,
-    sortByName
-} from './util/wiki-data.js';
-
-const listingSpec = [
-    {
-        directory: 'albums/by-name',
-        stringsKey: 'listAlbums.byName',
-
-        data({wikiData}) {
-            return wikiData.albumData.slice()
-                .sort(sortByName);
-        },
-
-        row(album, {link, strings}) {
-            return strings('listingPage.listAlbums.byName.item', {
-                album: link.album(album),
-                tracks: strings.count.tracks(album.tracks.length, {unit: true})
-            });
+import {showAggregate} from '#aggregate';
+import {empty} from '#sugar';
+
+const listingSpec = [];
+
+listingSpec.push({
+  directory: 'albums/by-name',
+  stringsKey: 'listAlbums.byName',
+  contentFunction: 'listAlbumsByName',
+
+  seeAlso: [
+    'tracks/by-album',
+  ],
+});
+
+listingSpec.push({
+  directory: 'albums/by-tracks',
+  stringsKey: 'listAlbums.byTracks',
+  contentFunction: 'listAlbumsByTracks',
+});
+
+listingSpec.push({
+  directory: 'albums/by-duration',
+  stringsKey: 'listAlbums.byDuration',
+  contentFunction: 'listAlbumsByDuration',
+});
+
+listingSpec.push({
+  directory: 'albums/by-date',
+  stringsKey: 'listAlbums.byDate',
+  contentFunction: 'listAlbumsByDate',
+
+  seeAlso: [
+    'tracks/by-date',
+  ],
+});
+
+listingSpec.push({
+  directory: 'albums/by-date-added',
+  stringsKey: 'listAlbums.byDateAdded',
+  contentFunction: 'listAlbumsByDateAdded',
+});
+
+listingSpec.push({
+  directory: 'artists/by-name',
+  stringsKey: 'listArtists.byName',
+  contentFunction: 'listArtistsByName',
+  seeAlso: ['artists/by-contribs', 'artists/by-group'],
+});
+
+listingSpec.push({
+  directory: 'artists/by-contribs',
+  stringsKey: 'listArtists.byContribs',
+  contentFunction: 'listArtistsByContributions',
+  seeAlso: ['artists/by-name', 'artists/by-group'],
+});
+
+listingSpec.push({
+  directory: 'artists/by-commentary',
+  stringsKey: 'listArtists.byCommentary',
+  contentFunction: 'listArtistsByCommentaryEntries',
+});
+
+listingSpec.push({
+  directory: 'artists/by-duration',
+  stringsKey: 'listArtists.byDuration',
+  contentFunction: 'listArtistsByDuration',
+});
+
+// TODO: hide if no groups...
+listingSpec.push({
+  directory: 'artists/by-group',
+  stringsKey: 'listArtists.byGroup',
+  contentFunction: 'listArtistsByGroup',
+  featureFlag: 'enableGroupUI',
+  seeAlso: ['artists/by-name', 'artists/by-contribs'],
+});
+
+listingSpec.push({
+  directory: 'artists/by-latest',
+  stringsKey: 'listArtists.byLatest',
+  contentFunction: 'listArtistsByLatestContribution',
+});
+
+listingSpec.push({
+  directory: 'groups/by-name',
+  stringsKey: 'listGroups.byName',
+  contentFunction: 'listGroupsByName',
+  featureFlag: 'enableGroupUI',
+});
+
+listingSpec.push({
+  directory: 'groups/by-category',
+  stringsKey: 'listGroups.byCategory',
+  contentFunction: 'listGroupsByCategory',
+  featureFlag: 'enableGroupUI',
+});
+
+listingSpec.push({
+  directory: 'groups/by-albums',
+  stringsKey: 'listGroups.byAlbums',
+  contentFunction: 'listGroupsByAlbums',
+  featureFlag: 'enableGroupUI',
+});
+
+listingSpec.push({
+  directory: 'groups/by-tracks',
+  stringsKey: 'listGroups.byTracks',
+  contentFunction: 'listGroupsByTracks',
+  featureFlag: 'enableGroupUI',
+});
+
+listingSpec.push({
+  directory: 'groups/by-duration',
+  stringsKey: 'listGroups.byDuration',
+  contentFunction: 'listGroupsByDuration',
+  featureFlag: 'enableGroupUI',
+});
+
+listingSpec.push({
+  directory: 'groups/by-latest-album',
+  stringsKey: 'listGroups.byLatest',
+  contentFunction: 'listGroupsByLatestAlbum',
+  featureFlag: 'enableGroupUI',
+});
+
+listingSpec.push({
+  directory: 'tracks/by-name',
+  stringsKey: 'listTracks.byName',
+  contentFunction: 'listTracksByName',
+});
+
+listingSpec.push({
+  directory: 'tracks/by-album',
+  stringsKey: 'listTracks.byAlbum',
+  contentFunction: 'listTracksByAlbum',
+});
+
+listingSpec.push({
+  directory: 'tracks/by-date',
+  stringsKey: 'listTracks.byDate',
+  contentFunction: 'listTracksByDate',
+});
+
+listingSpec.push({
+  directory: 'tracks/by-duration',
+  stringsKey: 'listTracks.byDuration',
+  contentFunction: 'listTracksByDuration',
+});
+
+listingSpec.push({
+  directory: 'tracks/by-duration-in-album',
+  stringsKey: 'listTracks.byDurationInAlbum',
+  contentFunction: 'listTracksByDurationInAlbum',
+});
+
+listingSpec.push({
+  directory: 'tracks/by-times-referenced',
+  stringsKey: 'listTracks.byTimesReferenced',
+  contentFunction: 'listTracksByTimesReferenced',
+});
+
+listingSpec.push({
+  directory: 'tracks/in-flashes/by-album',
+  stringsKey: 'listTracks.inFlashes.byAlbum',
+  contentFunction: 'listTracksInFlashesByAlbum',
+  featureFlag: 'enableFlashesAndGames',
+});
+
+listingSpec.push({
+  directory: 'tracks/in-flashes/by-flash',
+  stringsKey: 'listTracks.inFlashes.byFlash',
+  contentFunction: 'listTracksInFlashesByFlash',
+  featureFlag: 'enableFlashesAndGames',
+});
+
+listingSpec.push({
+  directory: 'tracks/with-lyrics',
+  stringsKey: 'listTracks.withLyrics',
+  contentFunction: 'listTracksWithLyrics',
+});
+
+listingSpec.push({
+  directory: 'tracks/with-sheet-music-files',
+  stringsKey: 'listTracks.withSheetMusicFiles',
+  contentFunction: 'listTracksWithSheetMusicFiles',
+  seeAlso: ['all-sheet-music-files'],
+});
+
+listingSpec.push({
+  directory: 'tracks/with-midi-project-files',
+  stringsKey: 'listTracks.withMidiProjectFiles',
+  contentFunction: 'listTracksWithMidiProjectFiles',
+  seeAlso: ['all-midi-project-files'],
+});
+
+listingSpec.push({
+  directory: 'tags/by-name',
+  stringsKey: 'listTags.byName',
+  contentFunction: 'listTagsByName',
+  featureFlag: 'enableArtTagUI',
+});
+
+listingSpec.push({
+  directory: 'tags/by-uses',
+  stringsKey: 'listTags.byUses',
+  contentFunction: 'listTagsByUses',
+  featureFlag: 'enableArtTagUI',
+});
+
+listingSpec.push({
+  directory: 'all-sheet-music-files',
+  stringsKey: 'other.allSheetMusic',
+  contentFunction: 'listAllSheetMusicFiles',
+  seeAlso: ['tracks/with-sheet-music-files'],
+  groupUnderOther: true,
+});
+
+listingSpec.push({
+  directory: 'all-midi-project-files',
+  stringsKey: 'other.allMidiProjectFiles',
+  contentFunction: 'listAllMidiProjectFiles',
+  seeAlso: ['tracks/with-midi-project-files'],
+  groupUnderOther: true,
+});
+
+listingSpec.push({
+  directory: 'all-additional-files',
+  stringsKey: 'other.allAdditionalFiles',
+  contentFunction: 'listAllAdditionalFiles',
+  groupUnderOther: true,
+});
+
+listingSpec.push({
+  directory: 'random',
+  stringsKey: 'other.randomPages',
+  contentFunction: 'listRandomPageLinks',
+  groupUnderOther: true,
+});
+
+{
+  const errors = [];
+
+  for (const listing of listingSpec) {
+    if (listing.seeAlso) {
+      const suberrors = [];
+
+      for (let i = 0; i < listing.seeAlso.length; i++) {
+        const directory = listing.seeAlso[i];
+        const match = listingSpec.find(listing => listing.directory === directory);
+
+        if (match) {
+          listing.seeAlso[i] = match;
+        } else {
+          listing.seeAlso[i] = null;
+          suberrors.push(new Error(`(index: ${i}) Didn't find a listing matching ${directory}`))
         }
-    },
-
-    {
-        directory: 'albums/by-tracks',
-        stringsKey: 'listAlbums.byTracks',
-
-        data({wikiData}) {
-            return wikiData.albumData.slice()
-                .sort((a, b) => b.tracks.length - a.tracks.length);
-        },
-
-        row(album, {link, strings}) {
-            return strings('listingPage.listAlbums.byTracks.item', {
-                album: link.album(album),
-                tracks: strings.count.tracks(album.tracks.length, {unit: true})
-            });
-        }
-    },
-
-    {
-        directory: 'albums/by-duration',
-        stringsKey: 'listAlbums.byDuration',
-
-        data({wikiData}) {
-            return wikiData.albumData
-                .map(album => ({album, duration: getTotalDuration(album.tracks)}))
-                .sort((a, b) => b.duration - a.duration);
-        },
-
-        row({album, duration}, {link, strings}) {
-            return strings('listingPage.listAlbums.byDuration.item', {
-                album: link.album(album),
-                duration: strings.count.duration(duration)
-            });
-        }
-    },
-
-    {
-        directory: 'albums/by-date',
-        stringsKey: 'listAlbums.byDate',
-
-        data({wikiData}) {
-            return sortByDate(wikiData.albumData
-                .filter(album => album.directory !== UNRELEASED_TRACKS_DIRECTORY));
-        },
-
-        row(album, {link, strings}) {
-            return strings('listingPage.listAlbums.byDate.item', {
-                album: link.album(album),
-                date: strings.count.date(album.date)
-            });
-        }
-    },
-
-    {
-        directory: 'albusm/by-date-added',
-        stringsKey: 'listAlbums.byDateAdded',
-
-        data({wikiData}) {
-            return chunkByProperties(wikiData.albumData.slice().sort((a, b) => {
-                if (a.dateAdded < b.dateAdded) return -1;
-                if (a.dateAdded > b.dateAdded) return 1;
-            }), ['dateAdded']);
-        },
-
-        html(chunks, {link, strings}) {
-            return fixWS`
-                <dl>
-                    ${chunks.map(({dateAdded, chunk: albums}) => fixWS`
-                        <dt>${strings('listingPage.listAlbums.byDateAdded.date', {
-                            date: strings.count.date(dateAdded)
-                        })}</dt>
-                        <dd><ul>
-                            ${(albums
-                                .map(album => strings('listingPage.listAlbums.byDateAdded.album', {
-                                    album: link.album(album)
-                                }))
-                                .map(row => `<li>${row}</li>`)
-                                .join('\n'))}
-                        </ul></dd>
-                    `).join('\n')}
-                </dl>
-            `;
-        }
-    },
-
-    {
-        directory: 'artists/by-name',
-        stringsKey: 'listArtists.byName',
-
-        data({wikiData}) {
-            return wikiData.artistData.slice()
-                .sort(sortByName)
-                .map(artist => ({artist, contributions: getArtistNumContributions(artist)}));
-        },
-
-        row({artist, contributions}, {link, strings}) {
-            return strings('listingPage.listArtists.byName.item', {
-                artist: link.artist(artist),
-                contributions: strings.count.contributions(contributions, {unit: true})
-            });
-        }
-    },
-
-    {
-        directory: 'artists/by-contribs',
-        stringsKey: 'listArtists.byContribs',
-
-        data({wikiData}) {
-            return {
-                toTracks: (wikiData.artistData
-                    .map(artist => ({
-                        artist,
-                        contributions: (
-                            artist.tracks.asContributor.length +
-                            artist.tracks.asArtist.length
-                        )
-                    }))
-                    .sort((a, b) => b.contributions - a.contributions)
-                    .filter(({ contributions }) => contributions)),
-
-                toArtAndFlashes: (wikiData.artistData
-                    .map(artist => ({
-                        artist,
-                        contributions: (
-                            artist.tracks.asCoverArtist.length +
-                            artist.albums.asCoverArtist.length +
-                            artist.albums.asWallpaperArtist.length +
-                            artist.albums.asBannerArtist.length +
-                            (wikiData.wikiInfo.features.flashesAndGames
-                                ? artist.flashes.asContributor.length
-                                : 0)
-                        )
-                    }))
-                    .sort((a, b) => b.contributions - a.contributions)
-                    .filter(({ contributions }) => contributions)),
-
-                // This is a kinda naughty hack, 8ut like, it's the only place
-                // we'd 8e passing wikiData to html() otherwise, so like....
-                // (Ok we do do this again once later.)
-                showAsFlashes: wikiData.wikiInfo.features.flashesAndGames
-            };
-        },
-
-        html({toTracks, toArtAndFlashes, showAsFlashes}, {link, strings}) {
-            return fixWS`
-                <div class="content-columns">
-                    <div class="column">
-                        <h2>${strings('listingPage.misc.trackContributors')}</h2>
-                        <ul>
-                            ${(toTracks
-                                .map(({ artist, contributions }) => strings('listingPage.listArtists.byContribs.item', {
-                                    artist: link.artist(artist),
-                                    contributions: strings.count.contributions(contributions, {unit: true})
-                                }))
-                                .map(row => `<li>${row}</li>`)
-                                .join('\n'))}
-                         </ul>
-                    </div>
-                    <div class="column">
-                        <h2>${strings('listingPage.misc' +
-                            (showAsFlashes
-                                ? '.artAndFlashContributors'
-                                : '.artContributors'))}</h2>
-                        <ul>
-                            ${(toArtAndFlashes
-                                .map(({ artist, contributions }) => strings('listingPage.listArtists.byContribs.item', {
-                                    artist: link.artist(artist),
-                                    contributions: strings.count.contributions(contributions, {unit: true})
-                                }))
-                                .map(row => `<li>${row}</li>`)
-                                .join('\n'))}
-                        </ul>
-                    </div>
-                </div>
-            `;
-        }
-    },
-
-    {
-        directory: 'artists/by-commentary',
-        stringsKey: 'listArtists.byCommentary',
-
-        data({wikiData}) {
-            return wikiData.artistData
-                .map(artist => ({artist, entries: artist.tracks.asCommentator.length + artist.albums.asCommentator.length}))
-                .filter(({ entries }) => entries)
-                .sort((a, b) => b.entries - a.entries);
-        },
-
-        row({artist, entries}, {link, strings}) {
-            return strings('listingPage.listArtists.byCommentary.item', {
-                artist: link.artist(artist),
-                entries: strings.count.commentaryEntries(entries, {unit: true})
-            });
-        }
-    },
-
-    {
-        directory: 'artists/by-duration',
-        stringsKey: 'listArtists.byDuration',
-
-        data({wikiData}) {
-            return wikiData.artistData
-                .map(artist => ({artist, duration: getTotalDuration(
-                    [...artist.tracks.asArtist, ...artist.tracks.asContributor].filter(track => track.album.directory !== UNRELEASED_TRACKS_DIRECTORY))
-                }))
-                .filter(({ duration }) => duration > 0)
-                .sort((a, b) => b.duration - a.duration);
-        },
-
-        row({artist, duration}, {link, strings}) {
-            return strings('listingPage.listArtists.byDuration.item', {
-                artist: link.artist(artist),
-                duration: strings.count.duration(duration)
-            });
-        }
-    },
-
-    {
-        directory: 'artists/by-latest',
-        stringsKey: 'listArtists.byLatest',
-
-        data({wikiData}) {
-            const reversedTracks = wikiData.trackData.slice().reverse();
-            const reversedArtThings = wikiData.justEverythingSortedByArtDateMan.slice().reverse();
-
-            return {
-                toTracks: sortByDate(wikiData.artistData
-                    .filter(artist => !artist.alias)
-                    .map(artist => ({
-                        artist,
-                        date: reversedTracks.find(({ album, artists, contributors }) => (
-                            album.directory !== UNRELEASED_TRACKS_DIRECTORY &&
-                            [...artists, ...contributors].some(({ who }) => who === artist)
-                        ))?.date
-                    }))
-                    .filter(({ date }) => date)
-                    .sort((a, b) => a.name < b.name ? 1 : a.name > b.name ? -1 : 0)).reverse(),
-
-                toArtAndFlashes: sortByDate(wikiData.artistData
-                    .filter(artist => !artist.alias)
-                    .map(artist => {
-                        const thing = reversedArtThings.find(({ album, coverArtists, contributors }) => (
-                            album?.directory !== UNRELEASED_TRACKS_DIRECTORY &&
-                            [...coverArtists || [], ...!album && contributors || []].some(({ who }) => who === artist)
-                        ));
-                        return thing && {
-                            artist,
-                            date: (thing.coverArtists?.some(({ who }) => who === artist)
-                                ? thing.coverArtDate
-                                : thing.date)
-                        };
-                    })
-                    .filter(Boolean)
-                    .sort((a, b) => a.name < b.name ? 1 : a.name > b.name ? -1 : 0)
-                ).reverse(),
-
-                // (Ok we did it again.)
-                // This is a kinda naughty hack, 8ut like, it's the only place
-                // we'd 8e passing wikiData to html() otherwise, so like....
-                showAsFlashes: wikiData.wikiInfo.features.flashesAndGames
-            };
-        },
-
-        html({toTracks, toArtAndFlashes, showAsFlashes}, {link, strings}) {
-            return fixWS`
-                <div class="content-columns">
-                    <div class="column">
-                        <h2>${strings('listingPage.misc.trackContributors')}</h2>
-                        <ul>
-                            ${(toTracks
-                                .map(({ artist, date }) => strings('listingPage.listArtists.byLatest.item', {
-                                    artist: link.artist(artist),
-                                    date: strings.count.date(date)
-                                }))
-                                .map(row => `<li>${row}</li>`)
-                                .join('\n'))}
-                        </ul>
-                    </div>
-                    <div class="column">
-                        <h2>${strings('listingPage.misc' +
-                            (showAsFlashes
-                                ? '.artAndFlashContributors'
-                                : '.artContributors'))}</h2>
-                        <ul>
-                            ${(toArtAndFlashes
-                                .map(({ artist, date }) => strings('listingPage.listArtists.byLatest.item', {
-                                    artist: link.artist(artist),
-                                    date: strings.count.date(date)
-                                }))
-                                .map(row => `<li>${row}</li>`)
-                                .join('\n'))}
-                        </ul>
-                    </div>
-                </div>
-            `;
-        }
-    },
-
-    {
-        directory: 'groups/by-name',
-        stringsKey: 'listGroups.byName',
-        condition: ({wikiData}) => wikiData.wikiInfo.features.groupUI,
-        data: ({wikiData}) => wikiData.groupData.slice().sort(sortByName),
-
-        row(group, {link, strings}) {
-            return strings('listingPage.listGroups.byCategory.group', {
-                group: link.groupInfo(group),
-                gallery: link.groupGallery(group, {
-                    text: strings('listingPage.listGroups.byCategory.group.gallery')
-                })
-            });
-        }
-    },
-
-    {
-        directory: 'groups/by-category',
-        stringsKey: 'listGroups.byCategory',
-        condition: ({wikiData}) => wikiData.wikiInfo.features.groupUI,
-        data: ({wikiData}) => wikiData.groupCategoryData,
-
-        html(groupCategoryData, {link, strings}) {
-            return fixWS`
-                <dl>
-                    ${groupCategoryData.map(category => fixWS`
-                        <dt>${strings('listingPage.listGroups.byCategory.category', {
-                            category: link.groupInfo(category.groups[0], {text: category.name})
-                        })}</dt>
-                        <dd><ul>
-                            ${(category.groups
-                                .map(group => strings('listingPage.listGroups.byCategory.group', {
-                                    group: link.groupInfo(group),
-                                    gallery: link.groupGallery(group, {
-                                        text: strings('listingPage.listGroups.byCategory.group.gallery')
-                                    })
-                                }))
-                                .map(row => `<li>${row}</li>`)
-                                .join('\n'))}
-                        </ul></dd>
-                    `).join('\n')}
-                </dl>
-            `;
-        }
-    },
-
-    {
-        directory: 'groups/by-albums',
-        stringsKey: 'listGroups.byAlbums',
-        condition: ({wikiData}) => wikiData.wikiInfo.features.groupUI,
-
-        data({wikiData}) {
-            return wikiData.groupData
-                .map(group => ({group, albums: group.albums.length}))
-                .sort((a, b) => b.albums - a.albums);
-        },
-
-        row({group, albums}, {link, strings}) {
-            return strings('listingPage.listGroups.byAlbums.item', {
-                group: link.groupInfo(group),
-                albums: strings.count.albums(albums, {unit: true})
-            });
-        }
-    },
-
-    {
-        directory: 'groups/by-tracks',
-        stringsKey: 'listGroups.byTracks',
-        condition: ({wikiData}) => wikiData.wikiInfo.features.groupUI,
-
-        data({wikiData}) {
-            return wikiData.groupData
-                .map(group => ({group, tracks: group.albums.reduce((acc, album) => acc + album.tracks.length, 0)}))
-                .sort((a, b) => b.tracks - a.tracks);
-        },
-
-        row({group, tracks}, {link, strings}) {
-            return strings('listingPage.listGroups.byTracks.item', {
-                group: link.groupInfo(group),
-                tracks: strings.count.tracks(tracks, {unit: true})
-            });
-        }
-    },
-
-    {
-        directory: 'groups/by-duration',
-        stringsKey: 'listGroups.byDuration',
-        condition: ({wikiData}) => wikiData.wikiInfo.features.groupUI,
-
-        data({wikiData}) {
-            return wikiData.groupData
-                .map(group => ({group, duration: getTotalDuration(group.albums.flatMap(album => album.tracks))}))
-                .sort((a, b) => b.duration - a.duration);
-        },
-
-        row({group, duration}, {link, strings}) {
-            return strings('listingPage.listGroups.byDuration.item', {
-                group: link.groupInfo(group),
-                duration: strings.count.duration(duration)
-            });
-        }
-    },
-
-    {
-        directory: 'groups/by-latest-album',
-        stringsKey: 'listGroups.byLatest',
-        condition: ({wikiData}) => wikiData.wikiInfo.features.groupUI,
-
-        data({wikiData}) {
-            return sortByDate(wikiData.groupData
-                .map(group => ({group, date: group.albums[group.albums.length - 1].date}))
-                // So this is kinda tough to explain, 8ut 8asically, when we
-                // reverse the list after sorting it 8y d8te (so that the latest
-                // d8tes come first), it also flips the order of groups which
-                // share the same d8te.  This happens mostly when a single al8um
-                // is the l8test in two groups. So, say one such al8um is in the
-                // groups "Fandom" and "UMSPAF". Per category order, Fandom is
-                // meant to show up 8efore UMSPAF, 8ut when we do the reverse
-                // l8ter, that flips them, and UMSPAF ends up displaying 8efore
-                // Fandom. So we do an extra reverse here, which will fix that
-                // and only affect groups that share the same d8te (8ecause
-                // groups that don't will 8e moved 8y the sortByDate call
-                // surrounding this).
-                .reverse()).reverse()
-        },
-
-        row({group, date}, {link, strings}) {
-            return strings('listingPage.listGroups.byLatest.item', {
-                group: link.groupInfo(group),
-                date: strings.count.date(date)
-            });
-        }
-    },
-
-    {
-        directory: 'tracks/by-name',
-        stringsKey: 'listTracks.byName',
+      }
 
-        data({wikiData}) {
-            return wikiData.trackData.slice().sort(sortByName);
-        },
+      listing.seeAlso = listing.seeAlso.filter(Boolean);
 
-        row(track, {link, strings}) {
-            return strings('listingPage.listTracks.byName.item', {
-                track: link.track(track)
-            });
-        }
-    },
-
-    {
-        directory: 'tracks/by-album',
-        stringsKey: 'listTracks.byAlbum',
-        data: ({wikiData}) => wikiData.albumData,
-
-        html(albumData, {link, strings}) {
-            return fixWS`
-                <dl>
-                    ${albumData.map(album => fixWS`
-                        <dt>${strings('listingPage.listTracks.byAlbum.album', {
-                            album: link.album(album)
-                        })}</dt>
-                        <dd><ol>
-                            ${(album.tracks
-                                .map(track => strings('listingPage.listTracks.byAlbum.track', {
-                                    track: link.track(track)
-                                }))
-                                .map(row => `<li>${row}</li>`)
-                                .join('\n'))}
-                        </ol></dd>
-                    `).join('\n')}
-                </dl>
-            `;
-        }
-    },
-
-    {
-        directory: 'tracks/by-date',
-        stringsKey: 'listTracks.byDate',
-
-        data({wikiData}) {
-            return chunkByProperties(
-                sortByDate(wikiData.trackData.filter(track => track.album.directory !== UNRELEASED_TRACKS_DIRECTORY)),
-                ['album', 'date']
-            );
-        },
-
-        html(chunks, {link, strings}) {
-            return fixWS`
-                <dl>
-                    ${chunks.map(({album, date, chunk: tracks}) => fixWS`
-                        <dt>${strings('listingPage.listTracks.byDate.album', {
-                            album: link.album(album),
-                            date: strings.count.date(date)
-                        })}</dt>
-                        <dd><ul>
-                            ${(tracks
-                                .map(track => track.aka
-                                    ? `<li class="rerelease">${strings('listingPage.listTracks.byDate.track.rerelease', {
-                                        track: link.track(track)
-                                    })}</li>`
-                                    : `<li>${strings('listingPage.listTracks.byDate.track', {
-                                        track: link.track(track)
-                                    })}</li>`)
-                                .join('\n'))}
-                        </ul></dd>
-                    `).join('\n')}
-                </dl>
-            `;
-        }
-    },
-
-    {
-        directory: 'tracks/by-duration',
-        stringsKey: 'listTracks.byDuration',
-
-        data({wikiData}) {
-            return wikiData.trackData
-                .filter(track => track.album.directory !== UNRELEASED_TRACKS_DIRECTORY)
-                .map(track => ({track, duration: track.duration}))
-                .filter(({ duration }) => duration > 0)
-                .sort((a, b) => b.duration - a.duration);
-        },
-
-        row({track, duration}, {link, strings}) {
-            return strings('listingPage.listTracks.byDuration.item', {
-                track: link.track(track),
-                duration: strings.count.duration(duration)
-            });
-        }
-    },
-
-    {
-        directory: 'tracks/by-duration-in-album',
-        stringsKey: 'listTracks.byDurationInAlbum',
-
-        data({wikiData}) {
-            return wikiData.albumData.map(album => ({
-                album,
-                tracks: album.tracks.slice().sort((a, b) => b.duration - a.duration)
-            }));
-        },
-
-        html(albums, {link, strings}) {
-            return fixWS`
-                <dl>
-                    ${albums.map(({album, tracks}) => fixWS`
-                        <dt>${strings('listingPage.listTracks.byDurationInAlbum.album', {
-                            album: link.album(album)
-                        })}</dt>
-                        <dd><ul>
-                            ${(tracks
-                                .map(track => strings('listingPage.listTracks.byDurationInAlbum.track', {
-                                    track: link.track(track),
-                                    duration: strings.count.duration(track.duration)
-                                }))
-                                .map(row => `<li>${row}</li>`)
-                                .join('\n'))}
-                        </dd></ul>
-                    `).join('\n')}
-                </dl>
-            `;
-        }
-    },
-
-    {
-        directory: 'tracks/by-times-referenced',
-        stringsKey: 'listTracks.byTimesReferenced',
-
-        data({wikiData}) {
-            return wikiData.trackData
-                .map(track => ({track, timesReferenced: track.referencedBy.length}))
-                .filter(({ timesReferenced }) => timesReferenced > 0)
-                .sort((a, b) => b.timesReferenced - a.timesReferenced);
-        },
-
-        row({track, timesReferenced}, {link, strings}) {
-            return strings('listingPage.listTracks.byTimesReferenced.item', {
-                track: link.track(track),
-                timesReferenced: strings.count.timesReferenced(timesReferenced, {unit: true})
-            });
-        }
-    },
-
-    {
-        directory: 'tracks/in-flashes/by-album',
-        stringsKey: 'listTracks.inFlashes.byAlbum',
-        condition: ({wikiData}) => wikiData.wikiInfo.features.flashesAndGames,
-
-        data({wikiData}) {
-            return chunkByProperties(wikiData.trackData
-                .filter(t => t.flashes.length > 0), ['album'])
-                .filter(({ album }) => album.directory !== UNRELEASED_TRACKS_DIRECTORY);
-        },
-
-        html(chunks, {link, strings}) {
-            return fixWS`
-                <dl>
-                    ${chunks.map(({album, chunk: tracks}) => fixWS`
-                        <dt>${strings('listingPage.listTracks.inFlashes.byAlbum.album', {
-                            album: link.album(album),
-                            date: strings.count.date(album.date)
-                        })}</dt>
-                        <dd><ul>
-                            ${(tracks
-                                .map(track => strings('listingPage.listTracks.inFlashes.byAlbum.track', {
-                                    track: link.track(track),
-                                    flashes: strings.list.and(track.flashes.map(link.flash))
-                                }))
-                                .map(row => `<li>${row}</li>`)
-                                .join('\n'))}
-                        </dd></ul>
-                    `).join('\n')}
-                </dl>
-            `;
-        }
-    },
-
-    {
-        directory: 'tracks/in-flashes/by-flash',
-        stringsKey: 'listTracks.inFlashes.byFlash',
-        condition: ({wikiData}) => wikiData.wikiInfo.features.flashesAndGames,
-        data: ({wikiData}) => wikiData.flashData,
-
-        html(flashData, {link, strings}) {
-            return fixWS`
-                <dl>
-                    ${sortByDate(flashData.slice()).map(flash => fixWS`
-                        <dt>${strings('listingPage.listTracks.inFlashes.byFlash.flash', {
-                            flash: link.flash(flash),
-                            date: strings.count.date(flash.date)
-                        })}</dt>
-                        <dd><ul>
-                            ${(flash.tracks
-                                .map(track => strings('listingPage.listTracks.inFlashes.byFlash.track', {
-                                    track: link.track(track),
-                                    album: link.album(track.album)
-                                }))
-                                .map(row => `<li>${row}</li>`)
-                                .join('\n'))}
-                        </ul></dd>
-                    `).join('\n')}
-                </dl>
-            `;
-        }
-    },
-
-    {
-        directory: 'tracks/with-lyrics',
-        stringsKey: 'listTracks.withLyrics',
-
-        data({wikiData}) {
-            return chunkByProperties(wikiData.trackData.filter(t => t.lyrics), ['album']);
-        },
-
-        html(chunks, {link, strings}) {
-            return fixWS`
-                <dl>
-                    ${chunks.map(({album, chunk: tracks}) => fixWS`
-                        <dt>${strings('listingPage.listTracks.withLyrics.album', {
-                            album: link.album(album),
-                            date: strings.count.date(album.date)
-                        })}</dt>
-                        <dd><ul>
-                            ${(tracks
-                                .map(track => strings('listingPage.listTracks.withLyrics.track', {
-                                    track: link.track(track),
-                                }))
-                                .map(row => `<li>${row}</li>`)
-                                .join('\n'))}
-                        </dd></ul>
-                    `).join('\n')}
-                </dl>
-            `;
-        }
-    },
-
-    {
-        directory: 'tags/by-name',
-        stringsKey: 'listTags.byName',
-        condition: ({wikiData}) => wikiData.wikiInfo.features.artTagUI,
-
-        data({wikiData}) {
-            return wikiData.tagData
-                .filter(tag => !tag.isCW)
-                .sort(sortByName)
-                .map(tag => ({tag, timesUsed: tag.things.length}));
-        },
-
-        row({tag, timesUsed}, {link, strings}) {
-            return strings('listingPage.listTags.byName.item', {
-                tag: link.tag(tag),
-                timesUsed: strings.count.timesUsed(timesUsed, {unit: true})
-            });
-        }
-    },
-
-    {
-        directory: 'tags/by-uses',
-        stringsKey: 'listTags.byUses',
-        condition: ({wikiData}) => wikiData.wikiInfo.features.artTagUI,
-
-        data({wikiData}) {
-            return wikiData.tagData
-                .filter(tag => !tag.isCW)
-                .map(tag => ({tag, timesUsed: tag.things.length}))
-                .sort((a, b) => b.timesUsed - a.timesUsed);
-        },
-
-        row({tag, timesUsed}, {link, strings}) {
-            return strings('listingPage.listTags.byUses.item', {
-                tag: link.tag(tag),
-                timesUsed: strings.count.timesUsed(timesUsed, {unit: true})
-            });
-        }
-    },
-
-    {
-        directory: 'random',
-        stringsKey: 'other.randomPages',
-
-        data: ({wikiData}) => ({
-            officialAlbumData: wikiData.officialAlbumData,
-            fandomAlbumData: wikiData.fandomAlbumData
-        }),
-
-        html: ({officialAlbumData, fandomAlbumData}, {
-            getLinkThemeString,
-            strings
-        }) => fixWS`
-            <p>Choose a link to go to a random page in that category or album! If your browser doesn't support relatively modern JavaScript or you've disabled it, these links won't work - sorry.</p>
-            <p class="js-hide-once-data">(Data files are downloading in the background! Please wait for data to load.)</p>
-            <p class="js-show-once-data">(Data files have finished being downloaded. The links should work!)</p>
-            <dl>
-                <dt>Miscellaneous:</dt>
-                <dd><ul>
-                    <li>
-                        <a href="#" data-random="artist">Random Artist</a>
-                        (<a href="#" data-random="artist-more-than-one-contrib">&gt;1 contribution</a>)
-                    </li>
-                    <li><a href="#" data-random="album">Random Album (whole site)</a></li>
-                    <li><a href="#" data-random="track">Random Track (whole site)</a></li>
-                </ul></dd>
-                ${[
-                    {name: 'Official', albumData: officialAlbumData, code: 'official'},
-                    {name: 'Fandom', albumData: fandomAlbumData, code: 'fandom'}
-                ].map(category => fixWS`
-                    <dt>${category.name}: (<a href="#" data-random="album-in-${category.code}">Random Album</a>, <a href="#" data-random="track-in-${category.code}">Random Track</a>)</dt>
-                    <dd><ul>${category.albumData.map(album => fixWS`
-                        <li><a style="${getLinkThemeString(album.color)}; --album-directory: ${album.directory}" href="#" data-random="track-in-album">${album.name}</a></li>
-                    `).join('\n')}</ul></dd>
-                `).join('\n')}
-            </dl>
-        `
+      if (!empty(suberrors)) {
+        errors.push(new AggregateError(suberrors, `Errors matching "see also" listings for ${listing.directory}`));
+      }
+    } else {
+      listing.seeAlso = null;
     }
-];
+  }
 
-const filterListings = directoryPrefix => listingSpec
-    .filter(l => l.directory.startsWith(directoryPrefix));
+  if (!empty(errors)) {
+    const aggregate = new AggregateError(errors, `Errors validating listings`);
+    showAggregate(aggregate, {showTraces: false});
+  }
+}
+
+const filterListings = (directoryPrefix) =>
+  listingSpec.filter(l => l.directory.startsWith(directoryPrefix));
 
 const listingTargetSpec = [
-    {
-        title: ({strings}) => strings('listingPage.target.album'),
-        listings: filterListings('album')
-    },
-    {
-        title: ({strings}) => strings('listingPage.target.artist'),
-        listings: filterListings('artist')
-    },
-    {
-        title: ({strings}) => strings('listingPage.target.group'),
-        listings: filterListings('group')
-    },
-    {
-        title: ({strings}) => strings('listingPage.target.track'),
-        listings: filterListings('track')
-    },
-    {
-        title: ({strings}) => strings('listingPage.target.tag'),
-        listings: filterListings('tag')
-    },
-    {
-        title: ({strings}) => strings('listingPage.target.other'),
-        listings: [
-            listingSpec.find(l => l.directory === 'random')
-        ]
-    }
+  {
+    stringsKey: 'album',
+    listings: filterListings('album'),
+  },
+  {
+    stringsKey: 'artist',
+    listings: filterListings('artist'),
+  },
+  {
+    stringsKey: 'group',
+    listings: filterListings('group'),
+  },
+  {
+    stringsKey: 'track',
+    listings: filterListings('track'),
+  },
+  {
+    stringsKey: 'tag',
+    listings: filterListings('tag'),
+  },
+  {
+    stringsKey: 'other',
+    listings: listingSpec.filter(l => l.groupUnderOther),
+  },
 ];
 
+for (const target of listingTargetSpec) {
+  for (const listing of target.listings) {
+    listing.target = target;
+  }
+}
+
 export {listingSpec, listingTargetSpec};