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import {empty, filterMultipleArrays, runs, stitchArrays, unique} from '#sugar';
import {TupleMapForBabies} from '#wiki-data';
export default {
sprawl: ({wikiInfo}) => ({
divideTrackListsByGroups:
wikiInfo.divideTrackListsByGroups,
}),
query(sprawl, tracks, contextTrack) {
const wikiDividingGroups = sprawl.divideTrackListsByGroups;
const contextDividingGroups =
contextTrack.groups
.filter(group => !wikiDividingGroups.includes(group));
const contextGroupRuns =
Array.from(runs(contextDividingGroups));
const groupings = new TupleMapForBabies('strong');
const ungroupedTracks = [];
const order = [
...contextGroupRuns,
...wikiDividingGroups.map(group => [group]),
];
for (const track of tracks) {
let run;
getRun: {
run =
contextDividingGroups
.filter(group => track.groups.includes(group));
if (!empty(run)) {
break getRun;
}
const wikiGroup =
wikiDividingGroups.find(group => track.groups.includes(group));
if (wikiGroup) {
run = [wikiGroup];
break getRun;
}
ungroupedTracks.push(track);
continue;
}
if (groupings.has(...run)) {
groupings.get(...run).push(track);
} else {
groupings.set(...run, [track]);
}
}
let groupingGroups = order.slice();
const groupedTracks = order.map(run => groupings.get(...run) ?? []);
filterMultipleArrays(
groupingGroups,
groupedTracks,
(_groups, tracks) => !empty(tracks));
const presentContextDividingGroups =
unique(groupingGroups.flat())
.filter(group => contextDividingGroups.includes(group));
const uninformativeGroups =
presentContextDividingGroups.filter((group, index) =>
presentContextDividingGroups
.slice(0, index)
.some(earlier =>
groupingGroups.every(run =>
run.includes(earlier) && run.includes(group) ||
!run.includes(earlier) && !run.includes(group))));
groupingGroups =
groupingGroups.map(groups =>
groups.filter(group =>
!uninformativeGroups.includes(group)));
return {groupingGroups, groupedTracks, ungroupedTracks};
},
relations: (relation, query, sprawl, tracks, contextTrack) => ({
flatList:
(empty(sprawl.divideTrackListsByGroups)
? relation('generateNearbyTrackList', tracks, contextTrack, [])
: null),
contentHeading:
relation('generateContentHeading'),
groupLinks:
query.groupingGroups
.map(groups => groups
.map(group => relation('linkGroup', group))),
groupedTrackLists:
query.groupedTracks
.map(tracks => relation('generateNearbyTrackList', tracks, contextTrack, [])),
ungroupedTrackList:
(empty(query.ungroupedTracks)
? null
: relation('generateNearbyTrackList', query.ungroupedTracks, contextTrack, [])),
}),
data: (query, _sprawl, _tracks) => ({
groupNames:
query.groupingGroups
.map(groups => groups
.map(group => group.name)),
}),
slots: {
headingString: {
type: 'string',
},
},
generate: (data, relations, slots, {html, language}) =>
relations.flatList ??
html.tag('dl', {class: 'division-list'},
{[html.onlyIfContent]: true},
language.encapsulate('trackList', listCapsule => [
stitchArrays({
groupNames: data.groupNames,
groupLinks: relations.groupLinks,
trackList: relations.groupedTrackLists,
}).map(({
groupNames,
groupLinks,
trackList,
}) => [
language.encapsulate(listCapsule, 'fromGroup', capsule => {
const title =
language.$(capsule, {
group:
language.formatConjunctionList(
groupLinks.map(link => link.slot('color', false))),
});
if (slots.headingString) {
return relations.contentHeading.clone().slots({
tag: 'dt',
title,
stickyTitle:
language.$(slots.headingString, 'sticky', 'fromGroup', {
group:
language.formatConjunctionList(groupNames),
}),
});
} else {
return html.tag('dt', title);
}
}),
html.tag('dd', trackList),
]),
relations.ungroupedTrackList && [
language.encapsulate(listCapsule, 'fromOther', capsule =>
(slots.headingString
? relations.contentHeading.clone().slots({
tag: 'dt',
title:
language.$(capsule),
stickyTitle:
language.$(slots.headingString, 'sticky', 'fromOther'),
})
: html.tag('dt',
language.$(capsule)))),
html.tag('dd', relations.ungroupedTrackList),
],
])),
};
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