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import {accumulateSum, stitchArrays} from '#sugar';
import {filterByCount, sortAlphabetically, sortByCount} from '#wiki-data';
export default {
contentDependencies: ['generateListingPage', 'linkGroup'],
extraDependencies: ['language', 'wikiData'],
sprawl({groupData}) {
return {groupData};
},
query({groupData}, spec) {
const groups = sortAlphabetically(groupData.slice());
const counts =
groups.map(group =>
accumulateSum(
group.albums,
({tracks}) => tracks.length));
filterByCount(groups, counts);
sortByCount(groups, counts, {greatestFirst: true});
return {spec, groups, counts};
},
relations(relation, query) {
return {
page: relation('generateListingPage', query.spec),
groupLinks:
query.groups
.map(group => relation('linkGroup', group)),
};
},
data(query) {
return {
counts: query.counts,
};
},
generate(data, relations, {language}) {
return relations.page.slots({
type: 'rows',
rows:
stitchArrays({
link: relations.groupLinks,
count: data.counts,
}).map(({link, count}) => ({
group: link,
tracks: language.countTracks(count, {unit: true}),
})),
});
},
};
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