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import {empty} from '../../util/sugar.js';
export default {
contentDependencies: [
'generateColorStyleVariables',
'generateSecondaryNav',
'linkAlbum',
'linkGroup',
'linkTrack',
],
extraDependencies: ['html', 'language'],
relations(relation, album) {
const relations = {};
relations.secondaryNav =
relation('generateSecondaryNav');
relations.groupParts =
album.groups.map(group => {
const relations = {};
relations.groupLink =
relation('linkGroup', group);
relations.colorVariables =
relation('generateColorStyleVariables', group.color);
if (album.date) {
const albums = group.albums.filter(album => album.date);
const index = albums.indexOf(album);
const previousAlbum = (index > 0) && albums[index - 1];
const nextAlbum = (index < albums.length - 1) && albums[index + 1];
if (previousAlbum) {
relations.previousAlbumLink =
relation('linkAlbum', previousAlbum);
}
if (nextAlbum) {
relations.nextAlbumLink =
relation('linkAlbum', nextAlbum);
}
}
return relations;
});
return relations;
},
slots: {
mode: {
validate: v => v.is('album', 'track'),
default: 'album',
},
},
generate(relations, slots, {html, language}) {
return relations.secondaryNav.slots({
class: 'nav-links-groups',
content:
relations.groupParts.map(({
colorVariables,
groupLink,
previousAlbumLink,
nextAlbumLink,
}) => {
const links = [
previousAlbumLink
?.slots({
color: false,
content: language.$('misc.nav.previous'),
}),
nextAlbumLink
?.slots({
color: false,
content: language.$('misc.nav.next'),
}),
].filter(Boolean);
return (
(slots.mode === 'album' && !empty(links)
? html.tag('span', {style: colorVariables}, [
language.$('albumSidebar.groupBox.title', {
group: groupLink,
}),
`(${language.formatUnitList(links)})`,
])
: language.$('albumSidebar.groupBox.title', {
group: groupLink,
})));
}),
});
},
};
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