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import {empty, stitchArrays} from '#sugar';
export default {
extraDependencies: ['to'],
data(album, track) {
const data = {};
data.hasWallpaper = !empty(album.wallpaperArtistContribs);
data.hasBanner = !empty(album.bannerArtistContribs);
if (data.hasWallpaper) {
if (!empty(album.wallpaperParts)) {
data.wallpaperMode = 'parts';
data.wallpaperPaths =
album.wallpaperParts.map(part =>
(part.asset
? ['media.albumWallpaperPart', album.directory, part.asset]
: null));
data.wallpaperStyles =
album.wallpaperParts.map(part => part.style);
} else {
data.wallpaperMode = 'one';
data.wallpaperPath = ['media.albumWallpaper', album.directory, album.wallpaperFileExtension];
data.wallpaperStyle = album.wallpaperStyle;
}
}
if (data.hasBanner) {
data.hasBannerStyle = !!album.bannerStyle;
data.bannerStyle = album.bannerStyle;
}
data.albumDirectory = album.directory;
if (track) {
data.trackDirectory = track.directory;
}
return data;
},
generate(data, {to}) {
const indent = parts =>
(parts ?? [])
.filter(Boolean)
.join('\n')
.split('\n')
.map(line => ' '.repeat(4) + line)
.join('\n');
const rule = (selector, parts) =>
(!empty(parts.filter(Boolean))
? [`${selector} {`, indent(parts), `}`]
: []);
const oneWallpaperRule =
data.wallpaperMode === 'one' &&
rule(`body::before`, [
`background-image: url("${to(...data.wallpaperPath)}");`,
data.wallpaperStyle,
]);
const wallpaperPartRules =
data.wallpaperMode === 'parts' &&
stitchArrays({
path: data.wallpaperPaths,
style: data.wallpaperStyles,
}).map(({path, style}, index) =>
rule(`.wallpaper-part:nth-child(${index + 1})`, [
path && `background-image: url("${to(...path)}");`,
style,
]));
const nukeBasicWallpaperRule =
data.wallpaperMode === 'parts' &&
rule(`body::before`, ['display: none']);
const wallpaperRules = [
oneWallpaperRule,
...wallpaperPartRules || [],
nukeBasicWallpaperRule,
];
const bannerRule =
data.hasBanner &&
rule(`#banner img`, [
data.bannerStyle,
]);
const dataRule =
rule(`:root`, [
data.albumDirectory &&
`--album-directory: ${data.albumDirectory};`,
data.trackDirectory &&
`--track-directory: ${data.trackDirectory};`,
]);
return (
[...wallpaperRules, bannerRule, dataRule]
.filter(Boolean)
.flat()
.join('\n'));
},
};
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