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// Gets the date of cover art release. This represents only the track's own
// unique cover artwork, if any.
//
// If the 'fallback' option is false (the default), this will only output
// the track's own coverArtDate or its album's trackArtDate. If 'fallback'
// is set, and neither of these is available, it'll output the track's own
// date instead.
import {input, templateCompositeFrom} from '#composite';
import {isDate} from '#validators';
import {raiseOutputWithoutDependency} from '#composite/control-flow';
import withDate from './withDate.js';
import withHasUniqueCoverArt from './withHasUniqueCoverArt.js';
import withPropertyFromAlbum from './withPropertyFromAlbum.js';
export default templateCompositeFrom({
annotation: `withTrackArtDate`,
inputs: {
from: input({
validate: isDate,
defaultDependency: 'coverArtDate',
acceptsNull: true,
}),
fallback: input({
type: 'boolean',
defaultValue: false,
}),
},
outputs: ['#trackArtDate'],
steps: () => [
withHasUniqueCoverArt(),
raiseOutputWithoutDependency({
dependency: '#hasUniqueCoverArt',
mode: input.value('falsy'),
output: input.value({'#trackArtDate': null}),
}),
{
dependencies: [input('from')],
compute: (continuation, {
[input('from')]: from,
}) =>
(from
? continuation.raiseOutput({'#trackArtDate': from})
: continuation()),
},
withPropertyFromAlbum({
property: input.value('trackArtDate'),
}),
{
dependencies: [
'#album.trackArtDate',
input('fallback'),
],
compute: (continuation, {
['#album.trackArtDate']: albumTrackArtDate,
[input('fallback')]: fallback,
}) =>
(albumTrackArtDate
? continuation.raiseOutput({'#trackArtDate': albumTrackArtDate})
: fallback
? continuation()
: continuation.raiseOutput({'#trackArtDate': null})),
},
withDate().outputs({
'#date': '#trackArtDate',
}),
],
});
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