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// Gets the track section containing this track from its album's track list.
// If notFoundMode is set to 'exit', this will early exit if the album can't be
// found or if none of its trackSections includes the track for some reason.
import {input, templateCompositeFrom} from '#composite';
import {is} from '#validators';
import withPropertyFromAlbum from './withPropertyFromAlbum.js';
export default templateCompositeFrom({
annotation: `withContainingTrackSection`,
inputs: {
notFoundMode: input({
validate: is('exit', 'null'),
defaultValue: 'null',
}),
},
outputs: ['#trackSection'],
steps: () => [
withPropertyFromAlbum({
property: input.value('trackSections'),
notFoundMode: input('notFoundMode'),
}),
{
dependencies: [
input.myself(),
input('notFoundMode'),
'#album.trackSections',
],
compute(continuation, {
[input.myself()]: track,
[input('notFoundMode')]: notFoundMode,
['#album.trackSections']: trackSections,
}) {
if (!trackSections) {
return continuation.raiseOutput({
['#trackSection']: null,
});
}
const trackSection =
trackSections.find(({tracks}) => tracks.includes(track));
if (trackSection) {
return continuation.raiseOutput({
['#trackSection']: trackSection,
});
} else if (notFoundMode === 'exit') {
return continuation.exit(null);
} else {
return continuation.raiseOutput({
['#trackSection']: null,
});
}
},
},
],
});
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