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import Thing from './thing.js';
import {
validateDirectory,
validateReference
} from './structures.js';
import {
showAggregate,
withAggregate
} from '../util/sugar.js';
export default class Album extends Thing {
#directory = null;
#tracks = [];
static updateError = {
directory: Thing.extendPropertyError('directory'),
tracks: Thing.extendPropertyError('tracks')
};
update(source) {
const err = this.constructor.updateError;
withAggregate(({ nest, filter, throws }) => {
if (source.directory) {
nest(throws(err.directory), ({ call }) => {
if (call(validateDirectory, source.directory)) {
this.#directory = source.directory;
}
});
}
if (source.tracks)
this.#tracks = filter(source.tracks, validateReference('track'), throws(err.tracks));
});
}
get directory() { return this.#directory; }
get tracks() { return this.#tracks; }
}
const album = new Album();
console.log('tracks (before):', album.tracks);
try {
album.update({
directory: 'oh yes',
tracks: [
'lol',
123,
'track:oh-yeah',
'group:what-am-i-doing-here'
]
});
} catch (error) {
showAggregate(error);
}
console.log('tracks (after):', album.tracks);
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