bandcamp-fetch/dist/mjs/lib/fan/FanWishlistParser.js

Scrape Bandcamp content

import FanItemsBaseParser from './FanItemsBaseParser.js';
export default class FanWishlistParser extends FanItemsBaseParser {
    static parseWishlistFromPage(html, opts) {
        return this.parsePageItems(html, {
            ...opts,
            dataKey: 'wishlist',
            parseItemFn: this.parseWishlistItem
        });
    }
    static parseWishlistFromContinuation(json, continuation, opts) {
        return this.parseContinuationItems(json, continuation, {
            ...opts,
            dataKey: 'items',
            parseItemFn: this.parseWishlistItem
        });
    }
    static parseWishlistItem(data, opts, tracklists) {
        if (!data) {
            return null;
        }
        const _findInTrackLists = (tracklists, id) => {
            if (!tracklists || typeof tracklists !== 'object') {
                return null;
            }
            for (const tracks of Object.values(tracklists)) {
                if (Array.isArray(tracks)) {
                    const track = tracks.find((t) => t.id === id);
                    if (track) {
                        return track;
                    }
                }
            }
        };
        let mediaItemType;
        switch (data.tralbum_type) {
            case 'a':
                mediaItemType = 'album';
                break;
            case 't':
                mediaItemType = 'track';
                break;
            default:
                mediaItemType = null;
        }
        if (!mediaItemType) {
            return null;
        }
        const mediaItem = {
            type: mediaItemType,
            id: data.item_id,
            name: data.item_title,
            url: data.item_url,
            imageUrl: '',
            artist: {
                name: data.band_name
            }
        };
        if (data.item_art_id && opts.imageFormat?.id) {
            mediaItem.imageUrl = `${opts.imageBaseUrl}/img/a${data.item_art_id}_${opts.imageFormat.id}.jpg`;
        }
        if (data.url_hints && data.url_hints.subdomain && mediaItem.artist) {
            mediaItem.artist.url = `https://${data.url_hints.subdomain}.bandcamp.com`;
        }
        const featuredTrackData = data.featured_track !== undefined ? _findInTrackLists(tracklists, data.featured_track) : null;
        if (featuredTrackData) {
            const duration = featuredTrackData.duration;
            const streamUrl = featuredTrackData.file?.['mp3-128'];
            const streamUrlHQ = featuredTrackData.file?.['mp3-v0'];
            if (mediaItemType === 'album') {
                const featuredTrack = {
                    id: featuredTrackData.id,
                    position: featuredTrackData.track_number,
                    name: featuredTrackData.title,
                    artist: featuredTrackData.artist,
                    duration,
                    streamUrl
                };
                if (streamUrlHQ) {
                    featuredTrack.streamUrlHQ = streamUrlHQ;
                }
                mediaItem.featuredTrack = featuredTrack;
            }
            else {
                mediaItem.duration = duration;
                mediaItem.streamUrl = streamUrl;
                if (streamUrlHQ) {
                    mediaItem.streamUrlHQ = streamUrlHQ;
                }
            }
        }
        return mediaItem;
    }
}
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