@duell10111/youtubei.js/dist/src/parser/yttv/Playlist.js

A JavaScript client for YouTube's private API, known as InnerTube.

import { Parser, PlaylistVideoListContinuation } from '../index.js';
import { InnertubeError } from '../../utils/Utils.js';
import { observe } from '../helpers.js';
import TwoColumn from '../classes/TwoColumn.js';
export default class Playlist {
    #page;
    #actions;
    #continuation;
    header;
    contents;
    background;
    constructor(response, actions) {
        this.#actions = actions;
        this.#page = Parser.parseResponse(response.data);
        this.#continuation = null;
        const two_col = this.#page.contents_memo?.getType(TwoColumn)?.[0];
        if (two_col) {
            this.header = two_col.left_column ?? undefined;
            if (two_col.right_column) {
                this.#continuation = two_col.right_column.continuation ?? null;
                this.contents = two_col.right_column.videos ?? null;
            }
        }
        if (this.#page.continuation_contents) {
            const data = this.#page.continuation_contents?.as(PlaylistVideoListContinuation);
            if (!data.contents) {
                throw new InnertubeError('No contents found in the response');
            }
            this.contents = data.contents;
            this.#continuation = data.continuation ?? null;
        }
    }
    /**
     * Retrieves playlist items continuation.
     */
    async getContinuation() {
        if (!this.#continuation)
            throw new InnertubeError('Continuation not found.');
        const response = await this.#actions.execute('/browse', {
            client: 'TV',
            continuation: this.#continuation
        });
        return new Playlist(response, this.#actions);
    }
    get page() {
        return this.#page;
    }
    get items() {
        return this.contents || observe([]);
    }
    get has_continuation() {
        return !!this.#continuation;
    }
}
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