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

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

import { GridContinuation, Parser, SectionListContinuation, TvSurfaceContentContinuation } from '../index.js';
import { observe } from '../helpers.js';
import { InnertubeError } from '../../utils/Utils.js';
import SectionList from '../classes/SectionList.js';
import TvSurfaceContent from '../classes/tv/TvSurfaceContent.js';
import Grid from '../classes/Grid.js';
export default class Library {
    #page;
    #actions;
    #continuation;
    contents;
    constructor(response, actions) {
        this.#actions = actions;
        this.#page = Parser.parseResponse(response.data);
        const tvSurfaceContent = this.#page.contents_memo?.getType(TvSurfaceContent)?.[0];
        if (tvSurfaceContent) {
            if (tvSurfaceContent.content?.is(SectionList)) {
                this.contents = tvSurfaceContent.content.contents;
                this.#continuation = tvSurfaceContent.content.continuation;
            }
            else if (tvSurfaceContent.content?.is(Grid)) {
                this.contents = tvSurfaceContent.content.contents;
                this.#continuation = tvSurfaceContent.content.continuation ?? undefined;
            }
        }
        if (this.#page.continuation_contents) {
            if (this.#page.continuation_contents?.is(SectionListContinuation)) {
                const data = this.#page.continuation_contents?.as(SectionListContinuation);
                if (!data.contents) {
                    throw new InnertubeError('No contents found in the response');
                }
                this.contents = data.contents;
                this.#continuation = data.continuation ?? undefined;
            }
            else if (this.#page.continuation_contents?.is(GridContinuation)) {
                const data = this.#page.continuation_contents?.as(GridContinuation);
                this.contents = data.contents ?? undefined;
                this.#continuation = data.continuation ?? undefined;
            }
            else if (this.#page.continuation_contents?.is(TvSurfaceContentContinuation)) {
                const data = this.#page.continuation_contents?.as(TvSurfaceContentContinuation);
                // Nested data
                if (data?.content?.is(Grid)) {
                    this.contents = data?.content.contents ?? undefined;
                    this.#continuation = data?.content.continuation ?? undefined;
                }
            }
        }
    }
    async selectButtonTile(tile) {
        if (tile.style === 'TILE_STYLE_YTLR_WORMHOLE_RECTANGULAR' && tile.content_id && ['FEhistory', 'FEplaylist_aggregation'].includes(tile.content_id)) {
            const response = await tile.on_select_endpoint.call(this.#actions, {
                client: 'TV'
            });
            return new Library(response, this.#actions);
        }
        throw new InnertubeError(`Tile with content_id ${tile.content_id} not found`);
    }
    /**
     * Retrieves library 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 Library(response, this.#actions);
    }
    get page() {
        return this.#page;
    }
    get items() {
        return this.contents || observe([]);
    }
    get has_continuation() {
        return !!this.#continuation;
    }
}
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