twitch-comment-downloader/dist/comments.js

Fetch comments for a given twitch vod

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const axios_1 = require("axios");
const constants_1 = require("./constants");
/**
 * Responsible for handling interaction with Twitch comment APIs
 *
 * @export
 * @class TwitchCommentDownloader
 */
class TwitchCommentDownloader {
    constructor(clientId) {
        if (!clientId) {
            throw new Error("constructor requires client id parameter");
        }
        this.clientId = clientId;
    }
    /**
     * Returns all comments for a given vod id
     *
     * @param {string} vodId
     * @returns {Promise<ITwitchComment[]>}
     */
    async getComments(vodId) {
        const allComments = [];
        let cursor;
        do {
            const commentsMaybe = await this.getCommentsChunk(vodId, cursor);
            if (!commentsMaybe.success) {
                throw new Error(commentsMaybe.reason);
            }
            const { comments, _next } = commentsMaybe.result;
            allComments.push(...comments);
            cursor = _next;
        } while (cursor);
        return allComments;
    }
    ;
    /**
     * Get comments for a given vod
     *
     * @static
     * @param {string} vodId
     * @param {string} [cursor]
     * @returns {Promise<Result<ITwitchCommentResponse>>}
     */
    async getCommentsChunk(vodId, cursor) {
        const url = cursor
            ? `${constants_1.default.TWITCH_API_BASE}/videos/${vodId}/comments?cursor=${cursor}`
            : `${constants_1.default.TWITCH_API_BASE}/videos/${vodId}/comments?content_offset_seconds=0`;
        const method = "GET";
        const headers = {
            "client-id": this.clientId,
            "content-type": "application/json; charset=UTF-8",
            "accept": "application/vnd.twitchtv.v5+json; charset=UTF-8",
            "accept-encoding": "gzip, deflate, br"
        };
        const config = {
            url,
            headers,
            method
        };
        let response;
        try {
            response = await axios_1.default(config);
        }
        catch (error) {
            console.error(`[TWITCH] [GET-COMMENTS] request failed: ${error.message}`);
            if (error.response && error.response.data) {
                console.error("[TWITCH] [GET-COMMENTS] error response payload", error.response.data);
            }
            return {
                success: false,
                reason: error
            };
        }
        const payload = response.data;
        return {
            success: true,
            result: payload
        };
    }
    ;
}
exports.TwitchCommentDownloader = TwitchCommentDownloader;
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