typescript-telegram-bot-api/dist/polling.js

Telegram Bot API wrapper for Node.js written in TypeScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Polling = void 0;
const types_1 = require("./types/");
const errors_1 = require("./errors");
class Polling {
    constructor(telegramBot) {
        this.telegramBot = telegramBot;
        this.abortController = new AbortController();
        this.offset = 0;
    }
    emitMessage(message) {
        types_1.messageTypes.forEach((key) => {
            if (key in message) {
                this.telegramBot.emit(`message:${key}`, message);
            }
        });
    }
    emitUpdate(update) {
        Object.keys(update).forEach((key) => {
            if (key !== 'update_id') {
                const eventType = key;
                const eventData = update[eventType];
                if (eventData !== undefined) {
                    this.telegramBot.emit(eventType, eventData);
                    if (eventType === 'message') {
                        this.emitMessage(eventData);
                    }
                }
            }
        });
    }
    async poll() {
        while (!this.abortController.signal.aborted) {
            try {
                const updates = await this.telegramBot.getUpdates({
                    offset: this.offset,
                    allowed_updates: this.telegramBot.allowedUpdates,
                    timeout: this.telegramBot.pollingTimeout,
                }, this.abortController);
                for (const update of updates) {
                    this.emitUpdate(update);
                    this.offset = update.update_id + 1;
                }
            }
            catch (error) {
                if (error instanceof errors_1.TelegramError) {
                    if (error.response.error_code === 409) {
                        /* eslint-disable no-console */
                        console.warn(error.message);
                        /* eslint-enable no-console */
                    }
                }
            }
        }
    }
    async start() {
        this.poll().catch();
    }
    async stop() {
        this.abortController.abort();
    }
}
exports.Polling = Polling;