telebot/dist/telebot/events.js

The easy way to write Telegram bots.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const utils_1 = require("../utils");
class TeleBotEvents {
    constructor() {
        this.events = new Map();
    }
    on(event, processor) {
        const events = utils_1.convertToArray(event);
        events.forEach((key) => {
            const eventHandler = this.events.get(key);
            if (eventHandler) {
                eventHandler.processors.add(processor);
            }
            else {
                this.events.set(key, {
                    processors: new Set([processor])
                });
            }
        });
        return processor;
    }
    dispatch(event, data) {
        return this._dispatch("", event, data);
    }
    off(processor) {
        return undefined;
    }
    _dispatch(storageId, events, data, context) {
        const storage = this.events;
        const promises = [];
        events = utils_1.convertToArray(events);
        events.forEach((name) => {
            const handler = storage.get(name);
            if (handler) {
                for (const processor of handler.processors) {
                    promises.push(new Promise((resolve, reject) => {
                        const result = processor.call(this, data, Object.assign({ unsubscribe: this.off.bind(this, processor) }, context));
                        if (result instanceof Promise) {
                            result.then(resolve).catch(reject);
                        }
                        else {
                            resolve(result);
                        }
                    }));
                }
            }
        });
        return Promise.all(promises);
    }
}
exports.TeleBotEvents = TeleBotEvents;