@skyway-sdk/analytics-client/dist/utils/event.js

The official Next Generation JavaScript SDK for SkyWay

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Event = void 0;
class Event {
    constructor() {
        this._listeners = new Map();
        this._listenerIndex = 0;
        this.emit = (arg) => {
            this._listeners.forEach((listener) => listener(arg));
        };
        this.removeAllListeners = () => {
            this._listeners.clear();
        };
        this.addListener = (listener) => {
            const id = this._listenerIndex;
            this._listeners.set(id, listener);
            this._listenerIndex++;
            const removeListener = () => {
                this._listeners.delete(id);
            };
            return { removeListener };
        };
        this.addOneTimeListener = (listener) => {
            const off = this.addListener((arg) => {
                off.removeListener();
                listener(arg);
            });
            return off;
        };
        this.asPromise = (timeLimit) => new Promise((resolve, reject) => {
            let removeListener = () => { };
            const timeout = timeLimit &&
                setTimeout(() => {
                    reject('Event asPromise timeout');
                    removeListener();
                }, timeLimit);
            const off = this.addOneTimeListener((arg) => {
                if (timeout)
                    clearTimeout(timeout);
                resolve(arg);
            });
            removeListener = off.removeListener;
        });
    }
}
exports.Event = Event;
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