@panyam/tsutils/lib/cjs/comms/bus.js

Some basic TS utils for personal use

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.EventBus = void 0;
const events_1 = require("events");
class EventBus extends events_1.EventEmitter {
    constructor() {
        super();
    }
    static getInstance() {
        if (!EventBus.instance) {
            EventBus.instance = new EventBus();
        }
        return EventBus.instance;
    }
    subscribe(eventName, callback) {
        this.on(eventName, callback);
    }
    unsubscribe(eventName, callback) {
        this.removeListener(eventName, callback);
    }
    publish(eventName, data) {
        this.emit(eventName, data);
    }
}
exports.EventBus = EventBus;
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