monex/dist/interactive/events.js

Execute one or multiple scripts, interactively or in daemon mode, and restart them whenever they crash or a watched file changes.

/* IMPORT */
/* MAIN */
class Events {
    constructor() {
        /* VARIABLES */
        this.listeners = {};
        /* API */
        this.emit = (event) => {
            const listeners = this.get(event);
            for (let i = 0, l = listeners.length; i < l; i++) {
                listeners[i]();
            }
        };
        this.get = (event) => {
            return this.listeners[event] || (this.listeners[event] = []);
        };
        this.on = (event, listener) => {
            const listeners = this.get(event);
            if (listeners.includes(listener))
                return () => { };
            listeners.push(listener);
            return () => {
                listeners.splice(listeners.indexOf(listener), 1);
            };
        };
    }
}
/* EXPORT */
export default Events;