cScarlson

class Handler {
    respond(e: CustomEvent): any {
        return e.detail;  // continue and provide same value (see Function Purity)
    }
}

/**
 * @name: The Chain of Responsibility Pattern
 * @intention

cScarlson

    clear();
    
    /**
     * @param : source := EventTarget
     *  *   EventTarget.prototype
     *  *   Node (Element, Attr, etc)
     * @usage : [Node].addEventListener('*', ({ detail: e }) => {...}, false);
     */
    function proxyEventTargetSource(source) {
        var emit = source.dispatchEvent;  // obtain reference

cScarlson

clear();

var http = {
	get(url) {
        var delay = Math.floor( Math.random() * 10 ), even = !(delay % 2);
        var xhr = new Promise(exe);
		
		console.log(`REQUEST`, url, delay);
		xhr.then( (data) => console.log(`SUCCESS: `, data) ).catch( (data) => console.log(`FAILURE: `, data) );