JSFiddle - React, Tailwind, and code Playground

HTML

<script src="//cdnjs.cloudflare.com/ajax/libs/underscore.js/1.6.0/underscore-min.js"></script>

JavaScript

var ValidPaths = {
		"green":{
			"url":"greenController.js",
			"lightgreen" :{
				"url":"lightGreenController.js",
				"floragreen":{
					"url":"floragreenController.js"
				}
			}
		}
	}
var path = ["green"].concat("lightgreen/floragreen".split('/'));
var finArr = [];  //should be [ {"label":"green","url":"greenController.js"}, {"label":"lightgreen","url":"lightGreenController.js"},{"label":"floragreen","url":"floragreenController.js"}]
var label = "";

_.each(path, function(str,key){
    label += '["'+str+'"]';
    finArr.push({label:label,url:ValidPaths[label].url});
});

console.log(finArr);