http-proxy re-write

gistfile1.js

                var gear;
    		var starts_with_slash;

    		//Get if the request starts with a slash
    		req.url.substring(0, 1) === '/' ? starts_with_slash = true : starts_with_slash = false;
    			
    		//Request starts with slash	
    		if(starts_with_slash) {
    			//The position of the second slash, since the first slash is at index 0
    			var end = req.url.indexOf('/', 1);

    			end === -1 ? gear = req.url.substring(1) : gear = req.url.substring(1, end);
    		}
    		//Request does not start with a slash
    		else {
    			//The position of the first slash
    			var end = req.url.indexOf('/', 0);

    			end === -1 ? gear = req.url.substring(0) : gear = req.url.substring(0, end);
    		}
    		
                //O(1) lookup in hash routes
    		var route = routes[gear];

    		if(typeof route === "object") {
    			//Rewrite magic for express
    			if(starts_with_slash) {
    				req.url = req.url.replace('/' + route.gear, '');	
    			} else {
    				req.url = req.url.replace(route.gear, '');
    			}

    			proxy.proxyRequest(req, res, {
    				host: route.host, 
    				port: route.port
    			});
    		}