Me Playing with step.js

stepExample.js

var step = require("step");
var color = require("colors");

/*
* A fake task which prints the message sent.
* It take upto 2 seconds to do the print.
* After printing it will call the callback.
*/
var task = function(msg,cb){
	console.info(("starting task - " + msg).green);
	setTimeout(function(){
		console.info(("finished task - " + msg).blue);
		console.info(("--").red);
		cb();
	},Math.ceil(Math.random()*3000));
}

step(
	function step1(){
		task(" step1",this);
	},

	function step2(){
		task(" step2",this);
	},

	function step3(){
		task(" step3",this);
	},

	function step4(){
		task(" step4",this);
	},

	function step5(){
		task(" step5",this);
	},

	/*
	* Parllel tasks all run together
	* The next step is NOT executed 
	* till all of the parllel tasks finish
	*/
	function step678(){
		task(" step6",this.parallel());
		task(" step7",this.parallel());
		task(" step8",this.parallel());
	},

	function step9(){
		task(" step9",this);
	},

	function step10(){
		task(" step10",this);
	},

	function step11(){
		task(" step11",this);
	},

	/*
	* Tasks of a group run immidiately
	* they dont wait on each other
	* Also the next step is also instantly executed
	* The next step does not wait for the group
	* tasks to finish
	*/
	function step121314(){
		var group = this.group();
		task(" step12",group);
		task(" step13",group);
		task(" step14",group);
	},

	function step15(){
		task(" step15",this);
	},

	function step16(){
		task(" step16",this);
	}
);