Progress bar for node that will use the whole width of the output buffer by default.

pprogress.js

var ProgressBar = require('progress');

/*
	`events` are for higher levels to call, `ticks` are progress bar marks.
	an `event` can be a downloaded chunck of a file or an archived copied.
*/
var event2tickRatio, currentTickCount = 0, ticksMarked = 0;

// progress bar that occupies whole buffer window.
var pB = new ProgressBar(':bar', { total: process.stdout.columns });

module.exports =  {
	'setTicks': function(nTicks){
		event2tickRatio = process.stdout.columns /  nTicks;
	},
	'tick': function(){
		currentTickCount++;
		if(currentTickCount == event2tickRatio){
			currentTickCount = 0;

			ticksMarked++;
			pB.tick();
		}
	},
	'ticksMarked': ticksMarked
}