number_to_currency em javascript

number_to_currency.js

Helper = {

	config: {
		locale: "pt-BR"
	},

	init: function(){

	},

	number_to_currency: function(num) {
		if(Helper.config.locale == "pt-BR"){
		    var p = num.toFixed(2).split(".");
		    return "R$ " + p[0].split("").reverse().reduce(function(acc, num, i, orig) {
		        return  num + (i && !(i % 3) ? "." : "") + acc;
		    }, "") + "," + p[1];
		}

		if(Helper.config.locale == "en"){
		    var p = num.toFixed(2).split(".");
		    return "$ " + p[0].split("").reverse().reduce(function(acc, num, i, orig) {
		        return  num + (i && !(i % 3) ? "," : "") + acc;
		    }, "") + "." + p[1];
		}
	}
}

window.Helper = Helper

$(document).on('ready page:load', function(){
	window.Helper.init()
});