Handlebars.js: prettyDate helper #cc #handlebars

handlebars.prettyDate.js

Handlebars.registerHelper("prettyDate", function (time) {
	var date = new Date((time || "")),
		diff = (((new Date()).getTime() - date.getTime()) / 1000),
		day_diff = Math.floor(diff / 86400);

	// exit now if not a number...
	if ( isNaN(day_diff)) return;

	if ( day_diff < 0 ){
		// this is in the future...
		return day_diff == 0 && (
				diff > -60 && "momentarily" ||
				diff > -120 && "in 1 minute" ||
				diff > -3600 && "in "+ Math.floor( diff / -60 ) + " minutes" ||
				diff > -7200 && "in 1 hour" ||
				diff > -86400 && "in "+ Math.floor( diff / -3600 ) + " hours") ||
			day_diff == -1 && "Tomorrow" ||
			day_diff > -7 && "in "+ (-1*day_diff) + " days" ||
			day_diff > -8 && "in a "+ Math.ceil( day_diff / -7 ) + " week" ||
			day_diff > -31 && "in "+ Math.ceil( day_diff / -7 ) + " weeks" ||
			day_diff > -40 && "in about a month" ||
			"in "+ Math.ceil( day_diff / -30 ) + " months";
	} else {
		// this is in the past...
		return day_diff == 0 && (
				diff < 60 && "just now" ||
				diff < 120 && "1 minute ago" ||
				diff < 3600 && Math.floor( diff / 60 ) + " minutes ago" ||
				diff < 7200 && "1 hour ago" ||
				diff < 86400 && Math.floor( diff / 3600 ) + " hours ago") ||
			day_diff == 1 && "Yesterday" ||
			day_diff < 7 && day_diff + " days ago" ||
			day_diff < 8 && Math.ceil( day_diff / 7 ) + " week ago" ||
			day_diff < 31 && Math.ceil( day_diff / 7 ) + " weeks ago" ||
			day_diff < 40 && Math.ceil( day_diff / 30 ) + " month ago" ||
			Math.ceil( day_diff / 30 ) + " months ago";
	}
});

Look into this lib:
https://github.com/philbooth/vagueTime.js