4.0.0 Beta 1

src/utilities/time.js

@@ -0,0 +1,24 @@
+'use strict';
+
+export function duration_to_string(elapsed, separate_days, days_only, no_hours, no_seconds) {
+	const seconds = elapsed % 60;
+	let minutes = Math.floor(elapsed / 60),
+		hours = Math.floor(minutes / 60),
+		days = '';
+
+	minutes = minutes % 60;
+
+	if ( separate_days ) {
+		days = Math.floor(hours / 24);
+		hours = hours % 24;
+		if ( days_only && days > 0 )
+			return `${days} days`;
+
+		days = days > 0 ? `${days} days, ` : '';
+	}
+
+	return `${days}${
+		(!no_hours || days || hours) ? `${days && hours < 10 ? '0' : ''}${hours}:` : ''
+	}${minutes < 10 ? '0' : ''}${minutes}${
+		no_seconds ? '' : `:${seconds < 10 ? '0' : ''}${seconds}`}`;
+}