INITIAL_COMMIT

lib/util.dart

@@ -0,0 +1,18 @@
+String formatDuration(Duration duration) {
+  final days = duration.inDays;
+  final hours = duration.inHours.remainder(24);
+  final minutes = duration.inMinutes.remainder(60);
+  final seconds = duration.inSeconds.remainder(60);
+
+  String plural(int thing) => thing == 1 ? '' : 's';
+
+  if (days > 0) {
+    return '$days day${plural(days)}, $hours hour${plural(hours)}';
+  } else if (hours > 0) {
+    return '$hours hour${plural(hours)}, $minutes minute${plural(minutes)}';
+  } else if (minutes > 0) {
+    return '$minutes minute${plural(minutes)}, $seconds second${plural(seconds)}';
+  } else {
+    return '$seconds second${plural(seconds)}';
+  }
+}