add day of week

2022-12-13 19:37:51 +08:00 · 2022-12-13 19:37:51 +08:00 · 4ea575ecf2
commit 4ea575ecf2
parent a8f7de6042
1 changed files with 8 additions and 0 deletions
--- a/typed.go
+++ b/typed.go
@ -77,3 +77,11 @@ func WithStaticDate(t time.Time) TimerOptions {
 		option.date = t
 	}
 }
+
+func NextDayOfWeek(date time.Time, weekDay int) time.Time {
+	sub := weekDay - int(date.Weekday())
+	if sub <= 0 {
+		sub += 7
+	}
+	return date.Add(time.Hour * 24 * time.Duration(sub))
+}