Calculating the frequency of events in a calendar

Question

JavaScript

Hello!

Please tell me if there are js libraries that allow solving such problems:
there is an event that starts for example on 01/03/2011,
it repeats every week on Tuesday/Wednesday/Saturday
, you need to get a set of dates when this event occurs during the time period from 02/01/20011 to 02/29/2011 (inclusive)

Or maybe there is a description of algorithms that allow you to work with recurring events. I think this problem has been solved many times. Unfortunately could not be found.

We need a functionality for managing the frequency of events, similar to the one that is, for example, in google or Yandex calendars.

Thank you.

Answer 1

maybe it will help habrahabr.ru/blogs/infosphere/120870/

Answer 2

Actually, the whole task comes down to determining the day of the week by date and passing through the interval FROM and TO. This is a rather trivial task.

Answer 3

The most convenient way is probably to make certain intervals, and for each make a separate function that returns the following date:
getNextWorkDay(date), getNextWeekDay(date), getNextFirstDayOfMonth(date), etc.
+ Simple tasks are much simpler than universal ones
+ It will be faster than a universal task
+ It is easier to maintain
- All gaps will need to be described separately