Module: DateAndTime::Calculations

Defined in:
lib/mumuki/laboratory/extensions/date_and_time.rb

Instance Method Summary collapse

Instance Method Details

#prev_occurring(day_of_week) ⇒ Object

Polyfill, already implemented on Rails 5.2 api.rubyonrails.org/classes/DateAndTime/Calculations.html#method-i-prev_occurring



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# File 'lib/mumuki/laboratory/extensions/date_and_time.rb', line 5

def prev_occurring(day_of_week)
  ago = wday - DAYS_INTO_WEEK.fetch(day_of_week)
  ago += 7 unless ago > 0
  advance(days: -ago)
end