Method: DateAndTime::Calculations#days_to_week_start

Defined in:
activesupport/lib/active_support/core_ext/date_and_time/calculations.rb

#days_to_week_start(start_day = Date.beginning_of_week) ⇒ Object

Returns the number of days to the start of the week on the given day. Week is assumed to start on start_day, default is Date.beginning_of_week or config.beginning_of_week when set.



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# File 'activesupport/lib/active_support/core_ext/date_and_time/calculations.rb', line 258

def days_to_week_start(start_day = Date.beginning_of_week)
  start_day_number = DAYS_INTO_WEEK.fetch(start_day)
  (wday - start_day_number) % 7
end