instance method `prev_occurring`

Ruby on Rails 5.2.8.1

Since v5.2.8.1

Available in: v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

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prev_occurring(day_of_week)

Returns a new date/time representing the previous occurrence of the specified day of week.

today = Date.today               # => Thu, 14 Dec 2017
today.prev_occurring(:monday)    # => Mon, 11 Dec 2017
today.prev_occurring(:thursday)  # => Thu, 07 Dec 2017

Parameters

day_of_week req

Source

# File activesupport/lib/active_support/core_ext/date_and_time/calculations.rb, line 350
    def prev_occurring(day_of_week)
      current_day_number = wday != 0 ? wday - 1 : 6
      ago = current_day_number - DAYS_INTO_WEEK.fetch(day_of_week)
      ago += 7 unless ago > 0
      advance(days: -ago)
    end

Defined in activesupport/lib/active_support/core_ext/date_and_time/calculations.rb line 350 · View on GitHub · Improve this page · Find usages on GitHub

Defined in DateAndTime::Calculations

Signature

Parameters