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Merge pull request #33184 from bogdanvlviv/document-year_format-option-of-date_select 

Add to docs mention about `:year_format` option of date select
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Prem Sichanugrist 2018-06-22 08:50:06 +09:00 committed by GitHub
parent 4dd1eb27ef 04f9b8fe07
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actionview/lib/action_view/helpers/date_helper.rb
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@ -205,6 +205,7 @@ module ActionView
# * <tt>:end_year</tt> - Set the end year for the year select. Default is <tt>Date.today.year + 5</tt> if
# you are creating new record. While editing existing record, <tt>:end_year</tt> defaults to
# the current selected year plus 5.
# * <tt>:year_format</tt> - Set format of years for year select. Lambda should be passed.
# * <tt>:discard_day</tt> - Set to true if you don't want to show a day select. This includes the day
# as a hidden field instead of showing a select field. Also note that this implicitly sets the day to be the
# first of the given month in order to not create invalid dates like 31 February.
@ -275,6 +276,9 @@ module ActionView
# # Generates a date select with custom prompts.
# date_select("article", "written_on", prompt: { day: 'Select day', month: 'Select month', year: 'Select year' })
#
# # Generates a date select with custom year format.
# date_select("article", "written_on", year_format: ->(year) { "Heisei #{year - 1988}" })
#
# The selects are prepared for multi-parameter assignment to an Active Record object.
#
# Note: If the day is not included as an option but the month is, the day will be set to the 1st to ensure that