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vendor/rails/activerecord/lib/active_record/i18n_interpolation_deprecation.rb

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# Deprecates the use of the former message interpolation syntax in activerecord

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# as in "must have %d characters". The new syntax uses explicit variable names

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# as in "{{value}} must have {{count}} characters".

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require 'i18n/backend/simple'

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module I18n

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  module Backend

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    class Simple

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      DEPRECATED_INTERPOLATORS = { '%d' => '{{count}}', '%s' => '{{value}}' }

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      protected

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        def interpolate_with_deprecated_syntax(locale, string, values = {})

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          return string unless string.is_a?(String) && !values.empty?

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          string = string.gsub(/%d|%s/) do |s|

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            instead = DEPRECATED_INTERPOLATORS[s]

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            ActiveSupport::Deprecation.warn "using #{s} in messages is deprecated; use #{instead} instead."

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            instead

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          end

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          interpolate_without_deprecated_syntax(locale, string, values)

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        end

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        alias_method_chain :interpolate, :deprecated_syntax

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    end

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  end

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end

 

 

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