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# Deprecates the use of the former message interpolation syntax in activerecord
# as in "must have %d characters". The new syntax uses explicit variable names
# as in "{{value}} must have {{count}} characters".
require 'i18n/backend/simple'
module I18n
module Backend
class Simple
DEPRECATED_INTERPOLATORS = { '%d' => '{{count}}', '%s' => '{{value}}' }
protected
def interpolate_with_deprecated_syntax(locale, string, values = {})
return string unless string.is_a?(String) && !values.empty?
string = string.gsub(/%d|%s/) do |s|
instead = DEPRECATED_INTERPOLATORS[s]
ActiveSupport::Deprecation.warn "using #{s} in messages is deprecated; use #{instead} instead."
instead
end
interpolate_without_deprecated_syntax(locale, string, values)
end
alias_method_chain :interpolate, :deprecated_syntax
end
end
end
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