Methods

Constants

RAILS_GEM_ROOT = File.expand_path("../../../..", __dir__) + "/"

Attributes

[RW] gem_name

Name of gem where method is deprecated
[RW] silenced

Whether to print a message (silent mode)

Instance Public methods

deprecation_warning(deprecated_method_name, message = nil, caller_backtrace = nil)

📝 Source code 
# File activesupport/lib/active_support/deprecation/reporting.rb, line 43
      def deprecation_warning(deprecated_method_name, message = nil, caller_backtrace = nil)
        caller_backtrace ||= caller_locations(2)
        deprecated_method_warning(deprecated_method_name, message).tap do |msg|
          warn(msg, caller_backtrace)
        end
      end
🔎 See on GitHub

silence()

Silence deprecation warnings within the block.

ActiveSupport::Deprecation.warn('something broke!')
# => "DEPRECATION WARNING: something broke! (called from your_code.rb:1)"

ActiveSupport::Deprecation.silence do
  ActiveSupport::Deprecation.warn('something broke!')
end
# => nil
📝 Source code 
# File activesupport/lib/active_support/deprecation/reporting.rb, line 36
      def silence
        old_silenced, @silenced = @silenced, true
        yield
      ensure
        @silenced = old_silenced
      end
🔎 See on GitHub

warn(message = nil, callstack = nil)

Outputs a deprecation warning to the output configured by ActiveSupport::Deprecation.behavior.

ActiveSupport::Deprecation.warn('something broke!')
# => "DEPRECATION WARNING: something broke! (called from your_code.rb:1)"
📝 Source code 
# File activesupport/lib/active_support/deprecation/reporting.rb, line 18
      def warn(message = nil, callstack = nil)
        return if silenced

        callstack ||= caller_locations(2)
        deprecation_message(callstack, message).tap do |m|
          behavior.each { |b| b.call(m, callstack, deprecation_horizon, gem_name) }
        end
      end
🔎 See on GitHub