Module: BubbleWrap::Deprecated

Included in:
App
Defined in:
motion/util/deprecated.rb

Defined Under Namespace

Classes: DeprecatedError

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'motion/util/deprecated.rb', line 38

def self.included(base)
  base.extend(self)
end

Instance Method Details

#deprecated(method_sym, version) ⇒ Object 



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# File 'motion/util/deprecated.rb', line 6

def deprecated(method_sym, version)
  unless method_sym.kind_of?(Symbol)
    raise ArgumentError, "deprecated() requires symbols for its first argument."
  end

  scope = nil
  alias_scope = nil
  if self.methods.include?(method_sym)
    scope = :define_singleton_method
    alias_scope = (class << self; self end)
  elsif self.instance_methods.include?(method_sym)
    scope = :define_method
    alias_scope = self
  else
    raise ArgumentError, "Method not found for deprecated() - #{method_sym}"
  end


  send(scope, "#{method_sym}_with_deprecation", ->(*args, &block) {
    fail = BubbleWrap.version.to_s >= version.to_s
    if fail
      raise DeprecatedError, "#{method_sym} was deprecated and removed in BubbleWrap #{version}"
    else
      NSLog "#{method_sym} is deprecated -- it will be removed in BubbleWrap #{version}"
      send("#{method_sym}_without_deprecation", *args, &block)
    end
  })

  alias_scope.send(:alias_method, "#{method_sym}_without_deprecation", method_sym)
  alias_scope.send(:alias_method, method_sym, "#{method_sym}_with_deprecation")
end