Contents

class Hash
  # Return a new hash with all keys converted to strings.
  def stringify_keys
    inject({}) do |options, (key, value)|
      options[key.to_s] = value
      options
    end
  end

  # Destructively convert all keys to strings.
  def stringify_keys!
    keys.each do |key|
      self[key.to_s] = delete(key)
    end
    self
  end
end

class Object
  # An object is blank if it's false, empty, or a whitespace string.
  # For example, "", "   ", +nil+, [], and {} are blank.
  #
  # This simplifies
  #
  #   if !address.nil? && !address.empty?
  #
  # to
  #
  #   if !address.blank?
  def blank?
    respond_to?(:empty?) ? empty? : !self
  end
    
  # An object is present if it's not blank.
  def present?
    !blank?
  end
end

class NilClass #:nodoc:
  def blank?
    true
  end
end

class FalseClass #:nodoc:
  def blank?
    true
  end
end

class TrueClass #:nodoc:
  def blank?
    false
  end
end

class Array #:nodoc:
  alias_method :blank?, :empty?
end

class Hash #:nodoc:
  alias_method :blank?, :empty?
end

class String #:nodoc:
  def blank?
    self !~ /\S/
  end
end

class Numeric #:nodoc:
  def blank?
    false
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
payone_connect-0.1.2	lib/payone_connect/core_ext.rb
payone_connect-0.1.1	lib/payone_connect/core_ext.rb
payone_connect-0.1.0	lib/core_ext.rb