Class: Object

Inherits:

BasicObject

Defined in:

lib/webrat/core_extensions/blank.rb,
lib/webrat/core_extensions/meta_class.rb

Overview

:nodoc:

Instance Method Summary

• #blank? ⇒ Boolean

  An object is blank if it’s false, empty, or a whitespace string.

• #meta_class ⇒ Object
• #present? ⇒ Boolean

  An object is present if it’s not blank.

Instance Method Details

#blank? ⇒ Boolean

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?

Returns:

• (Boolean)

# File 'lib/webrat/core_extensions/blank.rb', line 12

def blank?
  respond_to?(:empty?) ? empty? : !self
end

#meta_class ⇒ Object

# File 'lib/webrat/core_extensions/meta_class.rb', line 2

def meta_class
  class << self; self end
end

#present? ⇒ Boolean

An object is present if it’s not blank.

Returns:

• (Boolean)

# File 'lib/webrat/core_extensions/blank.rb', line 17

def present?
  !blank?
end