Class: Object

Inherits:
BasicObject
Defined in:
lib/dynamic_assets/core_extensions.rb

Instance Method Summary collapse

Instance Method Details

#if_present(*value) ⇒ Object

Raises:

  • (ArgumentError) 


16
17
18
19
20
21
22
23
24
25
26
27
 
# File 'lib/dynamic_assets/core_extensions.rb', line 16

def if_present(*value)
  raise ArgumentError, "Specify either a value or a block but not both" if value.empty? != block_given?
  raise ArgumentError, "Too many arguments. Expected one." if value.length > 1

  if !self.present?
    self
  elsif block_given?
    yield self
  else
    value.first
  end
end