Class: EacRubyUtils::Compact

Inherits:
Object
  • Object
show all
Defined in:
lib/eac_ruby_utils/compact.rb

Constant Summary collapse

ATTRIBUTE_SEPARATOR = 
'.'

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(object, attributes) ⇒ Compact

Returns a new instance of Compact.



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# File 'lib/eac_ruby_utils/compact.rb', line 9

def initialize(object, attributes)
  @object = object
  @attributes = attributes
end

Instance Attribute Details

#attributes ⇒ Object (readonly)

Returns the value of attribute attributes.



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# File 'lib/eac_ruby_utils/compact.rb', line 7

def attributes
  @attributes
end

#object ⇒ Object (readonly)

Returns the value of attribute object.



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# File 'lib/eac_ruby_utils/compact.rb', line 7

def object
  @object
end

Instance Method Details

#attribute_value(attr_path) ⇒ Object

Parameters:

  • attr_path (String, Symbol) —

    A path separated by ATTRIBUTE_SEPARATOR.

Returns:



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# File 'lib/eac_ruby_utils/compact.rb', line 16

def attribute_value(attr_path)
  attr_path.to_s.split(ATTRIBUTE_SEPARATOR).inject(object) do |a, e|
    a.send(e)
  end
end

#to_a ⇒ Array

Returns:

  • (Array) 


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# File 'lib/eac_ruby_utils/compact.rb', line 23

def to_a
  attributes.map { |attr| attribute_value(attr) }
end

#to_h ⇒ Hash

Returns:



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# File 'lib/eac_ruby_utils/compact.rb', line 28

def to_h
  attributes.to_h { |attr| [attr.to_sym, attribute_value(attr)] }
end