Class: Wings::EnumerableMapper

Inherits:
Valkyrie::ValueMapper
  • Object
show all
Defined in:
lib/wings/transformer_value_mapper.rb

Overview

Note:

a common value type this mapper handles is ‘ActiveTriples::Relation`

Maps enumerable values (e.g. Array, Enumerable, Hash, etc…) by calling the parent ‘ValueMapper` on each member.

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.handles?(value) ⇒ Boolean

Parameters:

  • value (Object)

Returns:

  • (Boolean) 


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# File 'lib/wings/transformer_value_mapper.rb', line 72

def self.handles?(value)
  value.is_a?(Enumerable)
end

Instance Method Details

#result ⇒ Enumerable<Object>

Returns:

  • (Enumerable<Object>) 


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# File 'lib/wings/transformer_value_mapper.rb', line 78

def result
  return calling_mapper.for(value.first).result if value.length < 2
  value.map { |v| calling_mapper.for(v).result }
end