Method: Pod::Specification::Consumer#merge_values

Defined in:
lib/cocoapods-core/specification/consumer.rb

#merge_values(attr, existing_value, new_value) ⇒ String, ...

Merges the values of an attribute, either because the attribute is multi platform or because it is inherited.

Parameters:

  • attr (Specification::DSL::Attribute) —

    the attribute for which that value is needed.

  • existing_value (String, Array, Hash) —

    the current value (the value of the parent or non-multiplatform value).

  • new_value (String, Array, Hash) —

    the value to append (the value of the spec or the multi-platform value).

Returns:

  • (String, Array, Hash) —

    The merged value.



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# File 'lib/cocoapods-core/specification/consumer.rb', line 319

def merge_values(attr, existing_value, new_value)
  return existing_value if new_value.nil?
  return new_value if existing_value.nil?

  if attr.types.include?(TrueClass)
    new_value.nil? ? existing_value : new_value
  elsif attr.container == Array
    r = [*existing_value] + [*new_value]
    r.compact
  elsif attr.container == Hash
    existing_value.merge(new_value) do |_, old, new|
      merge_hash_value(attr, old, new)
    end
  else
    new_value
  end
end