Module: Hashie::Extensions::Coercion::InstanceMethods

Defined in:
lib/hashie/extensions/coercion.rb

Instance Method Summary collapse

Instance Method Details

#custom_writer(key, value, _convert = true) ⇒ Object 



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# File 'lib/hashie/extensions/coercion.rb', line 77

def custom_writer(key, value, _convert = true)
  self[key] = value
end

#replace(other_hash) ⇒ Object 



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# File 'lib/hashie/extensions/coercion.rb', line 81

def replace(other_hash)
  (keys - other_hash.keys).each { |key| delete(key) }
  other_hash.each { |key, value| self[key] = value }
  self
end

#set_value_with_coercion(key, value) ⇒ Object 



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# File 'lib/hashie/extensions/coercion.rb', line 29

def set_value_with_coercion(key, value)
  into = self.class.key_coercion(key) || self.class.value_coercion(value)

  return set_value_without_coercion(key, value) if value.nil? || into.nil?

  begin
    return set_value_without_coercion(key, coerce_or_init(into).call(value)) unless into.is_a?(Enumerable)

    if into.class <= ::Hash
      key_coerce = coerce_or_init(into.flatten[0])
      value_coerce = coerce_or_init(into.flatten[-1])
      value = into.class[value.map { |k, v| [key_coerce.call(k), value_coerce.call(v)] }]
    else # Enumerable but not Hash: Array, Set
      value_coerce = coerce_or_init(into.first)
      value = into.class.new(value.map { |v| value_coerce.call(v) })
    end
  rescue NoMethodError, TypeError => e
    raise CoercionError, "Cannot coerce property #{key.inspect} from #{value.class} to #{into}: #{e.message}"
  end

  set_value_without_coercion(key, value)
end