Class: Strict::Attribute

Inherits:
Declaration show all
Defined in:
lib/strict/attribute.rb

Constant Summary

Constants inherited from Declaration

Declaration::NOT_PROVIDED

Instance Attribute Summary collapse

Attributes inherited from Declaration

#coercer, #default_generator, #name, #validator

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Declaration

make, #optional?, #valid?, #violations

Constructor Details

#initialize(name:, validator:, default_generator:, coercer:) ⇒ Attribute

Returns a new instance of Attribute.



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# File 'lib/strict/attribute.rb', line 19

def initialize(name:, validator:, default_generator:, coercer:)
  super
  @instance_variable = self.class.instance_variable_for(self.name)
end

Instance Attribute Details

#instance_variable ⇒ Object (readonly)

Returns the value of attribute instance_variable.



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# File 'lib/strict/attribute.rb', line 17

def instance_variable
  @instance_variable
end

Class Method Details

.instance_variable_for(name) ⇒ Object 



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# File 'lib/strict/attribute.rb', line 6

def instance_variable_for(name)
  "@#{name.to_s.delete_suffix('?').delete_suffix('!')}"
end

Instance Method Details

#coerce(value, for_class:) ⇒ Object 



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# File 'lib/strict/attribute.rb', line 24

def coerce(value, for_class:)
  return value unless coercer

  case coercer
  when Symbol
    for_class.public_send(coercer, value)
  when true
    for_class.public_send("coerce_#{name}", value)
  else
    coercer.call(value)
  end
end