Class: Dry::Core::ClassBuilder

Inherits:
Object
  • Object
show all
Defined in:
lib/dry/core/class_builder.rb

Overview

Class for generating more classes

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name:, parent: Object) ⇒ ClassBuilder

Returns a new instance of ClassBuilder.



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# File 'lib/dry/core/class_builder.rb', line 8

def initialize(name:, parent: Object)
  @name = name
  @parent = parent
end

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/dry/core/class_builder.rb', line 5

def name
  @name
end

#parent ⇒ Object (readonly)

Returns the value of attribute parent.



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# File 'lib/dry/core/class_builder.rb', line 6

def parent
  @parent
end

Instance Method Details

#call {|klass| ... } ⇒ Class

Generate a class based on options

Examples:

builder = Dry::Core::ClassBuilder.new(name: 'MyClass')

klass = builder.call
klass.name # => "MyClass"

Yields:

  • (klass)

Returns:

  • (Class) 


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# File 'lib/dry/core/class_builder.rb', line 22

def call
  klass = Class.new(parent)
  name = self.name

  klass.singleton_class.class_eval do
    define_method(:name) { name }
    alias_method :inspect, :name
    alias_method :to_s, :name
  end

  yield(klass) if block_given?

  klass
end