Module: T::Props::Constructor

Includes:
WeakConstructor
Included in:
InexactStruct
Defined in:
lib/types/props/constructor.rb

Overview

typed: false

Constant Summary

Constants included from Helpers

Helpers::Private

Instance Method Summary collapse

Methods included from Helpers

#abstract!, #interface!, #mixes_in_class_methods

Instance Method Details

#initialize(hash = {}) ⇒ Object 



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# File 'lib/types/props/constructor.rb', line 7

def initialize(hash={})
  decorator = self.class.decorator

  decorator.props.each do |prop, rules|
    # It's important to explicitly compare against `true` here; the value can also be :existing or
    # :on_load (which are truthy) but we don't want to treat those as optional in this context.
    if T::Utils::Props.required_prop?(rules) && !decorator.has_default?(rules) && !hash.key?(prop)
      raise ArgumentError.new("Missing required prop `#{prop}` for class `#{self.class}`")
    end
  end

  super
end