Module: Constfig::Config

Defined in:
lib/constfig/config.rb

Instance Method Summary collapse

Instance Method Details

#define_config(name, default = (no_default = true;nil)) ⇒ Object 



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# File 'lib/constfig/config.rb', line 5

def define_config name, default = (no_default = true;nil)
  return if Object.const_defined?(name)

  has_default_value = !no_default # && default.class != Class

  if value = ENV[name.to_s]
    if has_default_value
      type = default.is_a?(Class) ? default.name : default.class.name
      value = convert_to_type value, type
    end
  else
    raise RuntimeError, "missing config #{name}, and no default was provided" unless has_default_value
    value = default
  end

  Object.const_set name, value
end