Class: Duffel

Inherits:
Object
  • Object
show all
Defined in:
lib/duffel.rb

Constant Summary collapse

VERSION = 
"0.0.1"

Class Method Summary collapse

Class Method Details

.method_missing(method, *args, &block) ⇒ Object 



4
5
6
7
8
9
10
11
12
13
14
15
16
17
 
# File 'lib/duffel.rb', line 4

def self.method_missing(method, *args, &block)
  fetch_default = lambda do |key|
    raise KeyError.new("key not found: #{key}")
  end

  define_singleton_method(method) do |options=(args.first || {})|
    return_value = options.fetch(:fallback, fetch_default)
    fallback = return_value.is_a?(Proc) ? return_value : lambda { |key| return_value }

    env_name = method.to_s.upcase
    ENV.fetch(env_name, &fallback)
  end
  self.send(method)
end