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Contents
module Mina
class Configuration
include Singleton
include Helpers::Internal
module DSL
def self.included(base)
[:set, :fetch, :remove, :set?, :ensure!, :reset!].each do |method|
base.send :define_method, method do |*args, &block|
Configuration.instance.send(method, *args, &block)
end
end
end
end
attr_reader :variables
def initialize
@variables ||= {}
end
def set(key, value = nil, &block)
variables[key] = block || value
end
def fetch(key, default = nil)
value = ENV[key.to_s] || variables.fetch(key, default)
value.respond_to?(:call) ? value.call : value
end
def remove(key)
variables.delete(key)
end
def set?(key)
ENV.has_key?(key.to_s) || !variables.fetch(key, nil).nil?
end
def ensure!(key, message: nil)
return if set?(key)
message ||= "#{key} must be defined!"
error! message
end
def reset!
@variables = {}
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems