Module: ENVied::Configurable::ClassMethods

Defined in:
lib/envied.rb

Instance Method Summary collapse

Instance Method Details

#default_if?(cond, value = nil, &block) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/envied.rb', line 65

def default_if?(cond, value = nil, &block)
  options = { default: (value || block) }
  cond ? options : Hash.new
end

#default_unless?(cond, value = nil, &block) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/envied.rb', line 70

def default_unless?(cond, value = nil, &block)
  default_if?(!cond, value, &block)
end

#parse_env(env) ⇒ Object

Creates a configuration instance from env.

Will raise VariableMissingError for variables not present in ENV.

Will raise VariableTypeError for variables whose ENV-value can’t be coerced to the configured type.

Parameters:

  • env (Hash) —

    the env



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# File 'lib/envied.rb', line 45

def parse_env(env)
  atts = attribute_set.map(&:name).each_with_object({}) do |name, result|
    variable = attribute_set[name]
    default = variable.options[:default]
    value = env[name.to_s] || env[name.to_s.upcase]
    if !(value || default)
      raise VariableMissingError, variable
    end

    try_coercion(variable, value, default)
    result[name] = value if value
  end

  new(atts)
end

#variable(name, type = :String, options = {}) ⇒ Object 



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# File 'lib/envied.rb', line 61

def variable(name, type = :String, options = {})
  attribute name, type, { strict: true }.merge(options)
end