Module: Lambda::MicroVMs::Util

Defined in:
lib/lambda/microvms/util.rb

Overview

Internal helpers shared by resource objects.

Class Method Summary collapse

Class Method Details

.extract(value, *keys) ⇒ Object?

Extract the first non-nil value from an object method or hash-like key.

Parameters:

  • value (Object) —

    response object, hash, or SDK structure

  • keys (Array<Symbol,String>) —

    candidate method or key names

Returns:

  • (Object, nil) —

    the first extracted non-nil value



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# File 'lib/lambda/microvms/util.rb', line 14

def extract(value, *keys)
  keys.each do |key|
    if value.respond_to?(key)
      result = value.public_send(key)
      return result unless result.nil?
    end

    next unless value.respond_to?(:[])

    begin
      result = value[key]
      return result unless result.nil?
    rescue KeyError, TypeError
      nil
    end
  end

  nil
end

.normalize_state(value) ⇒ Symbol

Normalize a provider state value into a lowercase symbol.

Parameters:

  • value (Object) —

    state-like value

Returns:

  • (Symbol) —

    normalized state



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# File 'lib/lambda/microvms/util.rb', line 38

def normalize_state(value)
  value.to_s.downcase.to_sym
end