Module: JsRegex::Target

Defined in:
lib/js_regex/target.rb

Constant Summary collapse

ES2009 = 
'ES2009'
ES2015 = 
'ES2015'
ES2018 = 
'ES2018'
SUPPORTED = 
[ES2009, ES2015, ES2018].freeze

Class Method Summary collapse

Class Method Details

.cast(arg) ⇒ Object 



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# File 'lib/js_regex/target.rb', line 8

def self.cast(arg)
  return ES2009 if arg.nil?

  normalized_arg = arg.to_s.upcase.sub(/^(ECMASCRIPT|ES|JAVASCRIPT|JS)? ?/, 'ES')
  return normalized_arg if SUPPORTED.include?(normalized_arg)

  raise ArgumentError.new(
    "Unknown target: #{arg.inspect}. Try one of #{SUPPORTED}."
  ).extend(JsRegex::Error)
end