module JsRegex::Target
Constants
- ES2009
- ES2015
- ES2018
- SUPPORTED
Public Class Methods
Source
# 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