JezK
Edit File: runtimes.rb
require "execjs/module" require "execjs/disabled_runtime" require "execjs/duktape_runtime" require "execjs/external_runtime" require "execjs/ruby_rhino_runtime" require "execjs/mini_racer_runtime" module ExecJS module Runtimes Disabled = DisabledRuntime.new Duktape = DuktapeRuntime.new RubyRhino = RubyRhinoRuntime.new MiniRacer = MiniRacerRuntime.new Node = ExternalRuntime.new( name: "Node.js (V8)", command: ["node", "nodejs"], runner_path: ExecJS.root + "/support/node_runner.js", encoding: 'UTF-8' ) JavaScriptCore = ExternalRuntime.new( name: "JavaScriptCore", command: [ "/System/Library/Frameworks/JavaScriptCore.framework/Versions/Current/Helpers/jsc", "/System/Library/Frameworks/JavaScriptCore.framework/Versions/A/Resources/jsc", ], runner_path: ExecJS.root + "/support/jsc_runner.js" ) SpiderMonkey = Spidermonkey = ExternalRuntime.new( name: "SpiderMonkey", command: "js", runner_path: ExecJS.root + "/support/spidermonkey_runner.js", deprecated: true ) JScript = ExternalRuntime.new( name: "JScript", command: "cscript //E:jscript //Nologo //U", runner_path: ExecJS.root + "/support/jscript_runner.js", encoding: 'UTF-16LE' # CScript with //U returns UTF-16LE ) V8 = ExternalRuntime.new( name: "V8", command: "d8", runner_path: ExecJS.root + "/support/v8_runner.js", encoding: 'UTF-8' ) def self.autodetect from_environment || best_available || raise(RuntimeUnavailable, "Could not find a JavaScript runtime. " + "See https://github.com/rails/execjs for a list of available runtimes.") end def self.best_available runtimes.reject(&:deprecated?).find(&:available?) end def self.from_environment env = ENV["EXECJS_RUNTIME"] if env && !env.empty? name = env raise RuntimeUnavailable, "#{name} runtime is not defined" unless const_defined?(name) runtime = const_get(name) raise RuntimeUnavailable, "#{runtime.name} runtime is not available on this system" unless runtime.available? runtime end end def self.names @names ||= constants.inject({}) { |h, name| h.merge(const_get(name) => name) }.values end def self.runtimes @runtimes ||= [ RubyRhino, Duktape, MiniRacer, Node, JavaScriptCore, SpiderMonkey, JScript, V8 ] end end def self.runtimes Runtimes.runtimes end end