Module: ExecJS::Runtimes
- Defined in:
- lib/execjs/runtimes.rb
Constant Summary collapse
- Disabled =
DisabledRuntime.new
- RubyRacer =
RubyRacerRuntime.new
- RubyRhino =
RubyRhinoRuntime.new
- Johnson =
JohnsonRuntime.new
- Mustang =
MustangRuntime.new
- Node =
ExternalRuntime.new( :name => "Node.js (V8)", :command => ["nodejs", "node"], :runner_path => ExecJS.root + "/support/node_runner.js", :encoding => 'UTF-8' )
- JavaScriptCore =
ExternalRuntime.new( :name => "JavaScriptCore", :command => "/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 )
Class Method Summary collapse
- .autodetect ⇒ Object
- .best_available ⇒ Object
- .from_environment ⇒ Object
- .names ⇒ Object
- .runtimes ⇒ Object
Class Method Details
.autodetect ⇒ Object
49 50 51 52 53 |
# File 'lib/execjs/runtimes.rb', line 49 def self.autodetect from_environment || best_available || raise(RuntimeUnavailable, "Could not find a JavaScript runtime. " + "See https://github.com/sstephenson/execjs for a list of available runtimes.") end |
.best_available ⇒ Object
55 56 57 |
# File 'lib/execjs/runtimes.rb', line 55 def self.best_available runtimes.reject(&:deprecated?).find(&:available?) end |
.from_environment ⇒ Object
59 60 61 62 63 64 65 66 67 68 69 70 71 |
# File 'lib/execjs/runtimes.rb', line 59 def self.from_environment if name = ENV["EXECJS_RUNTIME"] if runtime = const_get(name) if runtime.available? runtime if runtime.available? else raise RuntimeUnavailable, "#{runtime.name} runtime is not available on this system" end elsif !name.empty? raise RuntimeUnavailable, "#{name} runtime is not defined" end end end |
.names ⇒ Object
73 74 75 |
# File 'lib/execjs/runtimes.rb', line 73 def self.names @names ||= constants.inject({}) { |h, name| h.merge(const_get(name) => name) }.values end |
.runtimes ⇒ Object
77 78 79 80 81 82 83 84 85 86 87 88 |
# File 'lib/execjs/runtimes.rb', line 77 def self.runtimes @runtimes ||= [ RubyRacer, RubyRhino, Johnson, Mustang, Node, JavaScriptCore, SpiderMonkey, JScript ] end |