JezK
Edit File: coffee_script.rb
require 'execjs' require 'coffee_script/source' module CoffeeScript Error = ExecJS::Error EngineError = ExecJS::RuntimeError CompilationError = ExecJS::ProgramError module Source def self.path @path ||= ENV['COFFEESCRIPT_SOURCE_PATH'] || bundled_path end def self.path=(path) @contents = @version = @bare_option = @context = nil @path = path end COMPILE_FUNCTION_SOURCE = <<-JS ;function compile(script, options) { try { return CoffeeScript.compile(script, options); } catch (err) { if (err instanceof SyntaxError && err.location) { throw new SyntaxError([ err.filename || "[stdin]", err.location.first_line + 1, err.location.first_column + 1 ].join(":") + ": " + err.message) } else { throw err; } } } JS def self.contents @contents ||= File.read(path) + COMPILE_FUNCTION_SOURCE end def self.version @version ||= contents[/CoffeeScript Compiler v([\d.]+)/, 1] end def self.bare_option @bare_option ||= contents.match(/noWrap/) ? 'noWrap' : 'bare' end def self.context @context ||= ExecJS.compile(contents) end end class << self def engine end def engine=(engine) end def version Source.version end # Compile a script (String or IO) to JavaScript. def compile(script, options = {}) script = script.read if script.respond_to?(:read) if options.key?(:bare) elsif options.key?(:no_wrap) options[:bare] = options[:no_wrap] else options[:bare] = false end # Stringify keys options = options.inject({}) { |h, (k, v)| h[k.to_s] = v; h } Source.context.call("compile", script, options) end end end