mirror of
https://github.com/jashkenas/coffeescript.git
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7ae8687a3e
coffee compiles CoffeeScript source files into JavaScript.
Usage:
coffee path/to/script.coffee
-i, --interactive run a CoffeeScript REPL (requires Narwhal)
-r, --run compile and run a script (requires Narwhal)
-o, --output [DIR] set the directory for compiled JavaScript
-w, --watch watch scripts for changes, and recompile
-p, --print print the compiled JavaScript to stdout
-l, --lint pipe the compiled JavaScript through JSLint
-e, --eval compile a cli scriptlet or read from stdin
-t, --tokens print the tokens that the lexer produces
-v, --verbose print at every step of code generation
-n, --no-wrap raw output, no safety wrapper or vars
--install-bundle install the CoffeeScript TextMate bundle
--version display CoffeeScript version
-h, --help display this help message outside of the coffee-script directory
62 lines
2.1 KiB
CoffeeScript
62 lines
2.1 KiB
CoffeeScript
# This (javascript) file is generated from lib/coffee_script/narwhal/coffee-script.coffee
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# Executes the `coffee` Ruby program to convert from CoffeeScript
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# to Javascript. Eventually this will hopefully happen entirely within JS.
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# Require external dependencies.
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OS: require('os')
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File: require('file')
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Readline: require('readline')
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# The path to the CoffeeScript Compiler.
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coffeePath: File.path(module.path).dirname().dirname().dirname().dirname().dirname().join('bin', 'coffee')
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# Our general-purpose error handler.
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checkForErrors: coffeeProcess =>
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return true if coffeeProcess.wait() is 0
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system.stderr.print(coffeeProcess.stderr.read())
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throw new Error("CoffeeScript compile error").
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# Run a simple REPL, round-tripping to the CoffeeScript compiler for every
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# command.
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exports.run: args =>
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args.shift()
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if args.length
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exports.evalCS(File.read(path)) for path in args.
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return true.
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while true
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try
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system.stdout.write('coffee> ').flush()
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result: exports.evalCS(Readline.readline())
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print(result) if result isnt undefined
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catch e
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print(e)...
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# Compile a given CoffeeScript file into JavaScript.
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exports.compileFile: path =>
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coffee: OS.popen([coffeePath, "--print", "--no-wrap", path])
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checkForErrors(coffee)
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coffee.stdout.read().
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# Compile a string of CoffeeScript into JavaScript.
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exports.compile: source =>
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coffee: OS.popen([coffeePath, "--eval", "--no-wrap"])
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coffee.stdin.write(source).flush().close()
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checkForErrors(coffee)
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coffee.stdout.read().
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# Evaluating a string of CoffeeScript first compiles it externally.
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exports.evalCS: source =>
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eval(exports.compile(source)).
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# Make a factory for the CoffeeScript environment.
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exports.makeNarwhalFactory: path =>
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code: exports.compileFile(path)
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factoryText: "function(require,exports,module,system,print){ 1 + 1 /**/\n}"
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if system.engine is "rhino"
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Packages.org.mozilla.javascript.Context.getCurrentContext().compileFunction(global, factoryText, path, 0, null)
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else
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# eval requires parenthesis, but parenthesis break compileFunction.
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eval("(" + factoryText + ")")..
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