js2coffee

Convert yours JavaScript to CoffeeScript, vice versa, just for ruby developer.

• Keep it simple, a command line with no more options.
• Pretty format output with coderay.
• Watch a directory, convert automaticly when file change.
• SourceMap generation automaticly, for debug with CoffeeScript in Firefox/Chrome.
• With Nodejs, just for Ruby on Rails developer.

Install via Rubygems

$ gem install js2coffee

Run js2coffee or js2coffee individually. (old command coff is not available.)

$ coffee2js your_awesome.coffee

You can redirect STDOUT to a new file.

$ coffee2js your_awesome.coffee > you_awesome.js

$ coffee2js script_directory

This will create corresponding js(.js) and Source Map(.js.map) in same directory as coffee file live in. map file will keep hide with leading dot, e.g. awesome.js will create awesome.coffee and .awesome.js.map

If one directory named coffee or named js in you project root, will create another directory automaticly with cloned directory hierarchy, this will make js and coffee file saved seperately.

You can run coffee script directly with: -e argments or pipe.

You can setting JS2COFFEE_EXCLUDE_PATTERN to specify the pattern to be skipped when watching one directory.

$ export JS2COFFEE_EXCLUDE_PATTERN='one_pattern|another_pattern'

js2coffee will always skip node_modules and bower_components.

• MRI 1.9.3+
• Rubinius 2.2+

• CoffeeScript 1.1.0, used for convert from CoffeeScript to JavaScript.
• js2coffee 2.1.0, used for convert JavaScript to CoffeeScript.

More update info, please See CHANGELOG for details.

• Bug reports
• Source
• Patches:
  • Fork on Github.
  • Run gem install --dev js2coffee or bundle.
  • Create your feature branch: git checkout -b my-new-feature.
  • Commit your changes: git commit -am 'Add some feature'.
  • Push to the branch: git push origin my-new-feature.
  • Send a pull request :D.

Released under the MIT license, See LICENSE for details.