Opal is a Ruby to JavaScript source-to-source compiler. It comes packed with the Ruby corelib you know and love. It is both fast as a runtime and small in its footprint. The lib directory holds the Opal parser/compiler used to compile Ruby into JavaScript. It is also built ready for the browser into opal-parser.js to allow compilation in any JavaScript environment. This directory holds the Opal runtime and corelib implemented in Ruby and JavaScript. opal-parser allows you to eval Ruby code directly from your HTML (and from Opal) files without needing any other building process. Opal.compile is a simple interface to just compile a string of Ruby into a string of JavaScript code. See the website for more detailed instructions and guides for Rails, jQuery, Sinatra, rack, CDN, etc.

Features

  • Compile Ruby code with the CLI
  • Compile Ruby code from Ruby
  • Compile Ruby code from HTML
  • Run automated tests
  • You can run MSpec tests
  • Code runs inside your Ruby environment

Project Samples

Opal Screenshot 1

Project Activity

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Categories

Compilers, Runtimes

License

MIT License

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Opal Web Site

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Additional Project Details

Programming Language

Ruby

Related Categories

Ruby Compilers, Ruby Runtimes

Registered

2021-12-02
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