Opal
Opal is a Ruby to JavaScript source-to-source compiler with a complete Ruby corelib and stdlib implementation.
What is Opal?
Opal is a Ruby to JavaScript source-to-source compiler that allows developers to write web applications in Ruby. It translates Ruby code into JavaScript that runs in browsers, and includes implementations of Ruby's core library and standard library. This enables Ruby developers to use their preferred language for both backend and frontend development.
Ruby developers who want to write frontend code in Ruby, full-stack teams seeking language consistency across their stack, and projects looking to leverage Ruby's expressiveness for browser-based applications.
Opal provides the most complete Ruby-to-JavaScript compilation available, with full support for Ruby's corelib and stdlib. Unlike simpler transpilers, it maintains Ruby's semantics and idioms while producing production-ready JavaScript compatible with all major browsers.
Overview
Ruby ♥︎ JavaScript
Use Cases
Best For
- Writing frontend web applications entirely in Ruby
- Full-stack Ruby development with consistent language across backend and frontend
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