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README.md

Opal Compiler for Node.js

Build npm version

Transpile Ruby code to JavaScript in JavaScript!

Usage

Given a Ruby file named hello.rb:

puts "Hello world"

The following code will transpile hello.rb to JavaScript:

const Builder = require('opal-compiler').Builder
// Opal object will be available on the global scope

const builder = Builder.create()
const result = builder.build('hello.rb').toString()
console.log(result)
//(function(Opal) {
//  var self = Opal.top, $scope = Opal, nil = Opal.nil, $breaker = Opal.breaker, $slice = Opal.slice;

//  Opal.add_stubs(['$puts']);
//  return self.$puts("Hello world")
//})(Opal);
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