Monadic Javascript Compiler

Latest on Hackage:0.2

This package is not currently in any snapshots. If you're interested in using it, we recommend adding it to Stackage Nightly. Doing so will make builds more reliable, and allow to host generated Haddocks.

BSD3 licensed by Andrew Gill, Jan Bracker
Maintained by Jan Bracker


Sunroof is a Haskell-hosted Domain Specific Language (DSL) for generating JavaScript. Sunroof is build on top of the JS-monad, which, like the Haskell IO-monad, allows access to external resources, but specifically JavaScript resources. As such, Sunroof is primarily a feature-rich foreign function API to the browser’s JavaScript engine, and all the browser-specific functionality, including HTML-based rendering, event handling, and drawing to the HTML5 canvas.

It uses monadic reification, to reify a deep embedding of the JS-monad, and from this embedding it generates JavaScript. The Sunroof DSL has the feel of native Haskell, with a simple Haskell-based type schema to guide the Sunroof programmer. Furthermore, because it generates code, Sunroof can offer Haskell-style concurrency patterns, like MVars and Channels. In combination with a web services package like kansas-comet, the Sunroof compiler offers a robust platform to build interactive web applications, giving the ability to interleave Haskell and JavaScript computations with each other as needed (sunroof-server).

Further Information

Further information on Sunroof can be found in different places:

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