An Information Flow Monitor Inliner for JavaScript Web Applications. Read Andrey Chudnov's PhD dissertation for an overview and rationale for the design and implementation.
Currently the stack tool (http://haskellstack.org) is a prerequisite for building. Follow the instructions to set up the tool and your environment. Then issue stack build in the project directory.
Use your favorite tools for developing in Haskell. For JavaScript I use Facebook Flow (http://github.com/facebook/flow).