inline-js: Call JavaScript from Haskell, and vice versa!

Documentation

Haddock documentation for HEAD is available.

Implemented features

• Manage node sessions which run the eval server script for Haskell/JavaScript interop
• Evaluate expressions with require()/import() support
• Export Haskell functions to async/sync JavaScript functions
• Load third party libraries in user-specified node_modules
• Garbage-collected JSVal references in Haskell
• Support Promise-based async evaluation
• Type classes for Haskell/JavaScript data marshaling, with aeson support
• Template Haskell QuasiQuoters for lifting Haskell variables into JavaScript code
• Doesn't require node native addon or third party libraries

Planned features

• Integrate with TypeScript compiler, generate Haskell code from TypeScript .d.ts code
• Integrate with headless browser testing frameworks like playwright/puppeteer for running JavaScript in browsers

Supported versions

Supported GHC versions:

• ghc-8.8, tested with ghc-8.8.4
• ghc-8.10, tested with ghc-8.10.2

Supported platforms:

• Windows 10 x64, tested with Windows Server 2019
• Linux x64, tested with Ubuntu focal
• macOS x64, tested with macOS Catalina

Supported node versions:

• node-v10, minimum v10.20.0
• node-v12 and later

See the CI config for details.

Contributors

inline-js is maintained by Tweag I/O.

Have questions? Need help? Tweet at @tweagio.