NodObjC
The Node.js ⇆ Objective-C bridge
...It lets JavaScript programs load Apple frameworks and call Objective-C classes, methods, constants, structures, and related C functions. BridgeSupport metadata is used to generate framework APIs dynamically, while the Node FFI layer performs runtime calls. Objective-C message passing is represented with JavaScript function-call syntax that preserves multipart selector names. Developers can build Cocoa or iOS interface prototypes while keeping application logic in JavaScript. Because code runs through V8 instead of being compiled into a native executable, changes can be tested without a full rebuild. ...