Module function 

JavaScript function references and Rust callback management.

This module provides types for calling JavaScript functions from Rust and for registering Rust callbacks that can be called from JavaScript.

Structs

JSFunction

A reference to a JavaScript function that can be called from Rust.

Constants

CALL_EXPORT_FN_ID

Reserved function ID for calling exported Rust struct methods from JS. JS sends this with the export name to call the appropriate handler.

DROP_NATIVE_REF_FN_ID

Reserved function ID for dropping native Rust refs when JS objects are GC’d. JS sends this when a FinalizationRegistry callback fires for a RustFunction.