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A QuickJS binding for idiomatic Kotlin, with Async/DSL/ES Modules support.

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package com.dokar.quickjs.bridge

import com.dokar.quickjs.QuickJs
import kotlinx.cinterop.CPointer
import kotlinx.cinterop.ExperimentalForeignApi
import kotlinx.cinterop.alloc
import kotlinx.cinterop.asStableRef
import kotlinx.cinterop.get
import kotlinx.cinterop.memScoped
import kotlinx.cinterop.ptr
import kotlinx.cinterop.readValue
import kotlinx.cinterop.toCPointer
import kotlinx.cinterop.value
import platform.posix.int64_tVar
import quickjs.JSContext
import quickjs.JSValue
import quickjs.JS_ToInt64

internal data class BindingFunctionData(
    val name: String,
    val quickJs: QuickJs,
    val objectHandle: Long,
) {
    companion object {
        @OptIn(ExperimentalForeignApi::class)
        fun fromJsValues(
            ctx: CPointer?,
            data: CPointer,
        ): BindingFunctionData = memScoped {
            // Read property name
            val name = data[0].readValue().toKtString(ctx!!)!!

            // Read the QuickJs instance
            val qjsAddress = alloc()
            JS_ToInt64(ctx, qjsAddress.ptr, data[1].readValue())
            val qjsVoidPtr = qjsAddress.value.toCPointer()
            val qjsStableRef = qjsVoidPtr!!.asStableRef()
            val quickJs = qjsStableRef.get()

            // Read object handle
            val objectHandle = alloc()
            JS_ToInt64(ctx, objectHandle.ptr, data[2].readValue())

            BindingFunctionData(
                name = name,
                quickJs = quickJs,
                objectHandle = objectHandle.value,
            )
        }
    }
}