Function WrapVmCall

script/utils.go:321–345

(vm *VM, fn func(vm *VM, args Values) any)

}

func WrapVmCall(vm *VM, fn func(vm *VM, args Values) any) any {
	return func(c otto.FunctionCall) otto.Value {
		// Resolve into a local variable instead of reassigning the captured
		// vm: the closure is shared across all forked VMs (otto copies the
		// runtime but not the Go closure), so writing the captured variable
		// would race between concurrent VM runs.
		actualVM := vm.resolveVM(c.Otto)
		if actualVM == nil {
			panic("detached vm")
		}

		defer func() {
			if e := recover(); e != nil {
				actualVM.ThrowError(e)
			}
		}()

		ret := fn(actualVM, newValues(actualVM, c.ArgumentList))
		ov, e := actualVM.o.ToValue(ret)
		if e != nil {
			actualVM.ThrowTypeError(e.Error())
		}
		return ov
	}
}

func wrapVmRun(ctx context.Context, vm *VM, fn func() (otto.Value, error)) (value *Value, e error) {
	defer func() {