internal/controller/call_setup.go - master - t3/cli

package controller

import (
	"encoding/json"
	"fmt"
	"io"
	"log/slog"

	"github.com/dop251/goja"
	"gitverse.ru/t3/cli/internal/engine"
)

func CallSetup(logger *slog.Logger, bundle []byte, controllerWriter io.Writer) ([]byte, error) {
	en, err := engine.NewEngine(bundle)
	if err != nil {
		return nil, err
	}

	instance, err := en.NewInstance(&engine.InstanceConfig{
		Logger:           logger,
		ControllerWriter: controllerWriter,
	})
	if err != nil {
		return nil, err
	}

	fn, ok := instance.GetFunc("setup")
	if !ok {
		return nil, nil
	}

	res, err := fn.Call(goja.Undefined())
	if err != nil {
		return nil, fmt.Errorf("setup call failed: %w", err)
	}

	obj := res.Export()
	if obj == nil {
		return nil, nil
	}

	return json.Marshal(obj)
}