invoke.go

package imbue

import (
	"context"
	"errors"
)

// InvokeOption is an option that changes the behavior of a call to InvokeX().
type InvokeOption interface {
	applyInvokeOptionToContainer(*Container) error
	applyInvokeOptionToContext(*scopedContext) error
}

// filterInvokeError is called when an InvokeX() function is about to return an
// error.
//
// It may modify the error, return a new error, or panic.
func filterInvokeError(err error) error {
	var u undeclaredConstructorError
	if errors.As(err, &u) {
		panic(u.Error())
	}

	return err
}

// Invoke0 calls a function without dependencies.
//
// This function does not use the container at all; it is included to aid while
// refactoring.
func Invoke0(
	ctx context.Context,
	con *Container,
	fn func(context.Context) error,
	options ...InvokeOption,
) error {
	return filterInvokeError(fn(ctx))
}