FromPanicValue - returns an error with the best possible stack-trace from the value obtained from calling recover() within a defer

error_from_panic.go

package error

import pkgerrors "github.com/pkg/errors"

// FromPanicValue returns an error with the best possible stack-trace from
// the value obtained from calling recover() within a defer
func FromPanicValue(pv any) error {
	if pv == nil {
		return nil
	}

	err, ok := pv.(error)
	if !ok {
		return pkgerrors.Errorf("panic with value: %+v", pv)
	}

	if _, ok := err.(interface {
		StackTrace() pkgerrors.StackTrace
	}); ok {
		return err
	}

	// capture a stack if we're missing one
	return pkgerrors.WithStack(err)
}