id.go

package id

import (
	"errors"
	"strings"
)

const Separator = '/'

var ErrInvalidID = errors.New("invalid id")

type ID interface {
	String() string
	Type() string
	ToMap() map[string]any
	FromString(string) error
	FromMap(map[string]any) error
	Validate() error
}

func Split(id string) []string {
	if id[0] != Separator {
		return nil
	}
	return strings.Split(id[1:], string(Separator))
}

func Join(parts ...string) string {
	s := strings.Join(parts, string(Separator))
	if s[0] != Separator {
		s = string(Separator) + s
	}
	return s
}