resolve

type FS interface {
	Stat(path string) (fs.FileInfo, error)
	ReadFile(path string) ([]byte, error)
}

type ModuleResolver struct {
	Config *ResolverConfig
}

type Path interface {
	Dir(path string) string
	Join(elem ...string) string
}

type ResolverConfig struct {
	Extensions           []string
	ExtensionMap         map[string][]string
	IsCoreModule         func(string) bool
	ModulesDirectoryName string
	ManifestFileName     string
	MainFields           []string
	IndexName            string
	Conditions           []string
	FS                   FS
	Path                 Path
}

type Specifier struct {
	Proto string
	Scope string
	Pkg   string
	Name  string
	Path  string
}

type SubpathResolver struct {
	Conditions []string
	Exports    map[string]any
	Imports    map[string]any
}

type SubpathResolverConfig struct {
	Exports    any
	Imports    any
	Conditions []string
}