Add parameter to provider

This commit is contained in:
yarashevich_kv
2022-08-10 17:23:54 +03:00
parent 085ccb55f5
commit 8c3a0df452
3 changed files with 71 additions and 24 deletions

View File

@@ -11,7 +11,9 @@
/// limitations under the License.
///
enum Mode { SIMPLE, INSTANCE, PROVIDER_INSTANCE }
enum Mode { SIMPLE, INSTANCE, PROVIDER_INSTANCE, PROVIDER_WITH_PARAMS_INSTANCE }
typedef ProviderWithParam<T> = T Function(dynamic param);
/// RU: Класс Binding<T> настраивает параметры экземпляра.
/// ENG: The Binding<T> class configures the settings for the instance.
@@ -22,6 +24,7 @@ class Binding<T> {
late String _name;
T? _instance;
T? Function()? _provider;
ProviderWithParam<T>? _providerWithParam;
late bool _isSingleton = false;
late bool _isNamed = false;
@@ -91,6 +94,16 @@ class Binding<T> {
return this;
}
/// RU: Инициализация экземляпяра  через провайдер [value] c динамическим параметром.
/// ENG: Initialization instance via provider [value] with a dynamic param.
///
/// return [Binding]
Binding<T> toProvideWithParam(ProviderWithParam<T> value) {
_mode = Mode.PROVIDER_WITH_PARAMS_INSTANCE;
_providerWithParam = value;
return this;
}
/// RU: Инициализация экземляпяра  как сингелтон [value].
/// ENG: Initialization instance as a singelton [value].
///
@@ -117,4 +130,12 @@ class Binding<T> {
}
return _provider?.call();
}
/// RU: Поиск экземпляра с параметром.
/// ENG: Resolve instance with param.
///
/// return [T]
T? providerWithParam(dynamic param) {
return _providerWithParam?.call(param);
}
}

View File

@@ -86,8 +86,8 @@ class Scope {
/// If you want to get [null] if the dependency cannot be found then use [tryResolve] instead
/// return - returns an object of type [T] or [StateError]
///
T resolve<T>({String? named}) {
var resolved = tryResolve<T>(named: named);
T resolve<T>({String? named, dynamic param}) {
var resolved = tryResolve<T>(named: named, param: param);
if (resolved != null) {
return resolved;
} else {
@@ -99,7 +99,7 @@ class Scope {
/// RU: Возвращает найденную зависимость типа [T] или null, если она не может быть найдена.
/// ENG: Returns found dependency of type [T] or null if it cannot be found.
///
T? tryResolve<T>({String? named}) {
T? tryResolve<T>({String? named, dynamic param}) {
// 1 Поиск зависимости по всем модулям текущего скоупа
if (_modulesList.isNotEmpty) {
for (var module in _modulesList) {
@@ -112,6 +112,12 @@ class Scope {
return binding.instance;
case Mode.PROVIDER_INSTANCE:
return binding.provider;
case Mode.PROVIDER_WITH_PARAMS_INSTANCE:
if (param == null) {
throw StateError(
'Param is null. Maybe you forget pass it');
}
return binding.providerWithParam(param);
default:
return null;
}