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dart injektor
Injektor #
This is a lightweight dependency injection package in Dart language that provides the ability to register and resolve dependencies.
Usage #
import 'package:dart_injektor/injektor.dart';
// Fetch the dependency injector instance, or create a new one.
final injektor = Injektor();
// Register a dependency instance.
final myDependency = MyDependency();
injektor.register<MyDependency>(myDependency);
// Resolve the dependency.
// Alternatively, you can use the `resolve` or `call` methods to be more explicit.
final myClass = injektor<MyDependency>();
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API #
The Injektor package provides the following methods:
register<T>(T instance, [String identifier = 'DEFAULT'])
Registers an instance of a dependency. The T type parameter specifies the type of the dependency. The instance parameter is the instance to be registered. The identifier parameter is an optional identifier for the instance. If not provided, it defaults to DEFAULT.
lazyRegister<T>(Function() factory, [String identifier = 'DEFAULT'])
Registers a factory function for a dependency. The T type parameter specifies the type of the dependency. The factory parameter is a function that returns an instance of the dependency. The identifier parameter is an optional identifier for the factory. If not provided, it defaults to DEFAULT.
resolve<T>([String identifier = 'DEFAULT'])
call<T>([String identifier = 'DEFAULT'])
<T>([String identifier = 'DEFAULT'])
Resolves a dependency instance. The T type parameter specifies the type of the dependency. The identifier parameter is an optional identifier for the instance or factory to resolve. If not provided, it defaults to DEFAULT. If an instance is registered for the given type and identifier, it is returned. Otherwise, if a factory is registered for the given type and identifier, the factory is called to create an instance and register it before returning it. An exception is thrown if neither an instance nor a factory is registered.
dispose<T>([String identifier = 'DEFAULT'])
Disposes a dependency instance or factory. The T type parameter specifies the type of the dependency. The identifier parameter is an optional identifier for the instance or factory to dispose. If not provided, it defaults to DEFAULT. If an instance is registered for the given type and identifier, it is removed from the instances map. If a factory is registered for the given type and identifier, it is removed from the factories map.
disposeAll()
Disposes all dependency instances and factories. Removes all instances from the instances map and all factories from the factories map.
Features #
✅ Register instance (Eager), instance is created when register.
✅ Register factory (Lazy), instance is created when first resolve.
✅ Resolve instance, return instance if it exists.
✅ Dispose instance or factory, remove the instance or factory from the injector.
✅ Dispose All, remove all instances and factories from the injector.
License #
This library is licensed under the MIT License.
For personal and professional use. You cannot resell or redistribute these repositories in their original state.
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