swift-libs/Sources/Dependencies/Services/DependencyService.swift
Javier Cicchelli 9c89a59d1d [Feature] Dependencies (#3)
This PR contains the work done to provide a simple dependency injection feature whenever required.

To provide further details about this work:
- [x] renamed the `Coordinator` target in the `Package` file as `Coordination`;
- [x] declared the `Dependencies` target in the `Package` file;
- [x] defined the `DependencyKey` public protocol;
- [x] implemented the `DependencyService` public service;
- [x] implemented the `Dependency` public property wrapper;

Co-authored-by: Javier Cicchelli <javier@rock-n-code.com>
Reviewed-on: #3
2023-04-16 15:36:07 +00:00

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Swift

//
// DependencyService.swift
// Dependencies
//
// Created by Javier Cicchelli on 11/04/2023.
// Copyright © 2023 Röck+Cöde. All rights reserved.
//
/// This service provide write/read access to the injected dependencies.
public struct DependencyService {
// MARK: Properties
private static var current = DependencyService()
// MARK: Subscripts
public static subscript<DK: DependencyKey>(key: DK.Type) -> DK.Value {
get { key.currentValue }
set { key.currentValue = newValue }
}
public static subscript<D>(_ keyPath: WritableKeyPath<DependencyService, D>) -> D {
get { current[keyPath: keyPath] }
set { current[keyPath: keyPath] = newValue }
}
}