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

32 lines
969 B
Swift

//
// Dependency.swift
// Dependencies
//
// Created by Javier Cicchelli on 11/04/2023.
// Copyright © 2023 Röck+Cöde. All rights reserved.
//
/// This property wrapper provides a direct connection to the `DependencyService` service.
@propertyWrapper
public struct Dependency<D> {
// MARK: Properties
private let keyPath: WritableKeyPath<DependencyService, D>
/// This property allows direct read/write access to a defined dependency attached to a selected key path.
public var wrappedValue: D {
get { DependencyService[keyPath] }
set { DependencyService[keyPath] = newValue }
}
// MARK: Initialisers
/// Initialise the property wrapper by setting a key path to a defined dependency.
/// - Parameter keyPath: A key path to a defined dependency in the `DependencyService` service.
public init(_ keyPath: WritableKeyPath<DependencyService, D>) {
self.keyPath = keyPath
}
}