33 lines
786 B
Swift
33 lines
786 B
Swift
import Foundation
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public final class DIContainer {
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public static let shared = DIContainer()
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public private(set) var values = InjectionValues()
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private init() {}
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public func register<T>(
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_ keyPath: WritableKeyPath<InjectionValues, T?>,
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value: T
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) {
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values[keyPath: keyPath] = value
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}
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public func resolve<T>(
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_ keyPath: KeyPath<InjectionValues, T?>
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) -> T {
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guard let value = values[keyPath: keyPath] else {
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fatalError(
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"DIContainer: No value registered for \(keyPath). "
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+ "Call DIContainer.shared.register(\\.key, value:) during app startup."
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)
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}
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return value
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}
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public func reset() {
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values = InjectionValues()
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}
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}
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