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import SwiftUI | |
import Dependencies | |
private struct TextView: View { | |
let title: String | |
let text: String | |
var body: some View { | |
HStack { | |
Text(title) | |
Spacer() | |
Text(text) | |
} | |
.padding(.horizontal) | |
} | |
} | |
struct OuterView: View { | |
@Dependency(\.text) private var dependenciesText | |
@Environment(\.text) private var environmentText | |
var body: some View { | |
VStack { | |
Text("OuterView") | |
.font(.title) | |
TextView(title: "@Environment", text: environmentText) | |
TextView(title: "@Dependency", text: dependenciesText) | |
InnerView() | |
.padding() | |
} | |
.background(.cyan) | |
} | |
} | |
private struct InnerView: View { | |
@Dependency(\.text) private var dependenciesText | |
@Environment(\.text) private var environmentText | |
@StateObject private var model = Model() | |
var body: some View { | |
VStack { | |
Text("InnerView") | |
.font(.title) | |
TextView(title: "@Environment", text: environmentText) | |
TextView(title: "@Dependency", text: dependenciesText) | |
.foregroundColor(.red) | |
TextView(title: "Model", text: model.depText) | |
.foregroundColor(.red) | |
} | |
.background(.white) | |
} | |
} | |
class Model: ObservableObject { | |
@Dependency(\.text) var depText | |
} | |
struct OuterView_Previews: PreviewProvider { | |
static var previews: some View { | |
withDependencies { | |
$0.text = "Injected - withDependencies" | |
} operation: { | |
OuterView() | |
.environment(\.text, "Injected - .environment()") | |
} | |
} | |
} | |
// MARK: - Text Dependency | |
extension DependencyValues { | |
var text: String { | |
get { self[TextKey.self] } | |
set { self[TextKey.self] = newValue } | |
} | |
enum TextKey: TestDependencyKey { | |
static var liveValue = "N/A" | |
static var testValue = "defaultTestValue" | |
} | |
} | |
extension EnvironmentValues { | |
var text: String { | |
get { self[TextKey.self] } | |
set { self[TextKey.self] = newValue } | |
} | |
struct TextKey: EnvironmentKey { | |
static var defaultValue: String { "@Environment - Default Value" } | |
} | |
} |
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