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SwiftUI-Introspect
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This commit is contained in:
David Roman 2023-06-03 13:48:25 +01:00
parent 459b65ee30
commit 0e0dc8e486
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GPG Key ID: 7058646EEFCB70A7
2 changed files with 25 additions and 22 deletions
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28
Sources/IntrospectionSelector.swift
View File

@ -1,12 +1,30 @@
@_spi(Internals)
public struct IntrospectionSelector<Target: PlatformEntity> {
private let selector: (any PlatformEntity, IntrospectionScope, IntrospectionAnchorID) -> Target?
private let selector: (IntrospectionPlatformViewController, IntrospectionScope, IntrospectionAnchorID) -> Target?
static var `default`: Self { .from(Target.self, selector: { $0 }) }
@_spi(Internals)
public static func from<Entry: PlatformEntity>(_ entryType: Entry.Type, selector: @escaping (Entry) -> Target?) -> Self {
.init { entity, scope, anchorID in
.init { controller, scope, anchorID in
guard let entity = { () -> (any PlatformEntity)? in
if Entry.Base.self == PlatformView.self {
#if canImport(UIKit)
if let introspectionView = controller.viewIfLoaded {
return introspectionView
}
#elseif canImport(AppKit)
if controller.isViewLoaded {
return controller.view
}
#endif
} else if Entry.Base.self == PlatformViewController.self {
return controller
}
return nil
}() else {
return nil
}
if
scope.contains(.receiver),
let entry = entity.receiver(ofType: Entry.self, anchorID: anchorID),
@ -25,15 +43,15 @@ public struct IntrospectionSelector<Target: PlatformEntity> {
}
}
init(_ selector: @escaping (any PlatformEntity, IntrospectionScope, IntrospectionAnchorID) -> Target?) {
init(_ selector: @escaping (IntrospectionPlatformViewController, IntrospectionScope, IntrospectionAnchorID) -> Target?) {
self.selector = selector
}
func callAsFunction(
_ entity: any PlatformEntity,
_ controller: IntrospectionPlatformViewController,
_ scope: IntrospectionScope,
_ anchorID: IntrospectionAnchorID
) -> Target? {
selector(entity, scope, anchorID)
selector(controller, scope, anchorID)
}
}

19
Sources/IntrospectionView.swift
View File

@ -81,26 +81,11 @@ struct IntrospectionView<Target: PlatformEntity>: PlatformViewControllerRepresen
private let customize: (Target) -> Void
init(
selector: @escaping (any PlatformEntity) -> Target?,
selector: @escaping (IntrospectionPlatformViewController) -> Target?,
customize: @escaping (Target) -> Void
) {
self._observed = .constant(())
self.selector = { introspectionController in
if Target.Base.self == PlatformView.self {
#if canImport(UIKit)
if let introspectionView = introspectionController.viewIfLoaded {
return selector(introspectionView)
}
#elseif canImport(AppKit)
if introspectionController.isViewLoaded {
return selector(introspectionController.view)
}
#endif
} else if Target.Base.self == PlatformViewController.self {
return selector(introspectionController)
}
return nil
}
self.selector = selector
self.customize = customize
}