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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,19 @@ | ||
| import SwiftUI | ||
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| extension View { | ||
| @inline(__always) | ||
| @ViewBuilder | ||
| func onWidthChange(perform: @escaping (CGFloat) -> Void) -> some View { | ||
| background { | ||
| WidthObserver(perform: perform) | ||
| } | ||
| } | ||
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|
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| @inline(__always) | ||
| @ViewBuilder | ||
| func onHeightChange(perform: @escaping (CGFloat) -> Void) -> some View { | ||
| background { | ||
| HeightObserver(perform: perform) | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,31 @@ | ||
| import SwiftUI | ||
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| struct WidthObserver: View { | ||
| let perform: (CGFloat) -> Void | ||
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| var body: some View { | ||
| GeometryReader { proxy in | ||
| Color.clear | ||
| .onAppear { | ||
| let width = proxy.size.width | ||
| perform(width) | ||
| } | ||
| .onChange(of: proxy.size.width, perform: perform) | ||
| } | ||
| } | ||
| } | ||
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| struct HeightObserver: View { | ||
| let perform: (CGFloat) -> Void | ||
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| var body: some View { | ||
| GeometryReader { proxy in | ||
| Color.clear | ||
| .onAppear { | ||
| let height = proxy.size.height | ||
| perform(height) | ||
| } | ||
| .onChange(of: proxy.size.height, perform: perform) | ||
| } | ||
| } | ||
| } |
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