GeometryReader that does not mess up with sizing!

GeometryReader that does not mess up with sizing!

import SwiftUI
//Nick Cook
//@cookednick​


struct PassiveGeometryReader<Content: View>: View {
	init(@ViewBuilder content: @escaping (PassiveGeometryProxy) -> Content) {
		self.content = content
		proxy = PassiveGeometryProxy(size: .zero, safeAreaInsets: .zero)
	}
	
	
	var body: some View {
		content(proxy)
			.background {
				GeometryReader { geometry in
					Spacer(minLength: 0)
						.onAppear { proxy.size = geometry.size }
						.onAppear { proxy.safeAreaInsets = geometry.safeAreaInsets }
						.onChange(of: geometry.size) { proxy.size = $0 }
						.onChange(of: geometry.safeAreaInsets) { proxy.safeAreaInsets = $0 }
				}
				.allowsHitTesting(false)
			}
	}
	
	
	@State private var proxy: PassiveGeometryProxy
	private let content: (PassiveGeometryProxy) -> Content
}
​
struct PassiveGeometryProxy {
	var size: CGSize,
		safeAreaInsets: EdgeInsets
}