ToolbarAccessibilityButton.swift

struct ToolbarButton: View {
    var imageName: String
    var accessibilityLabel: String
    var accessibilityHint: String
    var action: (()->()) = {}

    var body: some View {
        Button(action: action) {
            Image(systemName: imageName)
                .font(.headline)
                .textCase(.none)
        }
        .accessibility(Label: Text(accessibilityLabel))
        .help(accessibilityHint)
        .padding(10)
        .offset(x: 10)
        .hoverEffect()
    }
}

struct ExampleView: View {
    var body: some View {
        NavigationView {
            Text("Hello I'm an example")
                .toolbar {
                    ToolbarItem(placement: .navigationBarTrailing) {
                        ToolbarButton(imageName: "square.and.arrow.up", accessibilityLabel: "Share Card", accessibilityHint: "Open share sheet") {
                            // self.openSharing()
                        }
                    }
                }
        }
    }
}