A11yModifierExample

gistfile1.swift

struct A11yModifier: ViewModifier {
    ///A label that is visible to UI tests AND VoiceOver
    let label: String?
    ///An identifier that is visible to UI tests NOT VoicOver
    let identifier: String?
    ///The required function that returns our View with the necessary accessibility modifiers
    func body(content: Content) -> some View {
        content
            .conditionalModifier(label != nil) {
                $0.accessibility(label: Text(label!))
            }
            .conditionalModifier(identifier != nil) {
                $0.accessibility(identifier: identifier!)
            }
    }
}

extension View {
    @ViewBuilder
    func conditionalModifier<Content: View>(_ condition: Bool, transform: (Self) -> Content) -> some View {
        if condition {
            transform(self)
        } else {
            self
        }
    }
}

extension View {
    ///This wrapper simplifies the call so we don't have to use the .modifier(A11yModifier()) syntax
    func a11y(label: String? = nil, identifier: String? = nil) -> some View {
        self.modifier(A11yModifier(label: label, identifier: identifier))
    }
}