XXLTextViewModifier.swift

private struct XXLTextViewModifier: ViewModifier {
    let size: CGFloat
    func body(content: Content) -> some View {
        content
            .font(.system(size: size*40))
    }
}

extension View {
    func xxlText(_ size: CGFloat = 2) -> some View {
        modifier(XXLTextViewModifier(size: size))
    }
}

struct XXLTextViewModifier_Previews: PreviewProvider {
    static var previews: some View {
       Text("🌴")
           .xxlText(3)
    }
}