title: How to get height of a tabBar in SwiftUI
body: <p>I am trying to get the height of a tabBar in swiftUI however I am failing I know in swift we would do something like :</p>
  
  <pre><code>extension UITabBarController{
  
      func getHeight()-&gt;CGFloat{
          return self.tabBar.frame.size.height
      }
  
      func getWidth()-&gt;CGFloat{
           return self.tabBar.frame.size.width
      }
  }
  
  </code></pre>
  
  <p>What is the equivalent in SwiftUI?</p>