Getting SafeArea, TabBar Sizes in SwiftUI

SafeAreaTabBar+Extensions

//
//  SafeAreaTabBar+Extension.swift
//  SafeAreTabBar
//
//  Created by Moussa on 11/6/2023.
//

import SwiftUI

extension UITabBarController {
    var height: CGFloat {
        return self.tabBar.frame.size.height
    }
    
    var width: CGFloat {
        return self.tabBar.frame.size.width
    }
}


extension UIApplication {
    var keyWindow: UIWindow? {
        connectedScenes
            .compactMap {
                $0 as? UIWindowScene
            }
            .flatMap {
                $0.windows
            }
            .first {
                $0.isKeyWindow
            }
    }
    
}

private struct SafeAreaInsetsKey: EnvironmentKey {
    static var defaultValue: EdgeInsets {
        UIApplication.shared.keyWindow?.safeAreaInsets.swiftUiInsets ?? EdgeInsets()
    }
}


private extension UIEdgeInsets {
    var swiftUiInsets: EdgeInsets {
        EdgeInsets(top: top, leading: left, bottom: bottom, trailing: right)
    }
}


extension EnvironmentValues {
    var safeAreaInsets: EdgeInsets {
        self[SafeAreaInsetsKey.self]
    }
}