Webview

WKWebKit, UIWebKit, WebView

Check WebView loaded

func webView(_ webView: WKWebView, didCommit navigation: WKNavigation!) {
    print("Start loading")    
}

func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
    print("End loading")
}

SO | check-if-wkwebview-has-loaded-page

Clear Cache

Swift 5 snippet

WKWebsiteDataStore
.default()
.removeData(ofTypes: [WKWebsiteDataTypeDiskCache,
					  WKWebsiteDataTypeMemoryCache], 
					  modifiedSince: Date(timeIntervalSince1970:0),
					  completionHandler:{ })

Documentation URL

SO | how-to-remove-cache-in-wkwebview

WKWebView Tips

github | WKWebViewTips

SwiftUI

struct ContentView: View {    
	var body: some View {        
	Button("Present SFSafariViewController") {            
		let vc = SFSafariViewController(
		url: URL(string: "https://sarunw.com"
		UIApplication.shared.firstKeyWindow?.rootViewController?.present(vc, animated: true)     
	}   
}}

extension UIApplication {    
	var firstKeyWindow: UIWindow? {     
	return UIApplication.shared.connectedScenes      
	.compactMap { $0 as? UIWindowScene }            
	.filter { $0.activationState == .foregroundActive }         
	.first?.keyWindow 
	}
}

sarunw | sfsafariviewcontroller-in-swiftui

Some nuances with SFSafariVC instantiation with Swift UI discussed here in the article, the suggestion is create a custom wrapper which will make it easier to manage it. Don't know if its still relevant or not since this is 4 yrs old now.