WKWebView Configure.

WKWebView.swift

private func configWebView() {
        guard webView == nil else { return }
        
        let config = WKWebViewConfiguration()
        config.userContentController.add(WebKitLeakAvoider(delegate: self), name: CashfeedWebUtil.JavaScriptMessage.getPost)
        config.userContentController.add(WebKitLeakAvoider(delegate: self), name: CashfeedWebUtil.JavaScriptMessage.getUserInfo)
        config.userContentController.add(WebKitLeakAvoider(delegate: self), name: CashfeedWebUtil.JavaScriptMessage.getDeviceInfo)
        config.setURLSchemeHandler(UploadWKSchemeHandler(), forURLScheme: PreviewViewModel.uploadURLScheme)
        config.allowsInlineMediaPlayback = true
        config.mediaTypesRequiringUserActionForPlayback = .audio
        
        webView = WKWebView(frame: view.bounds, configuration: config)
        webView.scrollView.bounces = false
        webView.scrollView.alwaysBounceVertical = false
        webView.translatesAutoresizingMaskIntoConstraints = false
        webView.isOpaque = false
        webView.backgroundColor = .white
        view.addSubview(webView)
  
        NSLayoutConstraint
            .activate([webView.topAnchor.constraint(equalTo: view.safeAreaLayoutGuide.topAnchor),
                       webView.leadingAnchor.constraint(equalTo: view.leadingAnchor),
                       webView.trailingAnchor.constraint(equalTo: view.trailingAnchor),
                       webView.bottomAnchor.constraint(equalTo: view.bottomAnchor)])
        
        previewViewModel.webRequest()
    }