private async Task InitializeAsync()

in tools/Graph Explorer/GraphExplorer/MainWindow.xaml.cs [101:179]
58 lines of code
3 McCabe index (conditional complexity)

        private async Task InitializeAsync()
        {
            // Make sure everything is set up before doing anything with the browser
            await this.Browser.EnsureCoreWebView2Async(null);
            await this.TextBrowser.EnsureCoreWebView2Async(null);

            this.CypherEditor.SyntaxHighlighting = AvalonSourceEditor.LoadHighlightDefinition("SocratexGraphExplorer.Resources.Cypher-mode.xshd", typeof(MainWindow).Assembly);

            // Set up a function to call when the user clicks on something in the graph browser.
            Browser.WebMessageReceived += async (object sender, CoreWebView2WebMessageReceivedEventArgs args) =>
            {
                string message = args.WebMessageAsJson;
                // The payload will be empty if the user clicked in the empty space
                // it will be {edge: id} if an edge is selected
                // it will be {node: id) if a node is selected
                //var item = System.Text.Json.JsonSerializer.Deserialize<ClickedItem>(message);

                var e = Newtonsoft.Json.Linq.JObject.Parse(message);

                if (e.ContainsKey("nodeId"))
                {
                    var id = e["nodeId"].ToObject<long>();

                    var cypher = "MATCH (c) where id(c) = $id return c limit 1";
                    this.ViewModel.SelectedNode = id;
                    var nodeResult = await this.model.ExecuteCypherAsync(cypher, new Dictionary<string, object>() { { "id", id } });
                    this.ViewModel.UpdatePropertyListView(nodeResult);

                }
                else if (e.ContainsKey("edgeId"))
                {
                    var id = e["edgeId"].ToObject<long>();

                    var cypher = "MATCH (c) -[r]- (d) where id(r) = $id return r limit 1";
                    this.ViewModel.SelectedEdge = id;
                    var edgeResult = await this.model.ExecuteCypherAsync(cypher, new Dictionary<string, object>() { { "id", id } });
                    this.ViewModel.UpdatePropertyListView(edgeResult);
                }
                else
                {
                    // blank space selected
                }
            };

            this.Browser.SizeChanged += async (object sender, SizeChangedEventArgs e) =>
            {
                var browser = sender as WebView2;
                //await browser.EnsureCoreWebView2Async();
                await this.ViewModel.SetGraphSizeAsync(browser);
            };

            this.Browser.NavigationCompleted += Browser_NavigationCompleted;
            // The debugger does not work in Edge if the source does not come from a file.
            // Load the script into a temporary file, and use that file in the URI that
            // the debugger loads.
            this.Browser.Source = this.model.ScriptUri;

            this.TextBrowser.NavigateToString(@"<html>
    <head>
        <style>
            html, body, .container {
                height: 100%;
            }
            .container {
                font-size: 24;
                color: lightgray;
                display: flex;
                align-items: center;
                justify-content: center;
            }
        </style>
    </head>
    <body class='container'>
        Welcome to the Graph Explorer
    </body>
</html>");
            this.ViewModel.GraphModeSelected = false;
            this.ViewModel.TextModeSelected = true;
        }