[windows-x] Support OnDomReady, fix build

v2/internal/frontend/assetserver/assetserver_desktop.go

@@ -42,7 +42,7 @@ func NewDesktopAssetServer(ctx context.Context, assets embed.FS, bindingsJSON st
 
 	var buffer bytes.Buffer
 	buffer.WriteString(`window.wailsbindings='` + bindingsJSON + `';` + "\n")
-	buffer.Write(runtime.RuntimeJS)
+	buffer.Write(runtime.RuntimeDesktopJS)
 	result.runtimeJS = buffer.Bytes()
 	err := result.init(assets)
 	return result, err

v2/internal/frontend/desktop/windows/frontend.go

@@ -47,6 +47,8 @@ func (f *Frontend) WindowReload() {
 
 func (f *Frontend) Run(ctx context.Context) error {
 
+	f.ctx = context.WithValue(ctx, "frontend", f)
+
 	mainWindow := NewWindow(nil, f.frontendOptions)
 	f.mainWindow = mainWindow
 
@@ -77,8 +79,9 @@ func (f *Frontend) Run(ctx context.Context) error {
 
 	// TODO: Move this into a callback from frontend
 	go func() {
-		ctx := context.WithValue(ctx, "frontend", f)
-		f.frontendOptions.Startup(ctx)
+		if f.frontendOptions.OnStartup != nil {
+			f.frontendOptions.OnStartup(f.ctx)
+		}
 	}()
 
 	mainWindow.Run()
@@ -172,6 +175,7 @@ func (f *Frontend) setupChromium() {
 	chromium := edge.NewChromium()
 	chromium.MessageCallback = f.processMessage
 	chromium.WebResourceRequestedCallback = f.processRequest
+	chromium.NavigationCompletedCallback = f.navigationCompleted
 	chromium.Embed(f.mainWindow.Handle())
 	chromium.Resize()
 	settings, err := chromium.GetSettings()
@@ -296,6 +300,12 @@ func (f *Frontend) ExecJS(js string) {
 	})
 }
 
+func (f *Frontend) navigationCompleted(sender *edge.ICoreWebView2, args *edge.ICoreWebView2NavigationCompletedEventArgs) {
+	if f.frontendOptions.OnDomReady != nil {
+		f.frontendOptions.OnDomReady(f.ctx)
+	}
+}
+
 func NewFrontend(ctx context.Context, appoptions *options.App, myLogger *logger.Logger, appBindings *binding.Bindings, dispatcher frontend.Dispatcher) *Frontend {
 
 	result := &Frontend{

v2/internal/frontend/devserver/devserver.go

@@ -1,3 +1,5 @@
+//go:build dev
+
 package devserver
 
 import (