Added support to open blank page

pkg/stdlib/html/driver/dynamic/document.go

@@ -21,6 +21,8 @@ import (
 	"time"
 )
 
+const BlankPageUrl = "about:blank"
+
 type HtmlDocument struct {
 	sync.Mutex
 	logger  *zerolog.Logger
@@ -78,10 +80,12 @@ func LoadHtmlDocument(
 		return nil, err
 	}
 
-	err = waitForLoadEvent(ctx, client)
+	if url != BlankPageUrl {
+		err = waitForLoadEvent(ctx, client)
 
-	if err != nil {
-		return nil, err
+		if err != nil {
+			return nil, err
+		}
 	}
 
 	root, innerHtml, err := getRootElement(client)
@@ -637,6 +641,10 @@ func (doc *HtmlDocument) WaitForNavigation(timeout values.Int) error {
 }
 
 func (doc *HtmlDocument) Navigate(url values.String) error {
+	if url == "" {
+		url = BlankPageUrl
+	}
+
 	ctx := context.Background()
 	repl, err := doc.client.Page.Navigate(ctx, page.NewNavigateArgs(url.String()))
 
@@ -648,5 +656,5 @@ func (doc *HtmlDocument) Navigate(url values.String) error {
 		return errors.New(*repl.ErrorText)
 	}
 
-	return waitForLoadEvent(ctx, doc.client)
+	return doc.WaitForNavigation(5000)
 }

pkg/stdlib/html/driver/dynamic/dynamic.go

@@ -38,6 +38,10 @@ func (drv *Driver) GetDocument(ctx context.Context, url string) (values.HtmlNode
 	ctx, cancel := context.WithTimeout(ctx, DefaultTimeout)
 	defer cancel()
 
+	if url == "" {
+		url = BlankPageUrl
+	}
+
 	// Create a new target belonging to the browser context, similar
 	// to opening a new tab in an incognito window.
 	createTargetArgs := target.NewCreateTargetArgs(url).SetBrowserContextID(drv.contextID)

pkg/stdlib/html/driver/dynamic/element.go

@@ -297,7 +297,7 @@ func (el *HtmlElement) GetChildNode(idx values.Int) core.Value {
 
 func (el *HtmlElement) QuerySelector(selector values.String) core.Value {
 	if !el.IsConnected() {
-		return values.NewArray(0)
+		return values.None
 	}
 
 	ctx := context.Background()