Passes all test for WPT dom/nodes/Node-properties.htm

Documents created via DOMImplementation should not inherit the page.URL.

Add textContent for DocumentFragment

Fix creteElement for XML namespace when not explicitly specified

src/browser/webapi/DOMImplementation.zig

@@ -34,6 +34,7 @@ pub fn createDocumentType(_: *const DOMImplementation, qualified_name: []const u
 pub fn createHTMLDocument(_: *const DOMImplementation, title: ?[]const u8, page: *Page) !*Document {
     const document = (try page._factory.document(Node.Document.HTMLDocument{ ._proto = undefined })).asDocument();
     document._ready_state = .complete;
+    document._url = "about:blank";
 
     {
         const doctype = try page._factory.node(DocumentType{
@@ -67,6 +68,7 @@ pub fn createHTMLDocument(_: *const DOMImplementation, title: ?[]const u8, page:
 pub fn createDocument(_: *const DOMImplementation, namespace_: ?[]const u8, qualified_name: ?[]const u8, doctype: ?*DocumentType, page: *Page) !*Document {
     // Create XML Document
     const document = (try page._factory.document(Node.Document.XMLDocument{ ._proto = undefined })).asDocument();
+    document._url = "about:blank";
 
     // Append doctype if provided
     if (doctype) |dt| {

src/browser/webapi/Document.zig

@@ -44,6 +44,7 @@ const Document = @This();
 _type: Type,
 _proto: *Node,
 _location: ?*Location = null,
+_url: ?[:0]const u8 = null, // URL for documents created via DOMImplementation (about:blank)
 _ready_state: ReadyState = .loading,
 _current_script: ?*Element.Html.Script = null,
 _elements_by_id: std.StringHashMapUnmanaged(*Element) = .empty,
@@ -105,8 +106,8 @@ pub fn asEventTarget(self: *Document) *@import("EventTarget.zig") {
     return self._proto.asEventTarget();
 }
 
-pub fn getURL(_: *const Document, page: *const Page) [:0]const u8 {
-    return page.url;
+pub fn getURL(self: *const Document, page: *const Page) [:0]const u8 {
+    return self._url orelse page.url;
 }
 
 pub fn getContentType(self: *const Document) []const u8 {
@@ -131,8 +132,8 @@ pub fn createElement(self: *Document, name: []const u8, options_: ?CreateElement
         if (self._type == .html) {
             break :blk .{ .html, std.ascii.lowerString(&page.buf, name) };
         }
-        // Generic and XML documents create XML elements
-        break :blk .{ .xml, name };
+        // Generic and XML documents create elements with null namespace
+        break :blk .{ .null, name };
     };
     // HTML documents are case-insensitive - lowercase the tag name
 

src/browser/webapi/Node.zig

@@ -255,7 +255,7 @@ pub fn childNodes(self: *const Node, page: *Page) !*collections.ChildNodes {
 
 pub fn getTextContent(self: *Node, writer: *std.Io.Writer) error{WriteFailed}!void {
     switch (self._type) {
-        .element => {
+        .element, .document_fragment => {
             var it = self.childrenIterator();
             while (it.next()) |child| {
                 // ignore comments and processing instructions.
@@ -268,7 +268,6 @@ pub fn getTextContent(self: *Node, writer: *std.Io.Writer) error{WriteFailed}!vo
         .cdata => |c| try writer.writeAll(c.getData()),
         .document => {},
         .document_type => {},
-        .document_fragment => {},
         .attribute => |attr| try writer.writeAll(attr._value.str()),
     }
 }
@@ -912,16 +911,15 @@ pub const JsApi = struct {
     fn _textContext(self: *Node, page: *const Page) !?[]const u8 {
         // cdata and attributes can return value directly, avoiding the copy
         switch (self._type) {
-            .element => |el| {
+            .element, .document_fragment => {
                 var buf = std.Io.Writer.Allocating.init(page.call_arena);
-                try el.asNode().getTextContent(&buf.writer);
+                try self.getTextContent(&buf.writer);
                 return buf.written();
             },
             .cdata => |cdata| return cdata.getData(),
             .attribute => |attr| return attr._value.str(),
             .document => return null,
             .document_type => return null,
-            .document_fragment => return null,
         }
     }