dom: add element.HasAttributes

src/dom/element.zig

@@ -27,6 +27,10 @@ pub const Element = struct {
         return try parser.elementLocalName(self);
     }
 
+    pub fn _hasAttributes(self: *parser.Element) !bool {
+        return try parser.nodeHasAttributes(parser.elementToNode(self));
+    }
+
     pub fn _getAttribute(self: *parser.Element, qname: []const u8) !?[]const u8 {
         return try parser.elementGetAttribute(self, qname);
     }
@@ -84,6 +88,7 @@ pub fn testExecFn(
 ) !void {
     var attribute = [_]Case{
         .{ .src = "let a = document.getElementById('content')", .ex = "undefined" },
+        .{ .src = "a.hasAttributes()", .ex = "true" },
         .{ .src = "a.getAttribute('id')", .ex = "content" },
 
         .{ .src = "a.hasAttribute('foo')", .ex = "false" },

src/netsurf.zig

@@ -630,6 +630,13 @@ pub fn nodeReplaceChild(node: *Node, new_child: *Node, old_child: *Node) !*Node
     return res.?;
 }
 
+pub fn nodeHasAttributes(node: *Node) !bool {
+    var res: bool = undefined;
+    const err = nodeVtable(node).dom_node_has_attributes.?(node, &res);
+    try DOMErr(err);
+    return res;
+}
+
 // nodeToElement is an helper to convert a node to an element.
 pub inline fn nodeToElement(node: *Node) *Element {
     return @as(*Element, @ptrCast(node));