node: add normalize method (NO TEST)

Signed-off-by: Francis Bouvier <francis.bouvier@gmail.com>

src/dom/node.zig

@@ -169,6 +169,10 @@ pub const Node = struct {
         return parser.nodeIsEqualNode(self, other);
     }
 
+    pub fn _normalize(self: *parser.Node) void {
+        return parser.nodeNormalize(self);
+    }
+
     pub fn _removeChild(self: *parser.Node, child: *parser.Node) Union {
         const res = parser.nodeRemoveChild(self, child);
         return Node.toInterface(res);
@@ -349,6 +353,12 @@ pub fn testExecFn(
     };
     try checkCases(js_env, &node_is_equal_node);
 
+    var node_normalize = [_]Case{
+        // TODO: no test
+        .{ .src = "link.normalize()", .ex = "undefined" },
+    };
+    try checkCases(js_env, &node_normalize);
+
     var node_remove_child = [_]Case{
         .{ .src = "content.removeChild(append) !== undefined", .ex = "true" },
         .{ .src = "content.lastChild.__proto__.constructor.name !== 'HTMLHeadingElement'", .ex = "true" },

src/netsurf.zig

@@ -377,6 +377,10 @@ pub fn nodeIsEqualNode(node: *Node, other: *Node) bool {
     return res;
 }
 
+pub fn nodeNormalize(node: *Node) void {
+    _ = nodeVtable(node).dom_node_normalize.?(node);
+}
+
 pub fn nodeRemoveChild(node: *Node, child: *Node) *Node {
     var res: ?*Node = undefined;
     _ = nodeVtable(node).dom_node_remove_child.?(node, child, &res);