webapi: move tag category logic to Tag enum

src/SemanticTree.zig

@@ -79,10 +79,8 @@ fn getXPathSegment(self: @This(), node: *Node) ![]const u8 {
 fn dump(self: Self, node: *Node, jw: *std.json.Stringify, parent_xpath: []const u8) !void {
     // 1. Skip non-content nodes
     if (node.is(Element)) |el| {
-        switch (el.getTag()) {
-            .script, .style, .meta, .link, .noscript, .svg, .head, .title => return,
-            else => {},
-        }
+        const tag = el.getTag();
+        if (tag.isMetadata() or tag == .svg) return;
 
         // CSS display: none visibility check (inline style only for now)
         if (el.getAttributeSafe(comptime lp.String.wrap("style"))) |style| {
@@ -118,9 +116,7 @@ fn dump(self: Self, node: *Node, jw: *std.json.Stringify, parent_xpath: []const
         node_name = el.getTagNameLower();
 
         const ax_role = std.meta.stringToEnum(AXNode.AXRole, role) orelse .none;
-        if (ax_role.isInteractive()) {
-            is_interactive = true;
-        }
+        is_interactive = ax_role.isInteractive();
 
         const event_target = node.asEventTarget();
         if (self.page._event_manager.hasListener(event_target, "click") or

src/browser/markdown.zig

@@ -47,13 +47,6 @@ const State = struct {
     last_char_was_newline: bool = true,
 };
 
-fn isBlock(tag: Element.Tag) bool {
-    return switch (tag) {
-        .p, .div, .section, .article, .main, .header, .footer, .nav, .aside, .h1, .h2, .h3, .h4, .h5, .h6, .ul, .ol, .blockquote, .pre, .table, .hr => true,
-        else => false,
-    };
-}
-
 fn shouldAddSpacing(tag: Element.Tag) bool {
     return switch (tag) {
         .p, .h1, .h2, .h3, .h4, .h5, .h6, .blockquote, .pre, .table => true,
@@ -100,10 +93,8 @@ fn isSignificantText(node: *Node) bool {
 }
 
 fn isVisibleElement(el: *Element) bool {
-    return switch (el.getTag()) {
-        .script, .style, .noscript, .template, .head, .meta, .link, .title, .svg => false,
-        else => true,
-    };
+    const tag = el.getTag();
+    return !tag.isMetadata() and tag != .svg;
 }
 
 fn getAnchorLabel(el: *Element) ?[]const u8 {
@@ -113,7 +104,7 @@ fn getAnchorLabel(el: *Element) ?[]const u8 {
 fn hasBlockDescendant(root: *Node) bool {
     var tw = TreeWalker.FullExcludeSelf.Elements.init(root, .{});
     while (tw.next()) |el| {
-        if (isBlock(el.getTag())) return true;
+        if (el.getTag().isBlock()) return true;
     }
     return false;
 }
@@ -187,7 +178,7 @@ fn renderElement(el: *Element, state: *State, writer: *std.Io.Writer, page: *Pag
     // --- Opening Tag Logic ---
 
     // Ensure block elements start on a new line (double newline for paragraphs etc)
-    if (isBlock(tag) and !state.in_table) {
+    if (tag.isBlock() and !state.in_table) {
         try ensureNewline(state, writer);
         if (shouldAddSpacing(tag)) {
             try writer.writeByte('\n');
@@ -426,7 +417,7 @@ fn renderElement(el: *Element, state: *State, writer: *std.Io.Writer, page: *Pag
     }
 
     // Post-block newlines
-    if (isBlock(tag) and !state.in_table) {
+    if (tag.isBlock() and !state.in_table) {
         try ensureNewline(state, writer);
     }
 }

src/browser/webapi/Element.zig

@@ -1588,6 +1588,50 @@ pub const Tag = enum {
             else => tag,
         };
     }
+
+    pub fn isBlock(self: Tag) bool {
+        return switch (self) {
+            .p,
+            .div,
+            .section,
+            .article,
+            .main,
+            .header,
+            .footer,
+            .nav,
+            .aside,
+            .h1,
+            .h2,
+            .h3,
+            .h4,
+            .h5,
+            .h6,
+            .ul,
+            .ol,
+            .blockquote,
+            .pre,
+            .table,
+            .hr,
+            => true,
+            else => false,
+        };
+    }
+
+    pub fn isMetadata(self: Tag) bool {
+        return switch (self) {
+            .script,
+            .style,
+            .meta,
+            .link,
+            .noscript,
+            .head,
+            .title,
+            .base,
+            .template,
+            => true,
+            else => false,
+        };
+    }
 };
 
 pub const JsApi = struct {