Merge pull request #1081 from lightpanda-io/nikneym/link-rel

Add `rel` property to `HTMLLinkElement`

Author: karlseguin

src/browser/html/elements.zig

@@ -757,13 +757,21 @@ pub const HTMLLinkElement = struct {
     pub const prototype = *HTMLElement;
     pub const subtype = .node;
 
+    pub fn get_rel(self: *parser.Link) ![]const u8 {
+        return parser.linkGetRel(self);
+    }
+
+    pub fn set_rel(self: *parser.Link, rel: []const u8) !void {
+        return parser.linkSetRel(self, rel);
+    }
+
     pub fn get_href(self: *parser.Link) ![]const u8 {
-        return try parser.linkGetHref(self);
+        return parser.linkGetHref(self);
     }
 
     pub fn set_href(self: *parser.Link, href: []const u8, page: *const Page) !void {
         const full = try urlStitch(page.call_arena, href, page.url.raw, .{});
-        return try parser.linkSetHref(self, full);
+        return parser.linkSetHref(self, full);
     }
 };
 

src/browser/netsurf.zig

@@ -1934,6 +1934,19 @@ pub fn anchorSetRel(a: *Anchor, rel: []const u8) !void {
 
 // HTMLLinkElement
 
+pub fn linkGetRel(link: *Link) ![]const u8 {
+    var res: ?*String = null;
+    const err = c.dom_html_link_element_get_rel(link, &res);
+    try DOMErr(err);
+    if (res == null) return "";
+    return strToData(res.?);
+}
+
+pub fn linkSetRel(link: *Link, rel: []const u8) !void {
+    const err = c.dom_html_link_element_set_rel(link, try strFromData(rel));
+    return DOMErr(err);
+}
+
 pub fn linkGetHref(link: *Link) ![]const u8 {
     var res: ?*String = null;
     const err = c.dom_html_link_element_get_href(link, &res);

src/tests/dom/element.html

@@ -280,3 +280,12 @@
   divElement.dir = "auto";
   testing.expectEqual("auto", divElement.dir);
 </script>
+
+<script id=linkRel>
+  const linkElement = document.createElement("link");
+  // A newly created link element must have it's rel set to empty string.
+  testing.expectEqual("", linkElement.rel);
+
+  linkElement.rel = "stylesheet";
+  testing.expectEqual("stylesheet", linkElement.rel);
+</script>