From 7808d12de2fee23ddcfb43cf29ff5fa268a2046c Mon Sep 17 00:00:00 2001
From: Halil Durak <halildrk@gmail.com>
Date: Thu, 23 Oct 2025 13:30:39 +0300
Subject: [PATCH 1/2] add `URL.canParse` static method

---
 src/browser/url/url.zig | 12 ++++++++++++
 vendor/ada/root.zig     |  8 ++++++++
 2 files changed, 20 insertions(+)

diff --git a/src/browser/url/url.zig b/src/browser/url/url.zig
index 9229a23d..ee36b25c 100644
--- a/src/browser/url/url.zig
+++ b/src/browser/url/url.zig
@@ -132,6 +132,18 @@ pub const URL = struct {
         return ada.clearHash(self.internal);
     }
 
+    /// Returns a boolean indicating whether or not an absolute URL,
+    /// or a relative URL combined with a base URL, are parsable and valid.
+    pub fn static_canParse(url: ConstructorArg, maybe_base: ?ConstructorArg, page: *Page) !bool {
+        const url_str = try url.toString(page);
+
+        if (maybe_base) |base| {
+            return ada.canParseWithBase(url_str, try base.toString(page));
+        }
+
+        return ada.canParse(url_str);
+    }
+
     /// Alias to get_href.
     pub fn _toString(self: *const URL, page: *Page) ![]const u8 {
         return self.get_href(page);
diff --git a/vendor/ada/root.zig b/vendor/ada/root.zig
index da281068..1d43373d 100644
--- a/vendor/ada/root.zig
+++ b/vendor/ada/root.zig
@@ -33,6 +33,14 @@ pub fn parseWithBase(input: []const u8, base: []const u8) ParseError!URL {
     return url;
 }
 
+pub inline fn canParse(input: []const u8) bool {
+    return c.ada_can_parse(input.ptr, input.len);
+}
+
+pub inline fn canParseWithBase(input: []const u8, base: []const u8) bool {
+    return c.ada_can_parse_with_base(input.ptr, input.len, base.ptr, base.len);
+}
+
 pub inline fn getComponents(url: URL) *const URLComponents {
     return c.ada_get_components(url);
 }

From 2e6ec1e23b4274810aae260309274ae3b2d4f688 Mon Sep 17 00:00:00 2001
From: Halil Durak <halildrk@gmail.com>
Date: Thu, 23 Oct 2025 13:31:01 +0300
Subject: [PATCH 2/2] add `URL.canParse` test

---
 src/tests/url/url.html | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/tests/url/url.html b/src/tests/url/url.html
index 9083bdd1..ef770e46 100644
--- a/src/tests/url/url.html
+++ b/src/tests/url/url.html
@@ -99,3 +99,11 @@
     _ = new URL("://foo.bar/path?query#fragment");
   });
 </script>
+
+<script id=URL.canParse>
+  testing.expectEqual(true, URL.canParse("https://lightpanda.io"));
+  testing.expectEqual(false, URL.canParse("://lightpanda.io"));
+
+  testing.expectEqual(true, URL.canParse("/home", "https://lightpanda.io"));
+  testing.expectEqual(false, URL.canParse("lightpanda.io", "https"));
+</script>