1 files changed, 15 insertions, 0 deletions
diff --git a/src/lib/is-active.ts b/src/lib/is-active.ts
new file mode 100644
index 0000000..f931065
--- /dev/null
+++ b/src/lib/is-active.ts
@@ -0,0 +1,15 @@
+export function isActive(
+  url: string,
+  pathname: string,
+  nested = true,
+): boolean {
+  const normalizedUrl = url.endsWith('/') ? url.slice(0, -1) : url;
+  const normalizedPathname = pathname.endsWith('/')
+    ? pathname.slice(0, -1)
+    : pathname;
+
+  return (
+    normalizedUrl === normalizedPathname ||
+    (nested && normalizedPathname.startsWith(`${normalizedUrl}/`))
+  );
+}