From 01cc14714ec5faa435f94fde241690e78acfd725 Mon Sep 17 00:00:00 2001
From: Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
Date: Sun, 20 Aug 2023 00:41:55 +0200
Subject: [PATCH] LibWeb: Implement getting "inclusive ancestor navigables" of
 a document

---
 Userland/Libraries/LibWeb/DOM/Document.cpp | 13 +++++++++++++
 Userland/Libraries/LibWeb/DOM/Document.h   |  1 +
 2 files changed, 14 insertions(+)

diff --git a/Userland/Libraries/LibWeb/DOM/Document.cpp b/Userland/Libraries/LibWeb/DOM/Document.cpp
index 2b0969ef52..08b5a3d294 100644
--- a/Userland/Libraries/LibWeb/DOM/Document.cpp
+++ b/Userland/Libraries/LibWeb/DOM/Document.cpp
@@ -2584,6 +2584,19 @@ Vector<JS::Handle<HTML::Navigable>> Document::ancestor_navigables()
     return ancestors;
 }
 
+// https://html.spec.whatwg.org/multipage/document-sequences.html#inclusive-ancestor-navigables
+Vector<JS::Handle<HTML::Navigable>> Document::inclusive_ancestor_navigables()
+{
+    // 1. Let navigables be document's ancestor navigables.
+    auto navigables = ancestor_navigables();
+
+    // 2. Append document's node navigable to navigables.
+    navigables.append(*navigable());
+
+    // 3. Return navigables.
+    return navigables;
+}
+
 // https://html.spec.whatwg.org/multipage/browsers.html#list-of-the-descendant-browsing-contexts
 Vector<JS::Handle<HTML::BrowsingContext>> Document::list_of_descendant_browsing_contexts() const
 {
diff --git a/Userland/Libraries/LibWeb/DOM/Document.h b/Userland/Libraries/LibWeb/DOM/Document.h
index 59c9aa09ee..68a5bcc4cc 100644
--- a/Userland/Libraries/LibWeb/DOM/Document.h
+++ b/Userland/Libraries/LibWeb/DOM/Document.h
@@ -463,6 +463,7 @@ public:
     Vector<JS::Handle<HTML::Navigable>> descendant_navigables();
     Vector<JS::Handle<HTML::Navigable>> inclusive_descendant_navigables();
     Vector<JS::Handle<HTML::Navigable>> ancestor_navigables();
+    Vector<JS::Handle<HTML::Navigable>> inclusive_ancestor_navigables();
 
     void destroy();