From 05f6f114bb302deef9609aceabd657ea630cf50b Mon Sep 17 00:00:00 2001
From: HaudinFlorence <haudin.florence@gmail.com>
Date: Wed, 18 Sep 2024 11:56:23 +0200
Subject: [PATCH] Add the include_tableofcontents traitlet and update the jinja
 template accordingly.

---
 nbconvert/exporters/templateexporter.py | 7 ++++---
 share/templates/lab/index.html.j2       | 2 ++
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/nbconvert/exporters/templateexporter.py b/nbconvert/exporters/templateexporter.py
index 0b8c27f41..6b1d66202 100644
--- a/nbconvert/exporters/templateexporter.py
+++ b/nbconvert/exporters/templateexporter.py
@@ -203,6 +203,10 @@ def default_config(self):
     enable_async = Bool(False, help="Enable Jinja async template execution").tag(
         affects_environment=True
     )
+    
+    include_tableofcontents = Bool(False, allow_none=True, help="Enable to include a table of contents").tag(
+       config=True, affects_template=True
+    )
 
     _last_template_file = ""
     _raw_template_key = "<memory>"
@@ -683,7 +687,4 @@ def _init_resources(self, resources):
         resources["include_tableofcontents"] = self.include_tableofcontents
         return resources
 
-    def include_tableofcontents(self):
-        return True
-        
         
diff --git a/share/templates/lab/index.html.j2 b/share/templates/lab/index.html.j2
index b69e7e976..f826b7b9f 100644
--- a/share/templates/lab/index.html.j2
+++ b/share/templates/lab/index.html.j2
@@ -177,6 +177,7 @@ a.anchor-link {
 {% endif %}
 <main>
 {%- block tableofcontents -%}
+{%- if resources.include_tableofcontents -%}
 <div class="jp-RenderedHTMLTOC-Title">Table of contents</div>
 {%- for item in resources.tableofcontents -%}
 {%- set (level, text, id, href) = item -%}
@@ -223,6 +224,7 @@ a.anchor-link {
 </div>
 {%- endif -%}
 {%- endfor -%}
+{%- endif -%}
 {% endblock tableofcontents %}
 {%- endblock body_header -%}