From 61b1b79f95686e651ac9177a9025f6ad261a7f2e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sergio=20Mart=C3=ADnez=20Portela?=
 <sergio@codigoparallevar.com>
Date: Wed, 26 Apr 2023 23:52:49 +0200
Subject: [PATCH] Don't draw tables of contents with <2 elements.

---
 scripts/generate.py | 21 ++++++++++++++++-----
 1 file changed, 16 insertions(+), 5 deletions(-)
diff --git a/scripts/generate.py b/scripts/generate.py
index c3365c1..a6d0c3b 100644
--- a/scripts/generate.py
+++ b/scripts/generate.py
@@ -675,11 +675,16 @@ def render_as_document(headline, doc, headlineLevel, graph, title):
         return as_document(render(headline, doc, graph=graph, headlineLevel=headlineLevel), title, render_toc(doc))
 
 def render_toc(doc):
-    acc = ['<ul>']
+    acc = ['<ul class="toc">']
     for headline in doc.getTopHeadlines():
         render_toc_headline(headline, acc)
 
     acc.append('</ul>')
+
+    if sum([chunk == '<li>' for chunk in acc]) < 2:
+        # If < 2 headlines, ignore it
+        return None
+
     return ''.join(acc)
 
 def render_toc_headline(headline, acc):
@@ -767,6 +772,15 @@ def render(headline, doc, graph, headlineLevel):
 
 
 def as_document(html, title, global_toc):
+    if global_toc is None:
+        toc_section = ""
+    else:
+        toc_section = f"""
+            <div class="global-table-of-contents">
+          <h2>Table of contents</h2>
+          {global_toc}
+        </div>
+        """
     return f"""<!DOCTYPE html>
 <html>
   <head>
@@ -798,10 +812,7 @@ def as_document(html, title, global_toc):
       <h1><a href="./index.html">Código para llevar [Notes]</a></h1>
       <input type="text" id="searchbox" disabled="true" placeholder="Search (requires JS)" />
     </nav>
-    <div class="global-table-of-contents">
-      <h2>Table of contents</h2>
-      {global_toc}
-    </div>
+    {toc_section}
     {html}
 
     <script src="../static/search-box.js"></script>
