Bugfix for small, 1-page projects (#52)

If there are no toctree elements, no deeper node-walk is performed anymore. Fixes #51
jbms · Mar 24, 2022 · 943c447 · 943c447
1 parent 246036d
commit 943c447
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/sphinx_immaterial/nav_adapt.py b/sphinx_immaterial/nav_adapt.py
@@ -172,7 +172,10 @@ def _get_mkdocs_toc(
 ) -> List[MkdocsNavEntry]:
     """Converts a docutils toc node into a mkdocs-format JSON toc."""
     visitor = _TocVisitor(sphinx.util.docutils.new_document(""), builder)
-    toc_node.walk(visitor)
+
+    # toc_node can be None for projects with no toctree or 1 rst-file only.
+    if toc_node is not None:
+        toc_node.walk(visitor)
     return visitor._children