fix: handle pages without aliases to prevent infinite loops

docs/CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## 1.1.3
+
+- Fix: Handle pages without monorepo aliases to prevent infinite loop and crashes
+
 ## 1.1.2
 
 - Dropped official support for Python 3.8
@@ -15,117 +19,117 @@
 
 ## 1.1.0
 
--   Dropped official support for Python 3.7
--   Added official support for Python 3.12
--   Replaced deprecated package `distutils` [#118](https://github.com/backstage/mkdocs-monorepo-plugin/pull/118) courtesy of @PauloASilva and @piotr1212
+- Dropped official support for Python 3.7
+- Added official support for Python 3.12
+- Replaced deprecated package `distutils` [#118](https://github.com/backstage/mkdocs-monorepo-plugin/pull/118) courtesy of @PauloASilva and @piotr1212
 
 ## 1.0.4
 
--   Resolve a bug that prevented this plugin from working with mkdocs >= v1.4.0
+- Resolve a bug that prevented this plugin from working with mkdocs >= v1.4.0
 
 ## 1.0.3
 
--   Allow no specification for both ´nav´ and ´docs_dir´
+- Allow no specification for both ´nav´ and ´docs_dir´
 
 ## 1.0.2
 
--   Fixed edit URLs to use realpath of pages
+- Fixed edit URLs to use realpath of pages
 
 ## 1.0.1
 
--   Fixed edit URLs for included pages
+- Fixed edit URLs for included pages
 
 ## 1.0.0
 
--   This package has been promoted to v1.0!
+- This package has been promoted to v1.0!
 
 > **Note:** Going forward, this package will follow [semver](https://semver.org/#semantic-versioning-200) conventions.
 
 ## 0.5.3
 
--   Don't run on_serve if on_config was skipped
+- Don't run on_serve if on_config was skipped
 
 ## 0.5.2
 
--   Add support for wildcard include statement
+- Add support for wildcard include statement
 
 ## 0.5.1
 
--   Fix `No module named 'slugify'` error when installing in mkdocs environments.
+- Fix `No module named 'slugify'` error when installing in mkdocs environments.
 
 ## 0.5.0
 
--   Allow `mkdocs.yaml` in addition to `mkdocs.yml`
--   Drops support for Python 3.5 (because the minimum `mkdocs` version which
+- Allow `mkdocs.yaml` in addition to `mkdocs.yml`
+- Drops support for Python 3.5 (because the minimum `mkdocs` version which
   supports the above feature no longer supports it).
 
 ## 0.4.18
 
--   Allow inclusion of sub-docs `mkdocs.yml` even if its name isn't URL-friendly.
+- Allow inclusion of sub-docs `mkdocs.yml` even if its name isn't URL-friendly.
   Works by slugifying non-URL friendly names. (#58)
 
 ## 0.4.17
 
--   Fixed bug where URLs in an included `mkdocs.yml` were prefixed by the `site_name` and thus did not support absolute URLs.
+- Fixed bug where URLs in an included `mkdocs.yml` were prefixed by the `site_name` and thus did not support absolute URLs.
 
 ## 0.4.16
 
--   Fix `mkdocs serve` incompatibility when running with mkdocs >= 1.2
+- Fix `mkdocs serve` incompatibility when running with mkdocs >= 1.2
 
 ## 0.4.15
 
--   Allow automatic `nav` generation if `docs_dir` is specified in the sub-docs `mkdocs.yml` file (#35)
+- Allow automatic `nav` generation if `docs_dir` is specified in the sub-docs `mkdocs.yml` file (#35)
 
 ## 0.4.14
 
--   Now respects the `docs_dir` config in `mkdocs.yml` (#44)
+- Now respects the `docs_dir` config in `mkdocs.yml` (#44)
 
 ## 0.4.13
 
--   Allow other plugins to manipulate the source directory (#42)
+- Allow other plugins to manipulate the source directory (#42)
 
 ## 0.4.12
 
--   Allow any config file name and not just `mkdocs.yml` (#36)
+- Allow any config file name and not just `mkdocs.yml` (#36)
 
 ## 0.4.11
 
--   Moved repository to the Backstage organization
+- Moved repository to the Backstage organization
 
 ## 0.4.10
 
--   New fix for previous issue which doesn't break when site_name contains a slash
+- New fix for previous issue which doesn't break when site_name contains a slash
 
 ## 0.4.9
 
--   Fix issue using plugin on Windows when site_name contains slash
+- Fix issue using plugin on Windows when site_name contains slash
 
 ## 0.4.8
 
--   Dropped support for Python 3.4 in `setup.py`
+- Dropped support for Python 3.4 in `setup.py`
 
 ## 0.4.6
 
--   Fixes [compatibility issue with `mkdocs-git-revision-date-localized-plugin`](https://github.com/backstage/mkdocs-monorepo-plugin/issues/12)
+- Fixes [compatibility issue with `mkdocs-git-revision-date-localized-plugin`](https://github.com/backstage/mkdocs-monorepo-plugin/issues/12)
 
 ## 0.4.5
 
--   Bumped up `mkdocs` to 1.1.1 and added compatibility (gh-16)
+- Bumped up `mkdocs` to 1.1.1 and added compatibility (gh-16)
 
 ## 0.4.4
 
--   Bumped up `mkdocs` to 1.1 and `mkdocs-material` to 5.1.0
+- Bumped up `mkdocs` to 1.1 and `mkdocs-material` to 5.1.0
 
 ## 0.4.3
 
--   Fixed bug with trailing slash in Windows ([#9](https://github.com/backstage/mkdocs-monorepo-plugin/pull/9))
--   Fixed bug with README
+- Fixed bug with trailing slash in Windows ([#9](https://github.com/backstage/mkdocs-monorepo-plugin/pull/9))
+- Fixed bug with README
 
 ## 0.4.1
 
--   Fixed bug with root `docs/` folder not working with livereload
--   Fixed bug with `mkdocs.yml` in subfolders not working with livereload
+- Fixed bug with root `docs/` folder not working with livereload
+- Fixed bug with `mkdocs.yml` in subfolders not working with livereload
 
 ## 0.4.0
 
--   Initial release.
+- Initial release.

mkdocs_monorepo_plugin/edit_uri.py

@@ -32,11 +32,15 @@ def __get_root_docs_dir(self):
 
     def __get_page_dir_alias(self):
         parts = self.page.url.split("/")
-        while True:
+        while parts:
             parts.pop()
-            alias = path.join(*parts)
+            if not parts:
+                alias = ""
+            else:
+                alias = path.join(*parts)
             if alias in self.plugin.aliases:
                 return alias
+        return None
 
     def __get_page_docs_dir(self):
         alias = self.__get_page_dir_alias()

setup.py

@@ -2,7 +2,7 @@
 
 setuptools.setup(
     name="mkdocs-monorepo-plugin",
-    version="1.1.2",
+    version="1.1.3",
     description="Plugin for adding monorepository support in Mkdocs.",
     long_description="""
         This introduces support for the !include syntax in mkdocs.yml, allowing you to import additional Mkdocs navigation.