Added support for hiding version warning in multiple versions

Co-authored-by: SaltyAimbOtter <40303883+SaltyAimbOtter@users.noreply.github.com>

docs/setup/setting-up-versioning.md

@@ -93,10 +93,25 @@ to `mkdocs.yml`:
 ``` yaml
 extra:
   version:
-    default: stable
+    default: stable # (1)!
 ```
 
-Make sure that this matches the [default version].
+1.  You can also define multiple aliases as the default version, e.g. `stable`
+    and `development`.
+
+    ``` yaml
+    extra:
+      version:
+        default:
+          - stable
+          - development
+    ```
+
+    Now every version that has the `stable` and `development` aliases will not
+    display the version warning.
+
+Make sure one alias matches the [default version], as this is where users are
+redirected to.
 
   [Version warning support]: https://github.com/squidfunk/mkdocs-material/releases/tag/8.0.0
   [theme extension]: ../customization.md#extending-the-theme

material/base.html

@@ -240,7 +240,7 @@
       </script>
     {% endblock %}
     {% block scripts %}
-      <script src="{{ 'assets/javascripts/bundle.055143c9.min.js' | url }}"></script>
+      <script src="{{ 'assets/javascripts/bundle.2a6f1dda.min.js' | url }}"></script>
       {% for path in config.extra_javascript %}
         <script src="{{ path | url }}"></script>
       {% endfor %}

src/assets/javascripts/integrations/version/index.ts

@@ -159,8 +159,16 @@ export function setupVersionSelector(
       /* Check if version state was already determined */
       let outdated = __md_get("__outdated", sessionStorage)
       if (outdated === null) {
-        const latest = config.version?.default || "latest"
-        outdated = !current.aliases.includes(latest)
+        outdated = true
+
+        /* Check if version is considered a default */
+        const ignored = [config.version?.default || ["latest"]].flat()
+        main: for (const ignore of ignored)
+          for (const alias of current.aliases)
+            if (new RegExp(ignore, "i").test(alias)) {
+              outdated = false
+              break main
+            }
 
         /* Persist version state in session storage */
         __md_set("__outdated", outdated, sessionStorage)