frontend: k8s: Add useClusterFromURLVar to get cluster

From the ?cluster= in a URL search paramater.

Signed-off-by: René Dudfield <[email protected]>

Author: illume

frontend/src/lib/k8s/index.ts

@@ -140,6 +140,17 @@ export function useClusterGroup(): string[] {
   return clusterGroup;
 }
 
+/**
+ * Use the cluster name from the URL query parameters if it's there.
+ *
+ * @returns the cluster name from the URL. If no cluster is defined in the URL, undefined is returned.
+ */
+export function useClusterFromURLVar(): string | undefined {
+  const location = useLocation();
+  const searchParams = new URLSearchParams(location.search);
+  return searchParams.get('cluster') || undefined;
+}
+
 export function getVersion(clusterName: string = ''): Promise<StringDict> {
   return clusterRequest('/version', { cluster: clusterName || getCluster() });
 }

frontend/src/plugin/__snapshots__/pluginLib.snapshot

@@ -363,6 +363,7 @@
       "default": [Function],
     },
     "useCluster": [Function],
+    "useClusterFromURLVar": [Function],
     "useClusterGroup": [Function],
     "useClustersConf": [Function],
     "useClustersVersion": [Function],