m9ve website code outsidr

website/utils.ts

@@ -0,0 +1,28 @@
+/**
+ *  Copyright (c) 2025 taskylizard. Apache License 2.0.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+export function groupBy<T, K extends keyof any>(
+  arr: T[],
+  key: (i: T) => K
+): Record<K, T[]> {
+  return arr.reduce(
+    (groups, item) => {
+      // biome-ignore lint/suspicious/noAssignInExpressions: <explanation>
+      ;(groups[key(item)] ||= []).push(item)
+      return groups
+    },
+    {} as Record<K, T[]>
+  )
+}