1 files changed, 36 insertions, 0 deletions
diff --git a/src/app/pipes/in.pipe.ts b/src/app/pipes/in.pipe.ts
new file mode 100644
index 0000000..df6e8cc
--- /dev/null
+++ b/src/app/pipes/in.pipe.ts
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2022. Deutsche Telekom AG
+ *
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+
+import { Pipe, PipeTransform } from '@angular/core';
+
+@Pipe({
+  name: 'in',
+})
+export class InPipe implements PipeTransform {
+  transform(value: string, array: string[] | Set<any>): boolean {
+    if (array instanceof Array) {
+      return array.includes(value);
+    }
+    if (array instanceof Set) {
+      return array.has(value);
+    } else {
+      throw new Error('unsupported type');
+    }
+  }
+}