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path: root/src/app/pipes/in.pipe.ts
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/*
 * 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');
    }
  }
}