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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* Copyright (C) 2017 Huawei Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
import { Pipe, PipeTransform } from '@angular/core';
@Pipe({name: 'orderBy'})
export class OrderByPipe implements PipeTransform {
transform(records: Array<any>, args?: any): any {
if (!records || !args.path) { return records; }
let len = args.path.length;
return records.sort((itemIdx1, itemIdx2) => {
var i = 0;
while (i < len) { itemIdx1 = itemIdx1[args.path[i]]; itemIdx2 = itemIdx2[args.path[i]]; i++; }
// Order * (-1): We change our order
return itemIdx1 + "" > itemIdx2 + "" ? args.direction : args.direction * (- 1);
})
};
}
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