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+/*
+============LICENSE_START==========================================
+===================================================================
+Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+===================================================================
+
+Unless otherwise specified, all software contained herein is licensed
+under the Apache License, Version 2.0 (the License);
+you may not use this software 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.
+
+ECOMP is a trademark and service mark of AT&T Intellectual Property.
+============LICENSE_END============================================
+*/
+
+
+import {Pipe, PipeTransform} from '@angular/core';
+
+@Pipe({name: 'orderBy'})
+export class OrderBy implements PipeTransform {
+
+ transform(array, orderBy, asc = true) {
+
+ if (!orderBy || orderBy.trim() == '') {
+ return array;
+ }
+
+ //ascending
+ if (asc) {
+ return Array
+ .from(array)
+ .sort((item1: any, item2: any) => {
+ return this.orderByComparator(item1[orderBy], item2[orderBy]);
+ });
+ } else {
+ //not asc
+ return Array
+ .from(array)
+ .sort((item1: any, item2: any) => {
+ return this.orderByComparator(item2[orderBy], item1[orderBy]);
+ });
+ }
+
+ }
+
+ orderByComparator(a: any, b: any): number {
+ if (a != undefined && b != undefined) {
+ if ((isNaN(parseFloat(a)) || !isFinite(a)) || (isNaN(parseFloat(b)) || !isFinite(b))) {
+ // Isn't a number so lowercase the string to properly compare
+ if (a.toLowerCase() < b.toLowerCase())
+ return -1;
+ if (a.toLowerCase() > b.toLowerCase())
+ return 1;
+ }
+ else {
+ //Parse strings as numbers to compare properly
+ if (parseFloat(a) < parseFloat(b))
+ return -1;
+ if (parseFloat(a) > parseFloat(b))
+ return 1;
+ }
+ } else {
+ if (a == undefined) {
+ return -1;
+ } else {
+ return 1;
+ }
+ }
+
+
+ return 0; //equal each other
+ }
+} \ No newline at end of file