| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| |
| function _parseId(id) { |
| return id.replace(/[^\d|\.]/g, '').split('.').map(function (i) {return parseInt(i, 10);}); |
| } |
| |
| const flatten = (list) => list.reduce((a, b) => a.concat(Array.isArray(b) ? flatten(b) : b), []); |
| |
| module.exports = { |
| /** |
| * |
| * @param arr {Array} |
| * @param id |
| * @return result {Array} |
| */ |
| uniqObjectsbyId: function (arr, id) { |
| var result = []; |
| arr.forEach(function (item) { |
| var isIdPresent = result.someProperty(id, item[id]); |
| if (!isIdPresent) { |
| result.pushObject(item); |
| } |
| }); |
| return result; |
| }, |
| |
| |
| /** |
| * intersect two arrays and return the common values |
| * |
| * @param {Array} arr1 - first array |
| * @param {Array} arr2 - second array |
| * @return {Array} intersection - the intersection of arr1 and arr2 |
| */ |
| intersect: function (arr1, arr2) { |
| var intersection = []; |
| var shortest = arr1.length >= arr2.length ? arr2 : arr1; |
| var longest = arr1.length >= arr2.length ? arr1 : arr2; |
| |
| shortest.forEach(function (entry) { |
| longest.indexOf(entry) > -1 ? intersection.push(entry) : null; |
| }); |
| |
| return intersection; |
| }, |
| |
| /** |
| * Callback for sorting models with `id`-property equal to something like version number: 'HDP-1.2.3', '4.2.52' etc |
| * |
| * @param {{id: string}} obj1 |
| * @param {{id: string}} obj2 |
| * @returns {number} |
| */ |
| sortByIdAsVersion: function (obj1, obj2) { |
| var id1 = _parseId(Em.get(obj1, 'id')); |
| var id2 = _parseId(Em.get(obj2, 'id')); |
| var lId1 = id1.length; |
| var lId2 = id2.length; |
| var limit = lId1 > lId2 ? lId2 : lId1; |
| for (var i = 0; i < limit; i++) { |
| if (id1[i] > id2[i]) { |
| return 1; |
| } |
| if (id1[i] < id2[i]) { |
| return -1; |
| } |
| } |
| if (lId1 === lId2) { |
| return 0 |
| } |
| return lId1 > lId2 ? 1 : -1; |
| }, |
| |
| flatten |
| |
| }; |