| 1 | /*
|
| 2 | * Licensed to Cloudkick, Inc ('Cloudkick') under one or more
|
| 3 | * contributor license agreements. See the NOTICE file distributed with
|
| 4 | * this work for additional information regarding copyright ownership.
|
| 5 | * Cloudkick licenses this file to You under the Apache License, Version 2.0
|
| 6 | * (the "License"); you may not use this file except in compliance with
|
| 7 | * the License. You may obtain a copy of the License at
|
| 8 | *
|
| 9 | * http://www.apache.org/licenses/LICENSE-2.0
|
| 10 | *
|
| 11 | * Unless required by applicable law or agreed to in writing, software
|
| 12 | * distributed under the License is distributed on an "AS IS" BASIS,
|
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| 14 | * See the License for the specific language governing permissions and
|
| 15 | * limitations under the License.
|
| 16 | */
|
| 17 |
|
| 18 | function getSnapshot(scope) {
|
| 19 | var snapshot = {};
|
| 20 |
|
| 21 | for (var item in scope) {
|
| 22 | snapshot[item] = true;
|
| 23 | }
|
| 24 |
|
| 25 | return snapshot;
|
| 26 | }
|
| 27 |
|
| 28 | function getDifferences(scopeSnapshot1, scopeSnapshot2) {
|
| 29 | var diff = [];
|
| 30 |
|
| 31 | for (var item in scopeSnapshot2) {
|
| 32 | if (scopeSnapshot1[item] === undefined) {
|
| 33 | diff.push(item);
|
| 34 | }
|
| 35 | }
|
| 36 |
|
| 37 | return diff;
|
| 38 | }
|
| 39 |
|
| 40 | exports.getSnapshot = getSnapshot;
|
| 41 | exports.getDifferences = getDifferences;
|