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/*
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017-2021 AT&T 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=========================================================
*/
var deepDiffMapper = function() {
return {
VALUE_CREATED: 'created',
VALUE_UPDATED: 'updated',
VALUE_DELETED: 'deleted',
VALUE_UNCHANGED: 'unchanged',
map: function(obj1, obj2) {
if (this.isFunction(obj1) || this.isFunction(obj2)) {
throw 'Invalid argument. Function given, object expected.';
}
if (this.isValue(obj1) || this.isValue(obj2)) {
return {
type: this.compareValues(obj1, obj2),
data: (obj1 === undefined) ? obj2 : obj1
};
}
var diff = {};
for (var key in obj1) {
if (this.isFunction(obj1[key])) {
continue;
}
var value2 = undefined;
if ('undefined' != typeof(obj2[key])) {
value2 = obj2[key];
}
diff[key] = this.map(obj1[key], value2);
}
for (var key in obj2) {
if (this.isFunction(obj2[key]) || ('undefined' != typeof(diff[key]))) {
continue;
}
diff[key] = this.map(undefined, obj2[key]);
}
return diff;
},
compareValues: function(value1, value2) {
if (value1 === value2) {
return this.VALUE_UNCHANGED;
}
if (this.isDate(value1) && this.isDate(value2) && value1.getTime() === value2.getTime()) {
return this.VALUE_UNCHANGED;
}
if ('undefined' == typeof(value1)) {
return this.VALUE_CREATED;
}
if ('undefined' == typeof(value2)) {
return this.VALUE_DELETED;
}
return this.VALUE_UPDATED;
},
isFunction: function(obj) {
return {}.toString.apply(obj) === '[object Function]';
},
isArray: function(obj) {
return {}.toString.apply(obj) === '[object Array]';
},
isObject: function(obj) {
return {}.toString.apply(obj) === '[object Object]';
},
isDate: function(obj) {
return {}.toString.apply(obj) === '[object Date]';
},
isValue: function(obj) {
return !this.isObject(obj) && !this.isArray(obj);
}
}
}();
export default deepDiffMapper;
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