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object_utils.js
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object_utils.js
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/**
* Copyright 2013-2018 the original author or authors from the JHipster project.
*
* This file is part of the JHipster project, see http://www.jhipster.tech/
* for more information.
*
* 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.
*/
module.exports = {
merge,
areEntitiesEqual
};
/**
* Merge two objects.
* The order is important here: o1.merge(o2) means that the keys values of o2
* will replace those identical to o1.
* The keys that don't belong to the other object will be added.
* @param object1 the object whose properties might be overridden by object2.
* @param object2 the object to be merged with.
* @returns {Object} the object result of the merge
*/
function merge(object1, object2) {
if (!object1 || Object.keys(object1).length === 0) {
return object2;
}
if (!object2 || Object.keys(object2).length === 0) {
return object1;
}
return {
...object1,
...object2
};
}
function removeEntriesWithUndefinedValue(entity) {
Object.keys(entity).forEach(key => {
if (entity[key] === undefined) {
delete entity[key];
}
});
}
function areEntitiesEqual(firstEntity, secondEntity) {
removeEntriesWithUndefinedValue(firstEntity);
removeEntriesWithUndefinedValue(secondEntity);
if (
firstEntity.fields.length !== secondEntity.fields.length ||
firstEntity.relationships.length !== secondEntity.relationships.length ||
firstEntity.javadoc !== secondEntity.javadoc ||
firstEntity.entityTableName !== secondEntity.entityTableName ||
Object.keys(firstEntity).length !== Object.keys(secondEntity).length
) {
return false;
}
return (
areFieldsEqual(firstEntity.fields, secondEntity.fields) &&
areRelationshipsEqual(firstEntity.relationships, secondEntity.relationships) &&
areOptionsTheSame(firstEntity, secondEntity)
);
}
function areFieldsEqual(firstFields, secondFields) {
return firstFields.every((field, index) => {
if (Object.keys(field).length !== Object.keys(secondFields[index]).length) {
return false;
}
const secondEntityField = secondFields[index];
return Object.keys(field).every(key => {
if (field[key].constructor === Array) {
return field[key].toString() === secondEntityField[key].toString();
}
return field[key] === secondEntityField[key];
});
});
}
function areRelationshipsEqual(firstRelationships, secondRelationships) {
return firstRelationships.every((relationship, index) => {
if (Object.keys(relationship).length !== Object.keys(secondRelationships[index]).length) {
return false;
}
const secondEntityRelationship = secondRelationships[index];
return Object.keys(relationship).every(key => relationship[key] === secondEntityRelationship[key]);
});
}
function areOptionsTheSame(firstEntity, secondEntity) {
if (firstEntity.jpaMetamodelFiltering === 'no') {
firstEntity.jpaMetamodelFiltering = false;
}
if (secondEntity.jpaMetamodelFiltering === 'no') {
secondEntity.jpaMetamodelFiltering = false;
}
return (
firstEntity.dto === secondEntity.dto &&
firstEntity.pagination === secondEntity.pagination &&
firstEntity.service === secondEntity.service &&
firstEntity.searchEngine === secondEntity.searchEngine &&
firstEntity.jpaMetamodelFiltering === secondEntity.jpaMetamodelFiltering
);
}