gen-jhipster
Version:
Spring Boot + Angular/React/Vue in one handy generator
87 lines (86 loc) • 3 kB
JavaScript
/**
* Copyright 2013-2024 the original author or authors from the JHipster project.
*
* This file is part of the JHipster project, see https://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
*
* https://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.
*/
const filterNullishValues = value => value !== undefined && value !== null;
/**
* Copy and remove null and undefined values
* @param object
* @returns
*/
export function removeFieldsWithNullishValues(object) {
return filterValue(object, filterNullishValues);
}
/**
* Copy and remove null and undefined values
* @param object
* @returns
*/
function filterValue(object, filterValue = filterNullishValues) {
const clone = {};
for (const [key, value] of Object.entries(object)) {
if (filterValue(value)) {
if (typeof value === 'object') {
if (Array.isArray(value)) {
clone[key] = value.filter(filterValue);
}
else {
clone[key] = removeFieldsWithNullishValues(value);
}
}
else {
clone[key] = value;
}
}
}
return clone;
}
/**
* Picks every field from source.
* A field with undefined value is returned for missing fields.
*/
export const pickFields = (source, fields) => Object.fromEntries(fields.map(field => [field, source[field]]));
/**
* Mutation properties accepts:
* - functions: receives the application and the return value is set at the application property.
* - non functions: application property will receive the property in case current value is undefined.
*
* Applies each mutation object in order.
*
* @example
* // application = { prop: 'foo-bar', prop2: 'foo2' }
* mutateData(
* data,
* { prop: 'foo', prop2: ({ prop }) => prop + 2 },
* { prop: ({ prop }) => prop + '-bar', prop2: 'won\'t override' },
* );
*/
export const mutateData = (context, ...mutations) => {
for (const mutation of mutations) {
const override = mutation.__override__;
for (const [key, value] of Object.entries(mutation).filter(([key]) => key !== '__override__')) {
if (typeof value === 'function') {
if (override !== false || context[key] === undefined) {
context[key] = value(context);
}
}
else if (context[key] === undefined || override === true) {
context[key] = value;
}
}
}
};