gen-jhipster
Version:
Spring Boot + Angular/React/Vue in one handy generator
55 lines (54 loc) • 2.01 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.
*/
/**
* @private
* Filter Number
*
* @param {string} input - input to filter
* @param isSigned - flag indicating whether to check for signed number or not
* @param isDecimal - flag indicating whether to check for decimal number or not
* @returns {number} parsed number if valid input; <code>NaN</code> otherwise
*/
const filterNumber = (input, isSigned = false, isDecimal = false) => {
const signed = isSigned ? '(-|+)?' : '';
const decimal = isDecimal ? '(.[0-9]+)?' : '';
const regex = new RegExp(`^${signed}([0-9]+${decimal})$`);
if (regex.test(input))
return Number(input);
return NaN;
};
/**
* @private
* @param {any} input input
* @returns {boolean} true if input is number; false otherwise
*/
const isNumber = (input) => !isNaN(filterNumber(input));
/**
* @private
* @param {any} input input
* @returns {boolean} true if input is a signed number; false otherwise
*/
const isSignedNumber = (input) => !isNaN(filterNumber(input, true));
/**
* @private
* @param {any} input input
* @returns {boolean} true if input is a signed decimal number; false otherwise
*/
const isSignedDecimalNumber = (input) => !isNaN(filterNumber(input, true, true));
export { isNumber, isSignedNumber, isSignedDecimalNumber };