/** * @author [Tristan Valcke]{@link https://github.com/Itee} * @license [BSD-3-Clause]{@link https://opensource.org/licenses/BSD-3-Clause} * * @module sources/cores/voids/isDefined * @desc Export function to validate if a value is a defined or not * @example * * import { isDefined } from 'itee-validators' * * if( isDefined( value ) ) { * //... * } else { * //... * } * */ /** * Check if given data is not null and not undefined * * @param data {*} The data to check against the existence * @returns {boolean} true if data is not null and not undefined, false otherwise. */ export function isDefined ( data ) { return ( ( data !== null ) && ( typeof data !== 'undefined' ) ) } /** * Check if given data is null or undefined * * @param data {*} The data to check against the existence * @returns {boolean} true if data is null or undefined, false otherwise. */ export function isNotDefined ( data ) { return ( ( data === null ) || ( typeof data === 'undefined' ) ) }