/**
* @author [Tristan Valcke]{@link https://github.com/Itee}
* @license [BSD-3-Clause]{@link https://opensource.org/licenses/BSD-3-Clause}
*
* @module sources/cores/voids/isEmpty
* @desc Export function to validate if a value could be considered as empty
* @example
*
* import { isEmpty } from 'itee-validators'
*
* if( isEmpty( value ) ) {
* //...
* } else {
* //...
* }
*
*/
import { isEmptyArray } from '../arrays/isEmptyArray'
import { isEmptyObject } from '../objects/isEmptyObject'
import { isEmptyString } from '../strings/isEmptyString'
import { isNotDefined } from './isDefined'
/**
* Check emptiness of given data
*
* See: https://stackoverflow.com/questions/4346186/how-to-determine-if-a-function-is-empty
*
* @param data {*} The data to check against the emptiness
* @returns {boolean} true if data is considered as empty, false otherwise.
*/
export function isEmpty ( data ) {
if ( isNotDefined( data ) ) { return false }
if ( isEmptyString( data ) ) { return true}
if ( isEmptyArray( data ) ) { return true }
if ( isEmptyObject( data ) ) { return true }
return false
}
/**
* Check fullness of given data
*
* @param data {*} The data to check against the emptiness
* @returns {boolean} true if data is considered as not empty, false otherwise.
*/
export function isNotEmpty ( data ) {
return !isEmpty( data )
}