empty-php/dist/empty.d.ts

Exact replica of the PHP empty function in for JavaScript and TypeScript

import type { EmptyArray, EmptyBoolean, EmptyNumber, EmptyObject, EmptyString, Undefined } from "./types";
/**
 * Determines if a boolean is empty
 * @param value The value to determine if empty
 * @returns true if the value is empty, false otherwise
 * @see https://www.php.net/manual/en/function.empty.php
 */
export declare function empty(value?: boolean | Undefined): value is EmptyBoolean;
/**
 * Determines if a string is empty
 * @param value The value to determine if empty
 * @returns true if the value is empty, false otherwise
 * @see https://www.php.net/manual/en/function.empty.php
 */
export declare function empty(value?: string | Undefined): value is EmptyString;
/**
 * Determines if a number is empty
 * @param value The value to determine if empty
 * @returns true if the value is empty, false otherwise
 * @see https://www.php.net/manual/en/function.empty.php
 */
export declare function empty(value?: number | Undefined): value is EmptyNumber;
/**
 * Determines if an array is empty
 * @param value The value to determine if empty
 * @returns true if the value is empty, false otherwise
 * @see https://www.php.net/manual/en/function.empty.php
 */
export declare function empty(value?: unknown[] | Undefined): value is EmptyArray;
/**
 * Determines if a complex object is empty
 * @param value The value to determine if empty
 * @returns true if the value is empty, false otherwise
 * @see https://www.php.net/manual/en/function.empty.php
 */
export declare function empty<T extends object>(value?: T | Undefined): value is Undefined;
/**
 * Determines if an object is empty
 * @param value The value to determine if empty
 * @returns true if the value is empty, false otherwise
 * @see https://www.php.net/manual/en/function.empty.php
 */
export declare function empty(value?: object | Undefined): value is EmptyObject;