@newdash/newdash/isEmpty.d.ts

javascript/typescript utility library

/**
 * Checks if `value` is an empty object, collection, map, or set.
 *
 * Objects are considered empty if they have no own enumerable string keyed
 * properties.
 *
 * Array-like values such as `arguments` objects, arrays, buffers, strings, or
 * jQuery-like collections are considered empty if they have a `length` of `0`.
 * Similarly, maps and sets are considered empty if they have a `size` of `0`.
 *
 * heavy operation
 *
 * @since 5.5.0
 * @category Lang
 * @param value The value to check.
 * @returns Returns `true` if `value` is empty, else `false`.
 * @example
 *
 * ```js
 * isEmpty(null)
 * // => true
 *
 * isEmpty(true)
 * // => true
 *
 * isEmpty(1)
 * // => true
 *
 * isEmpty([1, 2, 3])
 * // => false
 *
 * isEmpty('abc')
 * // => false
 *
 * isEmpty({ 'a': 1 })
 * // => false
 * ```
 */
export declare function isEmpty(value?: any): boolean;
export default isEmpty;