lodash.isempty

What is lodash.isempty?

The lodash.isempty package is a utility function that checks if a value is empty. It can handle various types of values including objects, arrays, strings, and more. This package is part of the Lodash library, which is a popular utility library for JavaScript.

What are lodash.isempty's main functionalities?

Check if an object is empty

This feature allows you to check if an object is empty. An empty object has no enumerable properties.

const isEmpty = require('lodash.isempty');
const obj = {};
console.log(isEmpty(obj)); // true

Check if an array is empty

This feature allows you to check if an array is empty. An empty array has no elements.

const isEmpty = require('lodash.isempty');
const arr = [];
console.log(isEmpty(arr)); // true

Check if a string is empty

This feature allows you to check if a string is empty. An empty string has no characters.

const isEmpty = require('lodash.isempty');
const str = '';
console.log(isEmpty(str)); // true

Check if a value is null or undefined

This feature allows you to check if a value is null or undefined, which are considered empty.

const isEmpty = require('lodash.isempty');
const value = null;
console.log(isEmpty(value)); // true

Other packages similar to lodash.isempty

is-empty

The is-empty package is a simple utility to check if a value is empty. It supports objects, arrays, strings, and other types. Compared to lodash.isempty, it is a more lightweight solution with fewer dependencies.

empty-value

The empty-value package provides a function to check if a value is empty. It supports a wide range of types including objects, arrays, strings, and more. It is similar to lodash.isempty but focuses solely on checking for emptiness without the additional utilities provided by Lodash.

README

lodash.isempty v4.3.1

The lodash method _.isEmpty exported as a Node.js module.

Installation

Using npm:

$ {sudo -H} npm i -g npm
$ npm i --save lodash.isempty

In Node.js:

var isEmpty = require('lodash.isempty');

See the documentation or package source for more details.