A Node.js package that checks whether a given string is null or empty. A basic package for an npm publish tutorial.

First, install the package using npm:

npm install is-null-or-empty --save

Then, require the package and use it like so:

var isNullOrEmpty = require('is-null-or-empty');

console.log(isNullOrEmpty("")); // true
console.log(isNullOrEmpty(null)); // true
console.log(isNullOrEmpty(undefined)); // true

console.log(isNullOrEmpty("Hello World")); // false

Apache 2.0