arrayize

Return input if it is an array, otherwise return input wrapped in an array. If input is null or undefined, return empty array.

Installation

npm install arrayize

Usage

var arrayize = require('arrayize');

// Empty array if passed undefined or null
arrayize();                     // => []
arrayize(null);                 // => []

// Original array if passed an array
arrayize([]);                   // => []
arrayize(['foo']);              // => [ 'foo' ]
arrayize(['foo','bar','baz']);  // => [ 'foo', 'bar', 'baz' ]

// Original value wrapped in an array if passed anything else
arrayize('foo');                // => [ 'foo' ]
arrayize(3);                    // => [ 3 ]
arrayize({foo:'bar'});          // => [ { foo: 'bar' } ]
arrayize(function() {});        // => [ [Function] ]
arrayize(new Date());           // => [ Wed Mar 05 2014 03:29:26 GMT-0800 (PST) ]
arrayize(/foo/);                // => [ /foo/ ]

Running tests

git clone http://github.com/tauren/arrayize
cd arrayize
npm install
npm test