iftype

iftype
==========

[![Build Status][bd_travis_shield_url]][bd_travis_url]
[![npm Version][bd_npm_shield_url]][bd_npm_url]
[![JS Standard][bd_standard_shield_url]][bd_standard_url]

[bd_repo_url]: https://github.com/okunishinishi/node-iftype
[bd_travis_url]: http://travis-ci.org/okunishinishi/node-iftype
[bd_travis_shield_url]: http://img.shields.io/travis/okunishinishi/node-iftype.svg?style=flat
[bd_travis_com_url]: http://travis-ci.com/okunishinishi/node-iftype
[bd_travis_com_shield_url]: https://api.travis-ci.com/okunishinishi/node-iftype.svg?token=
[bd_license_url]: https://github.com/okunishinishi/node-iftype/blob/master/LICENSE
[bd_codeclimate_url]: http://codeclimate.com/github/okunishinishi/node-iftype
[bd_codeclimate_shield_url]: http://img.shields.io/codeclimate/github/okunishinishi/node-iftype.svg?style=flat
[bd_codeclimate_coverage_shield_url]: http://img.shields.io/codeclimate/coverage/github/okunishinishi/node-iftype.svg?style=flat
[bd_gemnasium_url]: https://gemnasium.com/okunishinishi/node-iftype
[bd_gemnasium_shield_url]: https://gemnasium.com/okunishinishi/node-iftype.svg
[bd_npm_url]: http://www.npmjs.org/package/iftype
[bd_npm_shield_url]: http://img.shields.io/npm/v/iftype.svg?style=flat
[bd_standard_url]: http://standardjs.com/
[bd_standard_shield_url]: https://img.shields.io/badge/code%20style-standard-brightgreen.svg

Check types

Installation
-----

``bash
$ npm install iftype --save
`

Usage
---------

`javascript
'use strict'

const iftype = require('iftype')

function CustomType(){
}

//----------------------------
// Check if type is 'string'
//----------------------------
iftype(123).is('string') // => false
iftype(function foo(){}).is('string') // => false
iftype(new CustomType()).is('string') // => false
iftype(["foo", "bar"]).is('string') // => false
iftype("bar").is('string') // => true
iftype(null).is('string') // => false
iftype(undefined).is('string') // => false


//----------------------------
// Check if type is 'number'
//----------------------------
iftype(123).is('number') // => true
iftype(function foo(){}).is('number') // => false
iftype(new CustomType()).is('number') // => false
iftype(["foo", "bar"]).is('number') // => false
iftype("bar").is('number') // => false
iftype(null).is('number') // => false
iftype(undefined).is('number') // => false


//----------------------------
// Check if type is 'object'
//----------------------------
iftype(123).is('object') // => false
iftype(function foo(){}).is('object') // => false
iftype(new CustomType()).is('object') // => true
iftype(["foo", "bar"]).is('object') // => true
iftype("bar").is('object') // => false
iftype(null).is('object') // => false
iftype(undefined).is('object') // => false


//----------------------------
// Check if type is 'array'
//----------------------------
iftype(123).is('array') // => false
iftype(function foo(){}).is('array') // => false
iftype(new CustomType()).is('array') // => false
iftype(["foo", "bar"]).is('array') // => true
iftype("bar").is('array') // => false
iftype(null).is('array') // => false
iftype(undefined).is('array') // => false


//----------------------------
// Check if type is 'function'
//----------------------------
iftype(123).is('function') // => false
iftype(function foo(){}).is('function') // => true
iftype(new CustomType()).is('function') // => false
iftype(["foo", "bar"]).is('function') // => false
iftype("bar").is('function') // => false
iftype(null).is('function') // => false
iftype(undefined).is('function') // => false


//----------------------------
// Check if type is CustomType
//----------------------------
iftype(123).is(CustomType) // => false
iftype(function foo(){}).is(CustomType) // => false
iftype(new CustomType()).is(CustomType) // => true
iftype(["foo", "bar"]).is(CustomType) // => false
iftype("bar").is(CustomType) // => false
iftype(null).is(CustomType) // => false
iftype(undefined).is(CustomType) // => false

``

API
----

| Signature | Description |
| --- | --- |
| iftype(val).is(type) | Check if type match. |
| iftype(val).isString() | Check if string. |
| iftype(val).isNumber() | Check if number. |
| iftype(val).isObject() | Check if object. |
| iftype(val).isArray() | Check if array. |
| iftype.is(type, val) | Check if type match. |
| iftype.isString(val) | Check if string. |
| iftype.isNumber(val) | Check if number. |
| iftype.isObject(val) | Check if object. |
| iftype.isArray(val) | Check if array. |

License
-------
This software is released under the MIT License.

Links
------