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1 | # requires-port
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2 |
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3 | [![Made by unshift](https://img.shields.io/badge/made%20by-unshift-00ffcc.svg?style=flat-square)](http://unshift.io)[![Version npm](http://img.shields.io/npm/v/requires-port.svg?style=flat-square)](http://browsenpm.org/package/requires-port)[![Build Status](http://img.shields.io/travis/unshiftio/requires-port/master.svg?style=flat-square)](https://travis-ci.org/unshiftio/requires-port)[![Dependencies](https://img.shields.io/david/unshiftio/requires-port.svg?style=flat-square)](https://david-dm.org/unshiftio/requires-port)[![Coverage Status](http://img.shields.io/coveralls/unshiftio/requires-port/master.svg?style=flat-square)](https://coveralls.io/r/unshiftio/requires-port?branch=master)[![IRC channel](http://img.shields.io/badge/IRC-irc.freenode.net%23unshift-00a8ff.svg?style=flat-square)](http://webchat.freenode.net/?channels=unshift)
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4 |
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5 | The module name says it all, check if a protocol requires a given port.
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6 |
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7 | ## Installation
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8 |
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9 | This module is intended to be used with browserify or Node.js and is distributed
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10 | in the public npm registry. To install it simply run the following command from
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11 | your CLI:
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12 |
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13 | ```j
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14 | npm install --save requires-port
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15 | ```
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16 |
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17 | ## Usage
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18 |
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19 | The module exports it self as function and requires 2 arguments:
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20 |
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21 | 1. The port number, can be a string or number.
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22 | 2. Protocol, can be `http`, `http:` or even `https://yomoma.com`. We just split
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23 | it at `:` and use the first result. We currently accept the following
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24 | protocols:
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25 | - `http`
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26 | - `https`
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27 | - `ws`
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28 | - `wss`
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29 | - `ftp`
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30 | - `gopher`
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31 | - `file`
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32 |
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33 | It returns a boolean that indicates if protocol requires this port to be added
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34 | to your URL.
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35 |
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36 | ```js
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37 | 'use strict';
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38 |
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39 | var required = require('requires-port');
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40 |
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41 | console.log(required('8080', 'http')) // true
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42 | console.log(required('80', 'http')) // false
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43 | ```
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44 |
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45 | # License
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46 |
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47 | MIT
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