mirror of https://github.com/jkjoy/sunpeiwen.git
48 lines
1.8 KiB
Markdown
48 lines
1.8 KiB
Markdown
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# requires-port
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[](http://unshift.io)[](http://browsenpm.org/package/requires-port)[](https://travis-ci.org/unshiftio/requires-port)[](https://david-dm.org/unshiftio/requires-port)[](https://coveralls.io/r/unshiftio/requires-port?branch=master)[](http://webchat.freenode.net/?channels=unshift)
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The module name says it all, check if a protocol requires a given port.
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## Installation
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This module is intended to be used with browserify or Node.js and is distributed
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in the public npm registry. To install it simply run the following command from
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your CLI:
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```j
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npm install --save requires-port
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```
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## Usage
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The module exports it self as function and requires 2 arguments:
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1. The port number, can be a string or number.
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2. Protocol, can be `http`, `http:` or even `https://yomoma.com`. We just split
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it at `:` and use the first result. We currently accept the following
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protocols:
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- `http`
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- `https`
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- `ws`
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- `wss`
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- `ftp`
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- `gopher`
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- `file`
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It returns a boolean that indicates if protocol requires this port to be added
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to your URL.
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```js
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'use strict';
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var required = require('requires-port');
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console.log(required('8080', 'http')) // true
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console.log(required('80', 'http')) // false
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```
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# License
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MIT
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