source: trip-planner-front/node_modules/is-stream/readme.md

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1# is-stream [![Build Status](https://travis-ci.org/sindresorhus/is-stream.svg?branch=master)](https://travis-ci.org/sindresorhus/is-stream)
2
3> Check if something is a [Node.js stream](https://nodejs.org/api/stream.html)
4
5
6## Install
7
8```
9$ npm install --save is-stream
10```
11
12
13## Usage
14
15```js
16const fs = require('fs');
17const isStream = require('is-stream');
18
19isStream(fs.createReadStream('unicorn.png'));
20//=> true
21
22isStream({});
23//=> false
24```
25
26
27## API
28
29### isStream(stream)
30
31#### isStream.writable(stream)
32
33#### isStream.readable(stream)
34
35#### isStream.duplex(stream)
36
37#### isStream.transform(stream)
38
39
40## License
41
42MIT © [Sindre Sorhus](https://sindresorhus.com)
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