43 lines
		
	
	
		
			664 B
		
	
	
	
		
			Markdown
		
	
	
	
	
	
			
		
		
	
	
			43 lines
		
	
	
		
			664 B
		
	
	
	
		
			Markdown
		
	
	
	
	
	
| # is-stream [](https://travis-ci.org/sindresorhus/is-stream)
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| 
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| > Check if something is a [Node.js stream](https://nodejs.org/api/stream.html)
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| 
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| 
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| ## Install
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| 
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| ```
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| $ npm install --save is-stream
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| ```
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| 
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| 
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| ## Usage
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| 
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| ```js
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| const fs = require('fs');
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| const isStream = require('is-stream');
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| 
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| isStream(fs.createReadStream('unicorn.png'));
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| //=> true
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| 
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| isStream({});
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| //=> false
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| ```
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| 
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| 
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| ## API
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| 
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| ### isStream(stream)
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| 
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| #### isStream.writable(stream)
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| 
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| #### isStream.readable(stream)
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| 
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| #### isStream.duplex(stream)
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| 
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| #### isStream.transform(stream)
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| 
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| 
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| ## License
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| 
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| MIT © [Sindre Sorhus](https://sindresorhus.com)
 |