mirror of
https://github.com/deployphp/action.git
synced 2024-11-30 07:19:03 +00:00
58 lines
1.3 KiB
Markdown
58 lines
1.3 KiB
Markdown
|
# is-stream [](https://travis-ci.org/sindresorhus/is-stream)
|
||
|
|
|
||
|
|
> Check if something is a [Node.js stream](https://nodejs.org/api/stream.html)
|
||
|
|
|
||
|
|
|
||
|
|
## Install
|
||
|
|
|
||
|
|
```
|
||
|
|
$ npm install is-stream
|
||
|
|
```
|
||
|
|
|
||
|
|
|
||
|
|
## Usage
|
||
|
|
|
||
|
|
```js
|
||
|
|
const fs = require('fs');
|
||
|
|
const isStream = require('is-stream');
|
||
|
|
|
||
|
|
isStream(fs.createReadStream('unicorn.png'));
|
||
|
|
//=> true
|
||
|
|
|
||
|
|
isStream({});
|
||
|
|
//=> false
|
||
|
|
```
|
||
|
|
|
||
|
|
|
||
|
|
## API
|
||
|
|
|
||
|
|
### isStream(stream)
|
||
|
|
|
||
|
|
Returns a `boolean` for whether it's a [`Stream`](https://nodejs.org/api/stream.html#stream_stream).
|
||
|
|
|
||
|
|
#### isStream.writable(stream)
|
||
|
|
|
||
|
|
Returns a `boolean` for whether it's a [`stream.Writable`](https://nodejs.org/api/stream.html#stream_class_stream_writable).
|
||
|
|
|
||
|
|
#### isStream.readable(stream)
|
||
|
|
|
||
|
|
Returns a `boolean` for whether it's a [`stream.Readable`](https://nodejs.org/api/stream.html#stream_class_stream_readable).
|
||
|
|
|
||
|
|
#### isStream.duplex(stream)
|
||
|
|
|
||
|
|
Returns a `boolean` for whether it's a [`stream.Duplex`](https://nodejs.org/api/stream.html#stream_class_stream_duplex).
|
||
|
|
|
||
|
|
#### isStream.transform(stream)
|
||
|
|
|
||
|
|
Returns a `boolean` for whether it's a [`stream.Transform`](https://nodejs.org/api/stream.html#stream_class_stream_transform).
|
||
|
|
|
||
|
|
|
||
|
|
## Related
|
||
|
|
|
||
|
|
- [is-file-stream](https://github.com/jamestalmage/is-file-stream) - Detect if a stream is a file stream
|
||
|
|
|
||
|
|
|
||
|
|
## License
|
||
|
|
|
||
|
|
MIT © [Sindre Sorhus](https://sindresorhus.com)
|