Bernt
6de2455917
- Added GLOBAL_MARKETS_TITLE to all translation files - Updated footer with 12 markets (4 active + 8 upcoming) - Translated market section to: zh-cn, zh-tw, ja, ko, th, vi, id, ms, hi - Built and deployed to production - CloudFront invalidation: I3RTMXVFDJXWLG3SYX208OP1CC
61 lines
1.6 KiB
Markdown
61 lines
1.6 KiB
Markdown
# 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
|
|
|
|
---
|
|
|
|
<div align="center">
|
|
<b>
|
|
<a href="https://tidelift.com/subscription/pkg/npm-is-stream?utm_source=npm-is-stream&utm_medium=referral&utm_campaign=readme">Get professional support for this package with a Tidelift subscription</a>
|
|
</b>
|
|
<br>
|
|
<sub>
|
|
Tidelift helps make open source sustainable for maintainers while giving companies<br>assurances about security, maintenance, and licensing for their dependencies.
|
|
</sub>
|
|
</div>
|