https://github.com/goto-bus-stop/from2-blob

Create a readable stream from a Blob object with backpressure
https://github.com/goto-bus-stop/from2-blob

Last synced: 27 days ago
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Create a readable stream from a Blob object with backpressure

• Host: GitHub
• URL: https://github.com/goto-bus-stop/from2-blob
• Owner: goto-bus-stop
• License: mit
• Created: 2017-08-05T06:51:41.000Z (over 7 years ago)
• Default Branch: master
• Last Pushed: 2021-05-01T11:04:59.000Z (over 3 years ago)
• Last Synced: 2024-10-05T16:25:44.426Z (about 1 month ago)
• Language: JavaScript
• Size: 16.6 KB
• Stars: 2
• Watchers: 2
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: readme.md
  • License: LICENSE

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README

        
# from2-blob

Create a readable stream from a Blob with [`from2`](https://github.com/hughsk/from2).

## Install

```bash

npm install from2-blob

```

## Usage

```js

var fromBlob = require('from2-blob')

var toBlob = require('stream-to-blob')

var zlib = require('zlib')

fileInput.onchange = function () {

  var stream = fromBlob(fileInput.files[0])

    .pipe(zlib.createDeflate())

  toBlob(stream, function (err, blob) {

    if (err) throw err

    window.open( URL.createObjectURL(blob) )

  })

}

```

## API

### `fromBlob(blob: Blob): Readable`

Create a readable stream that will stream appropriately sized chunks of the given Blob.

## Related

 - [from2](https://github.com/hughsk/from2) - Convenience wrapper for ReadableStream, with an API lifted from "from" and "through2"

 - [from2-array](https://github.com/binocarlos/from2-array) - Create a from2 stream based on an array of source values

 - [from2-buffer](https://github.com/goto-bus-stop/from2-buffer) - Create a readable stream from a Buffer with from2

 - [from2-string](https://github.com/yoshuawuyts/from2-string) - Create a stream from a string. Sugary wrapper around from2

## License

[MIT](./LICENSE)