s3-stream-upload

A writable stream which uploads to Amazon S3 using the multipart file upload API.

Inspired by s3-upload-stream.

Install

npm install s3-stream-upload

Usage

1var UploadStream = require("s3-stream-upload");
2var S3 = require("aws-sdk").S3;
3
4var key = "file.mp3";
5var s3 = new S3();
6
7fs.readFileStream(__dirname + "/file.mp3")
8  .pipe(UploadStream(s3, { Bucket: "my-bucket", Key: key }))
9  .on("error", function (err) {
10    console.error(err);
11  })
12  .on("finish", function () {
13    console.log("File uploaded!");
14  });

API

UploadStream(s3, s3Config, config)

Creates and returns a WritableStream for uploading to S3. Takes an S3 instance, and a s3Config object, which takes the same options as S3.createMultipartUpload. Additional, non-S3 config options may be set on config, listed below:

• concurrent How many chunks can be sent to S3 concurrently. 1 by default.

Events

• chunk-uploaded - Emitted when a MPU chunk has been uploaded to S3, with the number of chunks uploaded at this point.
• All WritableStream events.

Properties

• bytesWritten - Like fs.WriteStream, bytes uploaded to S3 currently.

Testing

To run unit tests, run:

npm test

License

MIT License, Copyright (c) 2014 Jordan Santell