parallel-download v1.1.1

DEPRECATED

Use Promise.all or smart promise queues like p-queue instead. Please, let me known if you want to take this package name.

parallel-download

Download files in parallel to the buffer

install

npm i parallel-download

features

• work with super small http library simple-get
• work with ES6
• supports nodejs >=4
• Promise instead of callbacks
• extremely small size (< 100 lines of code)

usage

const pd = require('parallel-download');

pd(['http://example.com/one', 'http://example.com/two'])
	.then(res => {/* ... */})

API

• pd(url [, opts])

param url (String|ArrayString|Object|ArrayObject)

Url/config or array of urls/configs. Available options:

• all options of simple-get
• timeout - download timeout in ms, default 60s
• retries - redownload on error, default 1
• followErrors - don't catch errors. Attention! All pending requests will not aborted!

param opts (Object)

shared config, has a low priority

pd({url:"http://example.com/", timeout: 5e3}, {timeout:10e3})
	.then(/* ... */);
// timeout is 5e3

return res (Promise)

This promise always resolved. Promise contains an array of IncomingMessage instances with additional fields:

• url (string) - original request url (for identify each request)
• content (Buffer) - ungzipped (if need) response (or you can use res.pipe)

Resolved array contain fields:

• error (ArrayError)

Each error object contain fields:

• all standart fields
• url (string) - original request url (for identify each request)
• response (IncomingMessage) - original server response

Breaking changes between 0.3 and 1.0

• 100% rewrited
• removed queue mode and maxSize, tryTimeout, stream options.

License

MIT, 2015 (c) Dmitry Tsvettsikh