Parallel HTTP requests library for JavaScript

Question

I'd like to make number of http requests in parallel; with either one error response or a number of them. Having done that myself a few times (with just a loop & counter), I'd like to use one that is more robust, and will handle edge cases.

Do you know if there's a library / micro-framework out there that will do this? One, to which I can provide a number of URLs, a success callback method (for each), a single error callback; and possibly other options. This library would follow 301s, call the err-cb if any or all requests time-out or fail.

@Diodeus it absolutely is (unless configured to be sync, of course); and because it is, handling 10/20 of these requests, their individual errors and time-outs is tedious and error-prone. That's why I'm asking whether there's a library or utility that already does that. — Yuriy Nemtsov
– Yuriy Nemtsov, Commented Jul 18, 2011 at 22:53

Yuriy Nemtsov · Accepted Answer · 2011-07-19 07:25:20Z

2

Use one of the flow-control libraries:

edited Jul 19, 2011 at 7:25

answered Jul 18, 2011 at 22:45

Yuriy Nemtsov

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Yuriy Nemtsov Over a year ago

"Step". I selected the simplest one that did the job. By simplest I mean: fewest loc to implement the requirements above, and the smallest set of features in the lib itself. "Step" won.

Alfred · Accepted Answer · 2011-07-18 22:37:34Z

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Node.js does have maxSockets. I think this library might come close to your requirements => https://github.com/SaltwaterC/http-get?

answered Jul 18, 2011 at 22:37

Alfred

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2 Comments

Yuriy Nemtsov Over a year ago

http-get looks interesting. I didn't find a way to have a single err for 'n' number of requests in it though. Also, I wish maxSockets wasn't global; but that's a different topic.

Alfred Over a year ago

@Yuriy or maybe request => github.com/mikeal/request,which also is very popular.. I think coding these requirements should not be to hard to accomplish... But I also think you should search search.npmjs.org and github.com/ry/node/wiki/modules. That are just two modules. request is the most popular one and the other in my question has recently had a commit...

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