ratelimit

Simple rate limiting for node.js streams, capable of capping both read and write streams.

Install

npm install ratelimit

Usage

Basic

var ratelimit = require('ratelimit');
ratelimit(stream, bytesPerSecond);

To clear the limit

var ratelimit = require('ratelimit');
var limited = ratelimit(stream, bytesPerSecond);
// ...
limited.end();

Write limit

var ratelimit = require('ratelimit');
var limited = ratelimit(stream, bytesPerSecond);
limited.write('some data', 'utf8');
limited.write(new Buffer([1, 2, 3]));

HTTP (see examples/http for a more elaborate example)

var http = require('http')
  , ratelimit = require('ratelimit');

http.get('http://someplace.com/path/file.zip', function(res) {
  ratelimit(res, 65 * 1024);
  res.on('data', function(data) {
    // do whatever with data
  });
});

Other examples

See the tests for now.

Todo

• Test writable file streams.
• Examples (e.g. HTTP).