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function-rate-limit

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  • License MIT

Limit the execution rate of any function

Package Exports

  • function-rate-limit

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (function-rate-limit) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

node-function-rate-limit

Limit the execution rate of any function.

install

with npm...

npm install function-rate-limit

or with git...

git clone git://github.com/wankdanker/node-function-rate-limit.git

api

###rateLimit(limitCount, limitInterval, function);

returns a rate limited function which should be called instead of the the function passed to rateLimit

  • limitCount - the number of times per limitInterval to limit execution of function
  • limitInterval - the duration of time during which to limit execution of function specified in ms
  • function - the function which should be rate limited

example

var rateLimit = require('funciton-rate-limit');

//limit to 1 execution per 1000ms
var fn = rateLimit(1, 1000, function (x) {
  console.log('%s - %s', new Date(), x);
});

for (var y = 0; y < 10; y++) {
  fn(y);
}

results in:

Mon Aug 27 2012 15:21:41 GMT-0400 (EDT) - 0
Mon Aug 27 2012 15:21:42 GMT-0400 (EDT) - 1
Mon Aug 27 2012 15:21:43 GMT-0400 (EDT) - 2
Mon Aug 27 2012 15:21:44 GMT-0400 (EDT) - 3
Mon Aug 27 2012 15:21:45 GMT-0400 (EDT) - 4
Mon Aug 27 2012 15:21:46 GMT-0400 (EDT) - 5
Mon Aug 27 2012 15:21:47 GMT-0400 (EDT) - 6
Mon Aug 27 2012 15:21:48 GMT-0400 (EDT) - 7
Mon Aug 27 2012 15:21:49 GMT-0400 (EDT) - 8
Mon Aug 27 2012 15:21:50 GMT-0400 (EDT) - 9

license

The MIT License (MIT)

Copyright (c) 2012 Daniel L. VerWeire

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.