pick-random-stream
Uniformly pick a random value from a stream
npm install pick-random-stream
Usage
var random = require('pick-random-stream')
someStream.pipe(random()).on('data', function (data) {
console.log('current random element is', data)
})The random value will be chosen with propability 1/n
where n is the total number of elements in the stream
For example to pick a random node module on npm you can do
var JSONStream = require('JSONStream')
var request = require('request')
var random = require('pick-random-stream')
request('http://node-modules.com/modules.json')
.pipe(JSONStream.parse('*'))
.pipe(random())
.on('data', function (module) {
console.log('current random module is', module)
})License
MIT