zeit/async-throttle

Name: async-throttle

Owner: ZEIT

Description: Throttling made simple, easy, async.

Created: 2016-09-30 19:19:33.0

Updated: 2018-05-15 01:00:31.0

Pushed: 2017-10-30 13:02:24.0

Homepage:

Size: 16

Language: JavaScript

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README

async-throttle

Note: this project has been deprecated in favor of the smaller, more efficient and more zeit/async-sema. This project works and is well-tested, but we no longer favor it at ZEIT.

Throttling made simple, easy, async.

How to use

This example fetches the <title> tag of the supplied websites, but it processes a maximum of two at a time.

eps
t fetch = require('node-fetch')
t createThrottle = require('async-throttle')
t cheerio = require('cheerio').load

ode
t throttle = createThrottle(2)
t urls = ['https://zeit.co', 'https://google.com', /* ? */]
ise.all(urls.map((url) => throttle(async () => {
nsole.log('Processing', url)
nst res = await fetch(url)
nst data = await res.text()
nst $ = cheerio(data)
turn $('title').text()

n((titles) => console.log('Titles:', titles))

To run this example:

clone git@github.com:zeit/async-throttle
sync-throttle
install
run example