A simple async task throttle.
$ yarn add async-task-throttle
import AsyncTaskThrottle from 'async-task-throttle'
function task (url) {
return fetch(url)
}
const throttleTask = AsyncTaskThrottle.create(task, 6, 100)
// use `throttleTask` just like `task`
// but up to 6 tasks are running at the same moment
throttleTask('https://github.com/breeze2/markdown-it-all').then(value => {
console.log(value)
}).catch(error => {
console.error(error)
})
function AsyncTaskThrottle.create(
task: T extends (...args: any[]) => Promise<any>,
size?: number = 6,
max: number = Infinity
): T
- task: the async task function.
- size: defualt 6, at the same moment, up to
size
tasks are runing, others are in the waiting queue. - max: defualt Infinity, when the length of waiting queue is greater than
max
, late tasks will be rejected instantly.