Object pool with an async checkout function.
npm install awaitable-poolObject pool with an async checkout function.
``js
const { AwaitablePool } = require('awaitable-pool')
let count = 0
const poolSize = 2
const createObject = () => ({
id: (++count).toString(),
})
const pool = new AwaitablePool(createObject, poolSize)
;(async () => {
const item1 = await pool.checkout()
console.log('checked out %s', item1.id)
const item2 = await pool.checkout()
console.log('checked out %s', item2.id)
console.log('checking out another item')
pool.checkout().then((item) => console.log('checked out %s', item.id))
console.log('checking in 1')
pool.checkin(item1)
})()
`
`
checked out 1
checked out 2
checking out another item
checking in 1
checked out 1
npm install awaitable-pool
This library is small and thus also only serves a small spectrum of use cases.
If you want a more complete implementation have a look at either of the following.
- tarn
MIT