BatchLoader

utility for batch data processing. The DataLoader is taken as an example.

Collects data over a specified time or within a specified amount

install

npm i @nerjs/batchloader
// or:
yarn add @nerjs/batchloader

usage

const BatchLoader = require('@nerjs/batchloader')
// or:
import BatchLoader from '@nerjs/batchloader'

const batchLoadFn = arr => {
    return arr.map(n => n * 2)
}

const loader = new BatchLoader(batchLoadFn)

loader.load(1).then(result => {
    console.log(result) // console: 2
})

API

api is maximally repeated from the DataLoader API with small additions.

class DataLoader(batchLoadFn, [, options])

• batchLoadFn: A function which accepts an Array of keys, and returns a Promise which resolves to an Array of values.
• options: | key | type | default | |:--|:--:|:--:| | maxSize | Number | 1000 | | cacheTime | Number | 10 | | batchTime | Number | 10 | | getKey | Function | null |

loader.load(any)

loader.loadMany(Array)

loader.clear()

clear cache

loader.clearMany()

loader.resolve(keyData, result)

loader.reject(keyData, Error)

:link: All utils