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document makeFetcher a bit

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Shpuld Shpuldson 2020-09-02 21:08:06 +03:00
parent 1b6eee0497
commit d939f2ffbc
1 changed files with 8 additions and 2 deletions
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10
src/services/fetcher/fetcher.js
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@ -1,11 +1,17 @@
export const makeFetcher = (call, interval) => { // makeFetcher - replacement for setInterval for fetching, starts counting
// the interval only after a request is done instead of immediately.
// promiseCall is a function that returns a promise, it's called when created
// and after every interval.
// interval is the interval delay in ms.
export const makeFetcher = (promiseCall, interval) => {
let stopped = false let stopped = false
let timeout = null let timeout = null
let func = () => {} let func = () => {}
func = () => { func = () => {
call().finally(() => { promiseCall().finally(() => {
if (stopped) return if (stopped) return
timeout = window.setTimeout(func, interval) timeout = window.setTimeout(func, interval)
}) })