simple-set-iterval-async
v1.0.1
Published
Non intersectable async interval. It will never calls new execution until previous had not finished
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simple-set-iterval-async
Non intersectable async interval. It will never calls new execution until previous had not finished
Api
export type AsyncIntervalController = {
continue: boolean,
lastExecTime: number,
}
export function setIntervalAsync(
f: () => Promise<void>,
timeoutMs: number
): AsyncIntervalController {...}
export function clearIntervalAsync(controller: AsyncIntervalController): void {...}
Test
import { describe, it } from "mocha";
import { clearIntervalAsync, setIntervalAsync } from "../src";
import assert from "assert";
it("test set interval async", () => {
const counter = { cnt1: 0, cnt2: 0 }
const i1 = setIntervalAsync(async () => {
counter.cnt1 = counter.cnt1 + 1
if ((counter.cnt1 > 3) && (counter.cnt1 < 7)) {
await new Promise(r => setTimeout(r, 1700))
}
console.log((new Date()).toLocaleTimeString() + ": cnt 1 = " + counter.cnt1)
return Promise.resolve()
}, 1000)
const i2 = setIntervalAsync(async () => {
counter.cnt2 = counter.cnt2 + 1
console.log((new Date()).toLocaleTimeString() + ": cnt 2 = " + counter.cnt2)
return Promise.resolve()
}, 2000)
setTimeout(() => {
clearIntervalAsync(i1)
clearIntervalAsync(i2)
assert.ok((counter.cnt1 < 9) && (counter.cnt1 > 6))
assert.ok((counter.cnt2 < 7) && (counter.cnt2 > 4))
setTimeout(() => {
assert.ok((counter.cnt1 < 9) && (counter.cnt1 > 6))
assert.ok((counter.cnt2 < 7) && (counter.cnt2 > 4))
}, 5000)
}, 10000)
})
//Console output:
//05:39:49: cnt 1 = 1
//05:39:49: cnt 2 = 1
//05:39:50: cnt 1 = 2
//05:39:51: cnt 1 = 3
//05:39:51: cnt 2 = 2
//05:39:53: cnt 2 = 3
//05:39:54: cnt 1 = 4
//05:39:55: cnt 2 = 4
//05:39:55: cnt 1 = 5
//05:39:57: cnt 2 = 5
//05:39:57: cnt 1 = 6
//05:39:57: cnt 1 = 7
//05:39:58: cnt 1 = 8
//05:39:59: cnt 2 = 6
Author
Anatoly Starodubtsev [email protected]
Licence
MIT