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index.ts
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index.ts
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function interval(T: number) {
return T * (Math.random() + 0.5)
}
export function setRandomizedInterval(
callback: (...args: any[]) => void,
ms: number,
...args: any[]
) {
return setRandomizedIntervalAsync(() => {
callback(...args)
return Promise.resolve()
}, ms)
}
export function setRandomizedIntervalAsync(
callback: (...args: any[]) => Promise<void>,
ms: number,
...args: any[]
) {
let ref = true
let currTimer: NodeJS.Timeout
let clear = false
let fn = () => {
callback(...args).then(() => {
if (clear) {
return
}
currTimer = setTimeout(fn, interval(ms))
if (!ref) {
currTimer.unref()
}
})
}
currTimer = setTimeout(fn, interval(ms))
return {
clear: () => {
clear = true
clearTimeout(currTimer)
},
unref: () => {
ref = false
currTimer.unref()
},
ref: () => {
ref = true
currTimer.ref()
}
}
}