This library gives new way to create macrotasks.
setTimeout
does not ensure callback calls in the same macrotask,
this is the difference.
This library make you sure callback with the same delay will be run in the same queue.
npm i sync-timer
SyncTimer
has the same arguments as setTimeout
,
but this is a class.
import SyncTimer from 'sync-timer'
const timer = new SyncTimer(() => {
console.log('Hello World!')
}, 1000)
timer.cancel()
If you try the next example, you get this logs:
1
, 2
, 3
setTimeout(() => {
console.log(1)
})
setTimeout(() => {
queueMicrotask(() => {
console.log(2)
})
})
setTimeout(() => {
console.log(3)
})
That's because of each setTimeout
creates separate macrotask with own microtasks queue.
SyncTimer
calls every timer (used in the same macrotask with the same timeout) in one macrotask.
new SyncTimer(() => {
console.log(1)
})
new SyncTimer(() => {
queueMicrotask(() => {
console.log(2)
})
})
new SyncTimer(() => {
console.log(3)
})
returns 1
, 3
, 2
If you find a bug or have a suggestion, please file an issue on GitHub.