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timers: run nextTicks + MTQ between timers / immediates#22316

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timers: run nextTicks + MTQ between timers / immediates #22316

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10 changes: 5 additions & 5 deletions lib/timers.js
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Original file line numberDiff line numberDiff line change
Expand Up@@ -244,16 +244,12 @@ function processTimers(now) {
debug('process timer lists %d', now);
nextExpiry = Infinity;

let list, ran;
let list;
while (list = queue.peek()) {
if (list.expiry > now) {
nextExpiry = list.expiry;
return refCount > 0 ? nextExpiry : -nextExpiry;
}
if (ran)
runNextTicks();
else
ran = true;
listOnTimeout(list, now);
}
return 0;
Expand DownExpand Up@@ -300,6 +296,8 @@ function listOnTimeout(list, now) {
tryOnTimeout(timer);

emitAfter(asyncId);

runNextTicks();
}

// If `L.peek(list)` returned nothing, the list was either empty or we have
Expand DownExpand Up@@ -615,6 +613,8 @@ function processImmediate() {

emitAfter(asyncId);

runNextTicks();

immediate = immediate._idleNext;
}

Expand Down