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timers: handle unrefed intervals in clearTimeout() #9606

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cjihrig wants to merge 1 commit into from
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timers: handle unrefed intervals in clearTimeout() #9606

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2 changes: 1 addition & 1 deletion lib/timers.js
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Original file line number Diff line number Diff line change
Expand Up @@ -396,6 +396,7 @@ function rearm(timer) {

const clearTimeout = exports.clearTimeout = function(timer) {
if (timer && (timer[kOnTimeout] || timer._onTimeout)) {
timer._repeat = null;
timer[kOnTimeout] = timer._onTimeout = null;
if (timer instanceof Timeout) {
timer.close(); // for after === 0
Expand Down Expand Up @@ -444,7 +445,6 @@ function createRepeatTimeout(callback, repeat, args) {

exports.clearInterval = function(timer) {
if (timer && timer._repeat) {
timer._repeat = null;
clearTimeout(timer);
}
};
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9 changes: 9 additions & 0 deletions test/parallel/test-timers-cleartimeout-unref-interval.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,9 @@
'use strict';
const common = require('../common');
const timeout = setTimeout(common.fail, 2 ** 30); // Keep event loop open.
const interval = setInterval(common.mustCall(() => {
// Use clearTimeout() instead of clearInterval().
// The interval should still be cleared.
clearTimeout(interval);
setImmediate(() => { clearTimeout(timeout); });
}), 1).unref();