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timers: remove dead code and simplify args check

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The `setUnrefTimeout` function is never called with more arguments
than two. So quite some code was dead and never used. This removes
that code and simplifies the args check not to coerce objects to
booleans.

PR-URL: https://github.com/nodejs/node/pull/26555
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
This commit is contained in:
Ruben Bridgewater 2019-03-10 01:26:17 +01:00
parent b21e7c7bcf
commit a2bed79726
No known key found for this signature in database
GPG Key ID: F07496B3EB3C1762
2 changed files with 5 additions and 25 deletions
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25
lib/internal/timers.js
View File

@ -102,34 +102,13 @@ Timeout.prototype.refresh = function() {
return this;
};
function setUnrefTimeout(callback, after, arg1, arg2, arg3) {
function setUnrefTimeout(callback, after) {
// Type checking identical to setTimeout()
if (typeof callback !== 'function') {
throw new ERR_INVALID_CALLBACK();
}
let i, args;
switch (arguments.length) {
// fast cases
case 1:
case 2:
break;
case 3:
args = [arg1];
break;
case 4:
args = [arg1, arg2];
break;
default:
args = [arg1, arg2, arg3];
for (i = 5; i < arguments.length; i++) {
// Extend array dynamically, makes .apply run much faster in v6.0.0
args[i - 2] = arguments[i];
}
break;
}
const timer = new Timeout(callback, after, args, false);
const timer = new Timeout(callback, after, undefined, false);
getTimers()._unrefActive(timer);
return timer;

5
lib/timers.js
View File

@ -331,7 +331,7 @@ function listOnTimeout(list, now) {
try {
const args = timer._timerArgs;
if (!args)
if (args === undefined)
timer._onTimeout();
else
Reflect.apply(timer._onTimeout, timer, args);
@ -470,8 +470,9 @@ function setTimeout(callback, after, arg1, arg2, arg3) {
}
setTimeout[internalUtil.promisify.custom] = function(after, value) {
const args = value !== undefined ? [value] : value;
return new Promise((resolve) => {
active(new Timeout(resolve, after, [value], false));
active(new Timeout(resolve, after, args, false));
});
};