timers: remove dead code and simplify args check

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
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GPG Key ID: F07496B3EB3C1762
2 changed files with 5 additions and 25 deletions

View File

@ -102,34 +102,13 @@ Timeout.prototype.refresh = function() {
return this; return this;
}; };
function setUnrefTimeout(callback, after, arg1, arg2, arg3) { function setUnrefTimeout(callback, after) {
// Type checking identical to setTimeout() // Type checking identical to setTimeout()
if (typeof callback !== 'function') { if (typeof callback !== 'function') {
throw new ERR_INVALID_CALLBACK(); throw new ERR_INVALID_CALLBACK();
} }
let i, args; const timer = new Timeout(callback, after, undefined, false);
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);
getTimers()._unrefActive(timer); getTimers()._unrefActive(timer);
return timer; return timer;

View File

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