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events: remove unnecessary checks #9330

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cjihrig merged 1 commit into from
Oct 31, 2016
Merged

events: remove unnecessary checks #9330

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events: remove unnecessary checks 
This commit removes two truthy checks for object properties that
are immediately followed by a strict equality check. The other
item in the comparison is guaranteed to be a function by this
point in the code, so the truthy check is redundant.

PR-URL: #9330
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
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@cjihrig
cjihrig committed Oct 31, 2016
commit 7f909c3b7922a3c7cdca03527dd6dc3687ae4e8b
5 changes: 2 additions & 3 deletions lib/events.js
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Original file line number Diff line number Diff line change
Expand Up @@ -327,7 +327,7 @@ EventEmitter.prototype.removeListener =
if (!list)
return this;

if (list === listener || (list.listener && list.listener === listener)) {
if (list === listener || list.listener === listener) {
if (--this._eventsCount === 0)
this._events = new EventHandlers();
else {
Expand All @@ -339,8 +339,7 @@ EventEmitter.prototype.removeListener =
position = -1;

for (i = list.length; i-- > 0;) {
if (list[i] === listener ||
(list[i].listener && list[i].listener === listener)) {
if (list[i] === listener || list[i].listener === listener) {
originalListener = list[i].listener;
position = i;
break;
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