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net: refactor onSlaveClose in Server.close #12334

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net: refactor onSlaveClose in Server.close #12334

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14 changes: 6 additions & 8 deletions lib/net.js
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Original file line number Diff line number Diff line change
Expand Up @@ -1539,13 +1539,6 @@ Server.prototype.getConnections = function(cb) {


Server.prototype.close = function(cb) {
function onSlaveClose() {
if (--left !== 0) return;

self._connections = 0;
self._emitCloseIfDrained();
}

if (typeof cb === 'function') {
if (!this._handle) {
this.once('close', function close() {
Expand All @@ -1562,8 +1555,13 @@ Server.prototype.close = function(cb) {
}

if (this._usingSlaves) {
var self = this;
var left = this._slaves.length;
const onSlaveClose = () => {
if (--left !== 0) return;

this._connections = 0;
this._emitCloseIfDrained();
};

// Increment connections to be sure that, even if all sockets will be closed
// during polling of slaves, `close` event will be emitted only once.
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