From 72c2a5149c6419a720a34190b2c8e79416dc4280 Mon Sep 17 00:00:00 2001
From: Benjamin Gruenbaum <benjamingr@gmail.com>
Date: Sun, 30 Jan 2022 14:03:46 +0200
Subject: [PATCH] lazy-load tls (#1186)

---
 lib/core/connect.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/core/connect.js b/lib/core/connect.js
index 951bf7c2ea7..eafc33b7423 100644
--- a/lib/core/connect.js
+++ b/lib/core/connect.js
@@ -1,10 +1,10 @@
 'use strict'
 
 const net = require('net')
-const tls = require('tls')
 const assert = require('assert')
 const util = require('./util')
 const { InvalidArgumentError, ConnectTimeoutError } = require('./errors')
+let tls // include tls conditionally since it is not always available
 
 // TODO: session re-use does not wait for the first
 // connection to resolve the session and might therefore
@@ -24,6 +24,9 @@ function buildConnector ({ maxCachedSessions, socketPath, timeout, ...opts }) {
   return function connect ({ hostname, host, protocol, port, servername }, callback) {
     let socket
     if (protocol === 'https:') {
+      if (!tls) {
+        tls = require('tls') 
+      }
       servername = servername || options.servername || util.getServerName(host) || null
 
       const sessionKey = servername || hostname