https-proxy-agent+2.2.4.patch

diff --git a/node_modules/https-proxy-agent/index.js b/node_modules/https-proxy-agent/index.js
index 817a0a9..2e053da 100644
--- a/node_modules/https-proxy-agent/index.js
+++ b/node_modules/https-proxy-agent/index.js
@@ -5,10 +5,16 @@
 var net = require('net');
 var tls = require('tls');
 var url = require('url');
-var assert = require('assert');
 var Agent = require('agent-base');
-var inherits = require('util').inherits;
-var debug = require('debug')('https-proxy-agent');
+var debug;
+function initDebug() {
+  if (debug) return;
+  // TODO(RaisinTen): Add the 'debug' module to the V8 snapshot.
+  // The code is written this way to make sure that the 'debug' module is not
+  // loaded into the V8 snapshot.
+  const debugModule = 'debug';
+  debug = require(debugModule)('https-proxy-agent');
+}
 
 /**
  * Module exports.
@@ -30,6 +36,7 @@ function HttpsProxyAgent(opts) {
 		throw new Error(
 			'an HTTP(S) proxy server `host` and `port` must be specified!'
 		);
+  initDebug();
 	debug('creating new HttpsProxyAgent instance: %o', opts);
 	Agent.call(this, opts);
 
@@ -61,7 +68,6 @@ function HttpsProxyAgent(opts) {
 	this.proxy = proxy;
 	this.defaultPort = 443;
 }
-inherits(HttpsProxyAgent, Agent);
 
 /**
  * Called when the node-core HTTP client library is creating a new HTTP request.
@@ -70,6 +76,7 @@ inherits(HttpsProxyAgent, Agent);
  */
 
 HttpsProxyAgent.prototype.callback = function connect(req, opts, fn) {
+  initDebug();
 	var proxy = this.proxy;
 
 	// create a socket connection to the proxy server
@@ -184,7 +191,7 @@ HttpsProxyAgent.prototype.callback = function connect(req, opts, fn) {
 
 	function onsocket(socket) {
 		debug('replaying proxy buffer for failed request');
-		assert(socket.listenerCount('data') > 0);
+		if (socket.listenerCount('data') <= 0) throw new Error("The socket listener count for the 'data' event needs to be more than 0.");
 
 		// replay the "buffers" Buffer onto the `socket`, since at this point
 		// the HTTP module machinery has been hooked up for the user