From d126e4164f00a35f4bbc6078e5a79045875329c9 Mon Sep 17 00:00:00 2001
From: Alex Lunyov <isuntc@gmail.com>
Date: Wed, 9 May 2018 23:31:06 +0800
Subject: [PATCH] Do not recreate browser instance if getBrowser options passed

---
 src/index.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/index.js b/src/index.js
index 506b9d76..6e56350a 100644
--- a/src/index.js
+++ b/src/index.js
@@ -39,8 +39,12 @@ const launchBrowserIfNeeded = async function ({ getBrowser }) {
   if (browser) {
     return
   }
-  if (getBrowser && typeof getBrowser === 'function') {
-    _browserLaunchPromise = Promise.resolve(getBrowser())
+  if (
+    getBrowser &&
+    typeof getBrowser === 'function' &&
+    !_browserLaunchPromise
+  ) {
+    _browserLaunchPromise = getBrowser()
   }
   if (!_browserLaunchPromise) {
     debuglog('no browser instance, launching new browser..')