From 7be17a28fa15c9a84c09e5ede597b2c5ef69a471 Mon Sep 17 00:00:00 2001
From: Roman Axelrod <roman@axe-web.com>
Date: Mon, 24 Oct 2022 11:10:11 +0300
Subject: [PATCH] Make sure the preview option is working on localhost without
 local network or internet connection.

---
 server.js | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/server.js b/server.js
index 626de1c..dd1d088 100755
--- a/server.js
+++ b/server.js
@@ -236,9 +236,20 @@ function startBrowserSync() {
 
         const options = bs.getOptions().toJS();
 
+        const urls = {
+          devTool: options.urls.local.replace(options.port, options.proxy.url.port),
+          previewFrame: options.urls.local,
+        };
+
+        // If local network is available.
+        if (options.urls.external) {
+          urls.devTool = options.urls.external.replace(options.port, options.proxy.url.port);
+          urls.previewFrame = options.urls.external;
+        }
+
         resolve({
-          devToolUrl: options.urls.external.replace(options.port, options.proxy.url.port),
-          previewFrameUrl: options.urls.external,
+          devToolUrl: urls.devTool,
+          previewFrameUrl: urls.previewFrame,
           port: options.port
         });
       });