From 8053b5e815a5229da0bdb31cd9a7525661295f4f Mon Sep 17 00:00:00 2001
From: evilebottnawi <sheo13666q@gmail.com>
Date: Mon, 7 Jun 2021 17:21:09 +0300
Subject: [PATCH] fix: broken serve with new CLI API

---
 packages/serve/src/index.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/serve/src/index.ts b/packages/serve/src/index.ts
index bc2d6f7db6e..d310cc4f01b 100644
--- a/packages/serve/src/index.ts
+++ b/packages/serve/src/index.ts
@@ -14,7 +14,7 @@ class ServeCommand {
             let options = {};
 
             if (isNewDevServerCLIAPI) {
-                if (typeof webpack.cli.getArguments === "function") {
+                if (webpack.cli && typeof webpack.cli.getArguments === "function") {
                     options = webpack.cli.getArguments(devServer.schema);
                 } else {
                     options = devServer.cli.getArguments();
@@ -176,7 +176,7 @@ class ServeCommand {
                     }, {});
                     const result = Object.assign({}, compiler.options.devServer);
                     const problems = (
-                        typeof webpack.cli.processArguments === "function"
+                        webpack.cli && typeof webpack.cli.processArguments === "function"
                             ? webpack.cli
                             : devServer.cli
                     ).processArguments(args, result, values);