fix: allow falsy values for port option (#2962)

`webpack-dev-server@3` allows using `null` or `0` to automatically use a free port.
webpack · Sep 22, 2021 · da135dd · da135dd
1 parent c888861
commit da135dd
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/packages/serve/src/index.ts b/packages/serve/src/index.ts
@@ -296,7 +296,8 @@ class ServeCommand {
             };
 
             devServerOptions.host = devServerOptions.host || "localhost";
-            devServerOptions.port = devServerOptions.port || 8080;
+            devServerOptions.port =
+              typeof devServerOptions.port !== "undefined" ? devServerOptions.port : 8080;
             devServerOptions.stats = getStatsOption();
             devServerOptions.publicPath = getPublicPathOption();
           }