refactor: code

Author: alexander-akait

lib/Server.js

@@ -1630,7 +1630,7 @@ class Server {
       });
     }
 
-    if (this.options.static) {
+    if (this.options.static.length > 0) {
       this.options.static.forEach((staticOption) => {
         staticOption.publicPath.forEach((publicPath) => {
           middlewares.push({
@@ -1672,7 +1672,7 @@ class Server {
         middleware: this.middleware,
       });
 
-      if (this.options.static) {
+      if (this.options.static.length > 0) {
         this.options.static.forEach((staticOption) => {
           staticOption.publicPath.forEach((publicPath) => {
             middlewares.push({
@@ -1688,7 +1688,7 @@ class Server {
       }
     }
 
-    if (this.options.static) {
+    if (this.options.static.length > 0) {
       const serveIndex = require("serve-index");
 
       this.options.static.forEach((staticOption) => {
@@ -2015,7 +2015,7 @@ class Server {
       }
     }
 
-    if (this.options.static && this.options.static.length > 0) {
+    if (this.options.static.length > 0) {
       this.logger.info(
         `Content not from webpack is served from '${colors.info(
           useColor,