refactor: code

Author: alexander-akait

lib/Server.js

@@ -1116,11 +1116,15 @@ class Server {
 
       let needForceShutdown = false;
 
+      const exitProcess = () => {
+        // eslint-disable-next-line no-process-exit
+        process.exit();
+      };
+
       signals.forEach((signal) => {
         process.on(signal, () => {
           if (needForceShutdown) {
-            // eslint-disable-next-line no-process-exit
-            process.exit();
+            exitProcess();
           }
 
           this.logger.info(
@@ -1130,14 +1134,10 @@ class Server {
           needForceShutdown = true;
 
           this.stopCallback(() => {
-            if (this.compiler.close) {
-              this.compiler.close(() => {
-                // eslint-disable-next-line no-process-exit
-                process.exit();
-              });
+            if (typeof this.compiler.close === "function") {
+              this.compiler.close(exitProcess);
             } else {
-              // eslint-disable-next-line no-process-exit
-              process.exit();
+              exitProcess();
             }
           });
         });