improvement: attempt to obtain port only when is a valid number

Author: thetutlage

npm-audit.html

@@ -55,7 +55,7 @@ <h5 class="card-title">
                 <div class="card">
                     <div class="card-body">
                         <h5 class="card-title">
-                            October 14th 2020, 7:29:46 am
+                            October 14th 2020, 7:31:16 am
                         </h5>
                         <p class="card-text">Last updated</p>
                     </div>

src/DevServer/index.ts

@@ -100,12 +100,14 @@ export class DevServer {
 		 * without manually changing ports inside the `.env` file when
 		 * original port is in use.
 		 */
-		PORT = String(
-			await getPort({
-				port: [Number(PORT)],
-				host: HOST,
-			})
-		)
+		if (!isNaN(Number(PORT))) {
+			PORT = String(
+				await getPort({
+					port: [Number(PORT)],
+					host: HOST,
+				})
+			)
+		}
 
 		this.httpServer = new HttpServer(SERVER_ENTRY_FILE, this.appRoot, this.nodeArgs, this.logger, {
 			PORT,