Empty string handling fixes

[e-mobility-charging-stations-simulator.git] / src / charging-station / ui-server / ui-services / UIServiceFactory.ts

diff --git a/src/charging-station/ui-server/ui-services/UIServiceFactory.ts b/src/charging-station/ui-server/ui-services/UIServiceFactory.ts
index d4f92c10d30345845aff373e5bbb29cb995252ce..9f2d448b3eac147748791e9a197c57bd9a1a0809 100644 (file)
--- a/src/charging-station/ui-server/ui-services/UIServiceFactory.ts
+++ b/src/charging-station/ui-server/ui-services/UIServiceFactory.ts
@@ -1,7 +1,7 @@
-import AbstractUIService from './AbstractUIService';
-import { ProtocolVersion } from '../../../types/UIProtocol';
+import type AbstractUIService from './AbstractUIService';
 import UIService001 from './UIService001';
-import UIWebSocketServer from '../UIWebSocketServer';
+import { ProtocolVersion } from '../../../types/UIProtocol';
+import type { AbstractUIServer } from '../AbstractUIServer';
 
 export default class UIServiceFactory {
   private constructor() {
@@ -10,13 +10,11 @@ export default class UIServiceFactory {
 
   public static getUIServiceImplementation(
     version: ProtocolVersion,
-    uiServer: UIWebSocketServer
-  ): AbstractUIService | null {
+    uiServer: AbstractUIServer
+  ): AbstractUIService {
     switch (version) {
       case ProtocolVersion['0.0.1']:
         return new UIService001(uiServer);
-      default:
-        return null;
     }
   }
 }