Strict null type check fixes

[e-mobility-charging-stations-simulator.git] / src / charging-station / SharedLRUCache.ts

diff --git a/src/charging-station/SharedLRUCache.ts b/src/charging-station/SharedLRUCache.ts
index 048068534103ea6f5bdd5afec5940dd2753fc1dd..e235c51d1f930a764c1e2ef8198b792711254b31 100644 (file)
--- a/src/charging-station/SharedLRUCache.ts
+++ b/src/charging-station/SharedLRUCache.ts
@@ -79,18 +79,18 @@ export default class SharedLRUCache {
   }
 
   private getChargingStationConfigurationKey(hash: string): string {
-    return CacheType.CHARGING_STATION_CONFIGURATION + hash;
+    return `${CacheType.CHARGING_STATION_CONFIGURATION}${hash}`;
   }
 
   private getChargingStationTemplateKey(hash: string): string {
-    return CacheType.CHARGING_STATION_TEMPLATE + hash;
+    return `${CacheType.CHARGING_STATION_TEMPLATE}${hash}`;
   }
 
   private has(key: string): boolean {
     return this.lruCache.has(key);
   }
 
-  private get(key: string): CacheableType {
+  private get(key: string): CacheableType | undefined {
     return this.lruCache.get(key);
   }