SonarCloud: mark as readonly

ui/src/cesium-toolbar.ts

@@ -135,7 +135,7 @@ export class CesiumToolbar extends LitElement {
     super.updated(changedProperties);
   }
 
-  static styles = css`
+  static readonly styles = css`
     :host {
       position: absolute;
       background-color: #0000005c;

ui/src/store/draw.ts

@@ -4,7 +4,7 @@ import type {CesiumDraw} from '../draw/CesiumDraw';
 export default class DrawStore {
   private static readonly drawSubject = new BehaviorSubject<CesiumDraw | undefined>(undefined);
   private static readonly drawStateSubject = new BehaviorSubject<boolean>(false);
-  static measureState = new BehaviorSubject<boolean>(false);
+  static readonly measureState = new BehaviorSubject<boolean>(false);
 
   static setDrawState(value: boolean): void {
     this.drawStateSubject.next(value);

ui/src/store/main.ts

@@ -13,8 +13,8 @@ export default class MainStore {
   private static readonly ionTokenSubject = new BehaviorSubject<string | null>(getIonToken());
   private static readonly ionAssetSubject = new Subject<IonAsset>();
   private static readonly removeIonAssetsSubject = new Subject<void>();
-  static setUrlLayersSubject = new Subject<void>();
-  static syncLayerParams = new Subject<void>();
+  static readonly setUrlLayersSubject = new Subject<void>();
+  static readonly syncLayerParams = new Subject<void>();
   /**
    * List of uploaded KML dataSource names. Required to get list of uploaded layers and update properties in batch (e.g. exaggeration)
    * @private

ui/src/store/navTools.ts

@@ -8,7 +8,7 @@ export default class NavToolsStore {
   private static readonly hideTargetPointSubject = new Subject<void>();
   private static readonly navLockTypeSubject = new BehaviorSubject<LockType>('');
   private static readonly targetPointPositionSubject = new BehaviorSubject<Cartesian3 | undefined>(undefined);
-  static exaggerationChanged = new Subject<number>();
+  static readonly exaggerationChanged = new Subject<number>();
 
   static get syncTargetPoint() {
     return this.syncTargetPointSubject;