migrated to vue wtf

src/AppState.ts

@@ -1,37 +1,31 @@
-import { ISubscriber, Publisher } from "@djledda/ladder";
-import { TrackUnitStickingType, TrackUnitType } from "./TrackUnit";
+import { inject, type InjectionKey, ref } from 'vue';
 
 export type UITool = 
     | "track-unit-type" 
     | "eraser" 
     | "sticking";
 
-export type AppStateEvent = "appstate-tool-select";
-
-export default class AppState {
-    private publisher = new Publisher<AppStateEvent, AppState>(this);
-    selectedTool: UITool = "track-unit-type";
-    activeTrackUnitType: TrackUnitType = "Normal";
-    activeStickingType: TrackUnitStickingType = "lh";
-
-    constructor() {}
-
-    addSubscriber(subscriber: ISubscriber<AppStateEvent>, subscribeTo: Parameters<Publisher<AppStateEvent, AppState>["addSubscriber"]>[1]) {
-        this.publisher.addSubscriber(subscriber, subscribeTo);
-    }
-
-    selectStickingTypePaint(stickingType: TrackUnitStickingType) {
-        this.activeStickingType = stickingType;
-        this.publisher.notifySubs("appstate-tool-select");
-    }
-
-    selectTrackUnitTypePaint(trackUnitType: TrackUnitType) {
-        this.activeTrackUnitType = trackUnitType;
-        this.publisher.notifySubs("appstate-tool-select");
-    }
-
-    selectTool(tool: UITool) {
-        this.selectedTool = tool;
-        this.publisher.notifySubs("appstate-tool-select");
-    }
+export function createAppStateStore() {
+    const selectedTool = ref<UITool>('track-unit-type');
+    const activeTrackUnitType = ref(0);
+    const activeStickingType = ref(1);
+    const selectingUnits = ref(false);
+    const deselectingUnits = ref(false);
+    
+    return {
+        selectingUnits,
+        deselectingUnits,
+        selectedTool,
+        activeTrackUnitType,
+        activeStickingType,
+    };
+}
+
+
+export type AppStateStore = ReturnType<typeof createAppStateStore>;
+
+export const AppStateStoreKey = Symbol('AppStateStore') as InjectionKey<AppStateStore>;
+
+export function useAppStateStore(): AppStateStore {
+    return inject(AppStateStoreKey, createAppStateStore, true);
 }