Initial setup for new frontend.

frontend/src/stores/version.ts

@@ -0,0 +1,38 @@
+import { defineStore } from "pinia";
+import { isObject, isVersion, type Version } from "@/types";
+import { api } from "@/utils/Api";
+
+interface VersionResponse {
+    version: Version;
+}
+
+function isVersionResponse(arg: unknown): arg is VersionResponse {
+    return isObject(arg) && isVersion((arg as VersionResponse).version);
+}
+
+interface VersionStoreState {
+    version: Version | null;
+}
+
+export const useVersionStore = defineStore({
+    id: "version",
+    state(): VersionStoreState {
+        return {
+            version: null,
+        };
+    },
+    getters: {
+        getVersion(state: VersionStoreState): Version | null {
+            return state.version;
+        },
+    },
+    actions: {
+        async refresh(): Promise<void> {
+            const response = await api.get<VersionResponse>(
+                "version",
+                isVersionResponse
+            );
+            this.version = response.version;
+        },
+    },
+});