B2B-88: add starter kit structure and elements

app/home/(user)/_lib/server/load-user-workspace.ts

@@ -0,0 +1,42 @@
+import { cache } from 'react';
+
+import { createAccountsApi } from '@kit/accounts/api';
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
+
+import featureFlagsConfig from '~/config/feature-flags.config';
+import { requireUserInServerComponent } from '~/lib/server/require-user-in-server-component';
+
+const shouldLoadAccounts = featureFlagsConfig.enableTeamAccounts;
+
+export type UserWorkspace = Awaited<ReturnType<typeof loadUserWorkspace>>;
+
+/**
+ * @name loadUserWorkspace
+ * @description
+ * Load the user workspace data. It's a cached per-request function that fetches the user workspace data.
+ * It can be used across the server components to load the user workspace data.
+ */
+export const loadUserWorkspace = cache(workspaceLoader);
+
+async function workspaceLoader() {
+  const client = getSupabaseServerClient();
+  const api = createAccountsApi(client);
+
+  const accountsPromise = shouldLoadAccounts
+    ? () => api.loadUserAccounts()
+    : () => Promise.resolve([]);
+
+  const workspacePromise = api.getAccountWorkspace();
+
+  const [accounts, workspace, user] = await Promise.all([
+    accountsPromise(),
+    workspacePromise,
+    requireUserInServerComponent(),
+  ]);
+
+  return {
+    accounts,
+    workspace,
+    user,
+  };
+}