Added JSDoc documentation for UI persistence storage

Author: preeesha

ai-assistant/src/utils/persistenceHandlers.ts

@@ -7,6 +7,15 @@ import {
     RocketChatAssociationRecord,
 } from "@rocket.chat/apps-engine/definition/metadata";
 
+/**
+ * Persists UI data using the provided persistence handler.
+ *
+ * @template T - The type of the data being persisted.
+ * @param {IPersistence} persistence - The persistence handler to use for data storage.
+ * @param {string} id - The identifier for the data being persisted.
+ * @param {T} data - The data to be persisted.
+ * @returns {Promise<void>} - A promise that resolves when the data has been successfully persisted.
+ */
 export const persistUIData = async <T>(
     persistence: IPersistence,
     id: string,
@@ -19,6 +28,14 @@ export const persistUIData = async <T>(
     await persistence.updateByAssociation(association, data as any, true);
 };
 
+/**
+ * Retrieves UI data from the persistence layer based on the provided ID.
+ *
+ * @template T - The type of the UI data to be retrieved.
+ * @param {IPersistenceRead} persistenceRead - The persistence read instance used to retrieve data.
+ * @param {string} id - The ID used to identify the UI data.
+ * @returns {Promise<T | null>} - A promise that resolves to the retrieved UI data or null if not found.
+ */
 export const getUIData = async <T>(
     persistenceRead: IPersistenceRead,
     id: string
@@ -33,6 +50,13 @@ export const getUIData = async <T>(
     return result && result.length ? (result[0] as any) : null;
 };
 
+/**
+ * Clears the UI data associated with a specific ID.
+ *
+ * @param {IPersistence} persistence - The persistence object used for data storage.
+ * @param {string} id - The ID of the data to be cleared.
+ * @returns {Promise<void>} - A promise that resolves when the UI data is cleared.
+ */
 export const clearUIData = async (
     persistence: IPersistence,
     id: string