Fix typescript

Author: auxten

index.d.ts

@@ -1,22 +1,44 @@
-declare interface ChdbModule {
-  Execute(query: string, format: string): string;
-  Session(query: string, format: string, path: string): string;
-}
-
-declare const chdb: ChdbModule;
+/**
+ * Executes a query using the chdb addon.
+ * 
+ * @param query The query string to execute.
+ * @param format The format for the query result, default is "CSV".
+ * @returns The query result as a string.
+ */
+export function query(query: string, format?: string): string;
 
-declare interface DB {
-  format: string;
+/**
+ * Session class for managing queries and temporary paths.
+ */
+export class Session {
+  /**
+   * The path used for the session. This could be a temporary path or a provided path.
+   */
   path: string;
-  query(query: string, format?: string): string;
-  session(query: string, format?: string, path?: string): string;
-}
 
-declare interface DBFactory {
-  (format?: string, path?: string): DB;
-  new (format?: string, path?: string): DB;
-}
+  /**
+   * Indicates whether the path is a temporary directory or not.
+   */
+  isTemp: boolean;
+
+  /**
+   * Creates a new session. If no path is provided, a temporary directory is created.
+   * 
+   * @param path Optional path for the session. If not provided, a temporary directory is used.
+   */
+  constructor(path?: string);
 
-declare const db: DBFactory;
+  /**
+   * Executes a session-bound query.
+   * 
+   * @param query The query string to execute.
+   * @param format The format for the query result, default is "CSV".
+   * @returns The query result as a string.
+   */
+  query(query: string, format?: string): string;
 
-export { chdb, db };
+  /**
+   * Cleans up the session, deleting the temporary directory if one was created.
+   */
+  cleanup(): void;
+}