reorganized storage adapter and added test suites for adapter and fields (#124)

* reorganized storage adapter and added test suites for adapter and fields

* added build command in ci pipeline

* updated workflow to also run node tests

* updated workflow: try with separate tasks

* updated workflow: try with separate tasks

* updated workflow: added tsx as dev dependency

* updated workflow: try with find instead of glob

app/src/media/storage/StorageAdapter.ts

@@ -0,0 +1,37 @@
+import type { FileListObject, FileMeta } from "media";
+import type { FileBody, FileUploadPayload } from "media/storage/Storage";
+import type { TSchema } from "@sinclair/typebox";
+
+const SYMBOL = Symbol.for("bknd:storage");
+
+export abstract class StorageAdapter {
+   constructor() {
+      this[SYMBOL] = true;
+   }
+
+   /**
+    * This is a helper function to manage Connection classes
+    * coming from different places
+    * @param conn
+    */
+   static isAdapter(conn: unknown): conn is StorageAdapter {
+      if (!conn) return false;
+      return conn[SYMBOL] === true;
+   }
+
+   /**
+    * The unique name of the storage adapter
+    */
+   abstract getName(): string;
+
+   // @todo: method requires limit/offset parameters
+   abstract listObjects(prefix?: string): Promise<FileListObject[]>;
+   abstract putObject(key: string, body: FileBody): Promise<string | FileUploadPayload | undefined>;
+   abstract deleteObject(key: string): Promise<void>;
+   abstract objectExists(key: string): Promise<boolean>;
+   abstract getObject(key: string, headers: Headers): Promise<Response>;
+   abstract getObjectUrl(key: string): string;
+   abstract getObjectMeta(key: string): Promise<FileMeta>;
+   abstract getSchema(): TSchema | undefined;
+   abstract toJSON(secrets?: boolean): any;
+}