fix(core): update

ts/00_commitinfo_data.ts

@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@push.rocks/smartstream',
-  version: '2.0.4',
+  version: '2.0.5',
   description: 'simplifies access to node streams'
 }

ts/index.ts

@@ -1,3 +1,4 @@
+export * from './smartstream.classes.smartstream.js';
 export * from './smartstream.classes.streamwrapper.js';
 export * from './smartstream.classes.streamintake.js';
 export * from './smartstream.duplex.js';

ts/smartstream.classes.smartstream.ts

@@ -0,0 +1,55 @@
+import * as plugins from './smartstream.plugins.js';
+import { Duplex, type DuplexOptions } from 'stream';
+
+export class SmartStream extends Duplex {
+  private observableSubscription?: plugins.smartrx.rxjs.Subscription;
+
+  constructor(options?: DuplexOptions) {
+    super(options);
+  }
+
+  _read(size: number) {
+    // Implement if you need custom behavior, otherwise leave it empty
+  }
+
+  _write(chunk: any, encoding: string, callback: (error?: Error | null) => void) {
+    // Implement if you need custom behavior
+    callback();
+  }
+
+  static fromBuffer(buffer: Buffer, options?: DuplexOptions): SmartStream {
+    const smartStream = new SmartStream(options);
+    process.nextTick(() => {
+      smartStream.push(buffer);
+      smartStream.push(null); // Signal the end of the data
+    });
+    return smartStream;
+  }
+
+  static fromObservable(observable: plugins.smartrx.rxjs.Observable<any>, options?: DuplexOptions): SmartStream {
+    const smartStream = new SmartStream(options);
+    smartStream.observableSubscription = observable.subscribe({
+      next: (data) => {
+        if (!smartStream.push(data)) {
+          // Pause the observable if the stream buffer is full
+          smartStream.observableSubscription?.unsubscribe();
+          smartStream.once('drain', () => {
+            // Resume the observable when the stream buffer is drained
+            smartStream.observableSubscription?.unsubscribe();
+            smartStream.observableSubscription = observable.subscribe(data => {
+              smartStream.push(data);
+            });
+          });
+        }
+      },
+      error: (err) => {
+        smartStream.emit('error', err);
+      },
+      complete: () => {
+        smartStream.push(null); // Signal the end of the data
+      }
+    });
+
+    return smartStream;
+  }
+}