fix(core): update

ts/00_commitinfo_data.ts

@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@push.rocks/smartstream',
-  version: '3.0.16',
+  version: '3.0.17',
   description: 'simplifies access to node streams'
 }

ts/smartstream.classes.smartduplex.ts

@@ -129,12 +129,15 @@ export class SmartDuplex<TInput = any, TOutput = any> extends Duplex {
     }
   }
 
+  public notBackpressured = true;
   public push(chunkArg?: TOutput | null): boolean {
     const result = super.push(chunkArg);
     if (!result && this.handleBackpressure) {
+      this.notBackpressured = false;
       this.pause();
       // Listen for 'drain' event to resume
       this.once('drain', () => {
+        this.notBackpressured = true;
         this.resume(); // Resume the source of data
       });
     }
@@ -164,6 +167,7 @@ export class SmartDuplex<TInput = any, TOutput = any> extends Duplex {
     } catch (err) {
       callback(err);
     }
+    return this.notBackpressured;
   }
 
   public async _final(callback: (error?: Error | null) => void) {