fix(core): update

ts/00_commitinfo_data.ts

@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@push.rocks/smartstream',
-  version: '3.0.20',
+  version: '3.0.21',
   description: 'simplifies access to node streams'
 }

ts/smartstream.classes.smartduplex.ts

@@ -51,8 +51,9 @@ export class SmartDuplex<TInput = any, TOutput = any> extends Duplex {
   }
 
   public async _read(size: number): Promise<void> {
-    await this.backpressuredArray.waitForItems();
     this.debugLog(`${this.options.name}: read was called`);
+    await this.backpressuredArray.waitForItems();
+    this.debugLog(`${this.options.name}: successfully waited for items.`);
     if (this.options.readFunction) {
       await this.options.readFunction();
     }