3.0.34

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@push.rocks/smartstream",
-  "version": "3.0.29",
+  "version": "3.0.34",
   "private": false,
   "description": "simplifies access to node streams",
   "main": "dist_ts/index.js",
@@ -22,15 +22,15 @@
   },
   "homepage": "https://gitlab.com/push.rocks/smartstream#readme",
   "devDependencies": {
-    "@git.zone/tsbuild": "^2.1.66",
+    "@git.zone/tsbuild": "^2.1.72",
     "@git.zone/tsrun": "^1.2.44",
-    "@git.zone/tstest": "^1.0.84",
-    "@push.rocks/smartfile": "^11.0.0",
-    "@push.rocks/tapbundle": "^5.0.15",
-    "@types/node": "^20.9.0"
+    "@git.zone/tstest": "^1.0.88",
+    "@push.rocks/smartfile": "^11.0.4",
+    "@push.rocks/tapbundle": "^5.0.17",
+    "@types/node": "^20.11.28"
   },
   "dependencies": {
-    "@push.rocks/lik": "^6.0.12",
+    "@push.rocks/lik": "^6.0.14",
     "@push.rocks/smartpromise": "^4.0.3",
     "@push.rocks/smartrx": "^3.0.7"
   },

test/assets/writabletext.txt

@@ -44,7 +44,4 @@ hi+wow
 hi+wow
 hi+wow
 hi+wow
-hi+wow
-hi+wow
-hi+wow
-hi+wow
+hi

test/test.backpressure.ts

@@ -20,7 +20,7 @@ tap.test('should run backpressure test', async (toolsArg) => {
         await new Promise((resolve) => setTimeout(resolve, 20)); // Slow processing
         console.log(`processed chunk ${chunk} in stream 2`);
         await tools.push(chunk);
-        // return chunk;
+        // return chunk, optionally return ;
       },
     }); // This stream processes data more slowly
     const stream3 = new SmartDuplex({

ts/00_commitinfo_data.ts

@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@push.rocks/smartstream',
-  version: '3.0.29',
+  version: '3.0.34',
   description: 'simplifies access to node streams'
 }

ts/smartstream.classes.smartduplex.ts

@@ -3,7 +3,7 @@ import { Duplex, type DuplexOptions } from 'stream';
 
 export interface IStreamTools {
   truncate: () => void;
-  push: (pipeObject: any) => Promise<void>;
+  push: (pipeObject: any) => Promise<boolean>;
 }
 
 export interface IStreamWriteFunction<T, rT> {
@@ -15,12 +15,30 @@ export interface IStreamFinalFunction<rT> {
 }
 
 export interface ISmartDuplexOptions<TInput, TOutput> extends DuplexOptions {
+  /**
+   * wether to print debug logs
+   */
   debug?: boolean;
+  /**
+   * the name of the stream
+   */
   name?: string;
+  /**
+   * a function that is being called to read more stuff from whereever to be processed by the stream
+   * @returns
+   */
   readFunction?: () => Promise<void>;
+
+  /**
+   * the write function is called for every chunk that is being written to the stream
+   * it can push or return chunks (but does not have to) to be written to the readable side of the stream
+   */
   writeFunction?: IStreamWriteFunction<TInput, TOutput>;
+  
+  /**
+   * a final function that is run at the end of the stream 
+   */
   finalFunction?: IStreamFinalFunction<TOutput>;
-  // Add other custom options if necessary
 }
 
 export class SmartDuplex<TInput = any, TOutput = any> extends Duplex {
@@ -46,10 +64,10 @@ export class SmartDuplex<TInput = any, TOutput = any> extends Duplex {
 
   constructor(optionsArg?: ISmartDuplexOptions<TInput, TOutput>) {
     super(Object.assign({
-      highWaterMark: 4,
+      highWaterMark: 1,
     }, optionsArg));
     this.options = optionsArg;
-    this.backpressuredArray = new plugins.lik.BackpressuredArray<TOutput>(this.options.highWaterMark || 4)
+    this.backpressuredArray = new plugins.lik.BackpressuredArray<TOutput>(this.options.highWaterMark || 1)
   }
 
   public async _read(size: number): Promise<void> {
@@ -73,6 +91,7 @@ export class SmartDuplex<TInput = any, TOutput = any> extends Duplex {
       await this.backpressuredArray.waitForSpace();
       this.debugLog(`${this.options.name}: can push more again`);
     }
+    return canPushMore;
   };
 
   private asyncWritePromiseObjectmap = new plugins.lik.ObjectMap<Promise<any>>();
@@ -90,7 +109,7 @@ export class SmartDuplex<TInput = any, TOutput = any> extends Duplex {
         callback();
       },
       push: async (pushArg: TOutput) => {
-        await this.backpressuredPush(pushArg);
+        return await this.backpressuredPush(pushArg);
       }
     };
 
@@ -120,7 +139,7 @@ export class SmartDuplex<TInput = any, TOutput = any> extends Duplex {
       const tools: IStreamTools = {
         truncate: () => callback(),
         push: async (pipeObject) => {
-          this.backpressuredArray.push(pipeObject);
+          return this.backpressuredArray.push(pipeObject);
         },
       };