3.2.4

changelog.md

@@ -1,5 +1,27 @@
 # Changelog
 
+## 2024-10-16 - 3.2.4 - fix(SmartDuplex)
+Fix stream termination when reading from a web readable stream
+
+- Resolved an issue in SmartDuplex where the stream did not properly terminate after reaching the end of a web readable stream.
+
+## 2024-10-16 - 3.2.3 - fix(smartduplex)
+Enhance documentation for read function in SmartDuplex
+
+- Added inline comments to clarify the behavior and importance of unlocking the reader in the readFunction of SmartDuplex.fromWebReadableStream.
+
+## 2024-10-16 - 3.2.2 - fix(SmartDuplex)
+Fix issue with SmartDuplex fromWebReadableStream method
+
+- Resolved a potential unhandled promise rejection in fromWebReadableStream method
+- Ensured proper release of stream reader lock in case of read completion
+
+## 2024-10-16 - 3.2.1 - fix(core)
+Fix the order of operations in SmartDuplex _read method to ensure proper waiting for items.
+
+- Adjusted the order of reading function execution and waiting for items in the SmartDuplex _read method.
+- Fixed potential issues with stream data processing timing.
+
 ## 2024-10-16 - 3.2.0 - feat(SmartDuplex)
 Added method to create SmartDuplex from a WebReadableStream.
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@push.rocks/smartstream",
-  "version": "3.2.0",
+  "version": "3.2.4",
   "private": false,
   "description": "A library to simplify the creation and manipulation of Node.js streams, providing utilities for handling transform, duplex, and readable/writable streams effectively in TypeScript.",
   "type": "module",

ts/00_commitinfo_data.ts

@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@push.rocks/smartstream',
-  version: '3.2.0',
+  version: '3.2.4',
   description: 'A library to simplify the creation and manipulation of Node.js streams, providing utilities for handling transform, duplex, and readable/writable streams effectively in TypeScript.'
 }

ts/smartstream.classes.smartduplex.ts

@@ -56,21 +56,19 @@ export class SmartDuplex<TInput = any, TOutput = any> extends Duplex {
     readableStream: ReadableStream<T>
   ): SmartDuplex<T, T> {
     const smartDuplex = new SmartDuplex<T, T>({
+      /**
+       * this function is called whenever the stream is being read from and at the same time if nothing is enqueued
+       * therefor it is important to always unlock the reader after reading
+       */
       readFunction: async () => {
         const reader = readableStream.getReader();
-        try {
+        const { value, done } = await reader.read();
-          while (true) {
+        if (value !== undefined) {
-            const { value, done } = await reader.read();
+          smartDuplex.push(value);
-            if (value !== undefined) {
+        }
-              smartDuplex.push(value);
+        reader.releaseLock();
-            }
+        if (done) {
-            if (done) {
+          smartDuplex.push(null);
-              smartDuplex.end();
-              break;
-            }
-          }
-        } finally {
-          reader.releaseLock();
         }
       },
     });
@@ -105,11 +103,11 @@ export class SmartDuplex<TInput = any, TOutput = any> extends Duplex {
 
   public async _read(size: number): Promise<void> {
     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();
     }
+    await this.backpressuredArray.waitForItems();
+    this.debugLog(`${this.options.name}: successfully waited for items.`);
     let canPushMore = true;
     while (this.backpressuredArray.data.length > 0 && canPushMore) {
       const nextChunk = this.backpressuredArray.shift();

ts_web/00_commitinfo_data.ts

@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@push.rocks/smartstream',
-  version: '3.2.0',
+  version: '3.2.4',
   description: 'A library to simplify the creation and manipulation of Node.js streams, providing utilities for handling transform, duplex, and readable/writable streams effectively in TypeScript.'
 }