3.0.29

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@push.rocks/smartstream",
-  "version": "3.0.27",
+  "version": "3.0.29",
   "private": false,
   "description": "simplifies access to node streams",
   "main": "dist_ts/index.js",

ts/00_commitinfo_data.ts

@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@push.rocks/smartstream',
-  version: '3.0.27',
+  version: '3.0.29',
   description: 'simplifies access to node streams'
 }

ts/smartstream.classes.smartduplex.ts

@@ -46,10 +46,10 @@ export class SmartDuplex<TInput = any, TOutput = any> extends Duplex {
 
   constructor(optionsArg?: ISmartDuplexOptions<TInput, TOutput>) {
     super(Object.assign({
-      highWaterMark: 1,
+      highWaterMark: 4,
     }, optionsArg));
     this.options = optionsArg;
-    this.backpressuredArray = new plugins.lik.BackpressuredArray<TOutput>(this.options.highWaterMark || 1)
+    this.backpressuredArray = new plugins.lik.BackpressuredArray<TOutput>(this.options.highWaterMark || 4)
   }
 
   public async _read(size: number): Promise<void> {
@@ -66,6 +66,15 @@ export class SmartDuplex<TInput = any, TOutput = any> extends Duplex {
     }
   }
 
+  public async backpressuredPush (pushArg: TOutput) {
+    const canPushMore = this.backpressuredArray.push(pushArg);
+    if (!canPushMore) {
+      this.debugLog(`${this.options.name}: cannot push more`);
+      await this.backpressuredArray.waitForSpace();
+      this.debugLog(`${this.options.name}: can push more again`);
+    }
+  };
+
   private asyncWritePromiseObjectmap = new plugins.lik.ObjectMap<Promise<any>>();
   // Ensure the _write method types the chunk as TInput and encodes TOutput
   public async _write(chunk: TInput, encoding: string, callback: (error?: Error | null) => void) {
@@ -81,13 +90,8 @@ export class SmartDuplex<TInput = any, TOutput = any> extends Duplex {
         callback();
       },
       push: async (pushArg: TOutput) => {
-        const canPushMore = this.backpressuredArray.push(pushArg);
-        if (!canPushMore) {
-          this.debugLog(`${this.options.name}: cannot push more`);
-          await this.backpressuredArray.waitForSpace();
-          this.debugLog(`${this.options.name}: can push more again`);
-        }
-      },
+        await this.backpressuredPush(pushArg);
+      }
     };
 
     try {