fix(core): update

ts/00_commitinfo_data.ts

@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@push.rocks/lik',
-  version: '6.0.11',
+  version: '6.0.12',
   description: 'light little helpers for node'
 }

ts/backpressuredarray.ts

@@ -4,6 +4,7 @@ export class BackpressuredArray<T> {
   public data: T[];
   private highWaterMark: number;
   public hasSpace = new plugins.smartrx.rxjs.Subject<'hasSpace'>();
+  private itemsAvailable = new plugins.smartrx.rxjs.Subject<'itemsAvailable'>();
 
   constructor(highWaterMark: number = 16) {
     this.data = [];
@@ -12,11 +13,13 @@ export class BackpressuredArray<T> {
 
   push(item: T): boolean {
     this.data.push(item);
+    this.itemsAvailable.next('itemsAvailable');
+    
     const spaceAvailable = this.checkSpaceAvailable();
     if (spaceAvailable) {
       this.hasSpace.next('hasSpace');
     }
-    return spaceAvailable
+    return spaceAvailable;
   }
 
   shift(): T | undefined {
@@ -43,4 +46,18 @@ export class BackpressuredArray<T> {
       }
     });
   }
+
+  // New method to wait for items
+  waitForItems(): Promise<void> {
+    return new Promise<void>((resolve) => {
+      if (this.data.length > 0) {
+        resolve();
+      } else {
+        const subscription = this.itemsAvailable.subscribe(() => {
+          subscription.unsubscribe();
+          resolve();
+        });
+      }
+    });
+  }
 }