fix(core): update

ts/00_commitinfo_data.ts

@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@push.rocks/lik',
-  version: '6.0.7',
+  version: '6.0.8',
   description: 'light little helpers for node'
 }

ts/backpressuredarray.ts

@@ -31,4 +31,17 @@ export class BackpressuredArray<T> {
   checkSpaceAvailable(): boolean {
     return this.data.length < this.highWaterMark;
   }
+
+  waitForSpace(): Promise<void> {
+    return new Promise<void>((resolve) => {
+      if (this.checkSpaceAvailable()) {
+        resolve();
+      } else {
+        const subscription = this.hasSpace.subscribe(() => {
+          subscription.unsubscribe();
+          resolve();
+        });
+      }
+    });
+  }
 }