init; collecting some of my commonly used utils

pkg/queue.ts

@@ -0,0 +1,40 @@
+export default class Queue<TData> extends Array<TData> {
+    constructor(...items: TData[]) {
+        super(...items);
+    }
+
+    public get isEmpty() {
+        return this.length == 0;
+    }
+
+    public get isNotEmpty() {
+        return this.length > 0;
+    }
+
+    public enqueue(item: TData) {
+        this.push(item);
+        return this;
+    }
+
+    public dequeue() {
+        return this.shift();
+    }
+
+    public async* walk({ interval = 1000, chunkSize = 1 }) {
+        while (this.isNotEmpty) {
+            const item = this.getChunk(chunkSize);
+            await new Promise(resolve => setTimeout(resolve, interval));
+            yield item;
+        }
+    }
+
+    private getChunk(length: number) {
+        const chunk = [];
+
+        while (chunk.length < length && this.isNotEmpty) {
+            chunk.push(this.dequeue());
+        }
+
+        return chunk;
+    }
+}