feat: @discordjs/ws (#8260)

Co-authored-by: Parbez <imranbarbhuiya.fsd@gmail.com>

packages/ws/src/utils/utils.ts

@@ -0,0 +1,20 @@
+import type { ShardRange } from '../ws/WebSocketManager';
+
+export type Awaitable<T> = T | Promise<T>;
+
+/**
+ * Yields the numbers in the given range as an array
+ * @example
+ * range({ start: 3, end: 5 }); // [3, 4, 5]
+ */
+export function range({ start, end }: ShardRange): number[] {
+	return Array.from({ length: end - start + 1 }, (_, i) => i + start);
+}
+
+/**
+ * Lazily evaluate a callback, storing its result
+ */
+export function lazy<T>(cb: () => T): () => T {
+	let defaultValue: T;
+	return () => (defaultValue ??= cb());
+}