From 478ee1aa68c7919cc78780d4cc1eba90bcfac634 Mon Sep 17 00:00:00 2001
From: Artur Abdullin <30603428+ArturAbdullin@users.noreply.github.com>
Date: Wed, 10 Jul 2024 12:26:50 +0300
Subject: [PATCH] feat(CancellablePromise): add the allSettled static method
 (#13)

---
 lib/CancellablePromise.ts | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/lib/CancellablePromise.ts b/lib/CancellablePromise.ts
index b6628e8..8526d0a 100644
--- a/lib/CancellablePromise.ts
+++ b/lib/CancellablePromise.ts
@@ -16,6 +16,21 @@ export class CancellablePromise<T = unknown> implements Promise<T> {
         );
     }
 
+    static allSettled<Values extends readonly unknown[] | []>(values: Values) {
+        function cancel() {
+            for (const promise of values as CancellablePromise[]) {
+                promise.cancel();
+            }
+        }
+
+        return new CancellablePromise(
+            Promise.allSettled(values) as unknown as Promise<{
+                -readonly [P in keyof Values]: Awaited<Values[P]>;
+            }>,
+            cancel,
+        );
+    }
+
     static race<Values extends readonly unknown[] | []>(values: Values) {
         function cancel() {
             for (const promise of values as CancellablePromise[]) {