diff --git a/src/prelude/types.ts b/src/prelude/types.ts
new file mode 100644
index 0000000000..b8c49f9292
--- /dev/null
+++ b/src/prelude/types.ts
@@ -0,0 +1 @@
+export type Resolved<P> = P extends PromiseLike<infer R> ? Resolved<R> : never;