vendor type in

Author: mydea

packages/core/src/utils/handleCallbackErrors.ts

@@ -1,5 +1,16 @@
 import { isThenable } from '../utils/is';
 
+/* eslint-disable */
+// Vendor this in to be TS 3.8 compatible
+type Awaited<T> = T extends null | undefined
+  ? T // special case for `null | undefined` when not in `--strictNullChecks` mode
+  : T extends object & { then(onfulfilled: infer F, ...args: infer _): any } // `await` only unwraps object types with a callable `then`. Non-object types are not unwrapped
+    ? F extends (value: infer V, ...args: infer _) => any // if the argument to `then` is callable, extracts the first argument
+      ? Awaited<V> // recursively unwrap the value
+      : never // the argument to `then` was not callable
+    : T; // non-object or non-thenable
+/* eslint-enable */
+
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
 export function handleCallbackErrors<Fn extends () => Promise<any>, PromiseValue = Awaited<ReturnType<Fn>>>(
   fn: Fn,