add day 14

Author: zyhou

2024/14/index.ts

@@ -0,0 +1,26 @@
+/* eslint-disable @typescript-eslint/require-await */
+import type { Expect, Equal } from "type-testing";
+
+type PerfReview<T> =
+  T extends AsyncGenerator<infer Y, unknown, never> ? Y : never;
+
+// ------------------- Test section ---------------------
+
+async function* numberAsyncGenerator() {
+  yield 1;
+  yield 2;
+  yield 3;
+}
+type t0_type = typeof numberAsyncGenerator;
+type t0_actual = PerfReview<ReturnType<t0_type>>;
+type t0_expected = 1 | 2 | 3;
+type t0 = Expect<Equal<t0_actual, t0_expected>>;
+
+async function* stringAsyncGenerator() {
+  yield "1%";
+  yield "2%";
+}
+type t1_type = typeof stringAsyncGenerator;
+type t1_actual = PerfReview<ReturnType<t1_type>>;
+type t1_expected = "1%" | "2%";
+type t1 = Expect<Equal<t1_actual, t1_expected>>;