From 78595d131787923e1db8b4e785b11bf516239b3c Mon Sep 17 00:00:00 2001
From: Cameron Little <cameron@camlittle.com>
Date: Sun, 16 Aug 2020 12:37:11 +0200
Subject: [PATCH] wip: modify wrappers

---
 packages/jest-jasmine2/src/index.ts | 26 +++++++++++---------------
 1 file changed, 11 insertions(+), 15 deletions(-)

diff --git a/packages/jest-jasmine2/src/index.ts b/packages/jest-jasmine2/src/index.ts
index 477114c8b6cb..6c8adb3cf85e 100644
--- a/packages/jest-jasmine2/src/index.ts
+++ b/packages/jest-jasmine2/src/index.ts
@@ -13,7 +13,6 @@ import type {SnapshotStateType} from 'jest-snapshot';
 import type {RuntimeType as Runtime} from 'jest-runtime';
 
 import {getCallsite} from '@jest/source-map';
-import {unlink} from 'graceful-fs';
 import installEach from './each';
 import {installErrorOnPrivate} from './errorOnPrivate';
 import JasmineReporter from './reporter';
@@ -48,10 +47,14 @@ async function jasmine2(
   // TODO: Remove config option if V8 exposes some way of getting location of caller
   // in a future version
   if (config.testLocationInResults === true) {
-    function wrapIt(original: (...args: Array<unknown>) => unknown) {
-      return (...args: Array<unknown>) => {
+    function wrapIt<T extends Global.ItBase>(original: T): T {
+      const wrapped = (
+        testName: Global.TestName,
+        fn: Global.TestFn,
+        timeout?: number,
+      ) => {
         let stack = getCallsite(1, runtime.getSourceMaps());
-        const it = original(...args);
+        const it = original(testName, fn, timeout);
 
         if (stack.getFileName()?.includes('/jest-each/')) {
           stack = getCallsite(4, runtime.getSourceMaps());
@@ -61,19 +64,12 @@ async function jasmine2(
 
         return it;
       };
+      return (wrapped as any) as T;
     }
 
-    environment.global.it = wrapIt(
-      environment.global.it,
-    ) as Global.Global['it'];
-
-    environment.global.it = wrapIt(
-      environment.global.xit,
-    ) as Global.Global['xit'];
-
-    environment.global.fit = wrapIt(
-      environment.global.fit,
-    ) as Global.Global['fit'];
+    environment.global.it = wrapIt(environment.global.it);
+    environment.global.xit = wrapIt(environment.global.xit);
+    environment.global.fit = wrapIt(environment.global.fit);
   }
 
   jasmineAsyncInstall(globalConfig, environment.global);