From 36495bd5e0cf2ec25091658f1d0a203dea33c484 Mon Sep 17 00:00:00 2001
From: Simen Bekkhus <sbekkhus91@gmail.com>
Date: Mon, 16 Nov 2020 13:28:08 +0100
Subject: [PATCH] fix(jest): update cache function for new Jest 27 API

---
 packages/fbjs-scripts/jest/createCacheKeyFunction.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/packages/fbjs-scripts/jest/createCacheKeyFunction.js b/packages/fbjs-scripts/jest/createCacheKeyFunction.js
index 89091896..2e73413d 100644
--- a/packages/fbjs-scripts/jest/createCacheKeyFunction.js
+++ b/packages/fbjs-scripts/jest/createCacheKeyFunction.js
@@ -32,6 +32,8 @@ function getGlobalCacheKey(files, values) {
 
 function getCacheKeyFunction(globalCacheKey) {
   return (src, file, configString, options) => {
+    // Jest 27 passes a single options bag which contains `configString` rather than as a separate argument
+    options = options || configString;
     const {instrument, config} = options;
     const rootDir = config && config.rootDir;