From 5c97bf3ed9c27e1a27fbb6c81df53abab0fbb8e5 Mon Sep 17 00:00:00 2001
From: Simen Bekkhus <sbekkhus91@gmail.com>
Date: Sun, 17 Oct 2021 19:40:48 +0200
Subject: [PATCH] allow empty string if they exist

---
 packages/jest-resolve/src/defaultResolver.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/jest-resolve/src/defaultResolver.ts b/packages/jest-resolve/src/defaultResolver.ts
index 52df2242646b..1c461feab16e 100644
--- a/packages/jest-resolve/src/defaultResolver.ts
+++ b/packages/jest-resolve/src/defaultResolver.ts
@@ -105,7 +105,7 @@ function createPackageFilter(
       filteredPkg = userFilter(filteredPkg, packageDir);
     }
 
-    if (filteredPkg.main) {
+    if (filteredPkg.main != null) {
       return filteredPkg;
     }