From a08ff4b2f2af7fe41d6139880ade2acbbb896fc3 Mon Sep 17 00:00:00 2001
From: Biki-das <bikid475@gmail.com>
Date: Sat, 29 Jan 2022 23:33:18 +0530
Subject: [PATCH] Added allowing for tests in node modules

---
 docs/Configuration.md                   | 2 ++
 packages/jest-config/src/ValidConfig.ts | 1 +
 packages/jest-haste-map/src/types.ts    | 1 +
 packages/jest-types/src/Config.ts       | 2 ++
 4 files changed, 6 insertions(+)

diff --git a/docs/Configuration.md b/docs/Configuration.md
index db32780483b3..3a4c9104dd3b 100644
--- a/docs/Configuration.md
+++ b/docs/Configuration.md
@@ -508,6 +508,8 @@ type HasteConfig = {
   /** All platforms to target, e.g ['ios', 'android']. */
   platforms?: Array<string>;
   /** Whether to throw on error on module collision. */
+  // Whether to search for tests in node_modules.
+  retainAllFiles?: boolean;
   throwOnModuleCollision?: boolean;
   /** Custom HasteMap module */
   hasteMapModulePath?: string;
diff --git a/packages/jest-config/src/ValidConfig.ts b/packages/jest-config/src/ValidConfig.ts
index 932e7737d904..11544db86848 100644
--- a/packages/jest-config/src/ValidConfig.ts
+++ b/packages/jest-config/src/ValidConfig.ts
@@ -64,6 +64,7 @@ const initialOptions: Config.InitialOptions = {
     hasteImplModulePath: '<rootDir>/haste_impl.js',
     hasteMapModulePath: '',
     platforms: ['ios', 'android'],
+    retainAllFiles: false,
     throwOnModuleCollision: false,
   },
   injectGlobals: true,
diff --git a/packages/jest-haste-map/src/types.ts b/packages/jest-haste-map/src/types.ts
index 335a61cb56a7..e73204d358eb 100644
--- a/packages/jest-haste-map/src/types.ts
+++ b/packages/jest-haste-map/src/types.ts
@@ -58,6 +58,7 @@ export type WorkerMessage = {
   rootDir: string;
   filePath: string;
   hasteImplModulePath?: string;
+  retainAllFiles?: boolean;
 };
 
 export type WorkerMetadata = {
diff --git a/packages/jest-types/src/Config.ts b/packages/jest-types/src/Config.ts
index d94e4296b5f5..3cba29442998 100644
--- a/packages/jest-types/src/Config.ts
+++ b/packages/jest-types/src/Config.ts
@@ -37,6 +37,8 @@ export type HasteConfig = {
   /** Whether to throw on error on module collision. */
   throwOnModuleCollision?: boolean;
   /** Custom HasteMap module */
+  /** Whether to search for tests in node_modules. */
+  retainAllFiles?: boolean;
   hasteMapModulePath?: string;
 };