From 083f4f12c8378df03070f0ea4fabf1c072494e5e Mon Sep 17 00:00:00 2001
From: Caleb Ukle <caleb@nrwl.io>
Date: Thu, 6 Apr 2023 14:10:47 -0500
Subject: [PATCH] fix(testing):  correctly error with jest.mock for invalid
 filepaths (#15445)

---
 packages/jest/plugins/resolver.ts | 10 +++++++---
 scripts/patched-jest-resolver.js  |  8 ++++++--
 2 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/packages/jest/plugins/resolver.ts b/packages/jest/plugins/resolver.ts
index 66abd9d7ae1cf..25849f52db33f 100644
--- a/packages/jest/plugins/resolver.ts
+++ b/packages/jest/plugins/resolver.ts
@@ -1,4 +1,4 @@
-import { dirname, extname } from 'path';
+import { dirname, extname, join } from 'path';
 import { resolve as resolveExports } from 'resolve.exports';
 import type defaultResolver from 'jest-resolve/build/defaultResolver';
 
@@ -81,7 +81,11 @@ module.exports = function (path: string, options: ResolveOptions) {
     ts = ts || require('typescript');
     compilerSetup = compilerSetup || getCompilerSetup(options.rootDir);
     const { compilerOptions, host } = compilerSetup;
-    return ts.resolveModuleName(path, options.basedir, compilerOptions, host)
-      .resolvedModule.resolvedFileName;
+    return ts.resolveModuleName(
+      path,
+      join(options.basedir, 'fake-placeholder.ts'),
+      compilerOptions,
+      host
+    ).resolvedModule.resolvedFileName;
   }
 };
diff --git a/scripts/patched-jest-resolver.js b/scripts/patched-jest-resolver.js
index c365ac167e144..6a0c038f0f708 100644
--- a/scripts/patched-jest-resolver.js
+++ b/scripts/patched-jest-resolver.js
@@ -91,7 +91,11 @@ module.exports = function (path, options) {
     } else if (path === '@nrwl/devkit/testing') {
       return join(__dirname, '../', './packages/devkit/testing.js');
     }
-    return ts.resolveModuleName(path, options.basedir, compilerOptions, host)
-      .resolvedModule.resolvedFileName;
+    return ts.resolveModuleName(
+      path,
+      join(options.basedir, 'fake-placeholder.ts'),
+      compilerOptions,
+      host
+    ).resolvedModule.resolvedFileName;
   }
 };