From b7f794dfb3034d2173b9da957f48425adc4081c3 Mon Sep 17 00:00:00 2001
From: Bob Thomas <BThomas@tripwire.com>
Date: Thu, 10 Feb 2022 10:03:33 -0500
Subject: [PATCH] Fix custom resolver type

The custom resolver is allowed to return undefined (really, any falsy value) if a module is not found, but this type definition requires it to return a string. This fixes the definition to allow undefined.
---
 index.d.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/index.d.ts b/index.d.ts
index be5983f..9284e7f 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -20,7 +20,7 @@ export interface VMRequire {
   /** Collection of mock modules (both external or builtin). */
   mock?: any;
   /* An additional lookup function in case a module wasn't found in one of the traditional node lookup paths. */
-  resolve?: (moduleName: string, parentDirname: string) => string;
+  resolve?: (moduleName: string, parentDirname: string) => string | undefined;
   /** Custom require to require host and built-in modules. */
   customRequire?: (id: string) => any;
 }