From 1a24f2ac686f5ebc3802711a4dc83e52f7b3d963 Mon Sep 17 00:00:00 2001
From: Pooya Parsa <pyapar@gmail.com>
Date: Tue, 25 Jan 2022 16:26:26 +0100
Subject: [PATCH] fix: default _filename if null or falsy value passed

---
 src/jiti.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/jiti.ts b/src/jiti.ts
index d844f32a..eeafaeee 100644
--- a/src/jiti.ts
+++ b/src/jiti.ts
@@ -34,7 +34,7 @@ export interface JITI extends Require {
   register: () => (() => void)
 }
 
-export default function createJITI (_filename: string = process.cwd(), opts: JITIOptions = {}, parentModule?: typeof module): JITI {
+export default function createJITI (_filename: string, opts: JITIOptions = {}, parentModule?: typeof module): JITI {
   opts = { ...defaults, ...opts }
 
   // Cache dependencies
@@ -53,6 +53,9 @@ export default function createJITI (_filename: string = process.cwd(), opts: JIT
   }
 
   // If filename is dir, createRequire goes with parent directory, so we need fakepath
+  if (!_filename) {
+    _filename = process.cwd()
+  }
   if (isDir(_filename)) {
     _filename = join(_filename, 'index.js')
   }