From 830c547e5f8803593a3f2933e0bc3d4c47cb6869 Mon Sep 17 00:00:00 2001
From: Guy Bedford <guybedford@gmail.com>
Date: Fri, 30 Jul 2021 10:36:53 -0700
Subject: [PATCH] module: fix ERR_REQUIRE_ESM error for null frames

---
 lib/internal/errors.js              | 2 +-
 test/fixtures/es-modules/cjs-esm.js | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/internal/errors.js b/lib/internal/errors.js
index 1853315ba5c7bd..25b847b140a6df 100644
--- a/lib/internal/errors.js
+++ b/lib/internal/errors.js
@@ -808,7 +808,7 @@ function hideInternalStackFrames(error) {
     if (typeof stackFrames === 'object') {
       frames = ArrayPrototypeFilter(
         stackFrames,
-        (frm) => !StringPrototypeStartsWith(frm.getFileName(),
+        (frm) => !StringPrototypeStartsWith(frm.getFileName() || '',
                                             'node:internal')
       );
     }
diff --git a/test/fixtures/es-modules/cjs-esm.js b/test/fixtures/es-modules/cjs-esm.js
index 3599178996800d..482ee18454e1ae 100644
--- a/test/fixtures/es-modules/cjs-esm.js
+++ b/test/fixtures/es-modules/cjs-esm.js
@@ -1 +1 @@
-require('./package-type-module/cjs.js');
+eval("require('./package-type-module/cjs.js')");