From b6fa6d1bb370e92792fa451a4d8b2b2cb01196c3 Mon Sep 17 00:00:00 2001
From: Vladislav Tarasov <vlad-tarasov@yandex-team.ru>
Date: Wed, 19 May 2021 20:32:40 +0300
Subject: [PATCH] Make caller optional

---
 packages/next/build/babel/plugins/react-loadable-plugin.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/next/build/babel/plugins/react-loadable-plugin.ts b/packages/next/build/babel/plugins/react-loadable-plugin.ts
index f6491aac59f3b1..0362243409a971 100644
--- a/packages/next/build/babel/plugins/react-loadable-plugin.ts
+++ b/packages/next/build/babel/plugins/react-loadable-plugin.ts
@@ -145,13 +145,14 @@ export default function ({
             Import(importPath) {
               const importArguments = importPath.parentPath.get('arguments')
               if (!Array.isArray(importArguments)) return
+
               const node: any = importArguments[0].node
               dynamicImports.push(node)
               dynamicKeys.push(
                 t.binaryExpression(
                   '+',
                   t.stringLiteral(
-                    (state.file.opts.caller.pagesDir
+                    (state.file.opts.caller?.pagesDir
                       ? relativePath(
                           state.file.opts.caller.pagesDir,
                           state.file.opts.filename