From 45cf294495d10266f206997949f76a116f456763 Mon Sep 17 00:00:00 2001
From: Ray <rayw.public@gmail.com>
Date: Thu, 16 Jun 2022 18:26:36 +0800
Subject: [PATCH] module: enable subpath imports in REPL

fix: https://github.com/nodejs/node/issues/43410
---
 lib/internal/modules/cjs/loader.js | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/lib/internal/modules/cjs/loader.js b/lib/internal/modules/cjs/loader.js
index 34327a70045fca..085674530f59a5 100644
--- a/lib/internal/modules/cjs/loader.js
+++ b/lib/internal/modules/cjs/loader.js
@@ -900,8 +900,8 @@ Module._resolveFilename = function(request, parent, isMain, options) {
     paths = Module._resolveLookupPaths(request, parent);
   }
 
-  if (parent?.filename) {
-    if (request[0] === '#') {
+  if (request[0] === '#') {
+    if (parent?.filename) {
       const pkg = readPackageScope(parent.filename) || {};
       if (pkg.data?.imports != null) {
         try {
@@ -915,6 +915,20 @@ Module._resolveFilename = function(request, parent, isMain, options) {
           throw e;
         }
       }
+    } else if (parent.id === '<repl>') {
+      // Also enable package imports in REPL
+      const curloc = process.cwd() + path.sep;
+      try {
+        return finalizeEsmResolution(
+          packageImportsResolve(
+            request, pathToFileURL(curloc),
+            cjsConditions),
+          curloc, curloc);
+      } catch (e) {
+        if (e.code === 'ERR_MODULE_NOT_FOUND')
+          throw createEsmNotFoundErr(request);
+        throw e;
+      }
     }
   }