client reference proxy should implement getOwnPropertyDescriptor. One practical place where this shows up is when consuming CJS module.exports in ESM modules. Node creates named exports it statically infers from the underlying source but it only sets the named export if the CJS exports hasOwnProperty. This trap will allow the proxy to respond affirmatively.

Author: gnoff

fixtures/flight/src/App.js

@@ -10,6 +10,10 @@ const Counter3 = await(AsyncModule);
 import ShowMore from './ShowMore.js';
 import Button from './Button.js';
 import Form from './Form.js';
+import {Dynamic} from './Dynamic.js';
+import {Client} from './Client.js';
+
+import {Note} from './cjs/Note.js';
 
 import {like, greet} from './actions.js';
 
@@ -43,6 +47,11 @@ export default async function App() {
           <div>
             <Button action={like}>Like</Button>
           </div>
+          <div>
+            loaded statically: <Dynamic />
+          </div>
+          <Client />
+          <Note />
         </Container>
       </body>
     </html>

fixtures/flight/src/Client.js

@@ -0,0 +1,21 @@
+'use client';
+
+import * as React from 'react';
+
+let LazyDynamic = React.lazy(() =>
+  import('./Dynamic.js').then(exp => ({default: exp.Dynamic}))
+);
+
+export function Client() {
+  const [loaded, load] = React.useReducer(() => true, false);
+
+  return loaded ? (
+    <div>
+      loaded dynamically: <LazyDynamic />
+    </div>
+  ) : (
+    <div>
+      <button onClick={load}>Load dynamic import Component</button>
+    </div>
+  );
+}

fixtures/flight/src/Dynamic.js

@@ -0,0 +1,12 @@
+'use client';
+
+import * as React from 'react';
+
+export function Dynamic() {
+  return (
+    <div>
+      This client component should be loaded in a single chunk even when it is
+      used as both a client reference and as a dynamic import.
+    </div>
+  );
+}

fixtures/flight/src/cjs/Note.js

@@ -0,0 +1,11 @@
+'use client';
+
+var React = require('react');
+
+function Note() {
+  return 'This component was exported on a commonJS module and imported into ESM as a named import.';
+}
+
+module.exports = {
+  Note,
+};

fixtures/flight/yarn.lock

@@ -2690,17 +2690,17 @@
     fastq "^1.6.0"
 
 "@pmmmwh/react-refresh-webpack-plugin@^0.5.3":
-  version "0.5.7"
-  resolved "https://registry.yarnpkg.com/@pmmmwh/react-refresh-webpack-plugin/-/react-refresh-webpack-plugin-0.5.7.tgz#58f8217ba70069cc6a73f5d7e05e85b458c150e2"
-  integrity sha512-bcKCAzF0DV2IIROp9ZHkRJa6O4jy7NlnHdWL3GmcUxYWNjLXkK5kfELELwEfSP5hXPfVL/qOGMAROuMQb9GG8Q==
+  version "0.5.11"
+  resolved "https://registry.yarnpkg.com/@pmmmwh/react-refresh-webpack-plugin/-/react-refresh-webpack-plugin-0.5.11.tgz#7c2268cedaa0644d677e8c4f377bc8fb304f714a"
+  integrity sha512-7j/6vdTym0+qZ6u4XbSAxrWBGYSdCfTzySkj7WAFgDLmSyWlOrWvpyzxlFh5jtw9dn0oL/jtW+06XfFiisN3JQ==
   dependencies:
     ansi-html-community "^0.0.8"
     common-path-prefix "^3.0.0"
-    core-js-pure "^3.8.1"
+    core-js-pure "^3.23.3"
     error-stack-parser "^2.0.6"
     find-up "^5.0.0"
     html-entities "^2.1.0"
-    loader-utils "^2.0.0"
+    loader-utils "^2.0.4"
     schema-utils "^3.0.0"
     source-map "^0.7.3"
 
@@ -3002,7 +3002,7 @@
     expect "^28.0.0"
     pretty-format "^28.0.0"
 
-"@types/json-schema@*", "@types/json-schema@^7.0.5", "@types/json-schema@^7.0.6":
+"@types/json-schema@*", "@types/json-schema@^7.0.5":
   version "7.0.6"
   resolved "https://registry.yarnpkg.com/@types/json-schema/-/json-schema-7.0.6.tgz#f4c7ec43e81b319a9815115031709f26987891f0"
   integrity sha512-3c+yGKvVP5Y9TYBEibGNR+kLtijnj7mYrXRg+WpFb2X9xm04g/DXYkfg4hmzJQosc9snFNUPkbYIhu+KAm6jJw==
@@ -4050,10 +4050,10 @@ core-js-compat@^3.30.1, core-js-compat@^3.30.2:
   dependencies:
     browserslist "^4.21.5"
 
-core-js-pure@^3.8.1:
-  version "3.24.1"
-  resolved "https://registry.yarnpkg.com/core-js-pure/-/core-js-pure-3.24.1.tgz#8839dde5da545521bf282feb7dc6d0b425f39fd3"
-  integrity sha512-r1nJk41QLLPyozHUUPmILCEMtMw24NG4oWK6RbsDdjzQgg9ZvrUsPBj1MnG0wXXp1DCDU6j+wUvEmBSrtRbLXg==
+core-js-pure@^3.23.3:
+  version "3.32.1"
+  resolved "https://registry.yarnpkg.com/core-js-pure/-/core-js-pure-3.32.1.tgz#5775b88f9062885f67b6d7edce59984e89d276f3"
+  integrity sha512-f52QZwkFVDPf7UEQZGHKx6NYxsxmVGJe5DIvbzOdRMJlmT6yv0KDjR8rmy3ngr/t5wU54c7Sp/qIJH0ppbhVpQ==
 
 cosmiconfig@^6.0.0:
   version "6.0.0"
@@ -4582,11 +4582,11 @@ error-ex@^1.3.1:
     is-arrayish "^0.2.1"
 
 error-stack-parser@^2.0.6:
-  version "2.0.6"
-  resolved "https://registry.yarnpkg.com/error-stack-parser/-/error-stack-parser-2.0.6.tgz#5a99a707bd7a4c58a797902d48d82803ede6aad8"
-  integrity sha512-d51brTeqC+BHlwF0BhPtcYgF5nlzf9ZZ0ZIUQNZpc9ZB9qw5IJ2diTrBY9jlCJkTLITYPjmiX6OWCwH+fuyNgQ==
+  version "2.1.4"
+  resolved "https://registry.yarnpkg.com/error-stack-parser/-/error-stack-parser-2.1.4.tgz#229cb01cdbfa84440bfa91876285b94680188286"
+  integrity sha512-Sk5V6wVazPhq5MhpO+AUxJn5x7XSXGl1R93Vn7i+zS15KDVxQijejNCrz8340/2bgLBjR9GtEG8ZVKONDjcqGQ==
   dependencies:
-    stackframe "^1.1.1"
+    stackframe "^1.3.4"
 
 es-abstract@^1.12.0:
   version "1.16.0"
@@ -4751,8 +4751,9 @@ fast-glob@^3.2.11, fast-glob@^3.2.9:
     micromatch "^4.0.4"
 
 fast-json-stable-stringify@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz#d5142c0caee6b1189f87d3a76111064f86c8bbf2"
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/fast-json-stable-stringify/-/fast-json-stable-stringify-2.1.0.tgz#874bf69c6f404c2b5d99c481341399fd55892633"
+  integrity sha512-lhd/wF+Lk98HZoTCtlVraHtfh5XYijIjalXck7saUtuanSDyLMxnHhSXEDJqHxD7msR8D0uCmqlkwjCV8xvwHw==
 
 fast-levenshtein@~2.0.4:
   version "2.0.6"
@@ -5074,9 +5075,9 @@ html-encoding-sniffer@^2.0.1:
     whatwg-encoding "^1.0.5"
 
 html-entities@^2.1.0:
-  version "2.3.3"
-  resolved "https://registry.yarnpkg.com/html-entities/-/html-entities-2.3.3.tgz#117d7626bece327fc8baace8868fa6f5ef856e46"
-  integrity sha512-DV5Ln36z34NNTDgnz0EWGBLZENelNAtkiFA4kyNOG2tDI6Mz1uSWiq1wAKdyjnJwyDiDO7Fa2SO1CTxPXL8VxA==
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/html-entities/-/html-entities-2.4.0.tgz#edd0cee70402584c8c76cc2c0556db09d1f45061"
+  integrity sha512-igBTJcNNNhvZFRtm8uA6xMY6xYleeDwn3PeBCkDz7tHttv4F2hsDI2aPgNERWzvRcNYHNT3ymRaQzllmXj4YsQ==
 
 html-escaper@^2.0.0:
   version "2.0.2"
@@ -5958,17 +5959,23 @@ json-parse-even-better-errors@^2.3.0, json-parse-even-better-errors@^2.3.1:
 json-schema-traverse@^0.4.1:
   version "0.4.1"
   resolved "https://registry.yarnpkg.com/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz#69f6a87d9513ab8bb8fe63bdb0979c448e684660"
+  integrity sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg==
 
 json-schema-traverse@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/json-schema-traverse/-/json-schema-traverse-1.0.0.tgz#ae7bcb3656ab77a73ba5c49bf654f38e6b6860e2"
   integrity sha512-NM8/P9n3XjXhIZn1lLhkFaACTOURQXjWhV4BA/RnOv8xvgqtqpAX9IO4mRQxSx1Rlo4tqzeqb0sOlruaOy3dug==
 
-json5@^2.1.0, json5@^2.1.2, json5@^2.2.1:
+json5@^2.1.0, json5@^2.2.1:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/json5/-/json5-2.2.1.tgz#655d50ed1e6f95ad1a3caababd2b0efda10b395c"
   integrity sha512-1hqLFMSrGHRHxav9q9gNjJ5EXznIxGVO09xQRrwplcS8qs28pZ8s8hupZAmqDwZUmVZ2Qb2jnyPOWcDH8m8dlA==
 
+json5@^2.1.2:
+  version "2.2.3"
+  resolved "https://registry.yarnpkg.com/json5/-/json5-2.2.3.tgz#78cd6f1a19bdc12b73db5ad0c61efd66c1e29283"
+  integrity sha512-XmOWe7eyHYH14cLdVPoyg+GOH3rYX++KpzrylJwSW98t3Nk+U8XOl8FWKOgwtzdb8lXGf6zYwDUzeHMWfxasyg==
+
 jsonfile@^6.0.1:
   version "6.1.0"
   resolved "https://registry.yarnpkg.com/jsonfile/-/jsonfile-6.1.0.tgz#bc55b2634793c679ec6403094eb13698a6ec0aae"
@@ -6017,7 +6024,7 @@ loader-runner@^4.2.0:
   resolved "https://registry.yarnpkg.com/loader-runner/-/loader-runner-4.3.0.tgz#c1b4a163b99f614830353b16755e7149ac2314e1"
   integrity sha512-3R/1M+yS3j5ou80Me59j7F9IMs4PXs3VqRrm0TU3AbKPxlmpoY1TNscJV/oGJXo8qCatFGTfDbY6W6ipGOYXfg==
 
-loader-utils@^2.0.0:
+loader-utils@^2.0.0, loader-utils@^2.0.4:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/loader-utils/-/loader-utils-2.0.4.tgz#8b5cb38b5c34a9a018ee1fc0e6a066d1dfcc528c"
   integrity sha512-xXqpXoINfFhgua9xiqD8fPFHgkoq1mmmpE92WlDbm9rNRd/EbRb+Gqf908T2DMfuHjjJlksiK2RbHVOdD/MqSw==
@@ -7260,7 +7267,12 @@ pstree.remy@^1.1.8:
   resolved "https://registry.yarnpkg.com/pstree.remy/-/pstree.remy-1.1.8.tgz#c242224f4a67c21f686839bbdb4ac282b8373d3a"
   integrity sha512-77DZwxQmxKnu3aR542U+X8FypNzbfJ+C5XQDk3uWjWxn6151aIMGthWYRXTqT1E5oJvg+ljaa2OJi+VfvCOQ8w==
 
-punycode@^2.1.0, punycode@^2.1.1:
+punycode@^2.1.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/punycode/-/punycode-2.3.0.tgz#f67fa67c94da8f4d0cfff981aee4118064199b8f"
+  integrity sha512-rRV+zQD8tVFys26lAGR9WUuS4iUAngJScM+ZRSKtvl5tKeZ2t5bvdNFdNHBW9FWR4guGHlgmsZ1G7BSm2wTbuA==
+
+punycode@^2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-2.1.1.tgz#b58b010ac40c22c5657616c8d2c2c02c7bf479ec"
 
@@ -7688,11 +7700,11 @@ schema-utils@^2.6.5:
     ajv-keywords "^3.5.2"
 
 schema-utils@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-3.0.0.tgz#67502f6aa2b66a2d4032b4279a2944978a0913ef"
-  integrity sha512-6D82/xSzO094ajanoOSbe4YvXWMfn2A//8Y1+MUqFAJul5Bs+yn36xbK9OtNDcRVSBJ9jjeoXftM6CfztsjOAA==
+  version "3.3.0"
+  resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-3.3.0.tgz#f50a88877c3c01652a15b622ae9e9795df7a60fe"
+  integrity sha512-pN/yOAvcC+5rQ5nERGuwrjLlYvLTbCibnZ1I7B1LaiAz9BRBlE9GMgE/eqV30P7aJQUf7Ddimy/RsbYO/GrVGg==
   dependencies:
-    "@types/json-schema" "^7.0.6"
+    "@types/json-schema" "^7.0.8"
     ajv "^6.12.5"
     ajv-keywords "^3.5.2"
 
@@ -7862,9 +7874,9 @@ source-map@^0.5.0:
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
 
 source-map@^0.7.3:
-  version "0.7.3"
-  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.7.3.tgz#5302f8169031735226544092e64981f751750383"
-  integrity sha512-CkCj6giN3S+n9qrYiBTX5gystlENnRW5jZeNLHpe6aue+SrHcG5VYwujhW9s4dY31mEGsxBDrHR6oI69fTXsaQ==
+  version "0.7.4"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.7.4.tgz#a9bbe705c9d8846f4e08ff6765acf0f1b0898656"
+  integrity sha512-l3BikUxvPOcn5E74dZiq5BGsTb5yEwhaTSzccU6t4sDOH8NWJCstKO5QT2CvtFoK6F0saL7p9xHAqHOlCPJygA==
 
 spawn-command@^0.0.2-1:
   version "0.0.2-1"
@@ -7886,10 +7898,10 @@ stack-utils@^2.0.3:
   dependencies:
     escape-string-regexp "^2.0.0"
 
-stackframe@^1.1.1:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/stackframe/-/stackframe-1.2.0.tgz#52429492d63c62eb989804c11552e3d22e779303"
-  integrity sha512-GrdeshiRmS1YLMYgzF16olf2jJ/IzxXY9lhKOskuVziubpTYcYqyOwYeJKzQkwy7uN0fYSsbsC4RQaXf9LCrYA==
+stackframe@^1.3.4:
+  version "1.3.4"
+  resolved "https://registry.yarnpkg.com/stackframe/-/stackframe-1.3.4.tgz#b881a004c8c149a5e8efef37d51b16e412943310"
+  integrity sha512-oeVtt7eWQS+Na6F//S4kJ2K2VbRlS9D43mAlMyVpVWovy9o+jfgH8O9agzANzaiLjclA0oYzUXEM4PurhSUChw==
 
 [email protected]:
   version "2.0.1"
@@ -8379,8 +8391,9 @@ update-browserslist-db@^1.0.5:
     picocolors "^1.0.0"
 
 uri-js@^4.2.2:
-  version "4.2.2"
-  resolved "https://registry.yarnpkg.com/uri-js/-/uri-js-4.2.2.tgz#94c540e1ff772956e2299507c010aea6c8838eb0"
+  version "4.4.1"
+  resolved "https://registry.yarnpkg.com/uri-js/-/uri-js-4.4.1.tgz#9b1a52595225859e55f669d928f88c6c57f2a77e"
+  integrity sha512-7rKUyy33Q1yc98pQ1DAmLtwX109F7TIfWlW1Ydo8Wl1ii1SeHieeh0HHfPeL2fMXK6z0s8ecKs9frCuLJvndBg==
   dependencies:
     punycode "^2.1.0"