@clerk/nextjs is not a valid ESM package #6424
Description
Preliminary Checks
-
I have reviewed the documentation: https://clerk.com/docs
-
I have searched for existing issues: https://github.com/clerk/javascript/issues
-
I have not already reached out to Clerk support via email or Discord (if you have, no need to open an issue here)
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This issue is not a question, general help request, or anything other than a bug report directly related to Clerk. Please ask questions in our Discord community: https://clerk.com/discord.
Reproduction
https://stackblitz.com/edit/rollup-repro-idgkp8vx
Publishable key
pk_no_Key
Description
The sub imports inside the root should have an extension.
import "../chunk-BUSYA2B4.js";
import { createRouteMatcher } from "./routeMatcher";
import { verifyToken, createClerkClient } from "@clerk/backend";
import { clerkClient } from "./clerkClient";
import { getAuth } from "./createGetAuth";
import { buildClerkProps } from "./buildClerkProps";
import { auth } from "../app-router/server/auth";
import { currentUser } from "../app-router/server/currentUser";
import { clerkMiddleware } from "./clerkMiddleware";
import { reverificationErrorResponse, reverificationError } from "@clerk/backend/internal";
export {
auth,
buildClerkProps,
clerkClient,
clerkMiddleware,
createClerkClient,
createRouteMatcher,
currentUser,
getAuth,
reverificationError,
reverificationErrorResponse,
verifyToken
};
//# sourceMappingURL=index.js.map
Steps to reproduce:
- create an mjs script that import from @clerk/nextjs/server
Expected behavior:
Error [ERR_MODULE_NOT_FOUND]: Cannot find module '/home/projects/rollup-repro-unnj4jbw/node_modules/@clerk/nextjs/dist/esm/server/routeMatcher' imported from /home/projects/rollup-repro-unnj4jbw/node_modules/@clerk/nextjs/dist/esm/server/index.js
at finalizeResolution (node:internal/modules/esm/resolve:161:10481)
at moduleResolve (node:internal/modules/esm/resolve:161:10624)
at defaultResolve (node:internal/modules/esm/resolve:161:12052)
at ModuleLoader.defaultResolve (node:internal/modules/esm/loader:157:5815)
at #n (node:internal/modules/esm/loader:157:5397)
at ModuleLoader.resolve (node:internal/modules/esm/loader:157:5293)
at ModuleLoader.getModuleJobForImport (node:internal/modules/esm/loader:157:1852)
at ModuleJob._link (node:internal/modules/esm/module_job:158:1632) {
code: 'ERR_MODULE_NOT_FOUND',
url: 'file:///home/projects/rollup-repro-unnj4jbw/node_modules/@clerk/nextjs/dist/esm/server/routeMatcher'
}
Actual behavior:
it throws no error
Environment
System:
OS: macOS 15.5
CPU: (28) arm64 Apple M3 Ultra
Memory: 99.94 GB / 256.00 GB
Shell: 5.9 - /bin/zsh
Binaries:
Node: 22.14.0 - ~/.nvs/default/bin/node
npm: 11.4.2 - ~/.nvs/default/bin/npm
pnpm: 10.11.0 - ~/.nvs/default/bin/pnpm
bun: 1.2.15 - ~/.bun/bin/bun
Browsers:
Brave Browser: 137.1.79.123
Chrome: 138.0.7204.169
Safari: 18.5
npmPackages:
@ai-sdk/anthropic: ^1.2.12 => 1.2.12
@ai-sdk/openai: ^1.3.22 => 1.3.23
@ai-sdk/react: ^1.2.12 => 1.2.12
@clerk/clerk-js: ^5.77.0 => 5.77.0
@clerk/nextjs: ^6.25.4 => 6.25.4
@floating-ui/react: ^0.27.13 => 0.27.13
@google/genai: ^1.10.0 => 1.10.0
@hocuspocus/extension-logger: ^3.2.1 => 3.2.1
@hocuspocus/provider: ^3.2.1 => 3.2.1
@hocuspocus/server: ^3.2.0 => 3.2.1
@libsql/client: ^0.15.9 => 0.15.9
@libsql/darwin-arm64: ^0.5.13 => 0.5.13
@mastra/core: transpile-packages => 0.0.0-transpile-packages-20250724123433
@mastra/libsql: transpile-packages => 0.0.0-transpile-packages-20250724123433
@mastra/loggers: transpile-packages => 0.0.0-transpile-packages-20250724123433
@opentelemetry/core: ^2.0.1 => 2.0.1
@prisma/client: ^6.12.0 => 6.12.0
@radix-ui/react-collapsible: ^1.1.11 => 1.1.11
@radix-ui/react-icons: ^1.3.2 => 1.3.2
@radix-ui/react-slot: ^1.2.3 => 1.2.3
@repo/database: workspace:* => 0.0.0
@repo/design-system: workspace:* => 0.0.0
@repo/feature-flags: workspace:* => 0.0.0
@repo/next-config: workspace:* => 0.0.0
@repo/testing: workspace:* => 0.0.0
@repo/typescript-config: workspace:* => 0.0.0
@sentry/nextjs: ^9.22.0 => 9.36.0
@slate-yjs/core: ^1.0.2 => 1.0.2
@t3-oss/env-nextjs: ^0.13.8 => 0.13.8
@tanstack/react-query: ^5.82.0 => 5.83.0
@testing-library/dom: ^10.4.0 => 10.4.0
@testing-library/react: ^16.3.0 => 16.3.0
@types/jsonwebtoken: ^9.0.10 => 9.0.10
@types/lodash: ^4.17.20 => 4.17.20
@types/multer: ^2.0.0 => 2.0.0
@types/node: 22.15.21 => 22.15.21
@types/react: 19.1.5 => 19.1.5
@types/react-dom: 19.1.5 => 19.1.5
@uiw/react-json-view: 2.0.0-alpha.33 => 2.0.0-alpha.33
ai: 4.3.19 => 4.3.19
bcryptjs: ^3.0.2 => 3.0.2
class-variance-authority: ^0.7.1 => 0.7.1
classnames: ^2.5.1 => 2.5.1
clsx: ^2.1.1 => 2.1.1
concurrently: ^9.1.2 => 9.2.0
date-fns: ^4.1.0 => 4.1.0
framer-motion: ^11.18.2 => 11.18.2
fuse.js: ^7.1.0 => 7.1.0
import-in-the-middle: ^1.13.2 => 1.14.2
jose: ^6.0.11 => 6.0.11
jsdom: ^26.1.0 => 26.1.0
jsonrepair: ^3.13.0 => 3.13.0
jsonwebtoken: ^9.0.2 => 9.0.2
libsql: ^0.5.13 => 0.5.13
lodash: ^4.17.21 => 4.17.21
lucide-react: ^0.511.0 => 0.511.0
mammoth: ^1.9.1 => 1.9.1
mastra: transpile-packages => 0.0.0-transpile-packages-20250724123433
moment: ^2.30.1 => 2.30.1
multer: ^2.0.2 => 2.0.2
next: 15.3.2 => 15.3.2
next-themes: ^0.4.6 => 0.4.6
prisma: ^6.12.0 => 6.12.0
react: 19.1.0 => 19.1.0
react-dom: 19.1.0 => 19.1.0
react-inlinesvg: ^4.2.0 => 4.2.0
react-markdown: ^10.1.0 => 10.1.0
remark-gfm: ^4.0.1 => 4.0.1
remeda: ^2.24.0 => 2.25.0
require-in-the-middle: ^7.5.2 => 7.5.2
sass: ^1.89.2 => 1.89.2
shiki: ^1.17.7 => 1.29.2
slate: ^0.117.2 => 0.117.2
slate-history: ^0.113.1 => 0.113.1
slate-react: ^0.117.4 => 0.117.4
sonner: ^2.0.3 => 2.0.6
tailwind-merge: ^3.3.0 => 3.3.1
tailwindcss: ^4.1.7 => 4.1.11
ts-node: ^10.9.2 => 10.9.2
tsx: ^4.20.3 => 4.20.3
tw-animate-css: ^1.3.0 => 1.3.5
typescript: ^5.8.3 => 5.8.3
uuid: ^11.1.0 => 11.1.0
vitest: ^3.1.4 => 3.2.4
ws: ^8.18.3 => 8.18.3
y-prosemirror: ^1.3.5 => 1.3.7
y-protocols: ^1.0.6 => 1.0.6
y-websocket: ^3.0.0 => 3.0.0
yjs: ^13.6.27 => 13.6.27
zod: ^3.25.74 => 3.25.76
zustand: ^5.0.6 => 5.0.6