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fix(astro): Do not consume the request body in middleware - #9220

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fix(astro): Do not consume the request body in middleware#9220
wobsoriano merged 6 commits into
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rob/fix-js-issue-9210

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@wobsorianowobsoriano commented Jul 22, 2026

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Description

This PR fixes#9210 by ensuring Astro’s clerkMiddleware() does not consume the original request body during authentication.

It also moves the existing patchRequest() implementations from React Router and TanStack React Start into @clerk/shared. Astro now uses the same shared helper, removing the duplicated implementations across the three SDKs.

In the future, we could consider applying this behavior inside authenticateRequest() itself.

Checklist

  • pnpm test runs as expected.
  • pnpm build runs as expected.
  • (If applicable) JSDoc comments have been added or updated for any package exports
  • (If applicable) Documentation has been updated

Type of change

  • 🐛 Bug fix
  • 🌟 New feature
  • 🔨 Breaking change
  • 📖 Refactoring / dependency upgrade / documentation
  • other:

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🦋 Changeset detected

Latest commit: 18f0ebf

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 23 packages
NameType
@clerk/astroPatch
@clerk/react-routerPatch
@clerk/sharedPatch
@clerk/tanstack-react-startPatch
@clerk/backendPatch
@clerk/chrome-extensionPatch
@clerk/clerk-jsPatch
@clerk/electronPatch
@clerk/expo-passkeysPatch
@clerk/expoPatch
@clerk/expressPatch
@clerk/fastifyPatch
@clerk/headlessPatch
@clerk/honoPatch
@clerk/localizationsPatch
@clerk/mswPatch
@clerk/nextjsPatch
@clerk/nuxtPatch
@clerk/reactPatch
@clerk/testingPatch
@clerk/uiPatch
@clerk/vuePatch
@clerk/swingsetPatch

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📒 Files selected for processing (1)
  • .changeset/cyan-needles-listen.md
🔗 Linked repositories identified

CodeRabbit considers these linked repositories for cross-repo context during reviews:

  • clerk/clerk_go(manual)
  • clerk/dashboard(manual)
  • clerk/accounts(manual)
  • clerk/backoffice(manual)
  • clerk/clerk(manual)
  • clerk/clerk-docs(manual)
  • clerk/cloudflare-workers(manual)
💤 Files with no reviewable changes (1)
  • .changeset/cyan-needles-listen.md

📝 Walkthrough

Walkthrough

The change adds a shared patchRequest utility for request reconstruction, migrates React Router and TanStack React Start to use it, and applies it in Astro middleware before Clerk request creation. Tests verify POST cloning behavior and preservation of the original request body state. Changesets record patch releases for the affected packages.

Estimated code review effort: 3 (Moderate) | ~20 minutes

🚥 Pre-merge checks | ✅ 5
✅ Passed checks (5 passed)
Check nameStatusExplanation
Title check✅ PassedThe title clearly states the Astro middleware body-consumption fix.
Description check✅ PassedThe description matches the PR by describing the Astro fix and shared patchRequest refactor.
Linked Issues check✅ PassedThe changes prevent Astro middleware from consuming the body by using a shared patched Request, matching #9210.
Out of Scope Changes check✅ PassedThe React Router and TanStack updates are part of the shared helper refactor and stay aligned with the stated fix.
Docstring Coverage✅ PassedNo functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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@clerk/astro

npm i https://pkg.pr.new/@clerk/astro@9220

@clerk/backend

npm i https://pkg.pr.new/@clerk/backend@9220

@clerk/chrome-extension

npm i https://pkg.pr.new/@clerk/chrome-extension@9220

@clerk/clerk-js

npm i https://pkg.pr.new/@clerk/clerk-js@9220

@clerk/electron

npm i https://pkg.pr.new/@clerk/electron@9220

@clerk/electron-passkeys

npm i https://pkg.pr.new/@clerk/electron-passkeys@9220

@clerk/eslint-plugin

npm i https://pkg.pr.new/@clerk/eslint-plugin@9220

@clerk/expo

npm i https://pkg.pr.new/@clerk/expo@9220

@clerk/expo-google-signin

npm i https://pkg.pr.new/@clerk/expo-google-signin@9220

@clerk/expo-passkeys

npm i https://pkg.pr.new/@clerk/expo-passkeys@9220

@clerk/express

npm i https://pkg.pr.new/@clerk/express@9220

@clerk/fastify

npm i https://pkg.pr.new/@clerk/fastify@9220

@clerk/hono

npm i https://pkg.pr.new/@clerk/hono@9220

@clerk/localizations

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@clerk/nextjs

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@clerk/nuxt

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@clerk/react

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@clerk/react-router

npm i https://pkg.pr.new/@clerk/react-router@9220

@clerk/shared

npm i https://pkg.pr.new/@clerk/shared@9220

@clerk/tanstack-react-start

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@clerk/testing

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@clerk/ui

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@clerk/upgrade

npm i https://pkg.pr.new/@clerk/upgrade@9220

@clerk/vue

npm i https://pkg.pr.new/@clerk/vue@9220

commit: 18f0ebf

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API Changes Report

Generated by Break Check on 2026-07-22T20:43:39.305Z

Summary

MetricCount
Packages analyzed19
Packages with changes1
🔴 Breaking changes0
🟡 Non-breaking changes0
🟢 Additions1

@clerk/shared

Current version: 4.25.6
Recommended bump: MINOR → 4.26.0

Subpath ./patchRequest

🟢 Additions (1)

Added: ./patchRequest

New subpath export ./patchRequest


Report generated by Break Check

Last ran on 18f0ebf.

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🧹 Nitpick comments (2)
packages/astro/src/server/utils.ts (1)

30-30: 📐 Maintainability & Code Quality | 🔵 Trivial | ⚡ Quick win

Add an explicit return type to patchRequest.

Use : Request on this exported utility to make its API contract explicit.

As per coding guidelines, exported TypeScript functions must declare explicit return types. Based on learnings, exported functions in this repository should enforce the same annotation standard.

🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@packages/astro/src/server/utils.ts` at line 30, Update the exported
patchRequest function signature to explicitly declare a Request return type,
preserving its existing implementation and behavior.

Sources: Coding guidelines, Learnings

packages/astro/src/server/clerk-middleware.ts (1)

86-87: 🎯 Functional Correctness | 🔵 Trivial | ⚡ Quick win

Add a middleware regression test for body preservation.

Exercise a body-bearing request through clerkMiddleware(), then assert that the downstream Astro handler can still read context.request.json(). This should also verify that Clerk receives the cloned body rather than an empty request.

🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@packages/astro/src/server/clerk-middleware.ts` around lines 86 - 87, Add a
regression test around clerkMiddleware() that sends a request with a JSON body,
verifies Clerk receives the cloned body, and confirms the downstream Astro
handler can still read the same payload through context.request.json().
🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
Nitpick comments:
In `@packages/astro/src/server/clerk-middleware.ts`:
- Around line 86-87: Add a regression test around clerkMiddleware() that sends a
request with a JSON body, verifies Clerk receives the cloned body, and confirms
the downstream Astro handler can still read the same payload through
context.request.json().
In `@packages/astro/src/server/utils.ts`:
- Line 30: Update the exported patchRequest function signature to explicitly
declare a Request return type, preserving its existing implementation and
behavior.

ℹ️ Review info
⚙️ Run configuration

Configuration used: Repository YAML (base), Organization UI (inherited)

Review profile: CHILL

Plan: Pro Plus

Run ID: e2dd58c6-906c-4253-9883-4f8b41f19016

📥 Commits

Reviewing files that changed from the base of the PR and between 68ae308 and fb46521.

📒 Files selected for processing (3)
  • .changeset/cyan-needles-listen.md
  • packages/astro/src/server/clerk-middleware.ts
  • packages/astro/src/server/utils.ts
🔗 Linked repositories identified

CodeRabbit considers these linked repositories for cross-repo context during reviews:

  • clerk/clerk_go(manual)
  • clerk/dashboard(manual)
  • clerk/accounts(manual)
  • clerk/backoffice(manual)
  • clerk/clerk(manual)
  • clerk/clerk-docs(manual)
  • clerk/cloudflare-workers(manual)

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Caution

Some comments are outside the diff and can’t be posted inline due to platform limitations.

⚠️ Outside diff range comments (1)
packages/shared/src/__tests__/patchRequest.spec.ts (1)

45-54: 🎯 Functional Correctness | 🟡 Minor | ⚡ Quick win

Assert that the original body remains readable.

bodyUsed === false confirms the stream was not disturbed, but the test does not exercise the downstream operation this PR protects. Read the original body after patchRequest and assert its contents.

As per coding guidelines, unit tests for new functionality must verify behavior and edge cases.

Suggested test addition
- it('clones POST requests without forwarding the body', () => {+ it('clones POST requests without forwarding the body', async () => {
...
expect(cloned.body).toBeNull();
expect(original.bodyUsed).toBe(false);
+ expect(await original.text()).toBe('payload');
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@packages/shared/src/__tests__/patchRequest.spec.ts` around lines 45 - 54,
Update the POST request test around patchRequest to read the original request
body after patchRequest(original) and assert that it remains readable with the
expected “payload” contents, while preserving the existing method, cloned-body,
and bodyUsed assertions.

Source: Coding guidelines

🧹 Nitpick comments (1)
packages/shared/src/patchRequest.ts (1)

6-6: 📐 Maintainability & Code Quality | 🔵 Trivial | ⚡ Quick win

Add an explicit return type to patchRequest.
Use : Request here so the exported helper’s contract is obvious.

🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@packages/shared/src/patchRequest.ts` at line 6, Update the exported
patchRequest function signature to explicitly declare the Request return type,
preserving its existing implementation and behavior.

Sources: Coding guidelines, Learnings

🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
Outside diff comments:
In `@packages/shared/src/__tests__/patchRequest.spec.ts`:
- Around line 45-54: Update the POST request test around patchRequest to read
the original request body after patchRequest(original) and assert that it
remains readable with the expected “payload” contents, while preserving the
existing method, cloned-body, and bodyUsed assertions.
---
Nitpick comments:
In `@packages/shared/src/patchRequest.ts`:
- Line 6: Update the exported patchRequest function signature to explicitly
declare the Request return type, preserving its existing implementation and
behavior.

ℹ️ Review info
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Configuration used: Repository YAML (base), Organization UI (inherited)

Review profile: CHILL

Plan: Pro Plus

Run ID: 8994fc8a-ec3b-4a71-b58d-3e09ae8c29ff

📥 Commits

Reviewing files that changed from the base of the PR and between fb46521 and 451bdfe.

📒 Files selected for processing (9)
  • .changeset/cyan-needles-listen.md
  • packages/astro/src/server/clerk-middleware.ts
  • packages/react-router/src/server/clerkMiddleware.ts
  • packages/react-router/src/server/loadOptions.ts
  • packages/react-router/src/server/utils.ts
  • packages/shared/src/__tests__/patchRequest.spec.ts
  • packages/shared/src/patchRequest.ts
  • packages/tanstack-react-start/src/server/clerkMiddleware.ts
  • packages/tanstack-react-start/src/server/utils/index.ts
🔗 Linked repositories identified

CodeRabbit considers these linked repositories for cross-repo context during reviews:

  • clerk/clerk_go(manual)
  • clerk/dashboard(manual)
  • clerk/accounts(manual)
  • clerk/backoffice(manual)
  • clerk/clerk(manual)
  • clerk/clerk-docs(manual)
  • clerk/cloudflare-workers(manual)
💤 Files with no reviewable changes (2)
  • packages/react-router/src/server/utils.ts
  • packages/tanstack-react-start/src/server/utils/index.ts
🚧 Files skipped from review as they are similar to previous changes (2)
  • .changeset/cyan-needles-listen.md
  • packages/astro/src/server/clerk-middleware.ts

@wobsoriano
wobsoriano merged commit 097432d into mainJul 22, 2026
51 checks passed
@wobsoriano
wobsoriano deleted the rob/fix-js-issue-9210 branch July 22, 2026 20:44
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[@clerk/astro] clerkMiddleware() consumes request body, breaking Cloudflare Durable Objects / downstream body reads

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fix(astro): Do not consume the request body in middleware by wobsoriano · Pull Request #9220 · clerk/javascript · GitHub
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fix(astro): Do not consume the request body in middleware - #9220

Merged
wobsoriano merged 6 commits into
mainfrom
rob/fix-js-issue-9210
Jul 22, 2026
Merged

fix(astro): Do not consume the request body in middleware#9220
wobsoriano merged 6 commits into
mainfrom
rob/fix-js-issue-9210

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@wobsoriano

@wobsorianowobsoriano commented Jul 22, 2026

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Description

This PR fixes#9210 by ensuring Astro’s clerkMiddleware() does not consume the original request body during authentication.

It also moves the existing patchRequest() implementations from React Router and TanStack React Start into @clerk/shared. Astro now uses the same shared helper, removing the duplicated implementations across the three SDKs.

In the future, we could consider applying this behavior inside authenticateRequest() itself.

Checklist

  • pnpm test runs as expected.
  • pnpm build runs as expected.
  • (If applicable) JSDoc comments have been added or updated for any package exports
  • (If applicable) Documentation has been updated

Type of change

  • 🐛 Bug fix
  • 🌟 New feature
  • 🔨 Breaking change
  • 📖 Refactoring / dependency upgrade / documentation
  • other:

@changeset-bot

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🦋 Changeset detected

Latest commit: 18f0ebf

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 23 packages
NameType
@clerk/astroPatch
@clerk/react-routerPatch
@clerk/sharedPatch
@clerk/tanstack-react-startPatch
@clerk/backendPatch
@clerk/chrome-extensionPatch
@clerk/clerk-jsPatch
@clerk/electronPatch
@clerk/expo-passkeysPatch
@clerk/expoPatch
@clerk/expressPatch
@clerk/fastifyPatch
@clerk/headlessPatch
@clerk/honoPatch
@clerk/localizationsPatch
@clerk/mswPatch
@clerk/nextjsPatch
@clerk/nuxtPatch
@clerk/reactPatch
@clerk/testingPatch
@clerk/uiPatch
@clerk/vuePatch
@clerk/swingsetPatch

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Review Change Stack

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info
⚙️ Run configuration

Configuration used: Repository YAML (base), Organization UI (inherited)

Review profile: CHILL

Plan: Pro Plus

Run ID: 99f58824-fd6d-4764-aa77-8e8d4c441124

📥 Commits

Reviewing files that changed from the base of the PR and between 154b654 and 18f0ebf.

📒 Files selected for processing (1)
  • .changeset/cyan-needles-listen.md
🔗 Linked repositories identified

CodeRabbit considers these linked repositories for cross-repo context during reviews:

  • clerk/clerk_go(manual)
  • clerk/dashboard(manual)
  • clerk/accounts(manual)
  • clerk/backoffice(manual)
  • clerk/clerk(manual)
  • clerk/clerk-docs(manual)
  • clerk/cloudflare-workers(manual)
💤 Files with no reviewable changes (1)
  • .changeset/cyan-needles-listen.md

📝 Walkthrough

Walkthrough

The change adds a shared patchRequest utility for request reconstruction, migrates React Router and TanStack React Start to use it, and applies it in Astro middleware before Clerk request creation. Tests verify POST cloning behavior and preservation of the original request body state. Changesets record patch releases for the affected packages.

Estimated code review effort: 3 (Moderate) | ~20 minutes

🚥 Pre-merge checks | ✅ 5
✅ Passed checks (5 passed)
Check nameStatusExplanation
Title check✅ PassedThe title clearly states the Astro middleware body-consumption fix.
Description check✅ PassedThe description matches the PR by describing the Astro fix and shared patchRequest refactor.
Linked Issues check✅ PassedThe changes prevent Astro middleware from consuming the body by using a shared patched Request, matching #9210.
Out of Scope Changes check✅ PassedThe React Router and TanStack updates are part of the shared helper refactor and stay aligned with the stated fix.
Docstring Coverage✅ PassedNo functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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@clerk/astro

npm i https://pkg.pr.new/@clerk/astro@9220

@clerk/backend

npm i https://pkg.pr.new/@clerk/backend@9220

@clerk/chrome-extension

npm i https://pkg.pr.new/@clerk/chrome-extension@9220

@clerk/clerk-js

npm i https://pkg.pr.new/@clerk/clerk-js@9220

@clerk/electron

npm i https://pkg.pr.new/@clerk/electron@9220

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@clerk/eslint-plugin

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@clerk/expo

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@clerk/expo-google-signin

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@clerk/expo-passkeys

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@clerk/express

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@clerk/fastify

npm i https://pkg.pr.new/@clerk/fastify@9220

@clerk/hono

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@clerk/localizations

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@clerk/nextjs

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@clerk/nuxt

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@clerk/react

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@clerk/react-router

npm i https://pkg.pr.new/@clerk/react-router@9220

@clerk/shared

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@clerk/tanstack-react-start

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@clerk/testing

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@clerk/ui

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@clerk/upgrade

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@clerk/vue

npm i https://pkg.pr.new/@clerk/vue@9220

commit: 18f0ebf

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API Changes Report

Generated by Break Check on 2026-07-22T20:43:39.305Z

Summary

MetricCount
Packages analyzed19
Packages with changes1
🔴 Breaking changes0
🟡 Non-breaking changes0
🟢 Additions1

@clerk/shared

Current version: 4.25.6
Recommended bump: MINOR → 4.26.0

Subpath ./patchRequest

🟢 Additions (1)

Added: ./patchRequest

New subpath export ./patchRequest


Report generated by Break Check

Last ran on 18f0ebf.

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🧹 Nitpick comments (2)
packages/astro/src/server/utils.ts (1)

30-30: 📐 Maintainability & Code Quality | 🔵 Trivial | ⚡ Quick win

Add an explicit return type to patchRequest.

Use : Request on this exported utility to make its API contract explicit.

As per coding guidelines, exported TypeScript functions must declare explicit return types. Based on learnings, exported functions in this repository should enforce the same annotation standard.

🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@packages/astro/src/server/utils.ts` at line 30, Update the exported
patchRequest function signature to explicitly declare a Request return type,
preserving its existing implementation and behavior.

Sources: Coding guidelines, Learnings

packages/astro/src/server/clerk-middleware.ts (1)

86-87: 🎯 Functional Correctness | 🔵 Trivial | ⚡ Quick win

Add a middleware regression test for body preservation.

Exercise a body-bearing request through clerkMiddleware(), then assert that the downstream Astro handler can still read context.request.json(). This should also verify that Clerk receives the cloned body rather than an empty request.

🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@packages/astro/src/server/clerk-middleware.ts` around lines 86 - 87, Add a
regression test around clerkMiddleware() that sends a request with a JSON body,
verifies Clerk receives the cloned body, and confirms the downstream Astro
handler can still read the same payload through context.request.json().
🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
Nitpick comments:
In `@packages/astro/src/server/clerk-middleware.ts`:
- Around line 86-87: Add a regression test around clerkMiddleware() that sends a
request with a JSON body, verifies Clerk receives the cloned body, and confirms
the downstream Astro handler can still read the same payload through
context.request.json().
In `@packages/astro/src/server/utils.ts`:
- Line 30: Update the exported patchRequest function signature to explicitly
declare a Request return type, preserving its existing implementation and
behavior.

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Caution

Some comments are outside the diff and can’t be posted inline due to platform limitations.

⚠️ Outside diff range comments (1)
packages/shared/src/__tests__/patchRequest.spec.ts (1)

45-54: 🎯 Functional Correctness | 🟡 Minor | ⚡ Quick win

Assert that the original body remains readable.

bodyUsed === false confirms the stream was not disturbed, but the test does not exercise the downstream operation this PR protects. Read the original body after patchRequest and assert its contents.

As per coding guidelines, unit tests for new functionality must verify behavior and edge cases.

Suggested test addition
- it('clones POST requests without forwarding the body', () => {+ it('clones POST requests without forwarding the body', async () => {
...
expect(cloned.body).toBeNull();
expect(original.bodyUsed).toBe(false);
+ expect(await original.text()).toBe('payload');
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@packages/shared/src/__tests__/patchRequest.spec.ts` around lines 45 - 54,
Update the POST request test around patchRequest to read the original request
body after patchRequest(original) and assert that it remains readable with the
expected “payload” contents, while preserving the existing method, cloned-body,
and bodyUsed assertions.

Source: Coding guidelines

🧹 Nitpick comments (1)
packages/shared/src/patchRequest.ts (1)

6-6: 📐 Maintainability & Code Quality | 🔵 Trivial | ⚡ Quick win

Add an explicit return type to patchRequest.
Use : Request here so the exported helper’s contract is obvious.

🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@packages/shared/src/patchRequest.ts` at line 6, Update the exported
patchRequest function signature to explicitly declare the Request return type,
preserving its existing implementation and behavior.

Sources: Coding guidelines, Learnings

🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
Outside diff comments:
In `@packages/shared/src/__tests__/patchRequest.spec.ts`:
- Around line 45-54: Update the POST request test around patchRequest to read
the original request body after patchRequest(original) and assert that it
remains readable with the expected “payload” contents, while preserving the
existing method, cloned-body, and bodyUsed assertions.
---
Nitpick comments:
In `@packages/shared/src/patchRequest.ts`:
- Line 6: Update the exported patchRequest function signature to explicitly
declare the Request return type, preserving its existing implementation and
behavior.

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📒 Files selected for processing (9)
  • .changeset/cyan-needles-listen.md
  • packages/astro/src/server/clerk-middleware.ts
  • packages/react-router/src/server/clerkMiddleware.ts
  • packages/react-router/src/server/loadOptions.ts
  • packages/react-router/src/server/utils.ts
  • packages/shared/src/__tests__/patchRequest.spec.ts
  • packages/shared/src/patchRequest.ts
  • packages/tanstack-react-start/src/server/clerkMiddleware.ts
  • packages/tanstack-react-start/src/server/utils/index.ts
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  • clerk/dashboard(manual)
  • clerk/accounts(manual)
  • clerk/backoffice(manual)
  • clerk/clerk(manual)
  • clerk/clerk-docs(manual)
  • clerk/cloudflare-workers(manual)
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  • packages/react-router/src/server/utils.ts
  • packages/tanstack-react-start/src/server/utils/index.ts
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  • .changeset/cyan-needles-listen.md
  • packages/astro/src/server/clerk-middleware.ts

@wobsoriano
wobsoriano merged commit 097432d into mainJul 22, 2026
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@wobsoriano
wobsoriano deleted the rob/fix-js-issue-9210 branch July 22, 2026 20:44
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[@clerk/astro] clerkMiddleware() consumes request body, breaking Cloudflare Durable Objects / downstream body reads

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, 'i'); if (__m === '*' || __re.test(location.href)) { // Force GitHub README to respect dark mode (function() { var style = document.createElement('style'); style.textContent = ' .markdown-body { color-scheme: dark light; } .markdown-body pre { background: #161b22 !important; } .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; } .markdown-body table th, .markdown-body table td { border-color: #30363d !important; } .markdown-body img { background: #0d1117; } .markdown-body blockquote { border-left-color: #8b949e; } .markdown-body hr { border-color: #30363d; } '; document.head.appendChild(style); })(); } } catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + ' fix(astro): Do not consume the request body in middleware by wobsoriano · Pull Request #9220 · clerk/javascript · GitHub
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fix(astro): Do not consume the request body in middleware - #9220

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wobsoriano merged 6 commits into
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fix(astro): Do not consume the request body in middleware#9220
wobsoriano merged 6 commits into
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rob/fix-js-issue-9210

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@wobsorianowobsoriano commented Jul 22, 2026

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Description

This PR fixes#9210 by ensuring Astro’s clerkMiddleware() does not consume the original request body during authentication.

It also moves the existing patchRequest() implementations from React Router and TanStack React Start into @clerk/shared. Astro now uses the same shared helper, removing the duplicated implementations across the three SDKs.

In the future, we could consider applying this behavior inside authenticateRequest() itself.

Checklist

  • pnpm test runs as expected.
  • pnpm build runs as expected.
  • (If applicable) JSDoc comments have been added or updated for any package exports
  • (If applicable) Documentation has been updated

Type of change

  • 🐛 Bug fix
  • 🌟 New feature
  • 🔨 Breaking change
  • 📖 Refactoring / dependency upgrade / documentation
  • other:

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🦋 Changeset detected

Latest commit: 18f0ebf

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 23 packages
NameType
@clerk/astroPatch
@clerk/react-routerPatch
@clerk/sharedPatch
@clerk/tanstack-react-startPatch
@clerk/backendPatch
@clerk/chrome-extensionPatch
@clerk/clerk-jsPatch
@clerk/electronPatch
@clerk/expo-passkeysPatch
@clerk/expoPatch
@clerk/expressPatch
@clerk/fastifyPatch
@clerk/headlessPatch
@clerk/honoPatch
@clerk/localizationsPatch
@clerk/mswPatch
@clerk/nextjsPatch
@clerk/nuxtPatch
@clerk/reactPatch
@clerk/testingPatch
@clerk/uiPatch
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🔗 Linked repositories identified

CodeRabbit considers these linked repositories for cross-repo context during reviews:

  • clerk/clerk_go(manual)
  • clerk/dashboard(manual)
  • clerk/accounts(manual)
  • clerk/backoffice(manual)
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  • clerk/clerk-docs(manual)
  • clerk/cloudflare-workers(manual)
💤 Files with no reviewable changes (1)
  • .changeset/cyan-needles-listen.md

📝 Walkthrough

Walkthrough

The change adds a shared patchRequest utility for request reconstruction, migrates React Router and TanStack React Start to use it, and applies it in Astro middleware before Clerk request creation. Tests verify POST cloning behavior and preservation of the original request body state. Changesets record patch releases for the affected packages.

Estimated code review effort: 3 (Moderate) | ~20 minutes

🚥 Pre-merge checks | ✅ 5
✅ Passed checks (5 passed)
Check nameStatusExplanation
Title check✅ PassedThe title clearly states the Astro middleware body-consumption fix.
Description check✅ PassedThe description matches the PR by describing the Astro fix and shared patchRequest refactor.
Linked Issues check✅ PassedThe changes prevent Astro middleware from consuming the body by using a shared patched Request, matching #9210.
Out of Scope Changes check✅ PassedThe React Router and TanStack updates are part of the shared helper refactor and stay aligned with the stated fix.
Docstring Coverage✅ PassedNo functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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@clerk/astro

npm i https://pkg.pr.new/@clerk/astro@9220

@clerk/backend

npm i https://pkg.pr.new/@clerk/backend@9220

@clerk/chrome-extension

npm i https://pkg.pr.new/@clerk/chrome-extension@9220

@clerk/clerk-js

npm i https://pkg.pr.new/@clerk/clerk-js@9220

@clerk/electron

npm i https://pkg.pr.new/@clerk/electron@9220

@clerk/electron-passkeys

npm i https://pkg.pr.new/@clerk/electron-passkeys@9220

@clerk/eslint-plugin

npm i https://pkg.pr.new/@clerk/eslint-plugin@9220

@clerk/expo

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npm i https://pkg.pr.new/@clerk/expo-passkeys@9220

@clerk/express

npm i https://pkg.pr.new/@clerk/express@9220

@clerk/fastify

npm i https://pkg.pr.new/@clerk/fastify@9220

@clerk/hono

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@clerk/tanstack-react-start

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@clerk/testing

npm i https://pkg.pr.new/@clerk/testing@9220

@clerk/ui

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@clerk/upgrade

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commit: 18f0ebf

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API Changes Report

Generated by Break Check on 2026-07-22T20:43:39.305Z

Summary

MetricCount
Packages analyzed19
Packages with changes1
🔴 Breaking changes0
🟡 Non-breaking changes0
🟢 Additions1

@clerk/shared

Current version: 4.25.6
Recommended bump: MINOR → 4.26.0

Subpath ./patchRequest

🟢 Additions (1)

Added: ./patchRequest

New subpath export ./patchRequest


Report generated by Break Check

Last ran on 18f0ebf.

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🧹 Nitpick comments (2)
packages/astro/src/server/utils.ts (1)

30-30: 📐 Maintainability & Code Quality | 🔵 Trivial | ⚡ Quick win

Add an explicit return type to patchRequest.

Use : Request on this exported utility to make its API contract explicit.

As per coding guidelines, exported TypeScript functions must declare explicit return types. Based on learnings, exported functions in this repository should enforce the same annotation standard.

🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@packages/astro/src/server/utils.ts` at line 30, Update the exported
patchRequest function signature to explicitly declare a Request return type,
preserving its existing implementation and behavior.

Sources: Coding guidelines, Learnings

packages/astro/src/server/clerk-middleware.ts (1)

86-87: 🎯 Functional Correctness | 🔵 Trivial | ⚡ Quick win

Add a middleware regression test for body preservation.

Exercise a body-bearing request through clerkMiddleware(), then assert that the downstream Astro handler can still read context.request.json(). This should also verify that Clerk receives the cloned body rather than an empty request.

🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@packages/astro/src/server/clerk-middleware.ts` around lines 86 - 87, Add a
regression test around clerkMiddleware() that sends a request with a JSON body,
verifies Clerk receives the cloned body, and confirms the downstream Astro
handler can still read the same payload through context.request.json().
🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
Nitpick comments:
In `@packages/astro/src/server/clerk-middleware.ts`:
- Around line 86-87: Add a regression test around clerkMiddleware() that sends a
request with a JSON body, verifies Clerk receives the cloned body, and confirms
the downstream Astro handler can still read the same payload through
context.request.json().
In `@packages/astro/src/server/utils.ts`:
- Line 30: Update the exported patchRequest function signature to explicitly
declare a Request return type, preserving its existing implementation and
behavior.

ℹ️ Review info
⚙️ Run configuration

Configuration used: Repository YAML (base), Organization UI (inherited)

Review profile: CHILL

Plan: Pro Plus

Run ID: e2dd58c6-906c-4253-9883-4f8b41f19016

📥 Commits

Reviewing files that changed from the base of the PR and between 68ae308 and fb46521.

📒 Files selected for processing (3)
  • .changeset/cyan-needles-listen.md
  • packages/astro/src/server/clerk-middleware.ts
  • packages/astro/src/server/utils.ts
🔗 Linked repositories identified

CodeRabbit considers these linked repositories for cross-repo context during reviews:

  • clerk/clerk_go(manual)
  • clerk/dashboard(manual)
  • clerk/accounts(manual)
  • clerk/backoffice(manual)
  • clerk/clerk(manual)
  • clerk/clerk-docs(manual)
  • clerk/cloudflare-workers(manual)

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Caution

Some comments are outside the diff and can’t be posted inline due to platform limitations.

⚠️ Outside diff range comments (1)
packages/shared/src/__tests__/patchRequest.spec.ts (1)

45-54: 🎯 Functional Correctness | 🟡 Minor | ⚡ Quick win

Assert that the original body remains readable.

bodyUsed === false confirms the stream was not disturbed, but the test does not exercise the downstream operation this PR protects. Read the original body after patchRequest and assert its contents.

As per coding guidelines, unit tests for new functionality must verify behavior and edge cases.

Suggested test addition
- it('clones POST requests without forwarding the body', () => {+ it('clones POST requests without forwarding the body', async () => {
...
expect(cloned.body).toBeNull();
expect(original.bodyUsed).toBe(false);
+ expect(await original.text()).toBe('payload');
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@packages/shared/src/__tests__/patchRequest.spec.ts` around lines 45 - 54,
Update the POST request test around patchRequest to read the original request
body after patchRequest(original) and assert that it remains readable with the
expected “payload” contents, while preserving the existing method, cloned-body,
and bodyUsed assertions.

Source: Coding guidelines

🧹 Nitpick comments (1)
packages/shared/src/patchRequest.ts (1)

6-6: 📐 Maintainability & Code Quality | 🔵 Trivial | ⚡ Quick win

Add an explicit return type to patchRequest.
Use : Request here so the exported helper’s contract is obvious.

🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@packages/shared/src/patchRequest.ts` at line 6, Update the exported
patchRequest function signature to explicitly declare the Request return type,
preserving its existing implementation and behavior.

Sources: Coding guidelines, Learnings

🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
Outside diff comments:
In `@packages/shared/src/__tests__/patchRequest.spec.ts`:
- Around line 45-54: Update the POST request test around patchRequest to read
the original request body after patchRequest(original) and assert that it
remains readable with the expected “payload” contents, while preserving the
existing method, cloned-body, and bodyUsed assertions.
---
Nitpick comments:
In `@packages/shared/src/patchRequest.ts`:
- Line 6: Update the exported patchRequest function signature to explicitly
declare the Request return type, preserving its existing implementation and
behavior.

ℹ️ Review info
⚙️ Run configuration

Configuration used: Repository YAML (base), Organization UI (inherited)

Review profile: CHILL

Plan: Pro Plus

Run ID: 8994fc8a-ec3b-4a71-b58d-3e09ae8c29ff

📥 Commits

Reviewing files that changed from the base of the PR and between fb46521 and 451bdfe.

📒 Files selected for processing (9)
  • .changeset/cyan-needles-listen.md
  • packages/astro/src/server/clerk-middleware.ts
  • packages/react-router/src/server/clerkMiddleware.ts
  • packages/react-router/src/server/loadOptions.ts
  • packages/react-router/src/server/utils.ts
  • packages/shared/src/__tests__/patchRequest.spec.ts
  • packages/shared/src/patchRequest.ts
  • packages/tanstack-react-start/src/server/clerkMiddleware.ts
  • packages/tanstack-react-start/src/server/utils/index.ts
🔗 Linked repositories identified

CodeRabbit considers these linked repositories for cross-repo context during reviews:

  • clerk/clerk_go(manual)
  • clerk/dashboard(manual)
  • clerk/accounts(manual)
  • clerk/backoffice(manual)
  • clerk/clerk(manual)
  • clerk/clerk-docs(manual)
  • clerk/cloudflare-workers(manual)
💤 Files with no reviewable changes (2)
  • packages/react-router/src/server/utils.ts
  • packages/tanstack-react-start/src/server/utils/index.ts
🚧 Files skipped from review as they are similar to previous changes (2)
  • .changeset/cyan-needles-listen.md
  • packages/astro/src/server/clerk-middleware.ts

@wobsoriano
wobsoriano merged commit 097432d into mainJul 22, 2026
51 checks passed
@wobsoriano
wobsoriano deleted the rob/fix-js-issue-9210 branch July 22, 2026 20:44
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[@clerk/astro] clerkMiddleware() consumes request body, breaking Cloudflare Durable Objects / downstream body reads

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, 'i'); if (__m === '*' || __re.test(location.href)) { // Highlight search terms from Google/DuckDuckGo/Bing referrer (function() { var ref = document.referrer; var terms = []; if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) { var url = new URL(ref); var q = url.searchParams.get('q') || url.searchParams.get('p'); if (q) { terms = q.split(/\s+/).filter(function(t) { return t.length > 2; }); } } if (terms.length === 0) return; var style = document.createElement('style'); style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }'; document.head.appendChild(style); function highlight(node) { if (node.nodeType === 3) { // text node var text = node.textContent; var found = false; terms.forEach(function(term) { var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\]\\]/g, '\\') + ')', 'gi'); if (regex.test(text)) { found = true; var frag = document.createDocumentFragment(); var parts = text.split(regex); parts.forEach(function(part, i) { if (i % 2 === 0) { frag.appendChild(document.createTextNode(part)); } else { var span = document.createElement('span'); span.className = 'userscript-highlight'; span.textContent = part; frag.appendChild(span); } }); node.parentNode.replaceChild(frag, node); } }); } else if (node.nodeType === 1 && node.childNodes) { // element var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT']; if (!skipTags.includes(node.tagName)) { Array.from(node.childNodes).forEach(highlight); } } } highlight(document.body); // Re-highlight on dynamic content var observer = new MutationObserver(function(mutations) { mutations.forEach(function(m) { m.addedNodes.forEach(function(node) { if (node.nodeType === 1 || node.nodeType === 3) highlight(node); }); }); }); observer.observe(document.body, { childList: true, subtree: true }); })(); } } catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + ' fix(astro): Do not consume the request body in middleware by wobsoriano · Pull Request #9220 · clerk/javascript · GitHub
Skip to content

fix(astro): Do not consume the request body in middleware - #9220

Merged
wobsoriano merged 6 commits into
mainfrom
rob/fix-js-issue-9210
Jul 22, 2026
Merged

fix(astro): Do not consume the request body in middleware#9220
wobsoriano merged 6 commits into
mainfrom
rob/fix-js-issue-9210

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@wobsoriano

@wobsorianowobsoriano commented Jul 22, 2026

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Description

This PR fixes#9210 by ensuring Astro’s clerkMiddleware() does not consume the original request body during authentication.

It also moves the existing patchRequest() implementations from React Router and TanStack React Start into @clerk/shared. Astro now uses the same shared helper, removing the duplicated implementations across the three SDKs.

In the future, we could consider applying this behavior inside authenticateRequest() itself.

Checklist

  • pnpm test runs as expected.
  • pnpm build runs as expected.
  • (If applicable) JSDoc comments have been added or updated for any package exports
  • (If applicable) Documentation has been updated

Type of change

  • 🐛 Bug fix
  • 🌟 New feature
  • 🔨 Breaking change
  • 📖 Refactoring / dependency upgrade / documentation
  • other:

@changeset-bot

changeset-botBot commented Jul 22, 2026

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🦋 Changeset detected

Latest commit: 18f0ebf

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 23 packages
NameType
@clerk/astroPatch
@clerk/react-routerPatch
@clerk/sharedPatch
@clerk/tanstack-react-startPatch
@clerk/backendPatch
@clerk/chrome-extensionPatch
@clerk/clerk-jsPatch
@clerk/electronPatch
@clerk/expo-passkeysPatch
@clerk/expoPatch
@clerk/expressPatch
@clerk/fastifyPatch
@clerk/headlessPatch
@clerk/honoPatch
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🔗 Linked repositories identified

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📝 Walkthrough

Walkthrough

The change adds a shared patchRequest utility for request reconstruction, migrates React Router and TanStack React Start to use it, and applies it in Astro middleware before Clerk request creation. Tests verify POST cloning behavior and preservation of the original request body state. Changesets record patch releases for the affected packages.

Estimated code review effort: 3 (Moderate) | ~20 minutes

🚥 Pre-merge checks | ✅ 5
✅ Passed checks (5 passed)
Check nameStatusExplanation
Title check✅ PassedThe title clearly states the Astro middleware body-consumption fix.
Description check✅ PassedThe description matches the PR by describing the Astro fix and shared patchRequest refactor.
Linked Issues check✅ PassedThe changes prevent Astro middleware from consuming the body by using a shared patched Request, matching #9210.
Out of Scope Changes check✅ PassedThe React Router and TanStack updates are part of the shared helper refactor and stay aligned with the stated fix.
Docstring Coverage✅ PassedNo functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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API Changes Report

Generated by Break Check on 2026-07-22T20:43:39.305Z

Summary

MetricCount
Packages analyzed19
Packages with changes1
🔴 Breaking changes0
🟡 Non-breaking changes0
🟢 Additions1

@clerk/shared

Current version: 4.25.6
Recommended bump: MINOR → 4.26.0

Subpath ./patchRequest

🟢 Additions (1)

Added: ./patchRequest

New subpath export ./patchRequest


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🧹 Nitpick comments (2)
packages/astro/src/server/utils.ts (1)

30-30: 📐 Maintainability & Code Quality | 🔵 Trivial | ⚡ Quick win

Add an explicit return type to patchRequest.

Use : Request on this exported utility to make its API contract explicit.

As per coding guidelines, exported TypeScript functions must declare explicit return types. Based on learnings, exported functions in this repository should enforce the same annotation standard.

🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@packages/astro/src/server/utils.ts` at line 30, Update the exported
patchRequest function signature to explicitly declare a Request return type,
preserving its existing implementation and behavior.

Sources: Coding guidelines, Learnings

packages/astro/src/server/clerk-middleware.ts (1)

86-87: 🎯 Functional Correctness | 🔵 Trivial | ⚡ Quick win

Add a middleware regression test for body preservation.

Exercise a body-bearing request through clerkMiddleware(), then assert that the downstream Astro handler can still read context.request.json(). This should also verify that Clerk receives the cloned body rather than an empty request.

🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@packages/astro/src/server/clerk-middleware.ts` around lines 86 - 87, Add a
regression test around clerkMiddleware() that sends a request with a JSON body,
verifies Clerk receives the cloned body, and confirms the downstream Astro
handler can still read the same payload through context.request.json().
🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
Nitpick comments:
In `@packages/astro/src/server/clerk-middleware.ts`:
- Around line 86-87: Add a regression test around clerkMiddleware() that sends a
request with a JSON body, verifies Clerk receives the cloned body, and confirms
the downstream Astro handler can still read the same payload through
context.request.json().
In `@packages/astro/src/server/utils.ts`:
- Line 30: Update the exported patchRequest function signature to explicitly
declare a Request return type, preserving its existing implementation and
behavior.

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  • packages/astro/src/server/utils.ts
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  • clerk/dashboard(manual)
  • clerk/accounts(manual)
  • clerk/backoffice(manual)
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Caution

Some comments are outside the diff and can’t be posted inline due to platform limitations.

⚠️ Outside diff range comments (1)
packages/shared/src/__tests__/patchRequest.spec.ts (1)

45-54: 🎯 Functional Correctness | 🟡 Minor | ⚡ Quick win

Assert that the original body remains readable.

bodyUsed === false confirms the stream was not disturbed, but the test does not exercise the downstream operation this PR protects. Read the original body after patchRequest and assert its contents.

As per coding guidelines, unit tests for new functionality must verify behavior and edge cases.

Suggested test addition
- it('clones POST requests without forwarding the body', () => {+ it('clones POST requests without forwarding the body', async () => {
...
expect(cloned.body).toBeNull();
expect(original.bodyUsed).toBe(false);
+ expect(await original.text()).toBe('payload');
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@packages/shared/src/__tests__/patchRequest.spec.ts` around lines 45 - 54,
Update the POST request test around patchRequest to read the original request
body after patchRequest(original) and assert that it remains readable with the
expected “payload” contents, while preserving the existing method, cloned-body,
and bodyUsed assertions.

Source: Coding guidelines

🧹 Nitpick comments (1)
packages/shared/src/patchRequest.ts (1)

6-6: 📐 Maintainability & Code Quality | 🔵 Trivial | ⚡ Quick win

Add an explicit return type to patchRequest.
Use : Request here so the exported helper’s contract is obvious.

🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@packages/shared/src/patchRequest.ts` at line 6, Update the exported
patchRequest function signature to explicitly declare the Request return type,
preserving its existing implementation and behavior.

Sources: Coding guidelines, Learnings

🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
Outside diff comments:
In `@packages/shared/src/__tests__/patchRequest.spec.ts`:
- Around line 45-54: Update the POST request test around patchRequest to read
the original request body after patchRequest(original) and assert that it
remains readable with the expected “payload” contents, while preserving the
existing method, cloned-body, and bodyUsed assertions.
---
Nitpick comments:
In `@packages/shared/src/patchRequest.ts`:
- Line 6: Update the exported patchRequest function signature to explicitly
declare the Request return type, preserving its existing implementation and
behavior.

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📒 Files selected for processing (9)
  • .changeset/cyan-needles-listen.md
  • packages/astro/src/server/clerk-middleware.ts
  • packages/react-router/src/server/clerkMiddleware.ts
  • packages/react-router/src/server/loadOptions.ts
  • packages/react-router/src/server/utils.ts
  • packages/shared/src/__tests__/patchRequest.spec.ts
  • packages/shared/src/patchRequest.ts
  • packages/tanstack-react-start/src/server/clerkMiddleware.ts
  • packages/tanstack-react-start/src/server/utils/index.ts
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  • clerk/dashboard(manual)
  • clerk/accounts(manual)
  • clerk/backoffice(manual)
  • clerk/clerk(manual)
  • clerk/clerk-docs(manual)
  • clerk/cloudflare-workers(manual)
💤 Files with no reviewable changes (2)
  • packages/react-router/src/server/utils.ts
  • packages/tanstack-react-start/src/server/utils/index.ts
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  • .changeset/cyan-needles-listen.md
  • packages/astro/src/server/clerk-middleware.ts

@wobsoriano
wobsoriano merged commit 097432d into mainJul 22, 2026
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@wobsoriano
wobsoriano deleted the rob/fix-js-issue-9210 branch July 22, 2026 20:44
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[@clerk/astro] clerkMiddleware() consumes request body, breaking Cloudflare Durable Objects / downstream body reads

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@wobsoriano@alexcarpenter
, 'i'); if (__m === '*' || __re.test(location.href)) { // Strip utm_, fbclid, gclid, etc. from all links on page (function() { var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content', 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid', 'ref', 'ref_src', 'source', 'medium', 'campaign']; function cleanUrl(url) { try { var u = new URL(url, window.location.origin); var changed = false; trackingParams.forEach(function(p) { if (u.searchParams.has(p)) { u.searchParams.delete(p); changed = true; } }); return changed ? u.toString() : url; } catch (e) { return url; } } function cleanLinks() { document.querySelectorAll('a[href]').forEach(function(a) { var clean = cleanUrl(a.href); if (clean !== a.href) a.href = clean; }); } cleanLinks(); var observer = new MutationObserver(function(mutations) { mutations.forEach(function(m) { m.addedNodes.forEach(function(node) { if (node.nodeType === 1) { if (node.tagName === 'A') cleanLinks(); node.querySelectorAll('a[href]').forEach(function(a) { var clean = cleanUrl(a.href); if (clean !== a.href) a.href = clean; }); } }); }); }); observer.observe(document.body, { childList: true, subtree: true }); })(); } } catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); } })(); (function(){ try { var __m = "youtube.com"; var __re = new RegExp('^' + "youtube\\.com" + ' fix(astro): Do not consume the request body in middleware by wobsoriano · Pull Request #9220 · clerk/javascript · GitHub
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fix(astro): Do not consume the request body in middleware - #9220

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wobsoriano merged 6 commits into
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Jul 22, 2026
Merged

fix(astro): Do not consume the request body in middleware#9220
wobsoriano merged 6 commits into
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rob/fix-js-issue-9210

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@wobsoriano

@wobsorianowobsoriano commented Jul 22, 2026

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Description

This PR fixes#9210 by ensuring Astro’s clerkMiddleware() does not consume the original request body during authentication.

It also moves the existing patchRequest() implementations from React Router and TanStack React Start into @clerk/shared. Astro now uses the same shared helper, removing the duplicated implementations across the three SDKs.

In the future, we could consider applying this behavior inside authenticateRequest() itself.

Checklist

  • pnpm test runs as expected.
  • pnpm build runs as expected.
  • (If applicable) JSDoc comments have been added or updated for any package exports
  • (If applicable) Documentation has been updated

Type of change

  • 🐛 Bug fix
  • 🌟 New feature
  • 🔨 Breaking change
  • 📖 Refactoring / dependency upgrade / documentation
  • other:

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🦋 Changeset detected

Latest commit: 18f0ebf

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 23 packages
NameType
@clerk/astroPatch
@clerk/react-routerPatch
@clerk/sharedPatch
@clerk/tanstack-react-startPatch
@clerk/backendPatch
@clerk/chrome-extensionPatch
@clerk/clerk-jsPatch
@clerk/electronPatch
@clerk/expo-passkeysPatch
@clerk/expoPatch
@clerk/expressPatch
@clerk/fastifyPatch
@clerk/headlessPatch
@clerk/honoPatch
@clerk/localizationsPatch
@clerk/mswPatch
@clerk/nextjsPatch
@clerk/nuxtPatch
@clerk/reactPatch
@clerk/testingPatch
@clerk/uiPatch
@clerk/vuePatch
@clerk/swingsetPatch

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No actionable comments were generated in the recent review. 🎉

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Review profile: CHILL

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Run ID: 99f58824-fd6d-4764-aa77-8e8d4c441124

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📒 Files selected for processing (1)
  • .changeset/cyan-needles-listen.md
🔗 Linked repositories identified

CodeRabbit considers these linked repositories for cross-repo context during reviews:

  • clerk/clerk_go(manual)
  • clerk/dashboard(manual)
  • clerk/accounts(manual)
  • clerk/backoffice(manual)
  • clerk/clerk(manual)
  • clerk/clerk-docs(manual)
  • clerk/cloudflare-workers(manual)
💤 Files with no reviewable changes (1)
  • .changeset/cyan-needles-listen.md

📝 Walkthrough

Walkthrough

The change adds a shared patchRequest utility for request reconstruction, migrates React Router and TanStack React Start to use it, and applies it in Astro middleware before Clerk request creation. Tests verify POST cloning behavior and preservation of the original request body state. Changesets record patch releases for the affected packages.

Estimated code review effort: 3 (Moderate) | ~20 minutes

🚥 Pre-merge checks | ✅ 5
✅ Passed checks (5 passed)
Check nameStatusExplanation
Title check✅ PassedThe title clearly states the Astro middleware body-consumption fix.
Description check✅ PassedThe description matches the PR by describing the Astro fix and shared patchRequest refactor.
Linked Issues check✅ PassedThe changes prevent Astro middleware from consuming the body by using a shared patched Request, matching #9210.
Out of Scope Changes check✅ PassedThe React Router and TanStack updates are part of the shared helper refactor and stay aligned with the stated fix.
Docstring Coverage✅ PassedNo functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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npm i https://pkg.pr.new/@clerk/astro@9220

@clerk/backend

npm i https://pkg.pr.new/@clerk/backend@9220

@clerk/chrome-extension

npm i https://pkg.pr.new/@clerk/chrome-extension@9220

@clerk/clerk-js

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@clerk/eslint-plugin

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@clerk/express

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@clerk/fastify

npm i https://pkg.pr.new/@clerk/fastify@9220

@clerk/hono

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@clerk/localizations

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@clerk/nextjs

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@clerk/nuxt

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@clerk/react

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@clerk/shared

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@clerk/upgrade

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commit: 18f0ebf

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API Changes Report

Generated by Break Check on 2026-07-22T20:43:39.305Z

Summary

MetricCount
Packages analyzed19
Packages with changes1
🔴 Breaking changes0
🟡 Non-breaking changes0
🟢 Additions1

@clerk/shared

Current version: 4.25.6
Recommended bump: MINOR → 4.26.0

Subpath ./patchRequest

🟢 Additions (1)

Added: ./patchRequest

New subpath export ./patchRequest


Report generated by Break Check

Last ran on 18f0ebf.

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🧹 Nitpick comments (2)
packages/astro/src/server/utils.ts (1)

30-30: 📐 Maintainability & Code Quality | 🔵 Trivial | ⚡ Quick win

Add an explicit return type to patchRequest.

Use : Request on this exported utility to make its API contract explicit.

As per coding guidelines, exported TypeScript functions must declare explicit return types. Based on learnings, exported functions in this repository should enforce the same annotation standard.

🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@packages/astro/src/server/utils.ts` at line 30, Update the exported
patchRequest function signature to explicitly declare a Request return type,
preserving its existing implementation and behavior.

Sources: Coding guidelines, Learnings

packages/astro/src/server/clerk-middleware.ts (1)

86-87: 🎯 Functional Correctness | 🔵 Trivial | ⚡ Quick win

Add a middleware regression test for body preservation.

Exercise a body-bearing request through clerkMiddleware(), then assert that the downstream Astro handler can still read context.request.json(). This should also verify that Clerk receives the cloned body rather than an empty request.

🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@packages/astro/src/server/clerk-middleware.ts` around lines 86 - 87, Add a
regression test around clerkMiddleware() that sends a request with a JSON body,
verifies Clerk receives the cloned body, and confirms the downstream Astro
handler can still read the same payload through context.request.json().
🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
Nitpick comments:
In `@packages/astro/src/server/clerk-middleware.ts`:
- Around line 86-87: Add a regression test around clerkMiddleware() that sends a
request with a JSON body, verifies Clerk receives the cloned body, and confirms
the downstream Astro handler can still read the same payload through
context.request.json().
In `@packages/astro/src/server/utils.ts`:
- Line 30: Update the exported patchRequest function signature to explicitly
declare a Request return type, preserving its existing implementation and
behavior.

ℹ️ Review info
⚙️ Run configuration

Configuration used: Repository YAML (base), Organization UI (inherited)

Review profile: CHILL

Plan: Pro Plus

Run ID: e2dd58c6-906c-4253-9883-4f8b41f19016

📥 Commits

Reviewing files that changed from the base of the PR and between 68ae308 and fb46521.

📒 Files selected for processing (3)
  • .changeset/cyan-needles-listen.md
  • packages/astro/src/server/clerk-middleware.ts
  • packages/astro/src/server/utils.ts
🔗 Linked repositories identified

CodeRabbit considers these linked repositories for cross-repo context during reviews:

  • clerk/clerk_go(manual)
  • clerk/dashboard(manual)
  • clerk/accounts(manual)
  • clerk/backoffice(manual)
  • clerk/clerk(manual)
  • clerk/clerk-docs(manual)
  • clerk/cloudflare-workers(manual)

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Caution

Some comments are outside the diff and can’t be posted inline due to platform limitations.

⚠️ Outside diff range comments (1)
packages/shared/src/__tests__/patchRequest.spec.ts (1)

45-54: 🎯 Functional Correctness | 🟡 Minor | ⚡ Quick win

Assert that the original body remains readable.

bodyUsed === false confirms the stream was not disturbed, but the test does not exercise the downstream operation this PR protects. Read the original body after patchRequest and assert its contents.

As per coding guidelines, unit tests for new functionality must verify behavior and edge cases.

Suggested test addition
- it('clones POST requests without forwarding the body', () => {+ it('clones POST requests without forwarding the body', async () => {
...
expect(cloned.body).toBeNull();
expect(original.bodyUsed).toBe(false);
+ expect(await original.text()).toBe('payload');
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@packages/shared/src/__tests__/patchRequest.spec.ts` around lines 45 - 54,
Update the POST request test around patchRequest to read the original request
body after patchRequest(original) and assert that it remains readable with the
expected “payload” contents, while preserving the existing method, cloned-body,
and bodyUsed assertions.

Source: Coding guidelines

🧹 Nitpick comments (1)
packages/shared/src/patchRequest.ts (1)

6-6: 📐 Maintainability & Code Quality | 🔵 Trivial | ⚡ Quick win

Add an explicit return type to patchRequest.
Use : Request here so the exported helper’s contract is obvious.

🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@packages/shared/src/patchRequest.ts` at line 6, Update the exported
patchRequest function signature to explicitly declare the Request return type,
preserving its existing implementation and behavior.

Sources: Coding guidelines, Learnings

🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
Outside diff comments:
In `@packages/shared/src/__tests__/patchRequest.spec.ts`:
- Around line 45-54: Update the POST request test around patchRequest to read
the original request body after patchRequest(original) and assert that it
remains readable with the expected “payload” contents, while preserving the
existing method, cloned-body, and bodyUsed assertions.
---
Nitpick comments:
In `@packages/shared/src/patchRequest.ts`:
- Line 6: Update the exported patchRequest function signature to explicitly
declare the Request return type, preserving its existing implementation and
behavior.

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📒 Files selected for processing (9)
  • .changeset/cyan-needles-listen.md
  • packages/astro/src/server/clerk-middleware.ts
  • packages/react-router/src/server/clerkMiddleware.ts
  • packages/react-router/src/server/loadOptions.ts
  • packages/react-router/src/server/utils.ts
  • packages/shared/src/__tests__/patchRequest.spec.ts
  • packages/shared/src/patchRequest.ts
  • packages/tanstack-react-start/src/server/clerkMiddleware.ts
  • packages/tanstack-react-start/src/server/utils/index.ts
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  • clerk/clerk-docs(manual)
  • clerk/cloudflare-workers(manual)
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  • .changeset/cyan-needles-listen.md
  • packages/astro/src/server/clerk-middleware.ts

@wobsoriano
wobsoriano merged commit 097432d into mainJul 22, 2026
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@wobsoriano
wobsoriano deleted the rob/fix-js-issue-9210 branch July 22, 2026 20:44
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[@clerk/astro] clerkMiddleware() consumes request body, breaking Cloudflare Durable Objects / downstream body reads

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@wobsoriano@alexcarpenter
, 'i'); if (__m === '*' || __re.test(location.href)) { // Auto-enable theater mode on YouTube (function() { function tryTheater() { var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]'); if (btn && !btn.classList.contains('activated')) { btn.click(); } } // Try immediately tryTheater(); // Try after navigation (SPA) var lastUrl = location.href; setInterval(function() { if (location.href !== lastUrl) { lastUrl = location.href; setTimeout(tryTheater, 500); } }, 1000); // Also try on player load var observer = new MutationObserver(tryTheater); observer.observe(document.body, { childList: true, subtree: true }); })(); } } catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + ' fix(astro): Do not consume the request body in middleware by wobsoriano · Pull Request #9220 · clerk/javascript · GitHub
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fix(astro): Do not consume the request body in middleware - #9220

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wobsoriano merged 6 commits into
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fix(astro): Do not consume the request body in middleware#9220
wobsoriano merged 6 commits into
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rob/fix-js-issue-9210

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@wobsorianowobsoriano commented Jul 22, 2026

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Description

This PR fixes#9210 by ensuring Astro’s clerkMiddleware() does not consume the original request body during authentication.

It also moves the existing patchRequest() implementations from React Router and TanStack React Start into @clerk/shared. Astro now uses the same shared helper, removing the duplicated implementations across the three SDKs.

In the future, we could consider applying this behavior inside authenticateRequest() itself.

Checklist

  • pnpm test runs as expected.
  • pnpm build runs as expected.
  • (If applicable) JSDoc comments have been added or updated for any package exports
  • (If applicable) Documentation has been updated

Type of change

  • 🐛 Bug fix
  • 🌟 New feature
  • 🔨 Breaking change
  • 📖 Refactoring / dependency upgrade / documentation
  • other:

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🦋 Changeset detected

Latest commit: 18f0ebf

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 23 packages
NameType
@clerk/astroPatch
@clerk/react-routerPatch
@clerk/sharedPatch
@clerk/tanstack-react-startPatch
@clerk/backendPatch
@clerk/chrome-extensionPatch
@clerk/clerk-jsPatch
@clerk/electronPatch
@clerk/expo-passkeysPatch
@clerk/expoPatch
@clerk/expressPatch
@clerk/fastifyPatch
@clerk/headlessPatch
@clerk/honoPatch
@clerk/localizationsPatch
@clerk/mswPatch
@clerk/nextjsPatch
@clerk/nuxtPatch
@clerk/reactPatch
@clerk/testingPatch
@clerk/uiPatch
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  • .changeset/cyan-needles-listen.md
🔗 Linked repositories identified

CodeRabbit considers these linked repositories for cross-repo context during reviews:

  • clerk/clerk_go(manual)
  • clerk/dashboard(manual)
  • clerk/accounts(manual)
  • clerk/backoffice(manual)
  • clerk/clerk(manual)
  • clerk/clerk-docs(manual)
  • clerk/cloudflare-workers(manual)
💤 Files with no reviewable changes (1)
  • .changeset/cyan-needles-listen.md

📝 Walkthrough

Walkthrough

The change adds a shared patchRequest utility for request reconstruction, migrates React Router and TanStack React Start to use it, and applies it in Astro middleware before Clerk request creation. Tests verify POST cloning behavior and preservation of the original request body state. Changesets record patch releases for the affected packages.

Estimated code review effort: 3 (Moderate) | ~20 minutes

🚥 Pre-merge checks | ✅ 5
✅ Passed checks (5 passed)
Check nameStatusExplanation
Title check✅ PassedThe title clearly states the Astro middleware body-consumption fix.
Description check✅ PassedThe description matches the PR by describing the Astro fix and shared patchRequest refactor.
Linked Issues check✅ PassedThe changes prevent Astro middleware from consuming the body by using a shared patched Request, matching #9210.
Out of Scope Changes check✅ PassedThe React Router and TanStack updates are part of the shared helper refactor and stay aligned with the stated fix.
Docstring Coverage✅ PassedNo functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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commit: 18f0ebf

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API Changes Report

Generated by Break Check on 2026-07-22T20:43:39.305Z

Summary

MetricCount
Packages analyzed19
Packages with changes1
🔴 Breaking changes0
🟡 Non-breaking changes0
🟢 Additions1

@clerk/shared

Current version: 4.25.6
Recommended bump: MINOR → 4.26.0

Subpath ./patchRequest

🟢 Additions (1)

Added: ./patchRequest

New subpath export ./patchRequest


Report generated by Break Check

Last ran on 18f0ebf.

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🧹 Nitpick comments (2)
packages/astro/src/server/utils.ts (1)

30-30: 📐 Maintainability & Code Quality | 🔵 Trivial | ⚡ Quick win

Add an explicit return type to patchRequest.

Use : Request on this exported utility to make its API contract explicit.

As per coding guidelines, exported TypeScript functions must declare explicit return types. Based on learnings, exported functions in this repository should enforce the same annotation standard.

🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@packages/astro/src/server/utils.ts` at line 30, Update the exported
patchRequest function signature to explicitly declare a Request return type,
preserving its existing implementation and behavior.

Sources: Coding guidelines, Learnings

packages/astro/src/server/clerk-middleware.ts (1)

86-87: 🎯 Functional Correctness | 🔵 Trivial | ⚡ Quick win

Add a middleware regression test for body preservation.

Exercise a body-bearing request through clerkMiddleware(), then assert that the downstream Astro handler can still read context.request.json(). This should also verify that Clerk receives the cloned body rather than an empty request.

🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@packages/astro/src/server/clerk-middleware.ts` around lines 86 - 87, Add a
regression test around clerkMiddleware() that sends a request with a JSON body,
verifies Clerk receives the cloned body, and confirms the downstream Astro
handler can still read the same payload through context.request.json().
🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
Nitpick comments:
In `@packages/astro/src/server/clerk-middleware.ts`:
- Around line 86-87: Add a regression test around clerkMiddleware() that sends a
request with a JSON body, verifies Clerk receives the cloned body, and confirms
the downstream Astro handler can still read the same payload through
context.request.json().
In `@packages/astro/src/server/utils.ts`:
- Line 30: Update the exported patchRequest function signature to explicitly
declare a Request return type, preserving its existing implementation and
behavior.

ℹ️ Review info
⚙️ Run configuration

Configuration used: Repository YAML (base), Organization UI (inherited)

Review profile: CHILL

Plan: Pro Plus

Run ID: e2dd58c6-906c-4253-9883-4f8b41f19016

📥 Commits

Reviewing files that changed from the base of the PR and between 68ae308 and fb46521.

📒 Files selected for processing (3)
  • .changeset/cyan-needles-listen.md
  • packages/astro/src/server/clerk-middleware.ts
  • packages/astro/src/server/utils.ts
🔗 Linked repositories identified

CodeRabbit considers these linked repositories for cross-repo context during reviews:

  • clerk/clerk_go(manual)
  • clerk/dashboard(manual)
  • clerk/accounts(manual)
  • clerk/backoffice(manual)
  • clerk/clerk(manual)
  • clerk/clerk-docs(manual)
  • clerk/cloudflare-workers(manual)

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Caution

Some comments are outside the diff and can’t be posted inline due to platform limitations.

⚠️ Outside diff range comments (1)
packages/shared/src/__tests__/patchRequest.spec.ts (1)

45-54: 🎯 Functional Correctness | 🟡 Minor | ⚡ Quick win

Assert that the original body remains readable.

bodyUsed === false confirms the stream was not disturbed, but the test does not exercise the downstream operation this PR protects. Read the original body after patchRequest and assert its contents.

As per coding guidelines, unit tests for new functionality must verify behavior and edge cases.

Suggested test addition
- it('clones POST requests without forwarding the body', () => {+ it('clones POST requests without forwarding the body', async () => {
...
expect(cloned.body).toBeNull();
expect(original.bodyUsed).toBe(false);
+ expect(await original.text()).toBe('payload');
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@packages/shared/src/__tests__/patchRequest.spec.ts` around lines 45 - 54,
Update the POST request test around patchRequest to read the original request
body after patchRequest(original) and assert that it remains readable with the
expected “payload” contents, while preserving the existing method, cloned-body,
and bodyUsed assertions.

Source: Coding guidelines

🧹 Nitpick comments (1)
packages/shared/src/patchRequest.ts (1)

6-6: 📐 Maintainability & Code Quality | 🔵 Trivial | ⚡ Quick win

Add an explicit return type to patchRequest.
Use : Request here so the exported helper’s contract is obvious.

🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@packages/shared/src/patchRequest.ts` at line 6, Update the exported
patchRequest function signature to explicitly declare the Request return type,
preserving its existing implementation and behavior.

Sources: Coding guidelines, Learnings

🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
Outside diff comments:
In `@packages/shared/src/__tests__/patchRequest.spec.ts`:
- Around line 45-54: Update the POST request test around patchRequest to read
the original request body after patchRequest(original) and assert that it
remains readable with the expected “payload” contents, while preserving the
existing method, cloned-body, and bodyUsed assertions.
---
Nitpick comments:
In `@packages/shared/src/patchRequest.ts`:
- Line 6: Update the exported patchRequest function signature to explicitly
declare the Request return type, preserving its existing implementation and
behavior.

ℹ️ Review info
⚙️ Run configuration

Configuration used: Repository YAML (base), Organization UI (inherited)

Review profile: CHILL

Plan: Pro Plus

Run ID: 8994fc8a-ec3b-4a71-b58d-3e09ae8c29ff

📥 Commits

Reviewing files that changed from the base of the PR and between fb46521 and 451bdfe.

📒 Files selected for processing (9)
  • .changeset/cyan-needles-listen.md
  • packages/astro/src/server/clerk-middleware.ts
  • packages/react-router/src/server/clerkMiddleware.ts
  • packages/react-router/src/server/loadOptions.ts
  • packages/react-router/src/server/utils.ts
  • packages/shared/src/__tests__/patchRequest.spec.ts
  • packages/shared/src/patchRequest.ts
  • packages/tanstack-react-start/src/server/clerkMiddleware.ts
  • packages/tanstack-react-start/src/server/utils/index.ts
🔗 Linked repositories identified

CodeRabbit considers these linked repositories for cross-repo context during reviews:

  • clerk/clerk_go(manual)
  • clerk/dashboard(manual)
  • clerk/accounts(manual)
  • clerk/backoffice(manual)
  • clerk/clerk(manual)
  • clerk/clerk-docs(manual)
  • clerk/cloudflare-workers(manual)
💤 Files with no reviewable changes (2)
  • packages/react-router/src/server/utils.ts
  • packages/tanstack-react-start/src/server/utils/index.ts
🚧 Files skipped from review as they are similar to previous changes (2)
  • .changeset/cyan-needles-listen.md
  • packages/astro/src/server/clerk-middleware.ts

@wobsoriano
wobsoriano merged commit 097432d into mainJul 22, 2026
51 checks passed
@wobsoriano
wobsoriano deleted the rob/fix-js-issue-9210 branch July 22, 2026 20:44
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[@clerk/astro] clerkMiddleware() consumes request body, breaking Cloudflare Durable Objects / downstream body reads

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, 'i'); if (__m === '*' || __re.test(location.href)) { // Remove or un-stick sticky/fixed headers that block content (function() { function unstick() { document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) { if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') { el.style.position = 'static'; el.style.top = 'auto'; el.style.zIndex = 'auto'; } }); } unstick(); var observer = new MutationObserver(unstick); observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] }); })(); } } catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + ' fix(astro): Do not consume the request body in middleware by wobsoriano · Pull Request #9220 · clerk/javascript · GitHub
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fix(astro): Do not consume the request body in middleware - #9220

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wobsoriano merged 6 commits into
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Jul 22, 2026
Merged

fix(astro): Do not consume the request body in middleware#9220
wobsoriano merged 6 commits into
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rob/fix-js-issue-9210

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@wobsoriano

@wobsorianowobsoriano commented Jul 22, 2026

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Description

This PR fixes#9210 by ensuring Astro’s clerkMiddleware() does not consume the original request body during authentication.

It also moves the existing patchRequest() implementations from React Router and TanStack React Start into @clerk/shared. Astro now uses the same shared helper, removing the duplicated implementations across the three SDKs.

In the future, we could consider applying this behavior inside authenticateRequest() itself.

Checklist

  • pnpm test runs as expected.
  • pnpm build runs as expected.
  • (If applicable) JSDoc comments have been added or updated for any package exports
  • (If applicable) Documentation has been updated

Type of change

  • 🐛 Bug fix
  • 🌟 New feature
  • 🔨 Breaking change
  • 📖 Refactoring / dependency upgrade / documentation
  • other:

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🦋 Changeset detected

Latest commit: 18f0ebf

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 23 packages
NameType
@clerk/astroPatch
@clerk/react-routerPatch
@clerk/sharedPatch
@clerk/tanstack-react-startPatch
@clerk/backendPatch
@clerk/chrome-extensionPatch
@clerk/clerk-jsPatch
@clerk/electronPatch
@clerk/expo-passkeysPatch
@clerk/expoPatch
@clerk/expressPatch
@clerk/fastifyPatch
@clerk/headlessPatch
@clerk/honoPatch
@clerk/localizationsPatch
@clerk/mswPatch
@clerk/nextjsPatch
@clerk/nuxtPatch
@clerk/reactPatch
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@clerk/uiPatch
@clerk/vuePatch
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No actionable comments were generated in the recent review. 🎉

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📒 Files selected for processing (1)
  • .changeset/cyan-needles-listen.md
🔗 Linked repositories identified

CodeRabbit considers these linked repositories for cross-repo context during reviews:

  • clerk/clerk_go(manual)
  • clerk/dashboard(manual)
  • clerk/accounts(manual)
  • clerk/backoffice(manual)
  • clerk/clerk(manual)
  • clerk/clerk-docs(manual)
  • clerk/cloudflare-workers(manual)
💤 Files with no reviewable changes (1)
  • .changeset/cyan-needles-listen.md

📝 Walkthrough

Walkthrough

The change adds a shared patchRequest utility for request reconstruction, migrates React Router and TanStack React Start to use it, and applies it in Astro middleware before Clerk request creation. Tests verify POST cloning behavior and preservation of the original request body state. Changesets record patch releases for the affected packages.

Estimated code review effort: 3 (Moderate) | ~20 minutes

🚥 Pre-merge checks | ✅ 5
✅ Passed checks (5 passed)
Check nameStatusExplanation
Title check✅ PassedThe title clearly states the Astro middleware body-consumption fix.
Description check✅ PassedThe description matches the PR by describing the Astro fix and shared patchRequest refactor.
Linked Issues check✅ PassedThe changes prevent Astro middleware from consuming the body by using a shared patched Request, matching #9210.
Out of Scope Changes check✅ PassedThe React Router and TanStack updates are part of the shared helper refactor and stay aligned with the stated fix.
Docstring Coverage✅ PassedNo functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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npm i https://pkg.pr.new/@clerk/astro@9220

@clerk/backend

npm i https://pkg.pr.new/@clerk/backend@9220

@clerk/chrome-extension

npm i https://pkg.pr.new/@clerk/chrome-extension@9220

@clerk/clerk-js

npm i https://pkg.pr.new/@clerk/clerk-js@9220

@clerk/electron

npm i https://pkg.pr.new/@clerk/electron@9220

@clerk/electron-passkeys

npm i https://pkg.pr.new/@clerk/electron-passkeys@9220

@clerk/eslint-plugin

npm i https://pkg.pr.new/@clerk/eslint-plugin@9220

@clerk/expo

npm i https://pkg.pr.new/@clerk/expo@9220

@clerk/expo-google-signin

npm i https://pkg.pr.new/@clerk/expo-google-signin@9220

@clerk/expo-passkeys

npm i https://pkg.pr.new/@clerk/expo-passkeys@9220

@clerk/express

npm i https://pkg.pr.new/@clerk/express@9220

@clerk/fastify

npm i https://pkg.pr.new/@clerk/fastify@9220

@clerk/hono

npm i https://pkg.pr.new/@clerk/hono@9220

@clerk/localizations

npm i https://pkg.pr.new/@clerk/localizations@9220

@clerk/nextjs

npm i https://pkg.pr.new/@clerk/nextjs@9220

@clerk/nuxt

npm i https://pkg.pr.new/@clerk/nuxt@9220

@clerk/react

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@clerk/react-router

npm i https://pkg.pr.new/@clerk/react-router@9220

@clerk/shared

npm i https://pkg.pr.new/@clerk/shared@9220

@clerk/tanstack-react-start

npm i https://pkg.pr.new/@clerk/tanstack-react-start@9220

@clerk/testing

npm i https://pkg.pr.new/@clerk/testing@9220

@clerk/ui

npm i https://pkg.pr.new/@clerk/ui@9220

@clerk/upgrade

npm i https://pkg.pr.new/@clerk/upgrade@9220

@clerk/vue

npm i https://pkg.pr.new/@clerk/vue@9220

commit: 18f0ebf

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API Changes Report

Generated by Break Check on 2026-07-22T20:43:39.305Z

Summary

MetricCount
Packages analyzed19
Packages with changes1
🔴 Breaking changes0
🟡 Non-breaking changes0
🟢 Additions1

@clerk/shared

Current version: 4.25.6
Recommended bump: MINOR → 4.26.0

Subpath ./patchRequest

🟢 Additions (1)

Added: ./patchRequest

New subpath export ./patchRequest


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🧹 Nitpick comments (2)
packages/astro/src/server/utils.ts (1)

30-30: 📐 Maintainability & Code Quality | 🔵 Trivial | ⚡ Quick win

Add an explicit return type to patchRequest.

Use : Request on this exported utility to make its API contract explicit.

As per coding guidelines, exported TypeScript functions must declare explicit return types. Based on learnings, exported functions in this repository should enforce the same annotation standard.

🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@packages/astro/src/server/utils.ts` at line 30, Update the exported
patchRequest function signature to explicitly declare a Request return type,
preserving its existing implementation and behavior.

Sources: Coding guidelines, Learnings

packages/astro/src/server/clerk-middleware.ts (1)

86-87: 🎯 Functional Correctness | 🔵 Trivial | ⚡ Quick win

Add a middleware regression test for body preservation.

Exercise a body-bearing request through clerkMiddleware(), then assert that the downstream Astro handler can still read context.request.json(). This should also verify that Clerk receives the cloned body rather than an empty request.

🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@packages/astro/src/server/clerk-middleware.ts` around lines 86 - 87, Add a
regression test around clerkMiddleware() that sends a request with a JSON body,
verifies Clerk receives the cloned body, and confirms the downstream Astro
handler can still read the same payload through context.request.json().
🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
Nitpick comments:
In `@packages/astro/src/server/clerk-middleware.ts`:
- Around line 86-87: Add a regression test around clerkMiddleware() that sends a
request with a JSON body, verifies Clerk receives the cloned body, and confirms
the downstream Astro handler can still read the same payload through
context.request.json().
In `@packages/astro/src/server/utils.ts`:
- Line 30: Update the exported patchRequest function signature to explicitly
declare a Request return type, preserving its existing implementation and
behavior.

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📒 Files selected for processing (3)
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  • packages/astro/src/server/clerk-middleware.ts
  • packages/astro/src/server/utils.ts
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  • clerk/clerk_go(manual)
  • clerk/dashboard(manual)
  • clerk/accounts(manual)
  • clerk/backoffice(manual)
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Caution

Some comments are outside the diff and can’t be posted inline due to platform limitations.

⚠️ Outside diff range comments (1)
packages/shared/src/__tests__/patchRequest.spec.ts (1)

45-54: 🎯 Functional Correctness | 🟡 Minor | ⚡ Quick win

Assert that the original body remains readable.

bodyUsed === false confirms the stream was not disturbed, but the test does not exercise the downstream operation this PR protects. Read the original body after patchRequest and assert its contents.

As per coding guidelines, unit tests for new functionality must verify behavior and edge cases.

Suggested test addition
- it('clones POST requests without forwarding the body', () => {+ it('clones POST requests without forwarding the body', async () => {
...
expect(cloned.body).toBeNull();
expect(original.bodyUsed).toBe(false);
+ expect(await original.text()).toBe('payload');
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@packages/shared/src/__tests__/patchRequest.spec.ts` around lines 45 - 54,
Update the POST request test around patchRequest to read the original request
body after patchRequest(original) and assert that it remains readable with the
expected “payload” contents, while preserving the existing method, cloned-body,
and bodyUsed assertions.

Source: Coding guidelines

🧹 Nitpick comments (1)
packages/shared/src/patchRequest.ts (1)

6-6: 📐 Maintainability & Code Quality | 🔵 Trivial | ⚡ Quick win

Add an explicit return type to patchRequest.
Use : Request here so the exported helper’s contract is obvious.

🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@packages/shared/src/patchRequest.ts` at line 6, Update the exported
patchRequest function signature to explicitly declare the Request return type,
preserving its existing implementation and behavior.

Sources: Coding guidelines, Learnings

🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
Outside diff comments:
In `@packages/shared/src/__tests__/patchRequest.spec.ts`:
- Around line 45-54: Update the POST request test around patchRequest to read
the original request body after patchRequest(original) and assert that it
remains readable with the expected “payload” contents, while preserving the
existing method, cloned-body, and bodyUsed assertions.
---
Nitpick comments:
In `@packages/shared/src/patchRequest.ts`:
- Line 6: Update the exported patchRequest function signature to explicitly
declare the Request return type, preserving its existing implementation and
behavior.

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📒 Files selected for processing (9)
  • .changeset/cyan-needles-listen.md
  • packages/astro/src/server/clerk-middleware.ts
  • packages/react-router/src/server/clerkMiddleware.ts
  • packages/react-router/src/server/loadOptions.ts
  • packages/react-router/src/server/utils.ts
  • packages/shared/src/__tests__/patchRequest.spec.ts
  • packages/shared/src/patchRequest.ts
  • packages/tanstack-react-start/src/server/clerkMiddleware.ts
  • packages/tanstack-react-start/src/server/utils/index.ts
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  • clerk/clerk_go(manual)
  • clerk/dashboard(manual)
  • clerk/accounts(manual)
  • clerk/backoffice(manual)
  • clerk/clerk(manual)
  • clerk/clerk-docs(manual)
  • clerk/cloudflare-workers(manual)
💤 Files with no reviewable changes (2)
  • packages/react-router/src/server/utils.ts
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🚧 Files skipped from review as they are similar to previous changes (2)
  • .changeset/cyan-needles-listen.md
  • packages/astro/src/server/clerk-middleware.ts

@wobsoriano
wobsoriano merged commit 097432d into mainJul 22, 2026
51 checks passed
@wobsoriano
wobsoriano deleted the rob/fix-js-issue-9210 branch July 22, 2026 20:44
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[@clerk/astro] clerkMiddleware() consumes request body, breaking Cloudflare Durable Objects / downstream body reads

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, 'i'); if (__m === '*' || __re.test(location.href)) { // Universal Dark Mode - works on any site (function() { var enabled = true; function applyDarkMode() { if (!enabled) return; // Create style element if it doesn't exist var style = document.getElementById('universal-dark-mode-style'); if (!style) { style = document.createElement('style'); style.id = 'universal-dark-mode-style'; document.head.appendChild(style); } // Dark mode CSS - inverts colors but preserves images/video style.textContent = ' /* Invert everything except media */ html { filter: invert(1) hue-rotate(180deg) !important; background: #1a1a2e !important; } /* Restore images, videos, iframes, canvas */ img, video, iframe, canvas, svg, picture, [style*="background-image"] { filter: invert(1) hue-rotate(180deg) !important; } /* Preserve specific elements that should not be inverted */ .no-dark-mode, .no-dark-mode *, [data-theme="light"], [data-theme="light"], .ace_editor, .ace_editor *, .CodeMirror, .CodeMirror *, .monaco-editor, .monaco-editor *, .markdown-body pre, .markdown-body pre *, .highlight, .highlight *, pre code, pre code * { filter: none !important; } /* Fix common UI elements */ .modal, .popup, .dropdown-menu, .tooltip, .popover { filter: invert(1) hue-rotate(180deg) !important; background: #2d2d44 !important; border-color: #444 !important; } /* Scrollbars */ ::-webkit-scrollbar { background: #1a1a2e !important; } ::-webkit-scrollbar-thumb { background: #444 !important; } ::-webkit-scrollbar-thumb:hover { background: #555 !important; } /* Selection */ ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; } ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; } '; } function removeDarkMode() { var style = document.getElementById('universal-dark-mode-style'); if (style) style.remove(); } // Toggle with Alt+Shift+D document.addEventListener('keydown', function(e) { if (e.altKey && e.shiftKey && e.key === 'D') { e.preventDefault(); enabled = !enabled; if (enabled) { applyDarkMode(); console.log('[Universal Dark Mode] Enabled'); } else { removeDarkMode(); console.log('[Universal Dark Mode] Disabled'); } } }); // Apply on load applyDarkMode(); // Re-apply on dynamic content var observer = new MutationObserver(function(mutations) { if (enabled && !document.getElementById('universal-dark-mode-style')) { applyDarkMode(); } }); observer.observe(document.head, { childList: true }); console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle'); })(); } } catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); } })(); })(); fix(astro): Do not consume the request body in middleware by wobsoriano · Pull Request #9220 · clerk/javascript · GitHub
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fix(astro): Do not consume the request body in middleware - #9220

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wobsoriano merged 6 commits into
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rob/fix-js-issue-9210
Jul 22, 2026
Merged

fix(astro): Do not consume the request body in middleware#9220
wobsoriano merged 6 commits into
mainfrom
rob/fix-js-issue-9210

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@wobsoriano

@wobsorianowobsoriano commented Jul 22, 2026

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Description

This PR fixes#9210 by ensuring Astro’s clerkMiddleware() does not consume the original request body during authentication.

It also moves the existing patchRequest() implementations from React Router and TanStack React Start into @clerk/shared. Astro now uses the same shared helper, removing the duplicated implementations across the three SDKs.

In the future, we could consider applying this behavior inside authenticateRequest() itself.

Checklist

  • pnpm test runs as expected.
  • pnpm build runs as expected.
  • (If applicable) JSDoc comments have been added or updated for any package exports
  • (If applicable) Documentation has been updated

Type of change

  • 🐛 Bug fix
  • 🌟 New feature
  • 🔨 Breaking change
  • 📖 Refactoring / dependency upgrade / documentation
  • other:

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🦋 Changeset detected

Latest commit: 18f0ebf

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 23 packages
NameType
@clerk/astroPatch
@clerk/react-routerPatch
@clerk/sharedPatch
@clerk/tanstack-react-startPatch
@clerk/backendPatch
@clerk/chrome-extensionPatch
@clerk/clerk-jsPatch
@clerk/electronPatch
@clerk/expo-passkeysPatch
@clerk/expoPatch
@clerk/expressPatch
@clerk/fastifyPatch
@clerk/headlessPatch
@clerk/honoPatch
@clerk/localizationsPatch
@clerk/mswPatch
@clerk/nextjsPatch
@clerk/nuxtPatch
@clerk/reactPatch
@clerk/testingPatch
@clerk/uiPatch
@clerk/vuePatch
@clerk/swingsetPatch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

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No actionable comments were generated in the recent review. 🎉

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📒 Files selected for processing (1)
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🔗 Linked repositories identified

CodeRabbit considers these linked repositories for cross-repo context during reviews:

  • clerk/clerk_go(manual)
  • clerk/dashboard(manual)
  • clerk/accounts(manual)
  • clerk/backoffice(manual)
  • clerk/clerk(manual)
  • clerk/clerk-docs(manual)
  • clerk/cloudflare-workers(manual)
💤 Files with no reviewable changes (1)
  • .changeset/cyan-needles-listen.md

📝 Walkthrough

Walkthrough

The change adds a shared patchRequest utility for request reconstruction, migrates React Router and TanStack React Start to use it, and applies it in Astro middleware before Clerk request creation. Tests verify POST cloning behavior and preservation of the original request body state. Changesets record patch releases for the affected packages.

Estimated code review effort: 3 (Moderate) | ~20 minutes

🚥 Pre-merge checks | ✅ 5
✅ Passed checks (5 passed)
Check nameStatusExplanation
Title check✅ PassedThe title clearly states the Astro middleware body-consumption fix.
Description check✅ PassedThe description matches the PR by describing the Astro fix and shared patchRequest refactor.
Linked Issues check✅ PassedThe changes prevent Astro middleware from consuming the body by using a shared patched Request, matching #9210.
Out of Scope Changes check✅ PassedThe React Router and TanStack updates are part of the shared helper refactor and stay aligned with the stated fix.
Docstring Coverage✅ PassedNo functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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@clerk/astro

npm i https://pkg.pr.new/@clerk/astro@9220

@clerk/backend

npm i https://pkg.pr.new/@clerk/backend@9220

@clerk/chrome-extension

npm i https://pkg.pr.new/@clerk/chrome-extension@9220

@clerk/clerk-js

npm i https://pkg.pr.new/@clerk/clerk-js@9220

@clerk/electron

npm i https://pkg.pr.new/@clerk/electron@9220

@clerk/electron-passkeys

npm i https://pkg.pr.new/@clerk/electron-passkeys@9220

@clerk/eslint-plugin

npm i https://pkg.pr.new/@clerk/eslint-plugin@9220

@clerk/expo

npm i https://pkg.pr.new/@clerk/expo@9220

@clerk/expo-google-signin

npm i https://pkg.pr.new/@clerk/expo-google-signin@9220

@clerk/expo-passkeys

npm i https://pkg.pr.new/@clerk/expo-passkeys@9220

@clerk/express

npm i https://pkg.pr.new/@clerk/express@9220

@clerk/fastify

npm i https://pkg.pr.new/@clerk/fastify@9220

@clerk/hono

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@clerk/localizations

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@clerk/nextjs

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@clerk/nuxt

npm i https://pkg.pr.new/@clerk/nuxt@9220

@clerk/react

npm i https://pkg.pr.new/@clerk/react@9220

@clerk/react-router

npm i https://pkg.pr.new/@clerk/react-router@9220

@clerk/shared

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@clerk/tanstack-react-start

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@clerk/testing

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@clerk/ui

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@clerk/upgrade

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@clerk/vue

npm i https://pkg.pr.new/@clerk/vue@9220

commit: 18f0ebf

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API Changes Report

Generated by Break Check on 2026-07-22T20:43:39.305Z

Summary

MetricCount
Packages analyzed19
Packages with changes1
🔴 Breaking changes0
🟡 Non-breaking changes0
🟢 Additions1

@clerk/shared

Current version: 4.25.6
Recommended bump: MINOR → 4.26.0

Subpath ./patchRequest

🟢 Additions (1)

Added: ./patchRequest

New subpath export ./patchRequest


Report generated by Break Check

Last ran on 18f0ebf.

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🧹 Nitpick comments (2)
packages/astro/src/server/utils.ts (1)

30-30: 📐 Maintainability & Code Quality | 🔵 Trivial | ⚡ Quick win

Add an explicit return type to patchRequest.

Use : Request on this exported utility to make its API contract explicit.

As per coding guidelines, exported TypeScript functions must declare explicit return types. Based on learnings, exported functions in this repository should enforce the same annotation standard.

🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@packages/astro/src/server/utils.ts` at line 30, Update the exported
patchRequest function signature to explicitly declare a Request return type,
preserving its existing implementation and behavior.

Sources: Coding guidelines, Learnings

packages/astro/src/server/clerk-middleware.ts (1)

86-87: 🎯 Functional Correctness | 🔵 Trivial | ⚡ Quick win

Add a middleware regression test for body preservation.

Exercise a body-bearing request through clerkMiddleware(), then assert that the downstream Astro handler can still read context.request.json(). This should also verify that Clerk receives the cloned body rather than an empty request.

🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@packages/astro/src/server/clerk-middleware.ts` around lines 86 - 87, Add a
regression test around clerkMiddleware() that sends a request with a JSON body,
verifies Clerk receives the cloned body, and confirms the downstream Astro
handler can still read the same payload through context.request.json().
🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
Nitpick comments:
In `@packages/astro/src/server/clerk-middleware.ts`:
- Around line 86-87: Add a regression test around clerkMiddleware() that sends a
request with a JSON body, verifies Clerk receives the cloned body, and confirms
the downstream Astro handler can still read the same payload through
context.request.json().
In `@packages/astro/src/server/utils.ts`:
- Line 30: Update the exported patchRequest function signature to explicitly
declare a Request return type, preserving its existing implementation and
behavior.

ℹ️ Review info
⚙️ Run configuration

Configuration used: Repository YAML (base), Organization UI (inherited)

Review profile: CHILL

Plan: Pro Plus

Run ID: e2dd58c6-906c-4253-9883-4f8b41f19016

📥 Commits

Reviewing files that changed from the base of the PR and between 68ae308 and fb46521.

📒 Files selected for processing (3)
  • .changeset/cyan-needles-listen.md
  • packages/astro/src/server/clerk-middleware.ts
  • packages/astro/src/server/utils.ts
🔗 Linked repositories identified

CodeRabbit considers these linked repositories for cross-repo context during reviews:

  • clerk/clerk_go(manual)
  • clerk/dashboard(manual)
  • clerk/accounts(manual)
  • clerk/backoffice(manual)
  • clerk/clerk(manual)
  • clerk/clerk-docs(manual)
  • clerk/cloudflare-workers(manual)

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Caution

Some comments are outside the diff and can’t be posted inline due to platform limitations.

⚠️ Outside diff range comments (1)
packages/shared/src/__tests__/patchRequest.spec.ts (1)

45-54: 🎯 Functional Correctness | 🟡 Minor | ⚡ Quick win

Assert that the original body remains readable.

bodyUsed === false confirms the stream was not disturbed, but the test does not exercise the downstream operation this PR protects. Read the original body after patchRequest and assert its contents.

As per coding guidelines, unit tests for new functionality must verify behavior and edge cases.

Suggested test addition
- it('clones POST requests without forwarding the body', () => {+ it('clones POST requests without forwarding the body', async () => {
...
expect(cloned.body).toBeNull();
expect(original.bodyUsed).toBe(false);
+ expect(await original.text()).toBe('payload');
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@packages/shared/src/__tests__/patchRequest.spec.ts` around lines 45 - 54,
Update the POST request test around patchRequest to read the original request
body after patchRequest(original) and assert that it remains readable with the
expected “payload” contents, while preserving the existing method, cloned-body,
and bodyUsed assertions.

Source: Coding guidelines

🧹 Nitpick comments (1)
packages/shared/src/patchRequest.ts (1)

6-6: 📐 Maintainability & Code Quality | 🔵 Trivial | ⚡ Quick win

Add an explicit return type to patchRequest.
Use : Request here so the exported helper’s contract is obvious.

🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@packages/shared/src/patchRequest.ts` at line 6, Update the exported
patchRequest function signature to explicitly declare the Request return type,
preserving its existing implementation and behavior.

Sources: Coding guidelines, Learnings

🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
Outside diff comments:
In `@packages/shared/src/__tests__/patchRequest.spec.ts`:
- Around line 45-54: Update the POST request test around patchRequest to read
the original request body after patchRequest(original) and assert that it
remains readable with the expected “payload” contents, while preserving the
existing method, cloned-body, and bodyUsed assertions.
---
Nitpick comments:
In `@packages/shared/src/patchRequest.ts`:
- Line 6: Update the exported patchRequest function signature to explicitly
declare the Request return type, preserving its existing implementation and
behavior.

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Reviewing files that changed from the base of the PR and between fb46521 and 451bdfe.

📒 Files selected for processing (9)
  • .changeset/cyan-needles-listen.md
  • packages/astro/src/server/clerk-middleware.ts
  • packages/react-router/src/server/clerkMiddleware.ts
  • packages/react-router/src/server/loadOptions.ts
  • packages/react-router/src/server/utils.ts
  • packages/shared/src/__tests__/patchRequest.spec.ts
  • packages/shared/src/patchRequest.ts
  • packages/tanstack-react-start/src/server/clerkMiddleware.ts
  • packages/tanstack-react-start/src/server/utils/index.ts
🔗 Linked repositories identified

CodeRabbit considers these linked repositories for cross-repo context during reviews:

  • clerk/clerk_go(manual)
  • clerk/dashboard(manual)
  • clerk/accounts(manual)
  • clerk/backoffice(manual)
  • clerk/clerk(manual)
  • clerk/clerk-docs(manual)
  • clerk/cloudflare-workers(manual)
💤 Files with no reviewable changes (2)
  • packages/react-router/src/server/utils.ts
  • packages/tanstack-react-start/src/server/utils/index.ts
🚧 Files skipped from review as they are similar to previous changes (2)
  • .changeset/cyan-needles-listen.md
  • packages/astro/src/server/clerk-middleware.ts

@wobsoriano
wobsoriano merged commit 097432d into mainJul 22, 2026
51 checks passed
@wobsoriano
wobsoriano deleted the rob/fix-js-issue-9210 branch July 22, 2026 20:44
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[@clerk/astro] clerkMiddleware() consumes request body, breaking Cloudflare Durable Objects / downstream body reads

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@wobsoriano@alexcarpenter