fix(examples/integrations): replace deprecated 'isServer' with 'environmentManager.isServer()' in the Next.js examples by sukvvon · Pull Request #10858 · TanStack/query

sukvvon · 2026-06-02T00:57:59Z

🎯 Changes

Migrate the remaining isServer usages in the Next.js examples and integrations to environmentManager.isServer(), matching the migration already done for react-query/preact-query (#10199), vue-query (#10826), and react-query-next-experimental (#10857).

Updated files:

integrations/react-next-15/app/providers.tsx
integrations/react-next-16/app/providers.tsx
examples/react/nextjs-suspense-streaming/src/app/page.tsx

Without these updates, users copy-pasting the Next.js provider snippet from the integration examples would import the deprecated isServer export and see the @deprecated warning in their IDE.

✅ Checklist

I have followed the steps in the Contributing guide.
I have tested this code locally with `pnpm run test:pr`.

🚀 Release Impact

This change affects published code, and I have generated a changeset.
This change is docs/CI/dev-only (no release).

Summary by CodeRabbit

Refactor
- Updated internal server-vs-browser detection across example apps and React/Next.js providers to a more current implementation.
- No user-facing behavior or public APIs changed; existing functionality and rendering remain intact.

…onmentManager.isServer()' in the Next.js examples

coderabbitai · 2026-06-02T00:58:11Z

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: a1b5e661-3948-4737-b717-ec28c0dd6889

📥 Commits

Reviewing files that changed from the base of the PR and between 9a43bcf and 5fe2829.

📒 Files selected for processing (1)

examples/react/nextjs-suspense-streaming/src/app/page.tsx

🚧 Files skipped from review as they are similar to previous changes (1)

examples/react/nextjs-suspense-streaming/src/app/page.tsx

📝 Walkthrough

Walkthrough

Migrate server detection from deprecated isServer to environmentManager.isServer() in two Next.js provider files and one example page; runtime behavior remains unchanged.

Changes

Server Detection Refactoring

Layer / File(s)	Summary
Next.js Provider Integration Updates `integrations/react-next-15/app/providers.tsx`, `integrations/react-next-16/app/providers.tsx`	Both provider files replace the `isServer` import with `environmentManager`, and update `getQueryClient()` to call `environmentManager.isServer()` instead of checking the imported boolean. Server-side client creation and browser-side client reuse logic remain unchanged.
Suspense Streaming Example Page Update `examples/react/nextjs-suspense-streaming/src/app/page.tsx`	The example page's `getBaseURL()` utility is updated to branch on `environmentManager.isServer()` instead of the prior `isServer` import, following the same refactoring pattern as the provider modules.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~8 minutes

Possibly related issues

fix(vue-query): replace deprecated isServer with environmentManager.isServer() #10821: Replaces deprecated isServer import with environmentManager.isServer() across TanStack Query packages; same migration effort.

Possibly related PRs

TanStack/query#10826: Performs the same migration from isServer to environmentManager.isServer() in related integration code.

Suggested reviewers

TkDodo

Poem

🐰 Hopped along the code, ears in tune,
Swapped an old check beneath the moon.
environmentManager now leads the way,
Three small files, one tidy day.
A carrot, a smile—deploy away! ✨

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly summarizes the main change: replacing deprecated 'isServer' with 'environmentManager.isServer()' in Next.js examples, which is the primary focus of the changeset.
Description check	✅ Passed	The description includes all required sections from the template: comprehensive explanation of changes, completed checklist items, and explicit release impact assessment indicating no changeset is needed.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing Touches

📝 Generate docstrings

Create stacked PR
Commit on current branch

🧪 Generate unit tests (beta)

Create PR with unit tests
Commit unit tests in branch fix/examples-integrations-environment-manager-isserver

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nx-cloud · 2026-06-02T00:58:23Z

View your CI Pipeline Execution ↗ for commit 5fe2829

Command	Status	Duration	Result
`nx affected --targets=test:sherif,test:knip,tes...`	✅ Succeeded	1m 38s	View ↗
`nx run-many --target=build --exclude=examples/*...`	✅ Succeeded	<1s	View ↗

☁️ Nx Cloud last updated this comment at 2026-06-02 02:29:30 UTC

github-actions · 2026-06-02T00:58:38Z

🚀 Changeset Version Preview

3 package(s) bumped directly, 22 bumped as dependents.

🟩 Patch bumps

Package	Version	Reason
`@tanstack/lit-query`	0.2.6 → 0.2.7	Changeset
`@tanstack/query-devtools`	5.100.14 → 5.100.15	Changeset
`@tanstack/vue-query`	5.100.14 → 5.100.15	Changeset
`@tanstack/angular-query-experimental`	5.100.14 → 5.100.15	Dependent
`@tanstack/angular-query-persist-client`	5.100.14 → 5.100.15	Dependent
`@tanstack/eslint-plugin-query`	5.100.14 → 5.100.15	Dependent
`@tanstack/preact-query`	5.100.14 → 5.100.15	Dependent
`@tanstack/preact-query-devtools`	5.100.14 → 5.100.15	Dependent
`@tanstack/preact-query-persist-client`	5.100.14 → 5.100.15	Dependent
`@tanstack/query-async-storage-persister`	5.100.14 → 5.100.15	Dependent
`@tanstack/query-broadcast-client-experimental`	5.100.14 → 5.100.15	Dependent
`@tanstack/query-core`	5.100.14 → 5.100.15	Dependent
`@tanstack/query-persist-client-core`	5.100.14 → 5.100.15	Dependent
`@tanstack/query-sync-storage-persister`	5.100.14 → 5.100.15	Dependent
`@tanstack/react-query`	5.100.14 → 5.100.15	Dependent
`@tanstack/react-query-devtools`	5.100.14 → 5.100.15	Dependent
`@tanstack/react-query-next-experimental`	5.100.14 → 5.100.15	Dependent
`@tanstack/react-query-persist-client`	5.100.14 → 5.100.15	Dependent
`@tanstack/solid-query`	5.100.14 → 5.100.15	Dependent
`@tanstack/solid-query-devtools`	5.100.14 → 5.100.15	Dependent
`@tanstack/solid-query-persist-client`	5.100.14 → 5.100.15	Dependent
`@tanstack/svelte-query`	6.1.33 → 6.1.34	Dependent
`@tanstack/svelte-query-devtools`	6.1.33 → 6.1.34	Dependent
`@tanstack/svelte-query-persist-client`	6.1.33 → 6.1.34	Dependent
`@tanstack/vue-query-devtools`	6.1.33 → 6.1.34	Dependent

pkg-pr-new · 2026-06-02T01:01:27Z

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commit: 5fe2829

github-actions · 2026-06-02T01:01:42Z

size-limit report 📦

Path	Size
react full	12.11 KB (0%)
react minimal	9.08 KB (0%)

…r-isserver

fix(examples/integrations): replace deprecated 'isServer' with 'envir…

9a43bcf

…onmentManager.isServer()' in the Next.js examples

sukvvon self-assigned this Jun 2, 2026

sukvvon mentioned this pull request Jun 2, 2026

refactor(examples/nextjs-suspense-streaming): drop unnecessary 'as string' cast #10859

Merged

4 tasks

Merge branch 'main' into fix/examples-integrations-environment-manage…

5fe2829

…r-isserver

sukvvon merged commit 0bc0a88 into main Jun 2, 2026
9 checks passed

sukvvon deleted the fix/examples-integrations-environment-manager-isserver branch June 2, 2026 07:17

spiderocious mentioned this pull request Jun 2, 2026

fix(examples): replace deprecated 'isServer' with 'environmentManager.isServer()' in remaining Next.js examples #10860

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fix(examples/integrations): replace deprecated 'isServer' with 'environmentManager.isServer()' in the Next.js examples#10858

fix(examples/integrations): replace deprecated 'isServer' with 'environmentManager.isServer()' in the Next.js examples#10858
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fix/examples-integrations-environment-manager-isserver

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