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canirequire › Dual (CommonJS + ESM) › @tanstack/query-core

Is @tanstack/query-core ESM-only? Can you require() it?

The framework agnostic core that powers TanStack Query

Last verified Sep 9, 2026 against @tanstack/query-core@5.102.8. JSON

Dual (CommonJS + ESM) Dual package — both require() and import work

@tanstack/query-core publishes both a CommonJS entry and a native ESM entry (ESM added in 4.3.0). require("@tanstack/query-core") and import "@tanstack/query-core" both work on every supported Node.js version and in Bun.

Latest
5.102.8 (Aug 27, 2026)
Module format
Dual (CommonJS + ESM)
Last CommonJS version
5.102.8
Native ESM since
4.3.0
TypeScript types
Bundled
Node engines
not declared
License
MIT

Does @tanstack/query-core@5.102.8 actually load? Runtime test results

Installed and executed on Sep 9, 2026 with require("@tanstack/query-core") from a CommonJS file and import "@tanstack/query-core" from an ES module.

Runtimerequire("@tanstack/query-core")import "@tanstack/query-core"
Node.js 18✓ works✓ works
Node.js 20✓ works✓ works
Node.js 22✓ works✓ works
Node.js 24✓ works✓ works
Node.js 26✓ works✓ works
Bun 1.4✓ works✓ works

How to import @tanstack/query-core

ES modules (import)

import queryCore from "@tanstack/query-core";

CommonJS (require)

const queryCore = require("@tanstack/query-core");

Module format by version

Derived from the type, main and exports fields of every stable release on npm (359 versions; the newest 60 shown).

VersionsFormatFirst published
5.90.5 – 5.102.8Dual (CommonJS + ESM)Oct 16, 2025

Frequently asked

Is @tanstack/query-core ESM-only?

@tanstack/query-core@5.102.8 ships CommonJS and ESM builds. @tanstack/query-core publishes both a CommonJS entry and a native ESM entry (ESM added in 4.3.0). require("@tanstack/query-core") and import "@tanstack/query-core" both work on every supported Node.js version and in Bun.

Can I require @tanstack/query-core?

Yes. @tanstack/query-core ships a CommonJS entry, so require("@tanstack/query-core") works on every Node.js version, alongside the native ESM entry for import.

Does @tanstack/query-core work in Bun?

Yes. import "@tanstack/query-core" loaded successfully in Bun 1.4 on Sep 9, 2026.

Does @tanstack/query-core ship TypeScript types?

Yes. @tanstack/query-core bundles its own type declarations; no @types package is needed.

Links

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