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Is redux-thunk ESM-only? Can you require() it?

Thunk middleware for Redux.

Last verified Sep 9, 2026 against redux-thunk@3.1.0. Markdown · JSON

Dual (CommonJS + ESM) Dual package — require() works on every Node.js version we test; import works too

redux-thunk publishes both a CommonJS entry and a native ESM entry (ESM added in 3.0.0). require("redux-thunk") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. import "redux-thunk" works alongside it.

What to do

  1. Nothing to change. require("redux-thunk") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. import * as reduxThunk from "redux-thunk" works alongside it; use named imports for what the ESM entry exports.
  2. TypeScript: types are bundled; install nothing extra.
Latest
3.1.0 (Dec 4, 2023)
Module format
Dual (CommonJS + ESM)
Last CommonJS version
3.1.0
Native ESM since
3.0.0
TypeScript types
Bundled
Node engines
not declared
Weekly downloads
22.0M
License
MIT

Does redux-thunk@3.1.0 actually load? Runtime test results

Installed and executed on Sep 9, 2026 with require("redux-thunk") from a CommonJS file and import "redux-thunk" from an ES module.

Runtimerequire("redux-thunk")import "redux-thunk"
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 1.4.0✓ works✓ works

How to import redux-thunk

ES modules (import)

import * as reduxThunk from "redux-thunk";

Namespace import shown because the ESM entry may have no default export; use named imports for what it exports.

CommonJS (require)

const reduxThunk = require("redux-thunk");

Module format by version

Derived from the type, main and exports fields of every stable release on npm, corrected where a runtime test of that version contradicted them (17 versions; the newest 17 shown).

VersionsFormatFirst published
3.0.0 – 3.1.0Dual (CommonJS + ESM)Dec 4, 2023
0.1.0 – 2.4.2CommonJSJul 13, 2015

Frequently asked

Is redux-thunk ESM-only?

redux-thunk@3.1.0 ships CommonJS and ESM builds. redux-thunk publishes both a CommonJS entry and a native ESM entry (ESM added in 3.0.0). require("redux-thunk") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. import "redux-thunk" works alongside it.

Can I require redux-thunk?

Yes. redux-thunk ships a CommonJS entry alongside the native ESM entry. require("redux-thunk") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun.

Does redux-thunk work in Bun?

Yes. import "redux-thunk" loaded successfully in Bun 1.4.0 on Sep 9, 2026.

Does redux-thunk ship TypeScript types?

Yes. redux-thunk bundles its own type declarations; no @types package is needed.

Links

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