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Is ioredis ESM-only? Can you require() it?

A robust, performance-focused and full-featured Redis client for Node.js.

Last verified Sep 9, 2026 against ioredis@6.0.0. Markdown · JSON

CommonJS CommonJS — require() works on every Node.js version we test

ioredis ships CommonJS only. require("ioredis") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >=20.0.0. import "ioredis" also works because Node.js and Bun can import CommonJS from ES modules, but only the default export is guaranteed; named imports depend on Node's static analysis of the module.

What to do

  1. require("ioredis") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >=20.0.0.
  2. From ES modules use the default import: import ioredis from "ioredis"; then destructure. Named imports only work when Node.js can statically detect the exports.
  3. TypeScript: types are bundled; install nothing extra.
Latest
6.0.0 (Jul 31, 2026)
Module format
CommonJS
Last CommonJS version
6.0.0
TypeScript types
Bundled
Node engines
>=20.0.0
Weekly downloads
25.0M
License
MIT

Does ioredis@6.0.0 actually load? Runtime test results

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

Runtimerequire("ioredis")import "ioredis"
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 ioredis

ES modules (import)

import ioredis from "ioredis";

Named imports from a CommonJS package only work when Node.js can statically detect them. If a named import fails, use the default import and destructure.

CommonJS (require)

const ioredis = require("ioredis");

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 (231 versions; the newest 60 shown).

VersionsFormatFirst published
4.26.0 – 6.0.0CommonJSApr 8, 2021

Frequently asked

Is ioredis ESM-only?

ioredis@6.0.0 is a CommonJS package. ioredis ships CommonJS only. require("ioredis") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >=20.0.0. import "ioredis" also works because Node.js and Bun can import CommonJS from ES modules, but only the default export is guaranteed; named imports depend on Node's static analysis of the module.

Can I import ioredis with ES module syntax?

Yes. import ioredis from "ioredis" works in Node.js and Bun because they support importing CommonJS modules. Named imports work only when Node.js can statically detect the exports.

Does ioredis work in Bun?

Yes. import "ioredis" loaded successfully in Bun 1.4.0 on Sep 9, 2026.

Does ioredis ship TypeScript types?

Yes. ioredis bundles its own type declarations; no @types package is needed.

Links

Other commonjs packages

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