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canirequire › Dual (CommonJS + ESM) › keyv

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

Simple key-value storage with support for multiple backends

Last verified Sep 9, 2026 against keyv@5.6.0. JSON

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

keyv publishes both a CommonJS entry and a native ESM entry (ESM added in 5.0.0). require("keyv") and import "keyv" both work on every supported Node.js version and in Bun.

Latest
5.6.0 (Jan 21, 2026)
Module format
Dual (CommonJS + ESM)
Last CommonJS version
5.6.0
Native ESM since
5.0.0
TypeScript types
Bundled
Node engines
not declared
Weekly downloads
142.0M
License
MIT

Does keyv@5.6.0 actually load? Runtime test results

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

Runtimerequire("keyv")import "keyv"
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 keyv

ES modules (import)

import keyv from "keyv";

CommonJS (require)

const keyv = require("keyv");

Module format by version

Derived from the type, main and exports fields of every stable release on npm (77 versions; the newest 60 shown).

VersionsFormatFirst published
5.0.0 – 5.6.0Dual (CommonJS + ESM)Aug 20, 2024
1.0.3 – 4.5.4CommonJSAug 3, 2017

Frequently asked

Is keyv ESM-only?

keyv@5.6.0 ships CommonJS and ESM builds. keyv publishes both a CommonJS entry and a native ESM entry (ESM added in 5.0.0). require("keyv") and import "keyv" both work on every supported Node.js version and in Bun.

Can I require keyv?

Yes. keyv ships a CommonJS entry, so require("keyv") works on every Node.js version, alongside the native ESM entry for import.

Does keyv work in Bun?

Yes. import "keyv" loaded successfully in Bun 1.4 on Sep 9, 2026.

Does keyv ship TypeScript types?

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

Links

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