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canirequire › Dual (CommonJS + ESM) › kleur

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

The fastest Node.js library for formatting terminal text with ANSI colors~!

Last verified Sep 9, 2026 against kleur@4.1.5. JSON

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

kleur publishes both a CommonJS entry and a native ESM entry (ESM added in 4.0.0). require("kleur") and import "kleur" both work on every supported Node.js version and in Bun.

Latest
4.1.5 (Jun 26, 2022)
Module format
Dual (CommonJS + ESM)
Last CommonJS version
4.1.5
Native ESM since
4.0.0
TypeScript types
Bundled
Node engines
>=6
Weekly downloads
70.9M
License
MIT

Does kleur@4.1.5 actually load? Runtime test results

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

Runtimerequire("kleur")import "kleur"
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 kleur

ES modules (import)

import kleur from "kleur";

CommonJS (require)

const kleur = require("kleur");

Module format by version

Derived from the type, main and exports fields of every stable release on npm (21 versions; the newest 21 shown).

VersionsFormatFirst published
4.0.0 – 4.1.5Dual (CommonJS + ESM)Jun 17, 2020
0.0.0 – 3.0.3CommonJSJul 8, 2018

Frequently asked

Is kleur ESM-only?

kleur@4.1.5 ships CommonJS and ESM builds. kleur publishes both a CommonJS entry and a native ESM entry (ESM added in 4.0.0). require("kleur") and import "kleur" both work on every supported Node.js version and in Bun.

Can I require kleur?

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

Does kleur work in Bun?

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

Does kleur ship TypeScript types?

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

Links

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