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

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Last verified Sep 9, 2026 against luxon@3.7.2. Markdown · JSON

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

luxon publishes both a CommonJS entry and a native ESM entry (ESM added in 2.5.0). require("luxon") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >=12. import "luxon" works alongside it.

What to do

  1. Nothing to change. require("luxon") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >=12. import * as luxon from "luxon" works alongside it; use named imports for what the ESM entry exports.
  2. TypeScript: npm install -D @types/luxon
Latest
3.7.2 (Sep 5, 2025)
Module format
Dual (CommonJS + ESM)
Last CommonJS version
3.7.2
Native ESM since
2.5.0
TypeScript types
@types/luxon
Node engines
>=12
Weekly downloads
34.3M
License
MIT

Does luxon@3.7.2 actually load? Runtime test results

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

Runtimerequire("luxon")import "luxon"
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 luxon

ES modules (import)

import * as luxon from "luxon";

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

CommonJS (require)

const luxon = require("luxon");

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 (150 versions; the newest 60 shown).

VersionsFormatFirst published
2.5.0 – 3.7.2Dual (CommonJS + ESM)Jul 9, 2022
1.17.0 – 2.4.0CommonJSJul 11, 2019

Frequently asked

Is luxon ESM-only?

luxon@3.7.2 ships CommonJS and ESM builds. luxon publishes both a CommonJS entry and a native ESM entry (ESM added in 2.5.0). require("luxon") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >=12. import "luxon" works alongside it.

Can I require luxon?

Yes. luxon ships a CommonJS entry alongside the native ESM entry. require("luxon") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >=12.

Does luxon work in Bun?

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

Does luxon ship TypeScript types?

Not bundled. Install the community types with "npm install -D @types/luxon".

Links

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