canirequire › CommonJS › moment
Is moment ESM-only? Can you require() it?
Parse, validate, manipulate, and display dates
Last verified Sep 9, 2026 against moment@2.30.1. JSON
CommonJS CommonJS — require() works on every Node.js version
moment ships CommonJS only. require("moment") works everywhere. import "moment" 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.
Does moment@2.30.1 actually load? Runtime test results
Installed and executed on Sep 9, 2026 with require("moment") from a CommonJS file and import "moment" from an ES module.
| Runtime | require("moment") | import "moment" |
|---|---|---|
| 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 moment
ES modules (import)
import moment from "moment";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 moment = require("moment");Module format by version
Derived from the type, main and exports fields of every stable release on npm (76 versions; the newest 60 shown).
| Versions | Format | First published |
|---|---|---|
| 2.1.0 – 2.30.1 | CommonJS | Jul 7, 2013 |
Frequently asked
Is moment ESM-only?
moment@2.30.1 is a CommonJS package. moment ships CommonJS only. require("moment") works everywhere. import "moment" 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 moment with ES module syntax?
Yes. import moment from "moment" 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 moment work in Bun?
Yes. import "moment" loaded successfully in Bun 1.4 on Sep 9, 2026.
Does moment ship TypeScript types?
Yes. moment bundles its own type declarations; no @types package is needed.
Links
Other commonjs packages
- debug 4.4.3CommonJS
- semver 7.8.5CommonJS
- ms 2.1.3CommonJS
- picomatch 4.0.7CommonJS
- ajv 8.20.0CommonJS
- source-map 0.8.0CommonJS
- react-is 19.2.8CommonJS
- readable-stream 4.7.0CommonJS
Similar popularity
- husky 9.1.7ESM-only
- clean-stack 6.0.0ESM-only
- eslint-import-resolver-typescript 4.4.5Dual
- @smithy/util-uri-escape 4.5.2CommonJS
- ts-interface-checker 1.0.2CommonJS
- array-union 3.0.1ESM-only
- co 4.6.0CommonJS
- enquirer 2.4.1CommonJS