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Is ember-cli ESM-only? Can you require() it?

Command line tool for developing ambitious ember.js apps

Last verified Sep 9, 2026 against ember-cli@7.2.0. JSON

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

ember-cli ships CommonJS only. require("ember-cli") works everywhere. import "ember-cli" 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.

Latest
7.2.0 (Aug 17, 2026)
Module format
CommonJS
Last CommonJS version
7.2.0
TypeScript types
None
Node engines
>= 20.19.0
Weekly downloads
217K
License
MIT

Does ember-cli@7.2.0 actually load? Runtime test results

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

Runtimerequire("ember-cli")import "ember-cli"
Node.js 18✗ failsERR_REQUIRE_ESM✗ failsERR_REQUIRE_ESM
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

A failing require() on a CommonJS package usually means the package needs a browser/DOM global, a peer dependency, or a native binary that is not available in a bare Node.js process.

How to import ember-cli

ES modules (import)

import emberCli from "ember-cli";

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 emberCli = require("ember-cli");

Module format by version

Derived from the type, main and exports fields of every stable release on npm (259 versions; the newest 60 shown).

VersionsFormatFirst published
4.6.0 – 7.2.0CommonJSJul 25, 2022

Frequently asked

Is ember-cli ESM-only?

ember-cli@7.2.0 is a CommonJS package. ember-cli ships CommonJS only. require("ember-cli") works everywhere. import "ember-cli" 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 ember-cli with ES module syntax?

Yes. import emberCli from "ember-cli" 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 ember-cli work in Bun?

Yes. import "ember-cli" loaded successfully in Bun 1.4 on Sep 9, 2026.

Does ember-cli ship TypeScript types?

No. ember-cli ships no type declarations and there is no @types package for it.

Links

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