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Is is-extglob ESM-only? Can you require() it?

Returns true if a string has an extglob.

Last verified Sep 9, 2026 against is-extglob@2.1.1. JSON

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

is-extglob ships CommonJS only. require("is-extglob") works everywhere. import "is-extglob" 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
2.1.1 (Dec 11, 2016)
Module format
CommonJS
Last CommonJS version
2.1.1
TypeScript types
@types/is-extglob
Node engines
>=0.10.0
Weekly downloads
159.3M
License
MIT

Does is-extglob@2.1.1 actually load? Runtime test results

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

Runtimerequire("is-extglob")import "is-extglob"
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 is-extglob

ES modules (import)

import isExtglob from "is-extglob";

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 isExtglob = require("is-extglob");

Module format by version

Derived from the type, main and exports fields of every stable release on npm (4 versions; the newest 4 shown).

VersionsFormatFirst published
1.0.0 – 2.1.1CommonJSMar 6, 2015

Frequently asked

Is is-extglob ESM-only?

is-extglob@2.1.1 is a CommonJS package. is-extglob ships CommonJS only. require("is-extglob") works everywhere. import "is-extglob" 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 is-extglob with ES module syntax?

Yes. import isExtglob from "is-extglob" 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 is-extglob work in Bun?

Yes. import "is-extglob" loaded successfully in Bun 1.4 on Sep 9, 2026.

Does is-extglob ship TypeScript types?

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

Links

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