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canirequire › CommonJS › is-number-object

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

Is this value a JS Number object? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

Last verified Sep 9, 2026 against is-number-object@1.1.1. JSON

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

is-number-object ships CommonJS only. require("is-number-object") works everywhere. import "is-number-object" 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
1.1.1 (Dec 16, 2024)
Module format
CommonJS
Last CommonJS version
1.1.1
TypeScript types
Bundled
Node engines
>= 0.4
Weekly downloads
61.3M
License
MIT

Does is-number-object@1.1.1 actually load? Runtime test results

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

Runtimerequire("is-number-object")import "is-number-object"
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-number-object

ES modules (import)

import isNumberObject from "is-number-object";

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 isNumberObject = require("is-number-object");

Module format by version

Derived from the type, main and exports fields of every stable release on npm (9 versions; the newest 9 shown).

VersionsFormatFirst published
1.0.0 – 1.1.1CommonJSJan 28, 2015

Frequently asked

Is is-number-object ESM-only?

is-number-object@1.1.1 is a CommonJS package. is-number-object ships CommonJS only. require("is-number-object") works everywhere. import "is-number-object" 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-number-object with ES module syntax?

Yes. import isNumberObject from "is-number-object" 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-number-object work in Bun?

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

Does is-number-object ship TypeScript types?

Yes. is-number-object bundles its own type declarations; no @types package is needed.

Links

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