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

Callback wrapping utility

Last verified Sep 9, 2026 against wrappy@1.0.2. JSON

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

wrappy ships CommonJS only. require("wrappy") works everywhere. import "wrappy" 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
1.0.2 (May 17, 2016)
Module format
CommonJS
Last CommonJS version
1.0.2
TypeScript types
None
Node engines
not declared
Weekly downloads
106.2M
License
ISC

Does wrappy@1.0.2 actually load? Runtime test results

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

Runtimerequire("wrappy")import "wrappy"
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 wrappy

ES modules (import)

import wrappy from "wrappy";

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 wrappy = require("wrappy");

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
0.0.0 – 1.0.2CommonJSApr 22, 2021

Frequently asked

Is wrappy ESM-only?

wrappy@1.0.2 is a CommonJS package. wrappy ships CommonJS only. require("wrappy") works everywhere. import "wrappy" 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 wrappy with ES module syntax?

Yes. import wrappy from "wrappy" 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 wrappy work in Bun?

Yes. import "wrappy" loaded successfully in Bun 1.4 on Sep 9, 2026.

Does wrappy ship TypeScript types?

No. wrappy ships no type declarations and there is no @types package for it.

Links

Other commonjs packages

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