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Is merge-descriptors ESM-only? Can you require() it?

Merge objects using their property descriptors

Last verified Sep 9, 2026 against merge-descriptors@2.0.0. JSON

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

merge-descriptors ships CommonJS only. require("merge-descriptors") works everywhere. import "merge-descriptors" 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
2.0.0 (Nov 16, 2023)
Module format
CommonJS
Last CommonJS version
2.0.0
TypeScript types
Bundled
Node engines
>=18
Weekly downloads
113.0M
License
MIT

Does merge-descriptors@2.0.0 actually load? Runtime test results

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

Runtimerequire("merge-descriptors")import "merge-descriptors"
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 merge-descriptors

ES modules (import)

import mergeDescriptors from "merge-descriptors";

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 mergeDescriptors = require("merge-descriptors");

Module format by version

Derived from the type, main and exports fields of every stable release on npm (7 versions; the newest 7 shown).

VersionsFormatFirst published
0.0.1 – 2.0.0CommonJSOct 29, 2013

Frequently asked

Is merge-descriptors ESM-only?

merge-descriptors@2.0.0 is a CommonJS package. merge-descriptors ships CommonJS only. require("merge-descriptors") works everywhere. import "merge-descriptors" 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 merge-descriptors with ES module syntax?

Yes. import mergeDescriptors from "merge-descriptors" 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 merge-descriptors work in Bun?

Yes. import "merge-descriptors" loaded successfully in Bun 1.4 on Sep 9, 2026.

Does merge-descriptors ship TypeScript types?

Yes. merge-descriptors bundles its own type declarations; no @types package is needed.

Links

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