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

The Lodash method `_.merge` exported as a module.

Last verified Sep 9, 2026 against lodash.merge@4.6.2. JSON

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

lodash.merge ships CommonJS only. require("lodash.merge") works everywhere. import "lodash.merge" 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
4.6.2 (Jul 10, 2019)
Module format
CommonJS
Last CommonJS version
4.6.2
TypeScript types
@types/lodash.merge
Node engines
not declared
Weekly downloads
108.5M
License
MIT

Does lodash.merge@4.6.2 actually load? Runtime test results

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

Runtimerequire("lodash.merge")import "lodash.merge"
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 lodash.merge

ES modules (import)

import lodashMerge from "lodash.merge";

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 lodashMerge = require("lodash.merge");

Module format by version

Derived from the type, main and exports fields of every stable release on npm (37 versions; the newest 37 shown).

VersionsFormatFirst published
2.0.0 – 4.6.2CommonJSSep 23, 2013

Frequently asked

Is lodash.merge ESM-only?

lodash.merge@4.6.2 is a CommonJS package. lodash.merge ships CommonJS only. require("lodash.merge") works everywhere. import "lodash.merge" 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 lodash.merge with ES module syntax?

Yes. import lodashMerge from "lodash.merge" 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 lodash.merge work in Bun?

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

Does lodash.merge ship TypeScript types?

Not bundled. Install the community types with "npm install -D @types/lodash.merge".

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