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Is serialize-javascript ESM-only? Can you require() it?

Serialize JavaScript to a superset of JSON that includes regular expressions and functions.

Last verified Sep 9, 2026 against serialize-javascript@7.1.1. JSON

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

serialize-javascript ships CommonJS only. require("serialize-javascript") works everywhere. import "serialize-javascript" 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
7.1.1 (Aug 29, 2026)
Module format
CommonJS
Last CommonJS version
7.1.1
TypeScript types
@types/serialize-javascript
Node engines
>=20.0.0
Weekly downloads
43.6M
License
BSD-3-Clause

Does serialize-javascript@7.1.1 actually load? Runtime test results

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

Runtimerequire("serialize-javascript")import "serialize-javascript"
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 serialize-javascript

ES modules (import)

import serializeJavascript from "serialize-javascript";

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 serializeJavascript = require("serialize-javascript");

Module format by version

Derived from the type, main and exports fields of every stable release on npm (34 versions; the newest 34 shown).

VersionsFormatFirst published
1.0.0 – 7.1.1CommonJSSep 16, 2014

Frequently asked

Is serialize-javascript ESM-only?

serialize-javascript@7.1.1 is a CommonJS package. serialize-javascript ships CommonJS only. require("serialize-javascript") works everywhere. import "serialize-javascript" 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 serialize-javascript with ES module syntax?

Yes. import serializeJavascript from "serialize-javascript" 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 serialize-javascript work in Bun?

Yes. import "serialize-javascript" loaded successfully in Bun 1.4 on Sep 9, 2026.

Does serialize-javascript ship TypeScript types?

Not bundled. Install the community types with "npm install -D @types/serialize-javascript".

Links

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