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

Parsing the JavaScript's RegExp in JavaScript.

Last verified Sep 9, 2026 against regjsparser@0.13.2. JSON

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

regjsparser ships CommonJS only. require("regjsparser") works everywhere. import "regjsparser" 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
0.13.2 (Jun 13, 2026)
Module format
CommonJS
Last CommonJS version
0.13.2
TypeScript types
Bundled
Node engines
not declared
Weekly downloads
37.6M
License
BSD-2-Clause

Does regjsparser@0.13.2 actually load? Runtime test results

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

Runtimerequire("regjsparser")import "regjsparser"
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 regjsparser

ES modules (import)

import regjsparser from "regjsparser";

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 regjsparser = require("regjsparser");

Module format by version

Derived from the type, main and exports fields of every stable release on npm (40 versions; the newest 40 shown).

VersionsFormatFirst published
0.0.1 – 0.13.2CommonJSNov 3, 2013

Frequently asked

Is regjsparser ESM-only?

regjsparser@0.13.2 is a CommonJS package. regjsparser ships CommonJS only. require("regjsparser") works everywhere. import "regjsparser" 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 regjsparser with ES module syntax?

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

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

Does regjsparser ship TypeScript types?

Yes. regjsparser bundles its own type declarations; no @types package is needed.

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