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Is range-parser ESM-only? Can you require() it?

Range header field string parser

Last verified Sep 9, 2026 against range-parser@1.3.0. JSON

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

range-parser ships CommonJS only. require("range-parser") works everywhere. import "range-parser" 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
1.3.0 (Jun 25, 2026)
Module format
CommonJS
Last CommonJS version
1.3.0
TypeScript types
@types/range-parser
Node engines
>= 0.6
Weekly downloads
89.5M
License
MIT

Does range-parser@1.3.0 actually load? Runtime test results

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

Runtimerequire("range-parser")import "range-parser"
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 range-parser

ES modules (import)

import rangeParser from "range-parser";

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 rangeParser = require("range-parser");

Module format by version

Derived from the type, main and exports fields of every stable release on npm (12 versions; the newest 12 shown).

VersionsFormatFirst published
0.0.1 – 1.3.0CommonJSJun 11, 2012

Frequently asked

Is range-parser ESM-only?

range-parser@1.3.0 is a CommonJS package. range-parser ships CommonJS only. require("range-parser") works everywhere. import "range-parser" 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 range-parser with ES module syntax?

Yes. import rangeParser from "range-parser" 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 range-parser work in Bun?

Yes. import "range-parser" loaded successfully in Bun 1.4 on Sep 9, 2026.

Does range-parser ship TypeScript types?

Not bundled. Install the community types with "npm install -D @types/range-parser".

Links

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