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

HTTP response freshness testing

Last verified Sep 9, 2026 against fresh@0.5.2. JSON

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

fresh ships CommonJS only. require("fresh") works everywhere. import "fresh" 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
0.5.2 (Sep 14, 2017)
Module format
CommonJS
Last CommonJS version
0.5.2
TypeScript types
@types/fresh
Node engines
>= 0.6
Weekly downloads
123.1M
License
MIT

Does fresh@0.5.2 actually load? Runtime test results

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

Runtimerequire("fresh")import "fresh"
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 fresh

ES modules (import)

import fresh from "fresh";

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 fresh = require("fresh");

Module format by version

Derived from the type, main and exports fields of every stable release on npm (14 versions; the newest 14 shown).

VersionsFormatFirst published
0.0.1 – 2.0.0CommonJSJun 10, 2012

Frequently asked

Is fresh ESM-only?

fresh@0.5.2 is a CommonJS package. fresh ships CommonJS only. require("fresh") works everywhere. import "fresh" 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 fresh with ES module syntax?

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

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

Does fresh ship TypeScript types?

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

Links

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