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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. Markdown · JSON

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

fresh ships CommonJS only. require("fresh") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >= 0.6. 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.

What to do

  1. require("fresh") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >= 0.6.
  2. From ES modules use the default import: import fresh from "fresh"; then destructure. Named imports only work when Node.js can statically detect the exports.
  3. TypeScript: npm install -D @types/fresh
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 1.4.0✓ 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, corrected where a runtime test of that version contradicted them (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 on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >= 0.6. 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 1.4.0 on Sep 9, 2026.

Does fresh ship TypeScript types?

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

Links

Other commonjs packages

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