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Is mime-db ESM-only? Can you require() it?

Media Type Database

Last verified Sep 9, 2026 against mime-db@1.54.0. JSON

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

mime-db ships CommonJS only. require("mime-db") works everywhere. import "mime-db" 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
1.54.0 (Mar 18, 2025)
Module format
CommonJS
Last CommonJS version
1.54.0
TypeScript types
@types/mime-db
Node engines
>= 0.6
Weekly downloads
247.5M
License
MIT

Does mime-db@1.54.0 actually load? Runtime test results

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

Runtimerequire("mime-db")import "mime-db"
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 mime-db

ES modules (import)

import mimeDb from "mime-db";

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 mimeDb = require("mime-db");

Module format by version

Derived from the type, main and exports fields of every stable release on npm (64 versions; the newest 60 shown).

VersionsFormatFirst published
1.0.3 – 1.54.0CommonJSSep 25, 2014

Frequently asked

Is mime-db ESM-only?

mime-db@1.54.0 is a CommonJS package. mime-db ships CommonJS only. require("mime-db") works everywhere. import "mime-db" 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 mime-db with ES module syntax?

Yes. import mimeDb from "mime-db" 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 mime-db work in Bun?

Yes. import "mime-db" loaded successfully in Bun 1.4 on Sep 9, 2026.

Does mime-db ship TypeScript types?

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

Links

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