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

An incremental implementation of MurmurHash3

Last verified Sep 9, 2026 against imurmurhash@0.1.4. JSON

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

imurmurhash ships CommonJS only. require("imurmurhash") works everywhere. import "imurmurhash" 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
0.1.4 (Aug 24, 2013)
Module format
CommonJS
Last CommonJS version
0.1.4
TypeScript types
@types/imurmurhash
Node engines
>=0.8.19
Weekly downloads
106.3M
License
MIT

Does imurmurhash@0.1.4 actually load? Runtime test results

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

Runtimerequire("imurmurhash")import "imurmurhash"
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 imurmurhash

ES modules (import)

import imurmurhash from "imurmurhash";

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 imurmurhash = require("imurmurhash");

Module format by version

Derived from the type, main and exports fields of every stable release on npm (5 versions; the newest 5 shown).

VersionsFormatFirst published
0.0.1 – 0.1.4CommonJSJul 31, 2013

Frequently asked

Is imurmurhash ESM-only?

imurmurhash@0.1.4 is a CommonJS package. imurmurhash ships CommonJS only. require("imurmurhash") works everywhere. import "imurmurhash" 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 imurmurhash with ES module syntax?

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

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

Does imurmurhash ship TypeScript types?

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

Links

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