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

Like ruby's abbrev module, but in js

Last verified Sep 9, 2026 against abbrev@5.0.0. Markdown · JSON

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

abbrev ships CommonJS only. require("abbrev") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js ^22.22.2 || ^24.15.0 || >=26.0.0. import "abbrev" 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("abbrev") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js ^22.22.2 || ^24.15.0 || >=26.0.0.
  2. From ES modules use the default import: import abbrev from "abbrev"; then destructure. Named imports only work when Node.js can statically detect the exports.
  3. TypeScript: npm install -D @types/abbrev
Latest
5.0.0 (May 8, 2026)
Module format
CommonJS
Last CommonJS version
5.0.0
TypeScript types
@types/abbrev
Node engines
^22.22.2 || ^24.15.0 || >=26.0.0
Weekly downloads
47.9M
License
ISC

Does abbrev@5.0.0 actually load? Runtime test results

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

Runtimerequire("abbrev")import "abbrev"
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 abbrev

ES modules (import)

import abbrev from "abbrev";

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 abbrev = require("abbrev");

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 (13 versions; the newest 13 shown).

VersionsFormatFirst published
1.0.3 – 5.0.0CommonJSMar 21, 2011

Frequently asked

Is abbrev ESM-only?

abbrev@5.0.0 is a CommonJS package. abbrev ships CommonJS only. require("abbrev") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js ^22.22.2 || ^24.15.0 || >=26.0.0. import "abbrev" 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 abbrev with ES module syntax?

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

Yes. import "abbrev" loaded successfully in Bun 1.4.0 on Sep 9, 2026.

Does abbrev ship TypeScript types?

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

Links

Other commonjs packages

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