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Is eslint-friendly-formatter ESM-only? Can you require() it?

simple formatter/reporter for eslint that's friendly with Sublime Text and iterm2 'click to open file' functionality

Last verified Sep 9, 2026 against eslint-friendly-formatter@4.0.1. Markdown · JSON

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

eslint-friendly-formatter ships CommonJS only. require("eslint-friendly-formatter") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >=0.10.0. import "eslint-friendly-formatter" 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("eslint-friendly-formatter") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >=0.10.0.
  2. From ES modules use the default import: import eslintFriendlyFormatter from "eslint-friendly-formatter"; then destructure. Named imports only work when Node.js can statically detect the exports.
  3. TypeScript: no types are available for eslint-friendly-formatter; declare the module yourself if you need them.
Latest
4.0.1 (Apr 9, 2018)
Module format
CommonJS
Last CommonJS version
4.0.1
TypeScript types
None
Node engines
>=0.10.0
Weekly downloads
87K
License
MIT

Does eslint-friendly-formatter@4.0.1 actually load? Runtime test results

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

Runtimerequire("eslint-friendly-formatter")import "eslint-friendly-formatter"
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 eslint-friendly-formatter

ES modules (import)

import eslintFriendlyFormatter from "eslint-friendly-formatter";

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 eslintFriendlyFormatter = require("eslint-friendly-formatter");

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 (24 versions; the newest 24 shown).

VersionsFormatFirst published
1.0.0 – 4.0.1CommonJSMar 3, 2015

Frequently asked

Is eslint-friendly-formatter ESM-only?

eslint-friendly-formatter@4.0.1 is a CommonJS package. eslint-friendly-formatter ships CommonJS only. require("eslint-friendly-formatter") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >=0.10.0. import "eslint-friendly-formatter" 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 eslint-friendly-formatter with ES module syntax?

Yes. import eslintFriendlyFormatter from "eslint-friendly-formatter" 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 eslint-friendly-formatter work in Bun?

Yes. import "eslint-friendly-formatter" loaded successfully in Bun 1.4.0 on Sep 9, 2026.

Does eslint-friendly-formatter ship TypeScript types?

No. eslint-friendly-formatter ships no type declarations and there is no @types package for it.

Links

Other commonjs packages

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