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

Formats your JavaScript using prettier followed by eslint --fix

Last verified Sep 9, 2026 against prettier-eslint@17.1.2. Markdown · JSON

ESM-only ESM-only since 17.1.0 — last CommonJS version is 17.0.1

prettier-eslint dropped its CommonJS build in 17.1.0 (June 2026). The last version with a plain require()-able CommonJS entry is 17.0.1, published Jun 14, 2026; it declares support for Node.js ^20.19.0 || ^22.13.0 || >=24.

On Node.js 20.19+, 22.12+ and newer, require("prettier-eslint") works with the latest version: Node.js loads synchronous ES modules through require(). Verified on Node.js 20, 22, 24 and 26. Node.js 18 has no require(esm), and prettier-eslint@17.1.2 declares Node.js ^20.19.0 || ^22.13.0 || >=24, so 18 is outside its supported range anyway.

prettier-eslint@17.1.2 declares engines "^20.19.0 || ^22.13.0 || >=24", so Node.js 18 is outside its supported range regardless of module format.

What to do

  1. On Node.js 20.19+, 22.12+ and newer, require("prettier-eslint") works with the latest version: Node.js loads synchronous ES modules through require(). Verified on Node.js 20, 22, 24 and 26.
  2. From a CommonJS file, use a dynamic import inside an async function: const prettierEslint = await import("prettier-eslint"). That works on every Node.js version the package supports (^20.19.0 || ^22.13.0 || >=24).
  3. If you need a synchronous require(): npm install prettier-eslint@17.0.1, the last CommonJS release (published Jun 14, 2026); it declares Node.js ^20.19.0 || ^22.13.0 || >=24.
  4. prettier-eslint@17.1.2 declares engines "^20.19.0 || ^22.13.0 || >=24", so Node.js 18 is unsupported regardless: upgrade Node.js or pin an older release.
  5. TypeScript: types are bundled; install nothing extra.
Latest
17.1.2 (Aug 20, 2026)
Module format
ESM-only
Last CommonJS version
17.0.1
ESM-only since
17.1.0 (Jun 15, 2026)
TypeScript types
Bundled
Node engines
^20.19.0 || ^22.13.0 || >=24
Weekly downloads
779K
License
MIT

Does prettier-eslint@17.1.2 actually load? Runtime test results

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

Runtimerequire("prettier-eslint")import "prettier-eslint"
Node.js 18✗ failsERR_REQUIRE_ESM✓ 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 prettier-eslint

ES modules (import)

import * as prettierEslint from "prettier-eslint";

Namespace import shown because the ESM entry may have no default export; use named imports for what it exports.

CommonJS (require)

// Node.js 20.19+, 22.12+ and newer (verified):
const prettierEslint = require("prettier-eslint");

// Any Node.js version the package supports (^20.19.0 || ^22.13.0 || >=24), from an async function:
async function main() {
  const prettierEslint = await import("prettier-eslint");
}

// Or pin the last CommonJS release (declares Node.js ^20.19.0 || ^22.13.0 || >=24):
// npm install prettier-eslint@17.0.1

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 (113 versions; the newest 60 shown).

VersionsFormatFirst published
17.1.0 – 17.1.2ESM-onlyJun 15, 2026
7.1.0 – 17.0.1CommonJSAug 31, 2017

Frequently asked

Is prettier-eslint ESM-only?

prettier-eslint@17.1.2 is ESM-only. prettier-eslint dropped its CommonJS build in 17.1.0 (June 2026). The last version with a plain require()-able CommonJS entry is 17.0.1, published Jun 14, 2026; it declares support for Node.js ^20.19.0 || ^22.13.0 || >=24.

Which version of prettier-eslint still supports CommonJS / require()?

17.0.1 is the last version of prettier-eslint with a CommonJS build; it declares Node.js ^20.19.0 || ^22.13.0 || >=24. Install it with "npm install prettier-eslint@17.0.1". Every version from 17.1.0 on is ESM-only.

How do I use prettier-eslint from a CommonJS file?

From a CommonJS file, use a dynamic import inside an async function: const prettierEslint = await import("prettier-eslint"). That works on every Node.js version the package supports (^20.19.0 || ^22.13.0 || >=24). On Node.js 20.19+, 22.12+ and newer, require("prettier-eslint") works with the latest version: Node.js loads synchronous ES modules through require(). Verified on Node.js 20, 22, 24 and 26. Alternatively pin prettier-eslint@17.0.1 (declares Node.js ^20.19.0 || ^22.13.0 || >=24).

Does prettier-eslint work in Bun?

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

Does prettier-eslint ship TypeScript types?

Yes. prettier-eslint bundles its own type declarations; no @types package is needed.

Links

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