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Is gulp-autoprefixer ESM-only? Can you require() it?

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Last verified Sep 9, 2026 against gulp-autoprefixer@10.0.0. Markdown · JSON

ESM-only ESM-only since 9.0.0 — last CommonJS version is 8.0.0

gulp-autoprefixer dropped its CommonJS build in 9.0.0 (November 2023). The last version with a plain require()-able CommonJS entry is 8.0.0, published May 29, 2021; it declares support for Node.js >=12.

On Node.js 20.19+, 22.12+ and newer, require("gulp-autoprefixer") 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 gulp-autoprefixer@10.0.0 declares Node.js >=20, so 18 is outside its supported range anyway.

gulp-autoprefixer@10.0.0 declares engines ">=20", 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("gulp-autoprefixer") 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 gulpAutoprefixer = await import("gulp-autoprefixer"). That works on every Node.js version the package supports (>=20).
  3. If you need a synchronous require() or run Node.js 18: npm install gulp-autoprefixer@8.0.0, the last CommonJS release (published May 29, 2021); it declares Node.js >=12.
  4. gulp-autoprefixer@10.0.0 declares engines ">=20", so Node.js 18 is unsupported regardless: upgrade Node.js or pin an older release.
  5. TypeScript: types are bundled; install nothing extra.
Latest
10.0.0 (Sep 11, 2025)
Module format
ESM-only
Last CommonJS version
8.0.0
ESM-only since
9.0.0 (Nov 2, 2023)
TypeScript types
Bundled
Node engines
>=20
Weekly downloads
210K
License
MIT

Does gulp-autoprefixer@10.0.0 actually load? Runtime test results

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

Runtimerequire("gulp-autoprefixer")import "gulp-autoprefixer"
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 gulp-autoprefixer

ES modules (import)

import * as gulpAutoprefixer from "gulp-autoprefixer";

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 gulpAutoprefixer = require("gulp-autoprefixer");

// Any Node.js version the package supports (>=20), from an async function:
async function main() {
  const gulpAutoprefixer = await import("gulp-autoprefixer");
}

// Or pin the last CommonJS release (declares Node.js >=12):
// npm install gulp-autoprefixer@8.0.0

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 (32 versions; the newest 32 shown).

VersionsFormatFirst published
9.0.0 – 10.0.0ESM-onlyNov 2, 2023
0.0.1 – 8.0.0CommonJSDec 1, 2013

Frequently asked

Is gulp-autoprefixer ESM-only?

gulp-autoprefixer@10.0.0 is ESM-only. gulp-autoprefixer dropped its CommonJS build in 9.0.0 (November 2023). The last version with a plain require()-able CommonJS entry is 8.0.0, published May 29, 2021; it declares support for Node.js >=12.

Which version of gulp-autoprefixer still supports CommonJS / require()?

8.0.0 is the last version of gulp-autoprefixer with a CommonJS build; it declares Node.js >=12. Install it with "npm install gulp-autoprefixer@8.0.0". Every version from 9.0.0 on is ESM-only.

How do I use gulp-autoprefixer from a CommonJS file?

From a CommonJS file, use a dynamic import inside an async function: const gulpAutoprefixer = await import("gulp-autoprefixer"). That works on every Node.js version the package supports (>=20). On Node.js 20.19+, 22.12+ and newer, require("gulp-autoprefixer") works with the latest version: Node.js loads synchronous ES modules through require(). Verified on Node.js 20, 22, 24 and 26. Alternatively pin gulp-autoprefixer@8.0.0 (declares Node.js >=12).

Does gulp-autoprefixer work in Bun?

Yes. import "gulp-autoprefixer" loaded successfully in Bun 1.4.0 on Sep 9, 2026.

Does gulp-autoprefixer ship TypeScript types?

Yes. gulp-autoprefixer bundles its own type declarations; no @types package is needed.

Links

Other esm-only packages

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