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Is webpack-hot-middleware ESM-only? Can you require() it?

Webpack hot reloading you can attach to your own server

Last verified Sep 9, 2026 against webpack-hot-middleware@2.26.1. JSON

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

webpack-hot-middleware ships CommonJS only. require("webpack-hot-middleware") works everywhere. import "webpack-hot-middleware" 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
2.26.1 (Feb 1, 2024)
Module format
CommonJS
Last CommonJS version
2.26.1
TypeScript types
@types/webpack-hot-middleware
Node engines
not declared
Weekly downloads
5.6M
License
MIT

Does webpack-hot-middleware@2.26.1 actually load? Runtime test results

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

Runtimerequire("webpack-hot-middleware")import "webpack-hot-middleware"
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 webpack-hot-middleware

ES modules (import)

import webpackHotMiddleware from "webpack-hot-middleware";

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 webpackHotMiddleware = require("webpack-hot-middleware");

Module format by version

Derived from the type, main and exports fields of every stable release on npm (66 versions; the newest 60 shown).

VersionsFormatFirst published
2.1.0 – 2.26.1CommonJSSep 15, 2015

Frequently asked

Is webpack-hot-middleware ESM-only?

webpack-hot-middleware@2.26.1 is a CommonJS package. webpack-hot-middleware ships CommonJS only. require("webpack-hot-middleware") works everywhere. import "webpack-hot-middleware" 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 webpack-hot-middleware with ES module syntax?

Yes. import webpackHotMiddleware from "webpack-hot-middleware" 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 webpack-hot-middleware work in Bun?

Yes. import "webpack-hot-middleware" loaded successfully in Bun 1.4 on Sep 9, 2026.

Does webpack-hot-middleware ship TypeScript types?

Not bundled. Install the community types with "npm install -D @types/webpack-hot-middleware".

Links

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