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Is css-split-webpack-plugin ESM-only? Can you require() it?

Split your CSS for stupid browsers using [webpack] and [postcss].

Last verified Sep 9, 2026 against css-split-webpack-plugin@0.2.6. Markdown · JSON

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

css-split-webpack-plugin ships CommonJS only. require("css-split-webpack-plugin") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. import "css-split-webpack-plugin" 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("css-split-webpack-plugin") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun.
  2. From ES modules use the default import: import cssSplitWebpackPlugin from "css-split-webpack-plugin"; then destructure. Named imports only work when Node.js can statically detect the exports.
  3. TypeScript: no types are available for css-split-webpack-plugin; declare the module yourself if you need them.
Latest
0.2.6 (Sep 28, 2018)
Module format
CommonJS
Last CommonJS version
0.2.6
TypeScript types
None
Node engines
not declared
Weekly downloads
4K
License
CC0-1.0

Does css-split-webpack-plugin@0.2.6 actually load? Runtime test results

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

Runtimerequire("css-split-webpack-plugin")import "css-split-webpack-plugin"
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 css-split-webpack-plugin

ES modules (import)

import cssSplitWebpackPlugin from "css-split-webpack-plugin";

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 cssSplitWebpackPlugin = require("css-split-webpack-plugin");

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 (8 versions; the newest 8 shown).

VersionsFormatFirst published
0.1.0 – 0.2.6CommonJSApr 28, 2016

Frequently asked

Is css-split-webpack-plugin ESM-only?

css-split-webpack-plugin@0.2.6 is a CommonJS package. css-split-webpack-plugin ships CommonJS only. require("css-split-webpack-plugin") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. import "css-split-webpack-plugin" 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 css-split-webpack-plugin with ES module syntax?

Yes. import cssSplitWebpackPlugin from "css-split-webpack-plugin" 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 css-split-webpack-plugin work in Bun?

Yes. import "css-split-webpack-plugin" loaded successfully in Bun 1.4.0 on Sep 9, 2026.

Does css-split-webpack-plugin ship TypeScript types?

No. css-split-webpack-plugin ships no type declarations and there is no @types package for it.

Links

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