canirequire › Dual (CommonJS + ESM) › stylus-loader
Is stylus-loader ESM-only? Can you require() it?
Stylus loader for webpack
Last verified Sep 9, 2026 against stylus-loader@9.0.0. JSON
Dual (CommonJS + ESM) Dual package — both require() and import work
stylus-loader publishes both a CommonJS entry and a native ESM entry (ESM added in 9.0.0). require("stylus-loader") and import "stylus-loader" both work on every supported Node.js version and in Bun.
Does stylus-loader@9.0.0 actually load? Runtime test results
Installed and executed on Sep 9, 2026 with require("stylus-loader") from a CommonJS file and import "stylus-loader" from an ES module.
| Runtime | require("stylus-loader") | import "stylus-loader" |
|---|---|---|
| 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 stylus-loader
ES modules (import)
import stylusLoader from "stylus-loader";CommonJS (require)
const stylusLoader = require("stylus-loader");Module format by version
Derived from the type, main and exports fields of every stable release on npm (60 versions; the newest 60 shown).
| Versions | Format | First published |
|---|---|---|
| 9.0.0 | Dual (CommonJS + ESM) | May 25, 2026 |
| 0.1.0 – 8.1.3 | CommonJS | Nov 5, 2013 |
Frequently asked
Is stylus-loader ESM-only?
stylus-loader@9.0.0 ships CommonJS and ESM builds. stylus-loader publishes both a CommonJS entry and a native ESM entry (ESM added in 9.0.0). require("stylus-loader") and import "stylus-loader" both work on every supported Node.js version and in Bun.
Can I require stylus-loader?
Yes. stylus-loader ships a CommonJS entry, so require("stylus-loader") works on every Node.js version, alongside the native ESM entry for import.
Does stylus-loader work in Bun?
Yes. import "stylus-loader" loaded successfully in Bun 1.4 on Sep 9, 2026.
Does stylus-loader ship TypeScript types?
Yes. stylus-loader bundles its own type declarations; no @types package is needed.
Links
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