canirequire › Dual (CommonJS + ESM) › sass-loader
Is sass-loader ESM-only? Can you require() it?
Sass loader for webpack
Last verified Sep 9, 2026 against sass-loader@17.0.1. JSON
Dual (CommonJS + ESM) Dual package — both require() and import work
sass-loader publishes both a CommonJS entry and a native ESM entry (ESM added in 17.0.0). require("sass-loader") and import "sass-loader" both work on every supported Node.js version and in Bun.
Does sass-loader@17.0.1 actually load? Runtime test results
Installed and executed on Sep 9, 2026 with require("sass-loader") from a CommonJS file and import "sass-loader" from an ES module.
| Runtime | require("sass-loader") | import "sass-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 sass-loader
ES modules (import)
import sassLoader from "sass-loader";CommonJS (require)
const sassLoader = require("sass-loader");Module format by version
Derived from the type, main and exports fields of every stable release on npm (113 versions; the newest 60 shown).
| Versions | Format | First published |
|---|---|---|
| 17.0.0 – 17.0.1 | Dual (CommonJS + ESM) | May 19, 2026 |
| 9.0.0 – 16.0.8 | CommonJS | Jul 2, 2020 |
Frequently asked
Is sass-loader ESM-only?
sass-loader@17.0.1 ships CommonJS and ESM builds. sass-loader publishes both a CommonJS entry and a native ESM entry (ESM added in 17.0.0). require("sass-loader") and import "sass-loader" both work on every supported Node.js version and in Bun.
Can I require sass-loader?
Yes. sass-loader ships a CommonJS entry, so require("sass-loader") works on every Node.js version, alongside the native ESM entry for import.
Does sass-loader work in Bun?
Yes. import "sass-loader" loaded successfully in Bun 1.4 on Sep 9, 2026.
Does sass-loader ship TypeScript types?
Yes. sass-loader bundles its own type declarations; no @types package is needed.
Links
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