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canirequire › Dual (CommonJS + ESM) › @adobe/css-tools

Is @adobe/css-tools ESM-only? Can you require() it?

A modern CSS parser and stringifier with TypeScript support

Last verified Sep 9, 2026 against @adobe/css-tools@4.5.0. JSON

Dual (CommonJS + ESM) Dual package — both require() and import work

@adobe/css-tools publishes both a CommonJS entry and a native ESM entry (ESM added in 4.1.0). require("@adobe/css-tools") and import "@adobe/css-tools" both work on every supported Node.js version and in Bun.

Latest
4.5.0 (May 21, 2026)
Module format
Dual (CommonJS + ESM)
Last CommonJS version
4.5.0
Native ESM since
4.1.0
TypeScript types
Bundled
Node engines
not declared
Weekly downloads
39.3M
License
MIT

Does @adobe/css-tools@4.5.0 actually load? Runtime test results

Installed and executed on Sep 9, 2026 with require("@adobe/css-tools") from a CommonJS file and import "@adobe/css-tools" from an ES module.

Runtimerequire("@adobe/css-tools")import "@adobe/css-tools"
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 @adobe/css-tools

ES modules (import)

import cssTools from "@adobe/css-tools";

CommonJS (require)

const cssTools = require("@adobe/css-tools");

Module format by version

Derived from the type, main and exports fields of every stable release on npm (15 versions; the newest 15 shown).

VersionsFormatFirst published
4.1.0 – 4.5.0Dual (CommonJS + ESM)Jan 25, 2023
4.0.0 – 4.0.2CommonJSJul 14, 2022

Frequently asked

Is @adobe/css-tools ESM-only?

@adobe/css-tools@4.5.0 ships CommonJS and ESM builds. @adobe/css-tools publishes both a CommonJS entry and a native ESM entry (ESM added in 4.1.0). require("@adobe/css-tools") and import "@adobe/css-tools" both work on every supported Node.js version and in Bun.

Can I require @adobe/css-tools?

Yes. @adobe/css-tools ships a CommonJS entry, so require("@adobe/css-tools") works on every Node.js version, alongside the native ESM entry for import.

Does @adobe/css-tools work in Bun?

Yes. import "@adobe/css-tools" loaded successfully in Bun 1.4 on Sep 9, 2026.

Does @adobe/css-tools ship TypeScript types?

Yes. @adobe/css-tools bundles its own type declarations; no @types package is needed.

Links

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