canirequire › CommonJS › csstype
Is csstype ESM-only? Can you require() it?
Strict TypeScript and Flow types for style based on MDN data
Last verified Sep 9, 2026 against csstype@3.2.3. JSON
CommonJS CommonJS — require() works on every Node.js version
csstype ships CommonJS only. require("csstype") works everywhere. import "csstype" 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.
Does csstype@3.2.3 actually load? Runtime test results
Installed and executed on Sep 9, 2026 with require("csstype") from a CommonJS file and import "csstype" from an ES module.
| Runtime | require("csstype") | import "csstype" |
|---|---|---|
| Node.js 18 | ✗ failsMODULE_NOT_FOUND | ✗ failsERR_MODULE_NOT_FOUND |
| Node.js 20 | ✗ failsMODULE_NOT_FOUND | ✗ failsERR_MODULE_NOT_FOUND |
| Node.js 22 | ✗ failsMODULE_NOT_FOUND | ✗ failsERR_MODULE_NOT_FOUND |
| Node.js 24 | ✗ failsMODULE_NOT_FOUND | ✗ failsERR_MODULE_NOT_FOUND |
| Node.js 26 | ✗ failsMODULE_NOT_FOUND | ✗ failsERR_MODULE_NOT_FOUND |
| Bun 1.4 | ✗ failserror: Cannot find package 'csstype' from '/Users/boat/Projects/top-seo/data/probe-work/csstype/req.cjs' | ✗ failserror: Cannot find package 'csstype' from '/Users/boat/Projects/top-seo/data/probe-work/csstype/imp.mjs' |
A failing require() on a CommonJS package usually means the package needs a browser/DOM global, a peer dependency, or a native binary that is not available in a bare Node.js process.
How to import csstype
ES modules (import)
import csstype from "csstype";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 csstype = require("csstype");Module format by version
Derived from the type, main and exports fields of every stable release on npm (75 versions; the newest 60 shown).
| Versions | Format | First published |
|---|---|---|
| 3.2.1 – 3.2.3 | CommonJS | Nov 15, 2025 |
| 3.2.0 | ESM-only | Nov 14, 2025 |
| 2.0.0 – 3.1.3 | CommonJS | Mar 19, 2018 |
Frequently asked
Is csstype ESM-only?
csstype@3.2.3 is a CommonJS package. csstype ships CommonJS only. require("csstype") works everywhere. import "csstype" 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 csstype with ES module syntax?
Yes. import csstype from "csstype" 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 csstype work in Bun?
Importing csstype failed in Bun 1.4 on Sep 9, 2026: error: Cannot find package 'csstype' from '/Users/boat/Projects/top-seo/data/probe-work/csstype/imp.mjs'
Does csstype ship TypeScript types?
Yes. csstype bundles its own type declarations; no @types package is needed.
Links
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