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Is postcss-value-parser ESM-only? Can you require() it?

Transforms css values and at-rule params into the tree

Last verified Sep 9, 2026 against postcss-value-parser@4.2.0. JSON

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

postcss-value-parser ships CommonJS only. require("postcss-value-parser") works everywhere. import "postcss-value-parser" 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.

Latest
4.2.0 (Nov 29, 2021)
Module format
CommonJS
Last CommonJS version
4.2.0
TypeScript types
Bundled
Node engines
not declared
Weekly downloads
85.2M
License
MIT

Does postcss-value-parser@4.2.0 actually load? Runtime test results

Installed and executed on Sep 9, 2026 with require("postcss-value-parser") from a CommonJS file and import "postcss-value-parser" from an ES module.

Runtimerequire("postcss-value-parser")import "postcss-value-parser"
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 postcss-value-parser

ES modules (import)

import postcssValueParser from "postcss-value-parser";

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 postcssValueParser = require("postcss-value-parser");

Module format by version

Derived from the type, main and exports fields of every stable release on npm (36 versions; the newest 36 shown).

VersionsFormatFirst published
1.0.0 – 4.2.0CommonJSAug 17, 2015

Frequently asked

Is postcss-value-parser ESM-only?

postcss-value-parser@4.2.0 is a CommonJS package. postcss-value-parser ships CommonJS only. require("postcss-value-parser") works everywhere. import "postcss-value-parser" 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 postcss-value-parser with ES module syntax?

Yes. import postcssValueParser from "postcss-value-parser" 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 postcss-value-parser work in Bun?

Yes. import "postcss-value-parser" loaded successfully in Bun 1.4 on Sep 9, 2026.

Does postcss-value-parser ship TypeScript types?

Yes. postcss-value-parser bundles its own type declarations; no @types package is needed.

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