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Is babel-plugin-transform-class-properties ESM-only? Can you require() it?

This plugin transforms static class properties as well as properties declared with the property initializer syntax

Last verified Sep 9, 2026 against babel-plugin-transform-class-properties@6.24.1. Markdown · JSON

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

babel-plugin-transform-class-properties ships CommonJS only. require("babel-plugin-transform-class-properties") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. import "babel-plugin-transform-class-properties" 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.

What to do

  1. require("babel-plugin-transform-class-properties") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun.
  2. From ES modules use the default import: import babelPluginTransformClassProperties from "babel-plugin-transform-class-properties"; then destructure. Named imports only work when Node.js can statically detect the exports.
  3. TypeScript: no types are available for babel-plugin-transform-class-properties; declare the module yourself if you need them.
Latest
6.24.1 (Apr 7, 2017)
Module format
CommonJS
Last CommonJS version
6.24.1
TypeScript types
None
Node engines
not declared
Weekly downloads
802K
License
MIT

Does babel-plugin-transform-class-properties@6.24.1 actually load? Runtime test results

Installed and executed on Sep 9, 2026 with require("babel-plugin-transform-class-properties") from a CommonJS file and import "babel-plugin-transform-class-properties" from an ES module.

Runtimerequire("babel-plugin-transform-class-properties")import "babel-plugin-transform-class-properties"
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 1.4.0✓ works✓ works

How to import babel-plugin-transform-class-properties

ES modules (import)

import babelPluginTransformClassProperties from "babel-plugin-transform-class-properties";

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 babelPluginTransformClassProperties = require("babel-plugin-transform-class-properties");

Module format by version

Derived from the type, main and exports fields of every stable release on npm, corrected where a runtime test of that version contradicted them (28 versions; the newest 28 shown).

VersionsFormatFirst published
6.0.2 – 6.24.1CommonJSOct 29, 2015

Frequently asked

Is babel-plugin-transform-class-properties ESM-only?

babel-plugin-transform-class-properties@6.24.1 is a CommonJS package. babel-plugin-transform-class-properties ships CommonJS only. require("babel-plugin-transform-class-properties") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. import "babel-plugin-transform-class-properties" 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 babel-plugin-transform-class-properties with ES module syntax?

Yes. import babelPluginTransformClassProperties from "babel-plugin-transform-class-properties" 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 babel-plugin-transform-class-properties work in Bun?

Yes. import "babel-plugin-transform-class-properties" loaded successfully in Bun 1.4.0 on Sep 9, 2026.

Does babel-plugin-transform-class-properties ship TypeScript types?

No. babel-plugin-transform-class-properties ships no type declarations and there is no @types package for it.

Links

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