canirequire › CommonJS › dunder-proto
Is dunder-proto ESM-only? Can you require() it?
If available, the `Object.prototype.__proto__` accessor and mutator, call-bound
Last verified Sep 9, 2026 against dunder-proto@1.0.1. JSON
CommonJS CommonJS — require() works on every Node.js version
dunder-proto ships CommonJS only. require("dunder-proto") works everywhere. import "dunder-proto" 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 dunder-proto@1.0.1 actually load? Runtime test results
Installed and executed on Sep 9, 2026 with require("dunder-proto") from a CommonJS file and import "dunder-proto" from an ES module.
| Runtime | require("dunder-proto") | import "dunder-proto" |
|---|---|---|
| Node.js 18 | ✗ failsERR_PACKAGE_PATH_NOT_EXPORTED | ✗ failsERR_PACKAGE_PATH_NOT_EXPORTED |
| Node.js 20 | ✗ failsERR_PACKAGE_PATH_NOT_EXPORTED | ✗ failsERR_PACKAGE_PATH_NOT_EXPORTED |
| Node.js 22 | ✗ failsERR_PACKAGE_PATH_NOT_EXPORTED | ✗ failsERR_PACKAGE_PATH_NOT_EXPORTED |
| Node.js 24 | ✗ failsERR_PACKAGE_PATH_NOT_EXPORTED | ✗ failsERR_PACKAGE_PATH_NOT_EXPORTED |
| Node.js 26 | ✗ failsERR_PACKAGE_PATH_NOT_EXPORTED | ✗ failsERR_PACKAGE_PATH_NOT_EXPORTED |
| Bun 1.4 | ✗ failserror: Cannot find package 'dunder-proto' from '/Users/boat/Projects/top-seo/data/probe-work/dunder-proto/req.cjs' | ✗ failserror: Cannot find package 'dunder-proto' from '/Users/boat/Projects/top-seo/data/probe-work/dunder-proto/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 dunder-proto
ES modules (import)
import dunderProto from "dunder-proto";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 dunderProto = require("dunder-proto");Module format by version
Derived from the type, main and exports fields of every stable release on npm (2 versions; the newest 2 shown).
| Versions | Format | First published |
|---|---|---|
| 1.0.0 – 1.0.1 | CommonJS | Dec 6, 2024 |
Frequently asked
Is dunder-proto ESM-only?
dunder-proto@1.0.1 is a CommonJS package. dunder-proto ships CommonJS only. require("dunder-proto") works everywhere. import "dunder-proto" 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 dunder-proto with ES module syntax?
Yes. import dunderProto from "dunder-proto" 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 dunder-proto work in Bun?
Importing dunder-proto failed in Bun 1.4 on Sep 9, 2026: error: Cannot find package 'dunder-proto' from '/Users/boat/Projects/top-seo/data/probe-work/dunder-proto/imp.mjs'
Does dunder-proto ship TypeScript types?
No. dunder-proto ships no type declarations and there is no @types package for it.
Links
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