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Is fs.realpath ESM-only? Can you require() it?

Use node's fs.realpath, but fall back to the JS implementation if the native one fails

Last verified Sep 9, 2026 against fs.realpath@1.0.0. JSON

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

fs.realpath ships CommonJS only. require("fs.realpath") works everywhere. import "fs.realpath" 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
1.0.0 (Jun 15, 2016)
Module format
CommonJS
Last CommonJS version
1.0.0
TypeScript types
None
Node engines
not declared
Weekly downloads
66.1M
License
ISC

Does fs.realpath@1.0.0 actually load? Runtime test results

Installed and executed on Sep 9, 2026 with require("fs.realpath") from a CommonJS file and import "fs.realpath" from an ES module.

Runtimerequire("fs.realpath")import "fs.realpath"
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 fs.realpath

ES modules (import)

import fsRealpath from "fs.realpath";

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 fsRealpath = require("fs.realpath");

Module format by version

Derived from the type, main and exports fields of every stable release on npm (2 versions; the newest 2 shown).

VersionsFormatFirst published
0.0.0 – 1.0.0CommonJSJun 15, 2016

Frequently asked

Is fs.realpath ESM-only?

fs.realpath@1.0.0 is a CommonJS package. fs.realpath ships CommonJS only. require("fs.realpath") works everywhere. import "fs.realpath" 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 fs.realpath with ES module syntax?

Yes. import fsRealpath from "fs.realpath" 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 fs.realpath work in Bun?

Yes. import "fs.realpath" loaded successfully in Bun 1.4 on Sep 9, 2026.

Does fs.realpath ship TypeScript types?

No. fs.realpath ships no type declarations and there is no @types package for it.

Links

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