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Is validator ESM-only? Can you require() it?

String validation and sanitization

Last verified Sep 9, 2026 against validator@13.15.35. JSON

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

validator ships CommonJS only. require("validator") works everywhere. import "validator" 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
13.15.35 (Apr 2, 2026)
Module format
CommonJS
Last CommonJS version
13.15.35
TypeScript types
@types/validator
Node engines
>= 0.10
Weekly downloads
22.9M
License
MIT

Does validator@13.15.35 actually load? Runtime test results

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

Runtimerequire("validator")import "validator"
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 validator

ES modules (import)

import validator from "validator";

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 validator = require("validator");

Module format by version

Derived from the type, main and exports fields of every stable release on npm (215 versions; the newest 60 shown).

VersionsFormatFirst published
5.4.0 – 13.15.35CommonJSJun 9, 2016

Frequently asked

Is validator ESM-only?

validator@13.15.35 is a CommonJS package. validator ships CommonJS only. require("validator") works everywhere. import "validator" 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 validator with ES module syntax?

Yes. import validator from "validator" 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 validator work in Bun?

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

Does validator ship TypeScript types?

Not bundled. Install the community types with "npm install -D @types/validator".

Links

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