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Is schema-utils ESM-only? Can you require() it?

webpack Validation Utils

Last verified Sep 9, 2026 against schema-utils@4.4.0. JSON

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

schema-utils ships CommonJS only. require("schema-utils") works everywhere. import "schema-utils" 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
4.4.0 (Sep 9, 2026)
Module format
CommonJS
Last CommonJS version
4.4.0
TypeScript types
Bundled
Node engines
>= 10.13.0
Weekly downloads
104.6M
License
MIT

Does schema-utils@4.4.0 actually load? Runtime test results

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

Runtimerequire("schema-utils")import "schema-utils"
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 schema-utils

ES modules (import)

import schemaUtils from "schema-utils";

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 schemaUtils = require("schema-utils");

Module format by version

Derived from the type, main and exports fields of every stable release on npm (44 versions; the newest 44 shown).

VersionsFormatFirst published
0.1.0 – 4.4.0CommonJSMar 7, 2017

Frequently asked

Is schema-utils ESM-only?

schema-utils@4.4.0 is a CommonJS package. schema-utils ships CommonJS only. require("schema-utils") works everywhere. import "schema-utils" 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 schema-utils with ES module syntax?

Yes. import schemaUtils from "schema-utils" 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 schema-utils work in Bun?

Yes. import "schema-utils" loaded successfully in Bun 1.4 on Sep 9, 2026.

Does schema-utils ship TypeScript types?

Yes. schema-utils bundles its own type declarations; no @types package is needed.

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