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Is uri-js ESM-only? Can you require() it?

An RFC 3986/3987 compliant, scheme extendable URI/IRI parsing/validating/resolving library for JavaScript.

Last verified Sep 9, 2026 against uri-js@4.4.1. Markdown · JSON

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

uri-js ships CommonJS only. require("uri-js") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. import "uri-js" 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("uri-js") 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 uriJs from "uri-js"; then destructure. Named imports only work when Node.js can statically detect the exports.
  3. TypeScript: types are bundled; install nothing extra.
Latest
4.4.1 (Jan 10, 2021)
Module format
CommonJS
Last CommonJS version
4.4.1
TypeScript types
Bundled
Node engines
not declared
Weekly downloads
134.2M
License
BSD-2-Clause

Does uri-js@4.4.1 actually load? Runtime test results

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

Runtimerequire("uri-js")import "uri-js"
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 uri-js

ES modules (import)

import uriJs from "uri-js";

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 uriJs = require("uri-js");

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 (14 versions; the newest 14 shown).

VersionsFormatFirst published
1.4.0 – 4.4.1CommonJSMar 13, 2012

Frequently asked

Is uri-js ESM-only?

uri-js@4.4.1 is a CommonJS package. uri-js ships CommonJS only. require("uri-js") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. import "uri-js" 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 uri-js with ES module syntax?

Yes. import uriJs from "uri-js" 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 uri-js work in Bun?

Yes. import "uri-js" loaded successfully in Bun 1.4.0 on Sep 9, 2026.

Does uri-js ship TypeScript types?

Yes. uri-js bundles its own type declarations; no @types package is needed.

Links

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