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Is requires-port ESM-only? Can you require() it?

Check if a protocol requires a certain port number to be added to an URL.

Last verified Sep 9, 2026 against requires-port@1.0.0. Markdown · JSON

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

requires-port ships CommonJS only. require("requires-port") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. import "requires-port" 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("requires-port") 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 requiresPort from "requires-port"; then destructure. Named imports only work when Node.js can statically detect the exports.
  3. TypeScript: npm install -D @types/requires-port
Latest
1.0.0 (Oct 30, 2015)
Module format
CommonJS
Last CommonJS version
1.0.0
TypeScript types
@types/requires-port
Node engines
not declared
Weekly downloads
34.9M
License
MIT

Does requires-port@1.0.0 actually load? Runtime test results

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

Runtimerequire("requires-port")import "requires-port"
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 requires-port

ES modules (import)

import requiresPort from "requires-port";

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 requiresPort = require("requires-port");

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 (3 versions; the newest 3 shown).

VersionsFormatFirst published
0.0.0 – 1.0.0CommonJSNov 7, 2014

Frequently asked

Is requires-port ESM-only?

requires-port@1.0.0 is a CommonJS package. requires-port ships CommonJS only. require("requires-port") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. import "requires-port" 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 requires-port with ES module syntax?

Yes. import requiresPort from "requires-port" 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 requires-port work in Bun?

Yes. import "requires-port" loaded successfully in Bun 1.4.0 on Sep 9, 2026.

Does requires-port ship TypeScript types?

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

Links

Other commonjs packages

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