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

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Last verified Sep 9, 2026 against send@1.2.1. Markdown · JSON

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

send ships CommonJS only. require("send") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >= 18. import "send" 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("send") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >= 18.
  2. From ES modules use the default import: import send from "send"; then destructure. Named imports only work when Node.js can statically detect the exports.
  3. TypeScript: npm install -D @types/send
Latest
1.2.1 (Dec 15, 2025)
Module format
CommonJS
Last CommonJS version
1.2.1
TypeScript types
@types/send
Node engines
>= 18
Weekly downloads
127.6M
License
MIT

Does send@1.2.1 actually load? Runtime test results

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

Runtimerequire("send")import "send"
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 send

ES modules (import)

import send from "send";

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 send = require("send");

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 (67 versions; the newest 60 shown).

VersionsFormatFirst published
0.1.3 – 1.2.1CommonJSJul 8, 2013

Frequently asked

Is send ESM-only?

send@1.2.1 is a CommonJS package. send ships CommonJS only. require("send") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >= 18. import "send" 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 send with ES module syntax?

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

Yes. import "send" loaded successfully in Bun 1.4.0 on Sep 9, 2026.

Does send ship TypeScript types?

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

Links

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