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Is raw-body ESM-only? Can you require() it?

Get and validate the raw body of a readable stream.

Last verified Sep 9, 2026 against raw-body@4.0.0. JSON

ESM-only ESM-only since 4.0.0 — last CommonJS version is 3.0.2

raw-body dropped its CommonJS build in 4.0.0 (July 2026). The last version you can require() on every Node.js version, including 18 and older, is 3.0.2, published Nov 21, 2025.

On Node.js 20.19+, 22.12+ and every newer release, require("raw-body") works anyway: Node can load synchronous ES modules through require(). Verified on Node 22, 24, 26. Node.js 18 and older still fail with ERR_REQUIRE_ESM.

raw-body@4.0.0 declares engines ">=22", so Node.js 18, 20 are outside its supported range regardless of module format.

Latest
4.0.0 (Jul 12, 2026)
Module format
ESM-only
Last CommonJS version
3.0.2
ESM-only since
4.0.0 (Jul 12, 2026)
TypeScript types
Bundled
Node engines
>=22
Weekly downloads
128.5M
License
MIT

Does raw-body@4.0.0 actually load? Runtime test results

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

Runtimerequire("raw-body")import "raw-body"
Node.js 18✗ failsERR_REQUIRE_ESM✓ 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 raw-body

ES modules (import)

import rawBody from "raw-body";

CommonJS (require)

// Node.js 20.19+ / 22.12+ / newer (package has no top-level await):
const rawBody = require("raw-body");

// Any Node.js version:
const rawBody = await import("raw-body");

// Or pin the last CommonJS release:
// npm install raw-body@3.0.2

Module format by version

Derived from the type, main and exports fields of every stable release on npm (53 versions; the newest 53 shown).

VersionsFormatFirst published
4.0.0ESM-onlyJul 12, 2026
0.0.1 – 3.0.2CommonJSSep 14, 2013

Frequently asked

Is raw-body ESM-only?

raw-body@4.0.0 is ESM-only. raw-body dropped its CommonJS build in 4.0.0 (July 2026). The last version you can require() on every Node.js version, including 18 and older, is 3.0.2, published Nov 21, 2025.

Which version of raw-body still supports CommonJS / require()?

3.0.2 is the last version of raw-body with a CommonJS build. Install it with "npm install raw-body@3.0.2". Every version from 4.0.0 on is ESM-only.

How do I use raw-body from a CommonJS file?

Use a dynamic import: const mod = await import("raw-body"). On Node.js 20.19+, 22.12+ and newer, a plain require("raw-body") also works for ESM packages that do not use top-level await. Alternatively pin raw-body@3.0.2.

Does raw-body work in Bun?

Yes. import "raw-body" loaded successfully in Bun 1.4 on Sep 9, 2026.

Does raw-body ship TypeScript types?

Yes. raw-body bundles its own type declarations; no @types package is needed.

Links

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