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Is smart-buffer ESM-only? Can you require() it?

smart-buffer is a Buffer wrapper that adds automatic read & write offset tracking, string operations, data insertions, and more.

Last verified Sep 9, 2026 against smart-buffer@4.2.0. Markdown · JSON

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

smart-buffer ships CommonJS only. require("smart-buffer") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >= 6.0.0. import "smart-buffer" 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("smart-buffer") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >= 6.0.0.
  2. From ES modules use the default import: import smartBuffer from "smart-buffer"; then destructure. Named imports only work when Node.js can statically detect the exports.
  3. TypeScript: types are bundled; install nothing extra.
Latest
4.2.0 (Aug 7, 2021)
Module format
CommonJS
Last CommonJS version
4.2.0
TypeScript types
Bundled
Node engines
>= 6.0.0
Weekly downloads
39.2M
License
MIT

Does smart-buffer@4.2.0 actually load? Runtime test results

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

Runtimerequire("smart-buffer")import "smart-buffer"
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 smart-buffer

ES modules (import)

import smartBuffer from "smart-buffer";

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 smartBuffer = require("smart-buffer");

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 (31 versions; the newest 31 shown).

VersionsFormatFirst published
1.0.0 – 4.2.0CommonJSNov 3, 2013

Frequently asked

Is smart-buffer ESM-only?

smart-buffer@4.2.0 is a CommonJS package. smart-buffer ships CommonJS only. require("smart-buffer") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >= 6.0.0. import "smart-buffer" 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 smart-buffer with ES module syntax?

Yes. import smartBuffer from "smart-buffer" 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 smart-buffer work in Bun?

Yes. import "smart-buffer" loaded successfully in Bun 1.4.0 on Sep 9, 2026.

Does smart-buffer ship TypeScript types?

Yes. smart-buffer bundles its own type declarations; no @types package is needed.

Links

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