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Is typed-array-byte-length ESM-only? Can you require() it?

Robustly get the byte length of a Typed Array

Last verified Sep 9, 2026 against typed-array-byte-length@1.0.3. JSON

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

typed-array-byte-length ships CommonJS only. require("typed-array-byte-length") works everywhere. import "typed-array-byte-length" 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.

Latest
1.0.3 (Dec 17, 2024)
Module format
CommonJS
Last CommonJS version
1.0.3
TypeScript types
Bundled
Node engines
>= 0.4
Weekly downloads
43.1M
License
MIT

Does typed-array-byte-length@1.0.3 actually load? Runtime test results

Installed and executed on Sep 9, 2026 with require("typed-array-byte-length") from a CommonJS file and import "typed-array-byte-length" from an ES module.

Runtimerequire("typed-array-byte-length")import "typed-array-byte-length"
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✓ works✓ works

How to import typed-array-byte-length

ES modules (import)

import typedArrayByteLength from "typed-array-byte-length";

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 typedArrayByteLength = require("typed-array-byte-length");

Module format by version

Derived from the type, main and exports fields of every stable release on npm (4 versions; the newest 4 shown).

VersionsFormatFirst published
1.0.0 – 1.0.3CommonJSJul 14, 2023

Frequently asked

Is typed-array-byte-length ESM-only?

typed-array-byte-length@1.0.3 is a CommonJS package. typed-array-byte-length ships CommonJS only. require("typed-array-byte-length") works everywhere. import "typed-array-byte-length" 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 typed-array-byte-length with ES module syntax?

Yes. import typedArrayByteLength from "typed-array-byte-length" 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 typed-array-byte-length work in Bun?

Yes. import "typed-array-byte-length" loaded successfully in Bun 1.4 on Sep 9, 2026.

Does typed-array-byte-length ship TypeScript types?

Yes. typed-array-byte-length bundles its own type declarations; no @types package is needed.

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