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

Robustly get the length of a Typed Array

Last verified Sep 9, 2026 against typed-array-length@1.0.8. JSON

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

typed-array-length ships CommonJS only. require("typed-array-length") works everywhere. import "typed-array-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
1.0.8 (May 28, 2026)
Module format
CommonJS
Last CommonJS version
1.0.8
TypeScript types
Bundled
Node engines
>= 0.4
Weekly downloads
61.3M
License
MIT

Does typed-array-length@1.0.8 actually load? Runtime test results

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

Runtimerequire("typed-array-length")import "typed-array-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-length

ES modules (import)

import typedArrayLength from "typed-array-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 typedArrayLength = require("typed-array-length");

Module format by version

Derived from the type, main and exports fields of every stable release on npm (9 versions; the newest 9 shown).

VersionsFormatFirst published
1.0.0 – 1.0.8CommonJSJan 19, 2020

Frequently asked

Is typed-array-length ESM-only?

typed-array-length@1.0.8 is a CommonJS package. typed-array-length ships CommonJS only. require("typed-array-length") works everywhere. import "typed-array-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-length with ES module syntax?

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

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

Does typed-array-length ship TypeScript types?

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

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