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

tap-producing test harness for node and browsers

Last verified Sep 9, 2026 against tape@5.10.2. Markdown · JSON

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

tape ships CommonJS only. require("tape") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. import "tape" 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("tape") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun.
  2. From ES modules use the default import: import tape from "tape"; then destructure. Named imports only work when Node.js can statically detect the exports.
  3. TypeScript: types are bundled; install nothing extra.
Latest
5.10.2 (Jun 18, 2026)
Module format
CommonJS
Last CommonJS version
5.10.2
TypeScript types
Bundled
Node engines
not declared
Weekly downloads
683K
License
MIT

Does tape@5.10.2 actually load? Runtime test results

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

Runtimerequire("tape")import "tape"
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 tape

ES modules (import)

import tape from "tape";

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 tape = require("tape");

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 (155 versions; the newest 60 shown).

VersionsFormatFirst published
4.6.0 – 5.10.2CommonJSJun 20, 2016

Frequently asked

Is tape ESM-only?

tape@5.10.2 is a CommonJS package. tape ships CommonJS only. require("tape") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. import "tape" 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 tape with ES module syntax?

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

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

Does tape ship TypeScript types?

Yes. tape bundles its own type declarations; no @types package is needed.

Links

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