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

A minimal library for executing processes in Node

Last verified Sep 9, 2026 against tinyexec@1.3.1. JSON

ESM-only ESM-only since 1.0.1 — last CommonJS version is 1.0.0

tinyexec dropped its CommonJS build in 1.0.1 (March 2025). The last version you can require() on every Node.js version, including 18 and older, is 1.0.0, published Mar 18, 2025.

On Node.js 20.19+, 22.12+ and every newer release, require("tinyexec") works anyway: Node can load synchronous ES modules through require(). Verified on Node 20, 22, 24, 26. Node.js 18 and older still fail with ERR_REQUIRE_ESM.

Latest
1.3.1 (Sep 3, 2026)
Module format
ESM-only
Last CommonJS version
1.0.0
ESM-only since
1.0.1 (Mar 27, 2025)
TypeScript types
Bundled
Node engines
>=18
Weekly downloads
119.5M
License
MIT

Does tinyexec@1.3.1 actually load? Runtime test results

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

Runtimerequire("tinyexec")import "tinyexec"
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 tinyexec

ES modules (import)

import tinyexec from "tinyexec";

CommonJS (require)

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

// Any Node.js version:
const tinyexec = await import("tinyexec");

// Or pin the last CommonJS release:
// npm install tinyexec@1.0.0

Module format by version

Derived from the type, main and exports fields of every stable release on npm (24 versions; the newest 24 shown).

VersionsFormatFirst published
1.0.1 – 1.3.1ESM-onlyMar 27, 2025
0.0.1 – 1.0.0Dual (CommonJS + ESM)Jul 1, 2024

Frequently asked

Is tinyexec ESM-only?

tinyexec@1.3.1 is ESM-only. tinyexec dropped its CommonJS build in 1.0.1 (March 2025). The last version you can require() on every Node.js version, including 18 and older, is 1.0.0, published Mar 18, 2025.

Which version of tinyexec still supports CommonJS / require()?

1.0.0 is the last version of tinyexec with a CommonJS build. Install it with "npm install tinyexec@1.0.0". Every version from 1.0.1 on is ESM-only.

How do I use tinyexec from a CommonJS file?

Use a dynamic import: const mod = await import("tinyexec"). On Node.js 20.19+, 22.12+ and newer, a plain require("tinyexec") also works for ESM packages that do not use top-level await. Alternatively pin tinyexec@1.0.0.

Does tinyexec work in Bun?

Yes. import "tinyexec" loaded successfully in Bun 1.4 on Sep 9, 2026.

Does tinyexec ship TypeScript types?

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

Links

Other esm-only packages

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