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Is run-parallel ESM-only? Can you require() it?

Run an array of functions in parallel

Last verified Sep 9, 2026 against run-parallel@1.2.0. JSON

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

run-parallel ships CommonJS only. require("run-parallel") works everywhere. import "run-parallel" 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
1.2.0 (Feb 10, 2021)
Module format
CommonJS
Last CommonJS version
1.2.0
TypeScript types
@types/run-parallel
Node engines
not declared
Weekly downloads
110.1M
License
MIT

Does run-parallel@1.2.0 actually load? Runtime test results

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

Runtimerequire("run-parallel")import "run-parallel"
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 run-parallel

ES modules (import)

import runParallel from "run-parallel";

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 runParallel = require("run-parallel");

Module format by version

Derived from the type, main and exports fields of every stable release on npm (17 versions; the newest 17 shown).

VersionsFormatFirst published
0.1.0 – 1.2.0CommonJSApr 12, 2014

Frequently asked

Is run-parallel ESM-only?

run-parallel@1.2.0 is a CommonJS package. run-parallel ships CommonJS only. require("run-parallel") works everywhere. import "run-parallel" 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 run-parallel with ES module syntax?

Yes. import runParallel from "run-parallel" 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 run-parallel work in Bun?

Yes. import "run-parallel" loaded successfully in Bun 1.4 on Sep 9, 2026.

Does run-parallel ship TypeScript types?

Not bundled. Install the community types with "npm install -D @types/run-parallel".

Links

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