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Is @oclif/command ESM-only? Can you require() it?

oclif base command

Last verified Sep 9, 2026 against @oclif/command@1.8.36. JSON

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

@oclif/command ships CommonJS only. require("@oclif/command") works everywhere. import "@oclif/command" 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
1.8.36 (Aug 19, 2023)
Module format
CommonJS
Last CommonJS version
1.8.36
TypeScript types
Bundled
Node engines
>=12.0.0
License
MIT

Deprecated: Package no longer supported. Contact Support at https://www.npmjs.com/support for more info.

Does @oclif/command@1.8.36 actually load? Runtime test results

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

Runtimerequire("@oclif/command")import "@oclif/command"
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 @oclif/command

ES modules (import)

import command from "@oclif/command";

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 command = require("@oclif/command");

Module format by version

Derived from the type, main and exports fields of every stable release on npm (106 versions; the newest 60 shown).

VersionsFormatFirst published
1.4.35 – 1.8.36CommonJSJul 19, 2018

Frequently asked

Is @oclif/command ESM-only?

@oclif/command@1.8.36 is a CommonJS package. @oclif/command ships CommonJS only. require("@oclif/command") works everywhere. import "@oclif/command" 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 @oclif/command with ES module syntax?

Yes. import command from "@oclif/command" 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 @oclif/command work in Bun?

Yes. import "@oclif/command" loaded successfully in Bun 1.4 on Sep 9, 2026.

Does @oclif/command ship TypeScript types?

Yes. @oclif/command bundles its own type declarations; no @types package is needed.

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