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Is @bcoe/v8-coverage ESM-only? Can you require() it?

Helper functions for V8 coverage files.

Last verified Sep 9, 2026 against @bcoe/v8-coverage@1.0.2. JSON

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

@bcoe/v8-coverage ships CommonJS only. require("@bcoe/v8-coverage") works everywhere. import "@bcoe/v8-coverage" 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
1.0.2 (Jan 15, 2025)
Module format
CommonJS
Last CommonJS version
1.0.2
TypeScript types
None
Node engines
>=18
License
MIT

Does @bcoe/v8-coverage@1.0.2 actually load? Runtime test results

Installed and executed on Sep 9, 2026 with require("@bcoe/v8-coverage") from a CommonJS file and import "@bcoe/v8-coverage" from an ES module.

Runtimerequire("@bcoe/v8-coverage")import "@bcoe/v8-coverage"
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 @bcoe/v8-coverage

ES modules (import)

import v8Coverage from "@bcoe/v8-coverage";

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 v8Coverage = require("@bcoe/v8-coverage");

Module format by version

Derived from the type, main and exports fields of every stable release on npm (8 versions; the newest 8 shown).

VersionsFormatFirst published
0.1.0 – 1.0.2CommonJSJan 20, 2019

Frequently asked

Is @bcoe/v8-coverage ESM-only?

@bcoe/v8-coverage@1.0.2 is a CommonJS package. @bcoe/v8-coverage ships CommonJS only. require("@bcoe/v8-coverage") works everywhere. import "@bcoe/v8-coverage" 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 @bcoe/v8-coverage with ES module syntax?

Yes. import v8Coverage from "@bcoe/v8-coverage" 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 @bcoe/v8-coverage work in Bun?

Yes. import "@bcoe/v8-coverage" loaded successfully in Bun 1.4 on Sep 9, 2026.

Does @bcoe/v8-coverage ship TypeScript types?

No. @bcoe/v8-coverage ships no type declarations and there is no @types package for it.

Links

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