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Is karma-phantomjs-launcher ESM-only? Can you require() it?

A Karma plugin. Launcher for PhantomJS.

Last verified Sep 9, 2026 against karma-phantomjs-launcher@1.0.4. JSON

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

karma-phantomjs-launcher ships CommonJS only. require("karma-phantomjs-launcher") works everywhere. import "karma-phantomjs-launcher" 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
1.0.4 (Mar 10, 2017)
Module format
CommonJS
Last CommonJS version
1.0.4
TypeScript types
None
Node engines
not declared
Weekly downloads
177K
License
MIT

Deprecated: PhantomJS development have stopped, use puppeteer or similar

Does karma-phantomjs-launcher@1.0.4 actually load? Runtime test results

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

Runtimerequire("karma-phantomjs-launcher")import "karma-phantomjs-launcher"
Node.js 18✗ failsERR_INVALID_ARG_TYPE✗ failsERR_INVALID_ARG_TYPE
Node.js 20✗ failsERR_INVALID_ARG_TYPE✗ failsERR_INVALID_ARG_TYPE
Node.js 22✗ failsERR_INVALID_ARG_TYPE✗ failsERR_INVALID_ARG_TYPE
Node.js 24✗ failsERR_INVALID_ARG_TYPE✗ failsERR_INVALID_ARG_TYPE
Node.js 26✗ failsERR_INVALID_ARG_TYPE✗ failsERR_INVALID_ARG_TYPE
Bun 1.4✗ failsERR_INVALID_ARG_TYPE✗ failsERR_INVALID_ARG_TYPE

A failing require() on a CommonJS package usually means the package needs a browser/DOM global, a peer dependency, or a native binary that is not available in a bare Node.js process.

How to import karma-phantomjs-launcher

ES modules (import)

import karmaPhantomjsLauncher from "karma-phantomjs-launcher";

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 karmaPhantomjsLauncher = require("karma-phantomjs-launcher");

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
0.0.1 – 1.0.4CommonJSMar 19, 2013

Frequently asked

Is karma-phantomjs-launcher ESM-only?

karma-phantomjs-launcher@1.0.4 is a CommonJS package. karma-phantomjs-launcher ships CommonJS only. require("karma-phantomjs-launcher") works everywhere. import "karma-phantomjs-launcher" 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 karma-phantomjs-launcher with ES module syntax?

Yes. import karmaPhantomjsLauncher from "karma-phantomjs-launcher" 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 karma-phantomjs-launcher work in Bun?

Importing karma-phantomjs-launcher failed in Bun 1.4 on Sep 9, 2026: TypeError: The "path" property must be of type string, got object

Does karma-phantomjs-launcher ship TypeScript types?

No. karma-phantomjs-launcher ships no type declarations and there is no @types package for it.

Links

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