# karma-chrome-launcher [![js-standard-style](https://img.shields.io/badge/code%20style-standard-brightgreen.svg?style=flat-square)](https://github.com/karma-runner/karma-chrome-launcher) [![npm version](https://img.shields.io/npm/v/karma-chrome-launcher.svg?style=flat-square)](https://www.npmjs.com/package/karma-chrome-launcher) [![npm downloads](https://img.shields.io/npm/dm/karma-chrome-launcher.svg?style=flat-square)](https://www.npmjs.com/package/karma-chrome-launcher) [![Build Status](https://img.shields.io/travis/karma-runner/karma-chrome-launcher/master.svg?style=flat-square)](https://travis-ci.org/karma-runner/karma-chrome-launcher) [![Dependency Status](https://img.shields.io/david/karma-runner/karma-chrome-launcher.svg?style=flat-square)](https://david-dm.org/karma-runner/karma-chrome-launcher) [![devDependency Status](https://img.shields.io/david/dev/karma-runner/karma-chrome-launcher.svg?style=flat-square)](https://david-dm.org/karma-runner/karma-chrome-launcher#info=devDependencies) > Launcher for Google Chrome, Google Chrome Canary and Google Chromium. ## Installation The easiest way is to keep `karma-chrome-launcher` as a devDependency in your `package.json`, by running ```bash $ npm install karma-chrome-launcher --save-dev ``` ## Configuration ```js // karma.conf.js module.exports = function(config) { config.set({ browsers: ['Chrome', 'Chrome_without_security'], // You may use 'ChromeCanary' or 'Chromium' as well // you can define custom flags customLaunchers: { Chrome_without_security: { base: 'Chrome', flags: ['--disable-web-security'] } } }) } ``` The `--user-data-dir` is set to a temporary directory but can be overridden on a custom launcher as shown below. One reason to do this is to have a permanent Chrome user data directory inside the project directory to be able to install plugins there (e.g. JetBrains IDE Support plugin). ```js customLaunchers: { Chrome_with_debugging: { base: 'Chrome', chromeDataDir: path.resolve(__dirname, '.chrome') } } ``` You can pass list of browsers as a CLI argument too: ```bash $ karma start --browsers Chrome,Chrome_without_security ``` ---- For more information on Karma see the [homepage]. [homepage]: http://karma-runner.github.com