karma.conf.ts

declare var module;

module.exports = (config) => {
    config.set({
        browsers: ['Chrome'],

        frameworks: ['mocha'/*, 'source-map-support'*/],

        files: [
            'node_modules/expect.js/index.js',
            'index.test.js',
            'index.js'
        ],

        client: {
            mocha: {
                reporter: 'html', // change Karma's debug.html to the mocha web reporter
                ui: 'bdd'
            }
        }
    });
};