karma.conf.js

const PWD = process.cwd();
const BASEDIR = `${PWD}/spec`;

module.exports = config => config.set({
  logLevel: config.LOG_INFO,
  frameworks: ['browserify', 'jasmine'],
  files: [`${BASEDIR}/stuff.karma.js`],

  // files: [`${BASEDIR}/**/+([^.]|*.karma).js`],
  browsers: ['PhantomJS'],
  singleRun: true,
  preprocessors: {
    [`${BASEDIR}/stuff.karma.js`]: ['browserify'],

    // [`${BASEDIR}/**/*.js`]: ['browserify'],
  },
  browserify: {
    debug: true,
    transform: ['babelify'],
    extensions: ['.js', '.json', '.jsx'],
  },
  watchify: {
    poll: true,
  },
});