Karma front-end unit testing tool

Support es6 syntax detection and its coverage

• npm install karma-coverage-istanbul-instrumenter karma-coverage-istanbul-reporter -D

• karma.conf.js

  preprocessors: {
      'webapp/controller/*.js': ['karma-coverage-istanbul-instrumenter'] // Recognize the ES6 syntax for these files
  },
  coverageIstanbulInstrumenter: {
      esModules: false
  },
  reporters: ['progress'.'coverage-istanbul'].coverageIstanbulReporter: {
      dir: './target/coverage'.includeAllSources: true.Cobertura will generate coverage reports for HTML files
      reports: ['cobertura'.'lcovonly'.'text-summary']},plugins: ['karma-*']
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