text: // Karma configuration
  'use strict'
  module.exports = (config) => {
    config.set({
  
      // base path that will be used to resolve all patterns (eg. files, exclude)
      basePath: '',
  
      // frameworks to use
      // available frameworks: https://npmjs.org/browse/keyword/karma-adapter
      frameworks: ['jasmine'],
  
      // list of files / patterns to load in the browser
      files: [
        'libs/polyfill.js',
        'node_modules/promise-polyfill/dist/polyfill.js',
        'jspdf.js',
        {
          pattern: 'plugins/*.js',
          included: true
        },   
        {
          pattern: 'libs/*.js',
          included: true
        },
        'node_modules/canvg/dist/browser/canvg.js',
        'node_modules/omggif/omggif.js',
        'node_modules/html2canvas/dist/html2canvas.js',
        'tests/utils/compare.js',
        {
          pattern: 'tests/**/*.spec.js',
          included: true
        },
        {
          pattern: 'tests/**/reference/*.*',
          included: false,
          served: true
        }
      ],
  
      // list of files to exclude
      exclude: [],
  
      // preprocess matching files before serving them to the browser
      // available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
      preprocessors: {
        'jspdf.js': 'coverage',
        'plugins/*.js': 'coverage',      
        'libs/*.js': 'coverage',
        'tests/!(acroform|unicode)*/*.js': 'babel'
      },
  
      // test results reporter to use
      // possible values: 'dots', 'progress'
      // available reporters: https://npmjs.org/browse/keyword/karma-reporter
      reporters: ['mocha', 'coverage'],
  
      // web server port
      port: 9876,
  
      // enable / disable colors in the output (reporters and logs)
      colors: true,
  
      // level of logging
      // possible values: config.LOG_DISABLE || config.LOG_ERROR || config.LOG_WARN || config.LOG_INFO || config.LOG_DEBUG
      logLevel: config.LOG_INFO,
  
      // enable / disable watching file and executing tests whenever any file changes
      autoWatch: true,
  
      // start these browsers
      // available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
      browsers: ['Chrome', 'Firefox'],
  
      // Continuous Integration mode
      // if true, Karma captures browsers, runs the tests and exits
      singleRun: false,
  
      // Concurrency level
      // how many browser should be started simultaneous
      concurrency: Infinity,
  
      coverageReporter: {
        reporters: [
          {
            type: 'lcov',
            dir: 'coverage/'
          },
          {
            type: 'text'
          }
        ]
      },
      babelPreprocessor: {
        options: {
          presets: ["@babel/env"], // "@babel/preset-env"
          sourceMap: 'inline'
        }
      }
    })
  }
  