text: module.exports = function(grunt) {
      'use strict';
  
      // Load all grunt tasks in package.json
      require('load-grunt-tasks')(grunt, {
          scope: 'devDependencies'
      });
  
      var defaultConfig = require('./gruntfile.tasks')(grunt);
  
      grunt.initConfig(grunt.util._.merge(defaultConfig, {
          /* Custom configration options or overrides */
      }));
  
      /* Custom tasks or overrides */
  
      // Pack classes
      grunt.registerTask('pack', [
          'webpack:dev'
      ]);
  
      // Develop without browser
      grunt.registerTask('default', [
  		'build',
          'concurrent'
      ]);
  
      grunt.registerTask('build', [
          'clean',
  		'copy',
          'sass',
          'concat',
  		'webpack'
      ]);
  };
  