Gruntfile.js

module.exports = function(grunt) {
  
  var config = {
    pkg: grunt.file.readJSON('package.json'),
    env: process.env,

    languages: ["en", "de"]
  };
   
  grunt.util._.extend(config, loadConfig('./tasks/options/')); 
  grunt.initConfig(config);

  grunt.loadTasks('tasks');
  require('load-grunt-tasks')(grunt);

  /* TASKS */

  grunt.registerTask('default', ['build', 'watch']);

  grunt.registerTask('build', ['clean', 'internal-build-images', 'internal-build-assets', 'internal-build-templates']);
  grunt.registerTask('build-images', ['clean:images', 'internal-build-images']);
  grunt.registerTask('build-assets', ['clean:assets', 'internal-build-assets']);
  grunt.registerTask('build-templates', ['clean:templates', 'internal-build-templates']);
  grunt.registerTask('build-release', ['build', 'assetFingerprint']);

  grunt.registerTask('build-composer', ['build-release', 'copy:composer', 'clean:output']);
  
  grunt.registerTask('build-webjar', ['build-release', 'maven:webjars', 'clean:output']);
  grunt.registerTask('install-webjar', ['build-release', 'maven:install', 'clean']);
  grunt.registerTask('release-webjar', ['build-release', 'maven:release', 'clean']);

  grunt.registerTask('publish', ['gh-pages-clean', 'build-release', 'gh-pages', 'clean']);

  grunt.registerTask('internal-build-images', ['copy:images', 'imagemin']);
  grunt.registerTask('internal-build-assets', ['copy:assets', 'sass', 'postcss', 'uglify']);
  grunt.registerTask('internal-build-templates', ['copy:templates', 'copy:others', 'json-refs', 'generate-html']);
};

function loadConfig(path) {
  var glob = require('glob');
  var object = {};
  var key;
 
  glob.sync('*', {cwd: path}).forEach(function(option) {
    key = option.replace(/\.js$/,'');
    object[key] = require(path + option);
  });
 
  return object;
}