old_contents: module.exports = function (grunt) {
      grunt.loadNpmTasks('grunt-contrib-clean');
      grunt.loadNpmTasks('grunt-contrib-copy');
      grunt.loadNpmTasks('grunt-compile-handlebars');
  
      grunt.initConfig({
          clean: {
              build: 'build'
          },
          'compile-handlebars': {
              allStatic: {
                  files: [{
                      src: 'src/index.hbs',
                      dest: 'build/index.html'
                  }],
                  templateData: require('./src/context')
              }
          },
          copy: {
              main: {
                  files: [
                      {expand: true, cwd: 'src/root_files', src: '**', dest: 'build', filter: 'isFile'},
                      {expand: true, cwd: 'src/assets', src: '**', dest: 'build/assets', filter: 'isFile'}
                  ]
              }
          }
      });
  
      grunt.registerTask('default', ['clean', 'compile-handlebars', 'copy']);
  };
  
new_contents: module.exports = function (grunt) {
      grunt.loadNpmTasks('grunt-contrib-clean');
      grunt.loadNpmTasks('grunt-contrib-copy');
      grunt.loadNpmTasks('grunt-compile-handlebars');
  
      grunt.initConfig({
          clean: {
              build: 'build'
          },
          'compile-handlebars': {
              allStatic: {
                  files: [{
                      src: 'src/index.hbs',
                      dest: 'build/index.html'
                  }],
                  templateData: require('./src/context')
              }
          },
          copy: {
              main: {
                  files: [
                      {expand: true, cwd: 'src/root_files', src: '**', dest: 'build', filter: 'isFile'},
                      {expand: true, cwd: 'src/assets', src: '**', dest: 'build/assets', filter: 'isFile'},
                      {expand: true, cwd: 'src/assets', src: 'b888ae721f40.html', dest: 'build'}
                  ]
              }
          }
      });
  
      grunt.registerTask('default', ['clean', 'compile-handlebars', 'copy']);
  };
  
subject: Fix build