grunt injector

gruntfile.js

    injector: {
      options: {
        // Task-specific options go here.
      },
      scripts: {
        options: {
          transform: function(filePath) {
            filePath = filePath.replace('/app/', '');
            filePath = filePath.replace('/.tmp/', '');
            return '<script src="' + filePath + '"></script>';
          },
          starttag: '<!-- injector:js -->',
          endtag: '<!-- endinjector -->'
        },
        files: {
          'app/index.html': [
              ['<%= config.app %>/{scripts,components}/**/*.js',
               '!<%= config.app %>/scripts/main.js']
            ]
        }
      }
    },