index.js
function () {
    var emojiDataURIPath = path.join(this.app.bowerDirectory,
          'emojify/dist/css/data-uri/emojify.css'),
        emojiSpritesPath = path.join(this.app.bowerDirectory,
          'emojify/dist/css/sprites/emojify.css');

    if (_emojiConfig.mode === 'data-uri') {
      this.app.import(emojiDataURIPath);
    } else {
      this.app.import(emojiSpritesPath);
    }
  }
function () {
    var emojiDataURIPath = path.join(this.app.bowerDirectory,
          'emojify/dist/css/data-uri/emojify.css'),
        emojiSpritesPath = path.join(this.app.bowerDirectory,
          'emojify/dist/css/sprites/emojify.css');

    if (_emojiConfig.mode === 'data-uri') {
      this.app.import(emojiDataURIPath);
    } else {
      this.app.import(emojiSpritesPath);
    }
  }
Import style depending on the *mode*. We currently support
`sprite` and `data-uri` modes (NO basic image mode).