code: function() {
  	var baseURL = this.opts.baseURL;
  
  	/*
  	 * For backwards compatibility, if no URL was passed to the snippet editor we try to retrieve the base URL from the
  	 * rawData in the App. This is because the scrapers used to be responsible for retrieving the baseURL, but the base
  	 * URL is static so we can just pass it to the snippet editor.
  	 */
  	if ( this.hasApp() && ! isEmpty( this.refObj.rawData.baseUrl ) && this.opts.baseURL === defaults.baseURL ) {
  		baseURL = this.refObj.rawData.baseUrl;
  	}
  
  	return baseURL;
  }
docs: Get's the base URL for this instance of the Snippet Preview.
  
  @private
  @this SnippetPreview
  
  @returns {string} The base URL.