code: function parseDB(data, optimized) {
  		if (typeof data == 'string') {
  			data = JSON.parse(data);
  		}
  
  		if (!optimized) {
  			data = optimize(data);
  		}
  
  		vendorsDB = data.vendors;
  		cssDB = data.css;
  		erasDB = data.era;
  	}
docs: Parses raw Can I Use database for better lookups
  @param  {String} data Raw database
  @param  {Boolean} optimized Pass `true` if given `data` is already optimized
  @return {Object}