message: Performance not available in react native
diff: @@ -6,7 +6,7 @@ class Ghost extends React.Component<{getKey: any, data: any, children: any}, {it
  this.state = {items: []};
  }
  static getDerivedStateFromProps(props, {items: prevItems}) {
  - var tick = performance.now();
  + var tick = Date.now();
  var {getKey, data} = props;
  var dataByKey = data.reduce((acc, item, index) => ({...acc, [getKey(item)]: {...item, index}}), {});
  var itemsByKey = prevItems.reduce((acc, item) => ({...acc, [item.key]: item}), {});
  