message: dont assume there items is an array
diff: @@ -80,7 +80,7 @@ export default class LazyRenderList extends React.Component {
  const {renderRange} = this.state;
  const paddingTop = renderRange.topCount * itemHeight;
  const paddingBottom = renderRange.bottomCount * itemHeight;
  - const renderedItems = items.slice(
  + const renderedItems = (items || []).slice(
  renderRange.topCount,
  renderRange.topCount + renderRange.renderCount,
  );
  