in deprecated-react-native-listview/index.js [613:630]
_renderMoreRowsIfNeeded: function() {
if (
this.scrollProperties.contentLength === null ||
this.scrollProperties.visibleLength === null ||
this.state.curRenderedRowsCount ===
(this.props.enableEmptySections
? this.props.dataSource.getRowAndSectionCount()
: this.props.dataSource.getRowCount())
) {
this._maybeCallOnEndReached();
return;
}
const distanceFromEnd = this._getDistanceFromEnd(this.scrollProperties);
if (distanceFromEnd < this.props.scrollRenderAheadDistance) {
this._pageInNewRows();
}
},