in components/js/virtualizedCollection.ts [157:167]
private getDataFromCurrent(index: number): TData {
if (this._bufferWindowBefore.contains(index)) {
return this._bufferWindowBefore.getItem(index);
} else if (this._bufferWindowAfter.contains(index)) {
return this._bufferWindowAfter.getItem(index);
} else if (this._window.contains(index)) {
return this._window.getItem(index);
}
return this._placeHolderGenerator(index);
}