constructor()

in deprecated-react-native-listview/ListViewDataSource.js [104:124]

• 17 lines of code
• 4 McCabe index (conditional complexity)

  constructor(params: ParamType) {
    invariant(
      params && typeof params.rowHasChanged === 'function',
      'Must provide a rowHasChanged function.',
    );
    this._rowHasChanged = params.rowHasChanged;
    this._getRowData = params.getRowData || defaultGetRowData;
    this._sectionHeaderHasChanged = params.sectionHeaderHasChanged;
    this._getSectionHeaderData =
      params.getSectionHeaderData || defaultGetSectionHeaderData;

    this._dataBlob = null;
    this._dirtyRows = [];
    this._dirtySections = [];
    this._cachedRowCount = 0;

    // These two private variables are accessed by outsiders because ListView
    // uses them to iterate over the data in this class.
    this.rowIdentities = [];
    this.sectionIdentities = [];
  }