protected select()

in src/interactivitySelectionService.ts [156:190]
25 lines of code
7 McCabe index (conditional complexity)

    protected select(dataPoints: SelectableDataPoint | SelectableDataPoint[], multiSelect: boolean): void {
        const selectableDataPoints: SelectableDataPoint[] = [].concat(dataPoints);
        const originalSelectedIds = [...<ISelectionId[]>this.selectionManager.getSelectionIds()];

        if (!multiSelect || !selectableDataPoints.length) {
            // if multiselect isn't active need to reset curent selections
            // or clear selection by passing empty array of selection in dataPoints parameter
            this.selectionManager.clear();
        }

        // array of selection of selected datapoints
        const selectionIdsToSelect: ISelectionId[] = [];

        selectableDataPoints.forEach((dataPoint: SelectableDataPoint) => {
            if (!dataPoint || !dataPoint.identity) {
                return;
            }
            const shouldDataPointBeSelected: boolean = !this.isDataPointSelected(dataPoint, originalSelectedIds);
            // update state of datapoint, set as selected and acumulate selectionId in temp array
            if (shouldDataPointBeSelected) {
                dataPoint.selected = true;
                selectionIdsToSelect.push(<ISelectionId>dataPoint.identity);
            } else {
                // set selection as false if datapoint isn't selected
                dataPoint.selected = false;
                if (multiSelect) {
                    selectionIdsToSelect.push(<ISelectionId>dataPoint.identity);
                }
            }
        });
        // if multiselect isn't active selection manager resets current state of selection and applies new selections
        this.selectionManager.select(selectionIdsToSelect, multiSelect);

        this.syncSelectionState();
    }