Typescript ag-Grid Range selection directive which selects & highlights rows for any selected cell & emits a 'rangeSelectionRowsChanged' with a rows property of selected rows.

grid-selection.directive.ts

import {Directive, EventEmitter, Output} from '@angular/core';
import {AgGridNg2} from 'ag-grid-angular';
import {GridApi} from 'ag-grid';

/***
 * Range selection directive which selects & highlights rows for any selected cell
 * (ctrl+click for multiple ranges) and emits a 'rangeSelectionRowsChanged' with a
 * rows property of selected rows.
 *
 * NOTE: this only currently supports client-side grids.
 */
@Directive({
    selector: '[gridRangeRowSelection]',
})
export class AgGridSelectionDirective {

    @Output('gridRangeRowSelection') onChangeEvent = new EventEmitter();

    constructor(grid: AgGridNg2) {
        grid.rangeSelectionChanged.subscribe(event => {
            const api: GridApi = event.api;
            // deselect previous rows
            this.clearPreviousSelections(api);

            const selectedRows = this.getSelectedRows(api);

            this.onChangeEvent.emit({rows: selectedRows});
        });
    }

    public getSelectedRows(api: GridApi) {
        // get all range selections (ctrl+click/drag for multiple selections)
        const rangeSelections = api.getRangeSelections();
        const selectedRows = rangeSelections ? rangeSelections
            .map(rangeSelection => {
                let start = rangeSelection.start.rowIndex;
                let end = rangeSelection.end.rowIndex;
                if (start > end) {
                    [start, end] = [end, start];
                }

                // Equivalent of _.range(startRowIndex, endRowIndex).map(api.getDisplayedRowAtIndex)
                const selectedRowsInRange = [];
                for (let index = start; index <= end; index++) {
                    const selectedRow = api.getDisplayedRowAtIndex(index);
                    if (selectedRow) {
                        selectedRowsInRange.push(selectedRow);
                    }
                }
                return selectedRowsInRange;
            }).reduce((a, b) => a.concat(b), []) : [];

        // Unique selectedRows - as we can have multiple range selections, they may overlap rows.
        const selectedRowSet = Array.from(new Set(selectedRows));
        const selectedRowData = selectedRowSet.map(row => {
            // note we cant use row.setSelected(true), as this will override copy to clipboard
            // for cells to the whole row.
            row.selected = true;
            return row.data;
        });

        // update all newly selected and previously unselected rows
        api.updateRowData({update: selectedRowData});
        return selectedRowData;
    }

    private clearPreviousSelections(api: GridApi) {
        // note this is side-effecting selection so we only do 1 pass.
        const previousSelected = api['rowModel'].rowsToDisplay
            .filter(row => row.selected)
            .map(row => {
                row.selected = false;
                return row.data;
            });
        api.updateRowData({update: previousSelected});
        return previousSelected;
    }
}

Is there any instruction how to configure in angular 5?