Method constructor

src/material/table/table.spec.ts:886–897

()

  @ViewChild(MatSortHeader) sortHeader!: MatSortHeader;

  constructor() {
    this.underlyingDataSource.data = [];

    // Add three rows of data
    this.underlyingDataSource.addData();
    this.underlyingDataSource.addData();
    this.underlyingDataSource.addData();

    this.underlyingDataSource.connect().subscribe(data => {
      this.dataSource.data = data;
    });
  }

  ngAfterViewInit() {
    this.dataSource.sort = this.sort;