brewman/overlord/src/app/employee-attendance/employee-attendance-datasource.ts

import { DataSource } from '@angular/cdk/collections';
import { Observable } from 'rxjs';

import { EmployeeAttendanceItem } from './employee-attendance-item';

export class EmployeeAttendanceDataSource extends DataSource<EmployeeAttendanceItem> {
  constructor(private data: Observable<EmployeeAttendanceItem[]>) {
    super();
  }

  connect(): Observable<EmployeeAttendanceItem[]> {
    return this.data;
  }

  disconnect() {}
}