text: import { every, from, map, merge, of } from 'rxjs';
  
  // Case:
  // Get two observables and get final value based on All values
  
  merge(of(1), of(1))
    .pipe(
      every(v => v === 1) // true if ALL values are 1
    )
    .subscribe(console.log)
  
  // Case 2:
  // Get the  result based on array
  from([1, 2, 3, 4, 5])
    .pipe(
      every(v => v === 1)
    )
    .subscribe(console.log)
  
  
  // Case 3:
  // Get the  result based on array
  const arr2 = ['a', 'd'];
  of(['a', 'b', 'c'])
    .pipe(
      map(list => list.every(v => arr2.includes(v)))
    )
    .subscribe(console.log)