Get Care MKLocalSearchCompletion

typeaheadFiltering.swift

func filterSearchLocation(completer: MKLocalSearchCompleter)
    throws -> Observable<[MKLocalSearchCompletion]> {
    // Filter results by titles that contain "United States" keywors
    let filteredResults = completer
                            .results
                            .filter { $0.title.contains("United States") }
    // Throw Location not found error
    guard filteredResults.isEmpty else { throw "Location not found"}
    
    // convert an filtered results into an Observable
    return Observable.just(filteredResults)
  }