Network-Combine

Network.swift

import Combine
import Foundation

// As any Publisher
func fetchMovies() -> AnyPublisher<MovieResponse, Error> {
    let url = URL(string: "https://api.themoviedb.org/3/movie/upcoming?api_key=123")!
    
    return URLSession
        .shared
        .dataTaskPublisher(for: url)
        .map(\.data)
    //        .tryMap { data in
    //            let decoded = try jsonDecoder.decode(MovieResponse.self, from: data)
    //            return decoded
    //        }
        .decode(type: MovieResponse.self, decoder: JSONDecoder())
        .eraseToAnyPublisher()
}

// As some Publisher
func searchMovies(for query: String) -> some Publisher<MovieResponse, Error> {
    let encodedQuery = query.addingPercentEncoding(withAllowedCharacters: .urlQueryAllowed)
    let url = URL(string: "https://api.themoviedb.org/3/search/movie?api_key=\(apiKey)&query=\(encodedQuery!)")!

    return URLSession
        .shared
        .dataTaskPublisher(for: url)
        .map { $0.data }
        .decode(type: MovieResponse.self, decoder: jsonDecoder)
}