Fetch API GroupTask

FetchAPITask.swift

// 1
func fetchAPIGroup<D: Decodable>(urls: [URL]) async throws -> [D] {
    // 2
    try await withThrowingTaskGroup(of: D.self) { (group)  in
        // 3
        for url in urls {
            group.async {
                let data = try Data(contentsOf: url)
                let decodedData = try JSONDecoder().decode(D.self, from: data)
                return decodedData
            }
        }
        
        // 4
        var results = [D]()
        for try await result in group {
            results.append(result)
        }
        return results
    }
}