alfianlosari

// Generate docarhive file using xcodebuild to custom derived data path

xcodebuild docbuild \
-scheme YOUR_TARGET_NAME \
-derivedDataPath PATH_TO_SAVE_DERIVED_DATA_FOLDER \
-destination 'platform=iOS Simulator,name=iPhone 13' 

// Find docarchive file in the build derived data path
find PATH_TO_SAVE_DERIVED_DATA_FOLDER -type d -name '*.doccarchive'

alfianlosari

func fetchAPI<D: Decodable>(url: URL) async throws -> D {
    let task = Task { () -> D in
        try await fetchAndDecode(url: url)
    }
    //...
}

func fetchAPIGroup<D: Decodable>(urls: [URL]) async throws -> [D] {
    try await withThrowingTaskGroup(of: D.self) { (group)  in
        for url in urls {

alfianlosari

func fetchAndDecode<D: Decodable>(url: URL) async throws -> D {
    let data = try await URLSession.shared.data(with: url)
    let decodedData = try JSONDecoder().decode(D.self, from: data)
    return decodedData
}

alfianlosari

import Foundation

extension URLSession {
    
    // 1
    func data(with url: URL) async throws -> Data {
        // 2
        try await withCheckedThrowingContinuation { continuation in
            // 3
            dataTask(with: url) { data, _, error in

alfianlosari

// 1
static func main() async {
   do {
       // 2
       let revengeOfSith: SWAPIResponse<Film> = try await fetchAPI(url: Film.url(id: "6"))
       print("Resp: \(revengeOfSith.response)")
       
       // 3
       let urlsToFetch = Array(revengeOfSith.response.characterURLs.prefix(upTo: 3))
       let revengeOfSithCharacters: [SWAPIResponse<People>] = try await fetchAPIGroup(urls: urlsToFetch)

alfianlosari

// 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

alfianlosari

static func main() {
    detach {
        do {
            let ipifyResponse: IpifyResponse = try await fetchAPI(url: IpifyResponse.url)
            //...
        } catch {
            print(error.localizedDescription)
        }
    }
    RunLoop.main.run(until: Date.distantFuture)

alfianlosari

// 1
static func main() async {
    // 2
    do {
        // 3
        let ipifyResponse: IpifyResponse = try await fetchAPI(url: IpifyResponse.url)
        print("Resp: \(ipifyResponse)")

        // 4
        let freeGeoIpResponse: FreeGeoIPResponse = try await fetchAPI(url: FreeGeoIPResponse.url(ipAddress: ipifyResponse.ip))

alfianlosari

// 1
func fetchAPI<D: Decodable>(url: URL) async throws -> D {
    // 2
    let task = Task { () -> D in
        // 3
        let data = try Data(contentsOf: url)
        let decodedData = try JSONDecoder().decode(D.self, from: data)
        return decodedData
    }
    // 4

alfianlosari

extension Task where Failure == Never {
    public init(priority: TaskPriority? = nil, operation: @escaping @Sendable () async -> Success)
    public init(priority: TaskPriority? = nil, operation: @escaping @Sendable () async throws -> Success)
}