Created
March 26, 2018 07:20
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A series of extensions for future me.
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import UIKit | |
import RxSwift | |
import Moya | |
import ObjectMapper | |
extension UIView { | |
func loadNib<T: UIView>() -> T { | |
guard let view = Bundle.main.loadNibNamed(String(describing: T.self), owner: self, options: [:])?.first as? T else { | |
fatalError("Could not init NIB named: \(String(describing: T.self))") | |
} | |
return view | |
} | |
} | |
extension UITableView { | |
func dequeueReusableCell<T: UITableViewCell>(forIndexPath indexPath: IndexPath) -> T { | |
guard let cell = dequeueReusableCell(withIdentifier: String(describing: T.self), for: indexPath) as? T else { | |
fatalError("Could not dequeue cell with identifier: \(String(describing: T.self))") | |
} | |
return cell | |
} | |
} | |
extension UICollectionView { | |
func dequeueReusableCell<T: UICollectionViewCell>(forIndexPath indexPath: IndexPath) -> T { | |
guard let cell = dequeueReusableCell(withReuseIdentifier: String(describing: T.self), for: indexPath) as? T else{ | |
fatalError("Could not dequeue cell with identifier: \(String(describing: T.self))") | |
} | |
return cell | |
} | |
} | |
protocol StoryboardIdentifiable { | |
static var storyboardIdentifier: String { get } | |
} | |
extension StoryboardIdentifiable where Self: UIViewController { | |
static var storyboardIdentifier: String { | |
return String(describing: self) | |
} | |
} | |
extension UIViewController : StoryboardIdentifiable { } | |
extension ObservableType where E == Response { | |
func mapNestedArray<T: Mappable>(type: T.Type, in key: String) -> Observable<[T]> { | |
return map { response -> Response in | |
guard let json = try? response.mapJSON() as? NSDictionary, | |
let data = json?[key], | |
let newData = try? JSONSerialization.data(withJSONObject: data, options: JSONSerialization.WritingOptions.prettyPrinted) else { | |
return response | |
} | |
let newResponse = Response(statusCode: response.statusCode, data: newData, response: response.response) | |
return newResponse | |
} | |
.mapArray(type) | |
} | |
} | |
extension PrimitiveSequence where E == Response { | |
func mapNestedArray<T: Mappable>(type: T.Type, in key: String) -> Observable<[T]> { | |
return asObservable().map { response -> Response in | |
guard let json = try? response.mapJSON() as? NSDictionary, | |
let data = json?[key], | |
let newData = try? JSONSerialization.data(withJSONObject: data, options: JSONSerialization.WritingOptions.prettyPrinted) else { | |
return response | |
} | |
let newResponse = Response(statusCode: response.statusCode, data: newData, response: response.response) | |
return newResponse | |
} | |
.mapArray(type) | |
} | |
} |
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