Jason Larsen jarsen
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| //: Playground - noun: a place where people can play | |
| import UIKit | |
| enum JSONError : ErrorType { | |
| case NoValueForKey(String) | |
| case TypeMismatch | |
| } | |
| public class JSONObject { |
jarsen
/ Fetcher.Swift
Created
June 29, 2015 17:15
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| // .-' | |
| // '--./ / _.---. | |
| // '-, (__..-` \ | |
| // \ . | | |
| // `,.__. ,__.--/ | |
| // '._/_.'___.-` | |
| import Foundation | |
| import ReactiveCocoa | |
| import Orcinus |
jarsen
/ PersistenceController.swift
Created
July 6, 2015 20:55
based off of Marcus Zarra's work here http://martiancraft.com/blog/2015/03/core-data-stack/
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| // .-' | |
| // '--./ / _.---. | |
| // '-, (__..-` \ | |
| // \ . | | |
| // `,.__. ,__.--/ | |
| // '._/_.'___.-` | |
| import Foundation | |
| import CoreData |
jarsen
/ Debuggable.swift
Last active
August 3, 2017 21:16
conform to this protocol and get a debugPrint for free
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| protocol Debuggable { | |
| var debug: Bool { get set } | |
| func debugPrint(message: String) | |
| } | |
| extension Debuggable { | |
| func debugPrint(message: String) { | |
| if debug { | |
| print(message) | |
| } |
jarsen
/ attemptMap.swift
Created
July 13, 2015 16:59
attemptMap for Reactive Cocoa that deals with `throws`
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| func attemptMap<T, U>(operation: T throws -> U) -> ReactiveCocoa.Signal<T, NSError> -> ReactiveCocoa.Signal<U, NSError> { | |
| return { signal in | |
| return Signal { observer in | |
| signal.observe(next: { value in | |
| do { | |
| sendNext(observer, try operation(value)) | |
| } | |
| catch { | |
| sendError(observer, error as NSError) |
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| func keyboardWillShow(notification: NSNotification) { | |
| print("Showing keyboard") | |
| guard let userInfo = notification.userInfo, | |
| rectValue = userInfo[UIKeyboardFrameEndUserInfoKey] as? NSValue, | |
| rawCurve = userInfo[UIKeyboardAnimationCurveUserInfoKey] as? UInt, | |
| duration = userInfo[UIKeyboardAnimationDurationUserInfoKey] as? Double else { | |
| return | |
| } | |
| let keyboardFrame = rectValue.CGRectValue() |
jarsen
/ magiclessJarSONv3.swift
Last active
October 7, 2015 18:44
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| // MARK: - Keys | |
| import Foundation | |
| public protocol JSONKeyType { | |
| var JSONKey: String { get } | |
| } | |
| extension String: JSONKeyType { | |
| public var JSONKey: String { |
jarsen
/ JaSON.swift
Last active
November 10, 2016 00:14
JSON Value Extraction in Swift. Blog post here http://jasonlarsen.me/2015/10/16/no-magic-json-pt3.html
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| import Foundation | |
| // | |
| // MARK: - JSONError Type | |
| // | |
| public enum JSONError: ErrorType, CustomStringConvertible { | |
| case KeyNotFound(key: JSONKeyType) | |
| case NullValue(key: JSONKeyType) | |
| case TypeMismatch(expected: Any, actual: Any) |
jarsen
/ where.swift
Created
November 16, 2015 16:41
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| import UIKit | |
| enum MyError: ErrorType { | |
| case Oooggh(String) | |
| } | |
| func errorProne() throws { | |
| throw MyError.Oooggh("nope") | |
| } |
jarsen
/ StoryboardInstantiable.swift
Created
December 15, 2015 23:31
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| protocol StoryboardInstantiable { | |
| static var storyboardName: String { get } | |
| static var storyboardIdentifier: String { get } | |
| } | |
| extension StoryboardInstantiable { | |
| static func instantiateFromStoryboard() -> Self { | |
| let storyboard = UIStoryboard(name: storyboardName, bundle: nil) | |
| guard let vc = storyboard.instantiateViewControllerWithIdentifier(storyboardIdentifier) as? Self else { | |
| fatalError("Instantiated view controller does not match type") |