darrarski

extension View {
  @ViewBuilder func modify<Modified: View>(
    if condition: @autoclosure () -> Bool,
    then transform: (Self) -> Modified
  ) -> some View {
    if condition() {
      transform(self)
    } else {
      self
    }

darrarski

import SwiftUI

func IfLet<T, ThenOut: View>(
  _ value: T?,
  then: (T) -> ThenOut
) -> some View {
  ViewBuilder.buildIf(value.map { then($0) })
}

func IfLet<T, ThenOut: View, ElseOut: View>(

darrarski

//
//  Created by Dariusz Rybicki on 17/04/16.
//  Copyright © 2016 Darrarski. All rights reserved.
//

#import <Foundation/Foundation.h>

/**
 Returns number of seconds since system became idle
 

darrarski

protocol CaseTogglable {}

extension CaseTogglable where Self: CaseIterable, Self: Equatable {
  mutating func toggle() {
    assert(Self.allCases.isEmpty == false, "CaseTogglable cannot be applied to an enum with no cases!")
    let index = Self.allCases.firstIndex(of: self)!
    let nextIndex = Self.allCases.index(after: index)
    if nextIndex < Self.allCases.endIndex {
      self = Self.allCases[nextIndex]
    } else {

darrarski

protocol CaseSwitchable: CaseIterable, Equatable {}

extension CaseSwitchable {
  mutating func `switch`() {
    self = next()
  }

  func next() -> Self {
    self.next() ?? Self.allCases.first!
  }

darrarski

import SwiftUI

public final class DeviceOrientationObserver: ObservableObject {
  public init(notificationCenter: NotificationCenter = .default) {
    observation = notificationCenter.addObserver(
      forName: UIDevice.orientationDidChangeNotification,
      object: nil,
      queue: .main,
      using: { [weak self] notification in
        self?.value = (notification.object as? UIDevice)?.orientation ?? .unknown

darrarski

import CoreMotion
import SwiftUI

public final class DeviceOrientationObserver: ObservableObject {
  public init() {
    manager.startAccelerometerUpdates(to: OperationQueue.main) { [weak self] data, error in
      guard error == nil, let acceleration = data?.acceleration else {
        self?.value = .unknown
        return
      }

darrarski

import Combine

public final class SimplePublisher<Output, Failure>: Publisher where Failure: Error {
    public init(_ closure: @escaping (Receiver<Output, Failure>) -> Disposable) {
        self.closure = closure
    }

    public func receive<S>(subscriber: S) where S: Subscriber, S.Input == Output, S.Failure == Failure {
        subscriber.receive(subscription: Subscription(subscriber: subscriber, closure: closure))
    }

darrarski

import Quick
import Nimble

class CodableDecimalSpec: QuickSpec {
    override func spec() {
        context("encode Model to JSON") {
            var model: Model!
            var json: [String: String]?

            beforeEach {

darrarski

import SwiftUI

extension View {
  func geometryReader<Geometry: Codable>(
    geometry: @escaping (GeometryProxy) -> Geometry,
    onChange: @escaping (Geometry) -> Void
  ) -> some View {
    modifier(GeometryReaderViewModifier(
      geometry: geometry,
      onChange: onChange