nearfri

extension URL {
    // https://apple.com -> https://apple.com
    // https://애플.com -> https://xn--9e5bq00a.com
    // https://apple.wow -> https://apple.wow
    // apple.com -> http://apple.com
    // 애플.com -> http://xn--9e5bq00a.com
    // apple.wow -> nil
    // apple -> nil
    init?(link: String) {
        let checkingType = NSTextCheckingResult.CheckingType.link

nearfri

extension UIApplication {
    fileprivate static var _firstResponder: UIResponder?
    
    public var firstResponder: UIResponder? {
        Self._firstResponder = nil
        
        sendAction(#selector(findFirstResponder), to: nil, from: nil, for: nil)
        
        return Self._firstResponder
    }

nearfri

// ModelID or TypedID 🤔
public struct ModelID<Model, RawValue>: RawRepresentable {
    public let rawValue: RawValue
    
    public init(rawValue: RawValue) {
        self.rawValue = rawValue
    }
    
    public init(_ rawValue: RawValue) {
        self.init(rawValue: rawValue)

nearfri

@propertyWrapper
@dynamicMemberLookup
public struct PlainBinding<Value> {
    private let get: () -> Value
    private let set: (Value) -> Void
    
    public init(get: @escaping () -> Value, set: @escaping (Value) -> Void) {
        self.get = get
        self.set = set
    }

nearfri

enum Bash {
    @discardableResult
    static func execute(command: String, arguments: [String] = []) throws -> String {
        let path = try execute(path: "/bin/bash", arguments: ["-lc", "which \(command)"])
            .trimmingCharacters(in: CharacterSet.whitespacesAndNewlines)
        return try execute(path: path, arguments: arguments)
    }
    
    @discardableResult
    static func execute(path: String, arguments: [String] = []) throws -> String {

nearfri

public protocol CustomTypedNotification: TypedNotification {}

extension CustomTypedNotification {
    public static var name: Notification.Name {
        return .init(String(reflecting: self))
    }
    
    public static func generate(from notification: Notification) -> Self {
        let notificatonKey = TypedUserInfo.notificationUserInfoKey
        

nearfri

import Foundation

// Inspired by https://medium.com/developermind/using-channels-for-data-flow-in-swift-14bbdf27b471

public class EventChannel<Value> {
    private typealias SubscriptionID = ObjectIdentifier
    
    private var subscriptions: [SubscriptionID: Subscription] = [:]
    
    public init() {}

nearfri

import Foundation

// ref.: https://github.com/apple/swift/blob/master/stdlib/public/Darwin/Foundation/NSObject.swift

public struct KVOChange<Value> {
    public typealias Kind = NSKeyValueChange
    
    let kind: Kind
    let newValue: Value?