koingdev

import UIKit
import Foundation

func generateQR(from string: String) -> Data? {
	
	let data = string.data(using: String.Encoding.utf8)
	
	guard let qrFilter = CIFilter(name: "CIQRCodeGenerator") else { return nil }
	qrFilter.setValue(data, forKey: "inputMessage")
	

koingdev

// From this
didFinishLoading = { [weak self] in
    guard let self = self else { return }
    self.tableView.reloadData()
}

// To this
didFinishLoading = weaker(self) { s in
    // No more boilerplate code :)
    s.tableView.reloadData()

koingdev

/**	Handle UIControl event closure-base instead of (target/action)

	Example:
	```swift
	// Button
	button.on(.touchUpInside) { btn in
		print("Button clicked")
	}
	// TextField
	textField.on(.editingChanged) { tf in

koingdev

/**
Flexible and faster way to style your View

Example:
```swift
let label = UILabel()
label.styling(UIColor.blue.style, UIFont.boldSystemFont(ofSize: 18).style)
```
*/
protocol UIComponentStyler: AnyObject {

koingdev

/// Return a new function that will be called only once after `delay` time passed between invocation
func debounce(delay: TimeInterval, queue: DispatchQueue = .main, function: @escaping () -> Void) -> () -> Void {
	var currentWorkItem: DispatchWorkItem?
	return {
		currentWorkItem?.cancel()
		currentWorkItem = DispatchWorkItem { function() }
		queue.asyncAfter(deadline: .now() + delay, execute: currentWorkItem!)
	}
}

koingdev

/**
Builder Pattern way to write AutoLayout code

Example:
```swift
AutoLayoutBuilder(button)
	.bottomTo(view.layoutMarginsGuide.bottomAnchor)
	.centerXTo(view.centerXAnchor)
	.width(value: button.width)
	.height(value: button.height)

koingdev

func dPrint(_ item: Any) {
	#if DEBUG
		Swift.print(item)
	#endif
}

final class Log {
	
	private enum LogType: String {
		case error = "[⛔️]"

koingdev

import Reachability

final class NetworkListener {
	
	private let notification = Notification.Name("NetworkListenerStatusDidChanged")
	private let reachability: Reachability!
	/// Return true if connected to Internet
	private(set) var isConnected: Bool!
	
	init() {

koingdev

extension UIAlertController {
	
	// MARK: - Typealias
	
	typealias Alert = UIAlertController
	typealias Action = UIAlertAction
	typealias Block = ((Alert) -> Void)?
	
	// MARK: - Static function
	

koingdev

extension Optional where Wrapped == String {
	
	var orEmpty: Wrapped {
		return self ?? ""
	}
	
	var isNullOrEmpty: Bool {
		return self?.isEmpty ?? true
	}