AndreyAnt

func swizzleReplacingCharacters() {
        let originalMethod = class_getInstanceMethod(
            NSString.self, #selector(NSString.replacingCharacters(in:with:)))

        let swizzledMethod = class_getInstanceMethod(
            NSString.self, #selector(NSString.swizzledReplacingCharacters(in:with:)))

        guard let original = originalMethod, let swizzled = swizzledMethod else {
            return
        }

AndreyAnt

import Combine
import ObjectiveC
import UIKit

private var eventSubjectKey = "viewcontroller_lifecycle_subject"
private var swizzlingPerformed = false

private final class LifecycleSubjectBag: NSObject {
    let viewDidLoadSubject = PassthroughSubject<Void, Never>()
    let viewWillAppearSubject = PassthroughSubject<Bool, Never>()