"Timers" helper class for Swift with automatic memory management and intuitive API

Timers.swift

public final class Timers {
    
    private var timers: [Foundation.Timer] = []
    
    public init() { }
    
    public func clear() {
        for timer in timers {
            timer.invalidate()
        }
        timers = []
    }
    
    deinit {
        clear()
    }

    internal func addTimerManually(
        runLoop: RunLoop = .main,
        runLoopMode: RunLoop.Mode = .common,
        timer: Timer
    ) {
        runLoop.add(timer, forMode: runLoopMode)
        timers.append(timer)
    }

    public func addRepeating<TargetType: AnyObject>(
        timeInterval: TimeInterval,
        tolerance: TimeInterval = 0,
        withTarget target: TargetType,
        handler: @escaping (TargetType, Timer) -> Void
    ) {
        let newTimer = Timer(timeInterval: timeInterval, repeats: true) { [weak target] timer in
            if let target {
                handler(target, timer)
            }
        }
        newTimer.tolerance = tolerance
        addTimerManually(timer: newTimer)
    }
}