waitForHittable Swift UI Test

waitForHittable.swift

    static func waitForHittable(_ element: XCUIElement, timeout: TimeInterval) -> Bool {
        let startTime = Date().timeIntervalSinceReferenceDate
        let remainingTime = { () -> Double in 
            let diff = timeout - (Date().timeIntervalSinceReferenceDate - startTime)
            return diff > 0 ? diff : 0
        }
        if element.waitForExistence(timeout: remainingTime()) {
            repeat {
                if element.isHittable {
                    return true
                }
                sleep(1)
            }
            while remainingTime() > 0
        }
        return false
    }