crystal.react.hooks.SerialState.scala Maven / Gradle / Ivy
// Copyright (c) 2016-2023 Association of Universities for Research in Astronomy, Inc. (AURA)
// For license information see LICENSE or https://opensource.org/licenses/BSD-3-Clause
package crystal.react.hooks
import japgolly.scalajs.react.Reusability
case class SerialState[A] private (
protected[hooks] val value: A,
protected[hooks] val serial: Int = Int.MinValue
) {
def update(f: A => A): SerialState[A] = SerialState(f(value), serial + 1)
}
object SerialState {
def initial[A](value: A): SerialState[A] = SerialState(value)
given [A]: Reusability[SerialState[A]] = Reusability.by(_.serial)
}