testUtil/japgolly.scalajs.react.test/ReactTestVarF

ReactTestVarF

class ReactTestVarF[F[_], A](val initialValue: A)(implicit val sync: Sync[F])

Houses a variable and provides React-like access to it.

Provides mock-like instances of the following:

  • Reusable functions
  • StateAccess
  • StateSnapshot
  • StateSnapshot with Reusability

It also keeps a log of changes, accessible via .history().

Type parameters:
A

The variable type.

Since:

0.11.0

Companion:
object
class Object
trait Matchable
class Any

Value members

Concrete methods

def history(): Vector[A]

Log of state values since initialised or last reset.

Log of state values since initialised or last reset.

Changes are ordered from oldest to newest.

The initial value is also included and is always the first element.

def modValue(f: A => A): Unit
def modValueOption(f: A => Option[A]): Unit
def onUpdate(callback: => Unit): Unit
def reset(): Unit
def resetData(): Unit
def resetListeners(): Unit
def setValue(a: A): Unit
def stateSnapshot(): StateSnapshot[A]
def stateSnapshotWithReuse()(implicit r: Reusability[A]): StateSnapshot[A]
override def toString: String
Definition Classes
Any
def value(): A

Concrete fields

val setStateFn: Reusable[A => F[Unit]]
val setStateOptionCBFn: Reusable[(Option[A], F[Unit]) => F[Unit]]
lazy val stateAccess: StateAccess[F, Async, A]

Implicits

Implicits

implicit val sync: Sync[F]