Class Track

packages/effect/src/internal/supervisor.ts:135–182

/** @internal */
export class Track implements Supervisor.Supervisor<Array<Fiber.RuntimeFiber<any, any>>> {
  readonly [SupervisorTypeId] = supervisorVariance

  readonly fibers: Set<Fiber.RuntimeFiber<any, any>> = new Set()

  get value(): Effect.Effect<Array<Fiber.RuntimeFiber<any, any>>> {
    return core.sync(() => Array.from(this.fibers))
  }

  onStart<A, E, R>(
    _context: Context.Context<R>,
    _effect: Effect.Effect<A, E, R>,
    _parent: Option.Option<Fiber.RuntimeFiber<any, any>>,
    fiber: Fiber.RuntimeFiber<A, E>
  ): void {
    this.fibers.add(fiber)
  }

  onEnd<A, E>(_value: Exit.Exit<A, E>, fiber: Fiber.RuntimeFiber<A, E>): void {
    this.fibers.delete(fiber)
  }

  onEffect<A, E>(_fiber: Fiber.RuntimeFiber<A, E>, _effect: Effect.Effect<any, any, any>): void {
    //
  }

  onSuspend<A, E>(_fiber: Fiber.RuntimeFiber<A, E>): void {
    //
  }

  onResume<A, E>(_fiber: Fiber.RuntimeFiber<A, E>): void {
    //
  }

  map<B>(f: (a: Array<Fiber.RuntimeFiber<any, any>>) => B): Supervisor.Supervisor<B> {
    return new ProxySupervisor(this, pipe(this.value, core.map(f)))
  }

  zip<A>(
    right: Supervisor.Supervisor<A>
  ): Supervisor.Supervisor<[Array<Fiber.RuntimeFiber<any, any>>, A]> {
    return new Zip(this, right)
  }

  onRun<E, A, X>(execution: () => X, _fiber: Fiber.RuntimeFiber<A, E>): X {
    return execution()
  }
}

/** @internal */
export class Const<out T> implements Supervisor.Supervisor<T> {