Function unstable_runWithPriority

packages/scheduler/src/forks/SchedulerPostTask.js:181–192

(
  priorityLevel: PriorityLevel,
  callback: () => T,
)

}

export function unstable_runWithPriority<T>(
  priorityLevel: PriorityLevel,
  callback: () => T,
): T {
  const previousPriorityLevel = currentPriorityLevel_DEPRECATED;
  currentPriorityLevel_DEPRECATED = priorityLevel;
  try {
    return callback();
  } finally {
    currentPriorityLevel_DEPRECATED = previousPriorityLevel;
  }
}

export function unstable_getCurrentPriorityLevel(): PriorityLevel {
  return currentPriorityLevel_DEPRECATED;