Function retainActiveFirst

src/utils/autonomyPersistence.ts:17–32

(
  records: readonly T[],
  isActive: (record: T) => boolean,
  getTimestamp: (record: T) => number,
  max: number,
)

 * consume it directly without re-sorting.
 */
export function retainActiveFirst<T>(
  records: readonly T[],
  isActive: (record: T) => boolean,
  getTimestamp: (record: T) => number,
  max: number,
): T[] {
  const sortDesc = (left: T, right: T) =>
    getTimestamp(right) - getTimestamp(left)
  const active = records.filter(isActive).slice().sort(sortDesc)
  const history = records
    .filter(record => !isActive(record))
    .slice()
    .sort(sortDesc)
    .slice(0, Math.max(0, max - active.length))
  return [...active, ...history].sort(sortDesc)
}

export function getAutonomyPersistenceLockCountForTests(): number {
  if (process.env.NODE_ENV !== 'test') {