Function initialize

packages/core/src/system-context/index.ts:198–206

(value: SystemContext)

/** Creates the immutable baseline and durable snapshot for a new generation. */
export function initialize(value: SystemContext): Effect.Effect<Generation, InitializationBlocked> {
  return observe(value).pipe(
    Effect.flatMap((entries) => {
      const unavailable = entries.flatMap((entry) => (entry._tag === "Unavailable" ? [entry.key] : []))
      if (unavailable.length > 0) return new InitializationBlocked({ keys: unavailable })
      return Effect.succeed(initializeObservation(entries))
    }),
  )
}

function initializeObservation(entries: ReadonlyArray<Entry>): Generation {
  const available = entries.filter((entry): entry is AvailableEntry => entry._tag === "Available")