Function getEventS3Uris

packages/aws-lambda/src/handler.ts:482–493

Collect every S3 URI that the handler will touch for a given event.

(event: PlanEvent | RenderChunkEvent | AssembleEvent)

/** Collect every S3 URI that the handler will touch for a given event. */
function getEventS3Uris(event: PlanEvent | RenderChunkEvent | AssembleEvent): string[] {
  switch (event.Action) {
    case "plan":
      return [event.ProjectS3Uri, event.PlanOutputS3Prefix];
    case "renderChunk":
      return [event.PlanS3Uri, event.ChunkOutputS3Prefix];
    case "assemble":
      return [event.PlanS3Uri, ...event.ChunkS3Uris, event.OutputS3Uri, event.AudioS3Uri].filter(
        (u): u is string => u != null,
      );
  }
}

/**
 * Verify every S3 URI in the event resolves to the configured render bucket.