Function findSplatSourceById

src/utils/splatFileSourcePolicy.ts:25–35

(
  loadedFiles: LoadedFiles | null,
  sourceId: string
)

/** Find a splat source by id, path, or downloaded file name. */
export function findSplatSourceById(
  loadedFiles: LoadedFiles | null,
  sourceId: string
): SplatFileSource | undefined {
  const target = normalizeSplatSourceId(sourceId);
  return loadedFiles?.splatFileSources?.find((source) =>
    [source.id, source.path, source.file?.name].some(
      (id) => id !== undefined && normalizeSplatSourceId(id) === target
    )
  );
}

/**
 * Make `sourceId` the active splat, attaching its freshly-fetched `file`, and