Function useThumbnailUrl

useThumbnailUrl(
    profileId: string | null | undefined,
    bucket: string | null | undefined,
    entry: ObjectEntry,
): string | null
Returns a loopback thumbnail URL for image entries, or null for non-image entries and while the URL is being fetched.

Mounts: calls mediaRegister to mint a signed session token. Unmounts: calls mediaRevoke to free the token.

Returns null immediately for non-image entries (no media call).
Parameters
- profileId: string | null | undefined
  Profile whose credentials service the S3 request.
- bucket: string | null | undefined
  S3 bucket containing the entry.
- entry: ObjectEntry
  The listing entry to thumbnail.
Returns string | null
- Defined in src/lib/thumbnail.ts:70