Import with empty array fails

Description

Calling the import function with an empty array fails.

Steps to reproduce

Initialize a collection and try to call import with an empty array:

const documents = [];

return await tsClient
  .collections<T>('testcollection')
  .documents()
  .import(documents); // this fails

Expected Behavior

It doesn't fail.

Actual Behavior

It fails with this error:

/Users/<path-to-project>/node_modules/typesense/src/Typesense/Documents.ts:342
        .map((r) => JSON.parse(r)) as ImportResponse[];
         ^
SyntaxError: Unexpected end of JSON input
    at JSON.parse (<anonymous>)
    at /Users/<path-to-project>/node_modules/typesense/src/Typesense/Documents.ts:342:26
    at Array.map (<anonymous>)
    at Documents.<anonymous> (/Users/<path-to-project>/node_modules/typesense/src/Typesense/Documents.ts:342:10)
    at step (/Users/<path-to-project>/node_modules/typesense/lib/Typesense/Documents.js:48:23)
    at Object.next (/Users/<path-to-project>/node_modules/typesense/lib/Typesense/Documents.js:29:53)
    at fulfilled (/Users/<path-to-project>/node_modules/typesense/lib/Typesense/Documents.js:20:58)
    at processTicksAndRejections (node:internal/process/task_queues:95:5)

Metadata

Typesense Version: 0.25.1

OS: Run in Docker

Start in src/Typesense/Documents.ts around line 342, where the import response is parsed, and reproduce the issue with the empty documents array from the report. The work is complete when importing an empty array no longer fails with an unexpected-end-of-JSON error.