Function fetchExistingUploads

public/js/upload.js:707–731

(payload, retry = true)

}

async function fetchExistingUploads(payload, retry = true) {
  try {
    const res = await fetch(CHECK_EXISTING_URL, {
      method: 'POST',
      credentials: 'include',
      headers: {
        'Content-Type': 'application/json',
        'X-CSRF-Token': window.csrfToken || ''
      },
      body: JSON.stringify(payload)
    });
    const data = await res.json().catch(() => null);
    if (data && data.csrf_expired && data.csrf_token && retry) {
      window.csrfToken = data.csrf_token;
      return fetchExistingUploads(payload, false);
    }
    if (!res.ok || !data || typeof data !== 'object' || data.error) {
      return null;
    }
    return data;
  } catch (e) {
    console.warn('Upload existence check failed:', e);
    return null;
  }
}

async function filterExistingUploads(files) {
  const result = { files, autoStart: false };