Function getCombinedPageLayout

public/js/fileListView.js:1989–2021

({ totalFolders, totalFiles, itemsPerPage, targetPage })

}

function getCombinedPageLayout({ totalFolders, totalFiles, itemsPerPage, targetPage }) {
  const folderCount = Number.isFinite(Number(totalFolders)) ? Math.max(0, Number(totalFolders)) : 0;
  const fileCount = Number.isFinite(Number(totalFiles)) ? Math.max(0, Number(totalFiles)) : 0;
  const itemsRaw = Number(itemsPerPage);
  const pageSize = Number.isFinite(itemsRaw) && itemsRaw > 0 ? Math.max(1, Math.floor(itemsRaw)) : 50;
  const totalRows = folderCount + fileCount;
  const totalPages = Math.max(1, Math.ceil(totalRows / pageSize) || 1);
  const targetRaw = Number(targetPage);
  const page = Number.isFinite(targetRaw)
    ? Math.max(1, Math.min(totalPages, Math.floor(targetRaw)))
    : 1;
  const startRow = (page - 1) * pageSize;
  const endRow = Math.min(totalRows, startRow + pageSize);

  const folderStart = Math.min(folderCount, startRow);
  const folderEnd = Math.min(folderCount, endRow);
  const folderCountOnPage = Math.max(0, folderEnd - folderStart);

  const fileStart = Math.max(0, startRow - folderCount);
  const fileEnd = Math.max(0, endRow - folderCount);
  const fileCountOnPage = Math.max(0, fileEnd - fileStart);

  return {
    page,
    totalPages,
    pageSize,
    totalRows,
    folderStart,
    folderCount: folderCountOnPage,
    fileStart,
    fileCount: fileCountOnPage
  };
}

function resolveServerPagingCursorForLoad({ pane, folder, sourceId, requestedCursor }) {
  if (requestedCursor != null) {