Release v1.5.10

src/web/lib/pagination.js

@@ -17,6 +17,29 @@ function buildQueryString(query) {
   return queryString ? `?${queryString}` : '';
 }
 
+function buildPaginationPages(totalPages, currentPage, pageParam, queryState, maxVisiblePages) {
+  const pages = [];
+  const visiblePageCount = Math.max(1, Math.min(Number(maxVisiblePages) || 7, totalPages));
+  let startPage = Math.max(1, currentPage - Math.floor(visiblePageCount / 2));
+  let endPage = startPage + visiblePageCount - 1;
+
+  if (endPage > totalPages) {
+    endPage = totalPages;
+    startPage = Math.max(1, endPage - visiblePageCount + 1);
+  }
+
+  for (let pageNumber = startPage; pageNumber <= endPage; pageNumber += 1) {
+    const nextQuery = Object.assign({}, queryState, { [pageParam]: pageNumber });
+    pages.push({
+      number: pageNumber,
+      active: pageNumber === currentPage,
+      url: buildQueryString(nextQuery)
+    });
+  }
+
+  return pages;
+}
+
 function buildPagination(totalItems, currentPage, pageParam, queryState, pageSize, itemLabel, ariaLabel) {
   const normalizedPageParam = String(pageParam || 'page').trim() || 'page';
   const normalizedPageSize = Math.max(1, Number(pageSize) || 10);
@@ -24,16 +47,7 @@ function buildPagination(totalItems, currentPage, pageParam, queryState, pageSiz
   const safeCurrentPage = Math.min(normalizePageNumber(currentPage), totalPages);
   const startIndex = totalItems <= 0 ? 0 : (safeCurrentPage - 1) * normalizedPageSize;
   const endIndex = totalItems <= 0 ? 0 : Math.min(totalItems, startIndex + normalizedPageSize);
-  const pages = [];
-
-  for (let pageNumber = 1; pageNumber <= totalPages; pageNumber += 1) {
-    const nextQuery = Object.assign({}, queryState, { [normalizedPageParam]: pageNumber });
-    pages.push({
-      number: pageNumber,
-      active: pageNumber === safeCurrentPage,
-      url: buildQueryString(nextQuery)
-    });
-  }
+  const pages = buildPaginationPages(totalPages, safeCurrentPage, normalizedPageParam, queryState, 7);
 
   const previousQuery = Object.assign({}, queryState, { [normalizedPageParam]: safeCurrentPage - 1 });
   const nextQuery = Object.assign({}, queryState, { [normalizedPageParam]: safeCurrentPage + 1 });
@@ -60,5 +74,6 @@ function buildPagination(totalItems, currentPage, pageParam, queryState, pageSiz
 module.exports = {
   normalizePageNumber,
   buildQueryString,
+  buildPaginationPages,
   buildPagination
 };