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packages/effects/hooks/src/use-pagination.ts

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+import type { Ref } from 'vue';
+
+import { computed, ref, unref } from 'vue';
+
+/**
+ * Paginates an array of items
+ * @param list The array to paginate
+ * @param pageNo The current page number (1-based)
+ * @param pageSize Number of items per page
+ * @returns Paginated array slice
+ * @throws {Error} If pageNo or pageSize are invalid
+ */
+function pagination<T = any>(list: T[], pageNo: number, pageSize: number): T[] {
+  if (pageNo < 1) throw new Error('Page number must be positive');
+  if (pageSize < 1) throw new Error('Page size must be positive');
+
+  const offset = (pageNo - 1) * Number(pageSize);
+  const ret =
+    offset + pageSize >= list.length
+      ? list.slice(offset)
+      : list.slice(offset, offset + pageSize);
+  return ret;
+}
+
+export function usePagination<T = any>(list: Ref<T[]>, pageSize: number) {
+  const currentPage = ref(1);
+  const pageSizeRef = ref(pageSize);
+
+  const totalPages = computed(() =>
+    Math.ceil(unref(list).length / unref(pageSizeRef)),
+  );
+
+  const paginationList = computed(() => {
+    return pagination(unref(list), unref(currentPage), unref(pageSizeRef));
+  });
+
+  const total = computed(() => {
+    return unref(list).length;
+  });
+
+  function setCurrentPage(page: number) {
+    if (page < 1 || page > unref(totalPages)) {
+      throw new Error('Invalid page number');
+    }
+    currentPage.value = page;
+  }
+
+  function setPageSize(pageSize: number) {
+    if (pageSize < 1) {
+      throw new Error('Page size must be positive');
+    }
+    pageSizeRef.value = pageSize;
+    // Reset to first page to prevent invalid state
+    currentPage.value = 1;
+  }
+
+  return { setCurrentPage, total, setPageSize, paginationList };
+}