done

package.json

@@ -11,11 +11,12 @@
     "classnames": "^2.5.1",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
+    "react-router-dom": "^7.18.0",
     "react-transition-group": "^4.4.5"
   },
   "devDependencies": {
     "@cypress/react18": "^2.0.1",
-    "@mate-academy/scripts": "^1.9.12",
+    "@mate-academy/scripts": "^2.1.3",
     "@mate-academy/students-ts-config": "*",
     "@mate-academy/stylelint-config": "*",
     "@types/node": "^20.14.10",

src/App.tsx

@@ -1,25 +1,48 @@
 import React from 'react';
 import './App.css';
 import { getNumbers } from './utils';
+import { useSearchParams } from 'react-router-dom';
+import Pagination from './components/Pagination/Pagination';
 
-// eslint-disable-next-line @typescript-eslint/no-unused-vars
 const items = getNumbers(1, 42).map(n => `Item ${n}`);
 
-export const App: React.FC = () => {
+const App: React.FC = () => {
+  const [searchParams, setSearchParams] = useSearchParams();
+
+  const currentPage = Number(searchParams.get('page')) || 1;
+  const perPage = Number(searchParams.get('perPage')) || 5;
+
+  const total = items.length;
+
+  const startIndex = (currentPage - 1) * perPage;
+  const endIndex = startIndex + perPage;
+
+  const visibleItems = items.slice(startIndex, endIndex);
+
+  const updateParams = (page: number, perPageValue: number) => {
+    setSearchParams({
+      page: String(page),
+      perPage: String(perPageValue),
+    });
+  };
+
   return (
     <div className="container">
       <h1>Items with Pagination</h1>
 
       <p className="lead" data-cy="info">
-        Page 1 (items 1 - 5 of 42)
+        Page {currentPage} (items {total === 0 ? 0 : startIndex + 1} -{' '}
+        {Math.min(endIndex, total)} of {total})
       </p>
 
       <div className="form-group row">
         <div className="col-3 col-sm-2 col-xl-1">
           <select
             data-cy="perPageSelector"
-            id="perPageSelector"
-            className="form-control">
+            className="form-control"
+            value={perPage}
+            onChange={e => updateParams(1, Number(e.target.value))}
+          >
             <option value="3">3</option>
             <option value="5">5</option>
             <option value="10">10</option>
@@ -32,78 +55,19 @@ export const App: React.FC = () => {
         </label>
       </div>
 
-      {/* Move this markup to Pagination */}
-      <ul className="pagination">
-        <li className="page-item disabled">
-          <a
-            data-cy="prevLink"
-            className="page-link"
-            href="#prev"
-            aria-disabled="true">
-            «
-          </a>
-        </li>
-        <li className="page-item active">
-          <a data-cy="pageLink" className="page-link" href="#1">
-            1
-          </a>
-        </li>
-        <li className="page-item">
-          <a data-cy="pageLink" className="page-link" href="#2">
-            2
-          </a>
-        </li>
-        <li className="page-item">
-          <a data-cy="pageLink" className="page-link" href="#3">
-            3
-          </a>
-        </li>
-        <li className="page-item">
-          <a data-cy="pageLink" className="page-link" href="#4">
-            4
-          </a>
-        </li>
-        <li className="page-item">
-          <a data-cy="pageLink" className="page-link" href="#5">
-            5
-          </a>
-        </li>
-        <li className="page-item">
-          <a data-cy="pageLink" className="page-link" href="#6">
-            6
-          </a>
-        </li>
-        <li className="page-item">
-          <a data-cy="pageLink" className="page-link" href="#7">
-            7
-          </a>
-        </li>
-        <li className="page-item">
-          <a data-cy="pageLink" className="page-link" href="#8">
-            8
-          </a>
-        </li>
-        <li className="page-item">
-          <a data-cy="pageLink" className="page-link" href="#9">
-            9
-          </a>
-        </li>
-        <li className="page-item">
-          <a
-            data-cy="nextLink"
-            className="page-link"
-            href="#next"
-            aria-disabled="false">
-            »
-          </a>
-        </li>
-      </ul>
+      <Pagination
+        total={total}
+        perPage={perPage}
+        currentPage={currentPage}
+        onPageChange={page => updateParams(page, perPage)}
+      />
+
       <ul>
-        <li data-cy="item">Item 1</li>
-        <li data-cy="item">Item 2</li>
-        <li data-cy="item">Item 3</li>
-        <li data-cy="item">Item 4</li>
-        <li data-cy="item">Item 5</li>
+        {visibleItems.map((item, i) => (
+          <li key={i} data-cy="item">
+            {item}
+          </li>
+        ))}
       </ul>
     </div>
   );

src/components/Pagination/Pagination.tsx

@@ -1 +1,84 @@
-export const Pagination = () => {};
+import React from 'react';
+
+type Props = {
+  total: number;
+  perPage: number;
+  currentPage?: number;
+  onPageChange: (page: number) => void;
+};
+
+const Pagination: React.FC<Props> = ({
+  total,
+  perPage,
+  currentPage = 1,
+  onPageChange,
+}) => {
+  const totalPages = Math.ceil(total / perPage);
+  const pages = Array.from({ length: totalPages }, (_, i) => i + 1);
+
+  return (
+    <ul className="pagination">
+      {/* PREV */}
+      <li className={`page-item ${currentPage === 1 ? 'disabled' : ''}`}>
+        <a
+          data-cy="prevLink"
+          className="page-link"
+          href="#prev"
+          aria-disabled={currentPage === 1}
+          onClick={e => {
+            e.preventDefault();
+            if (currentPage > 1) {
+              onPageChange(currentPage - 1);
+            }
+          }}
+        >
+          «
+        </a>
+      </li>
+
+      {/* PAGES */}
+      {pages.map(page => (
+        <li
+          key={page}
+          className={`page-item ${currentPage === page ? 'active' : ''}`}
+        >
+          <a
+            data-cy="pageLink"
+            className="page-link"
+            href={`#${page}`}
+            onClick={e => {
+              e.preventDefault();
+              if (page !== currentPage) {
+                onPageChange(page);
+              }
+            }}
+          >
+            {page}
+          </a>
+        </li>
+      ))}
+
+      {/* NEXT */}
+      <li
+        className={`page-item ${currentPage === totalPages ? 'disabled' : ''}`}
+      >
+        <a
+          data-cy="nextLink"
+          className="page-link"
+          href="#next"
+          aria-disabled={currentPage === totalPages}
+          onClick={e => {
+            e.preventDefault();
+            if (currentPage < totalPages) {
+              onPageChange(currentPage + 1);
+            }
+          }}
+        >
+          »
+        </a>
+      </li>
+    </ul>
+  );
+};
+
+export default Pagination;

src/index.tsx

@@ -1,5 +1,9 @@
-import { createRoot } from 'react-dom/client';
+import ReactDOM from 'react-dom/client';
+import { BrowserRouter } from 'react-router-dom';
+import App from './App';
 
-import { App } from './App';
-
-createRoot(document.getElementById('root') as HTMLElement).render(<App />);
+ReactDOM.createRoot(document.getElementById('root')!).render(
+  <BrowserRouter>
+    <App />
+  </BrowserRouter>,
+);