React-pagination TSX

package.json

@@ -11,11 +11,12 @@
     "classnames": "^2.5.1",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
+    "react-router-dom": "^7.13.1",
     "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 +1,53 @@
 import React from 'react';
 import './App.css';
 import { getNumbers } from './utils';
+import { Pagination } from './components/Pagination';
+import { useSearchParams } from 'react-router-dom';
 
-// eslint-disable-next-line @typescript-eslint/no-unused-vars
 const items = getNumbers(1, 42).map(n => `Item ${n}`);
 
 export const App: React.FC = () => {
+  const [searchParams, setSearchParams] = useSearchParams();
+
+  const page = Number(searchParams.get('page')) || 1;
+  const perPage = Number(searchParams.get('perPage')) || 5;
+
+  const start = (page - 1) * perPage;
+  const end = start + perPage;
+
+  const visibleItems = items.slice(start, end);
+
+  const handlePageChange = (newPage: number) => {
+    setSearchParams({ page: String(newPage), perPage: String(perPage) });
+  };
+
+  const handlePerPageChange = (e: React.ChangeEvent<HTMLSelectElement>) => {
+    const newPerPage = Number(e.target.value);
+
+    setSearchParams({
+      page: '1',
+      perPage: String(newPerPage),
+    });
+  };
+
   return (
     <div className="container">
       <h1>Items with Pagination</h1>
 
       <p className="lead" data-cy="info">
-        Page 1 (items 1 - 5 of 42)
+        Page {page} (items {start + 1} - {Math.min(end, items.length)} of{' '}
+        {items.length})
       </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={handlePerPageChange}
+          >
             <option value="3">3</option>
             <option value="5">5</option>
             <option value="10">10</option>
@@ -32,78 +60,19 @@ 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={items.length}
+        perPage={perPage}
+        currentPage={page}
+        onPageChange={handlePageChange}
+      />
+
       <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 => (
+          <li key={item} data-cy="item">
+            {item}
+          </li>
+        ))}
       </ul>
     </div>
   );

src/components/Pagination/Pagination.tsx

@@ -1 +1,85 @@
-export const Pagination = () => {};
+import React from 'react';
+
+type Props = {
+  total: number;
+  perPage: number;
+  currentPage?: number;
+  onPageChange: (page: number) => void;
+};
+
+export 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);
+
+  const change = (page: number) => {
+    if (page !== currentPage) {
+      onPageChange(page);
+    }
+  };
+
+  const prevDisabled = currentPage === 1;
+  const nextDisabled = currentPage === totalPages;
+
+  return (
+    <ul className="pagination">
+      <li className={`page-item ${prevDisabled ? 'disabled' : ''}`}>
+        <a
+          data-cy="prevLink"
+          className="page-link"
+          href="#prev"
+          aria-disabled={prevDisabled}
+          onClick={e => {
+            e.preventDefault();
+            if (!prevDisabled) {
+              change(currentPage - 1);
+            }
+          }}
+        >
+          «
+        </a>
+      </li>
+
+      {pages.map(p => (
+        <li
+          key={p}
+          className={`page-item ${p === currentPage ? 'active' : ''}`}
+        >
+          <a
+            data-cy="pageLink"
+            className="page-link"
+            href={`#${p}`}
+            onClick={e => {
+              e.preventDefault();
+              change(p);
+            }}
+          >
+            {p}
+          </a>
+        </li>
+      ))}
+
+      <li className={`page-item ${nextDisabled ? 'disabled' : ''}`}>
+        <a
+          data-cy="nextLink"
+          className="page-link"
+          href="#next"
+          aria-disabled={nextDisabled}
+          onClick={e => {
+            e.preventDefault();
+            if (!nextDisabled) {
+              change(currentPage + 1);
+            }
+          }}
+        >
+          »
+        </a>
+      </li>
+    </ul>
+  );
+};

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>,
+);

tsconfig.json

@@ -2,5 +2,11 @@
   "extends": "@mate-academy/students-ts-config",
   "include": [
     "src"
-  ]
+  ],
+  "compilerOptions": {
+    // ... other options
+    "jsx": "react-jsx" /* Use "react-jsx" for React 17+ projects */
+    // or "jsx": "react" /* Use "react" for older React versions */
+    // or "jsx": "preserve" /* Use "preserve" if another tool (like Babel or esbuild) handles the transformation */
+  }
 }