Solution

README.md

@@ -2,7 +2,7 @@
 
 > Here is the [working version](https://mate-academy.github.io/react_pagination/)
 
-You a given a list of items and markup for the `Pagination`. Implement the 
+You a given a list of items and markup for the `Pagination`. Implement the
 `Pagination` as a stateless component to show only the items for a current page.
 
 1. The `Pagination` should be used with the next props:
@@ -32,4 +32,4 @@ You a given a list of items and markup for the `Pagination`. Implement the
 - Implement a solution following the [React task guideline](https://github.com/mate-academy/react_task-guideline#react-tasks-guideline).
 - Use the [React TypeScript cheat sheet](https://mate-academy.github.io/fe-program/js/extra/react-typescript).
 - Open one more terminal and run tests with `npm test` to ensure your solution is correct.
-- Replace `<your_account>` with your Github username in the [DEMO LINK](https://<your_account>.github.io/react_pagination/) and add it to the PR description.
+- Replace `<your_account>` with your Github username in the [DEMO LINK](https://IrynaYurchak.github.io/react_pagination/) and add it to the PR description.

package.json

@@ -11,11 +11,12 @@
     "classnames": "^2.5.1",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
+    "react-router-dom": "^6.22.3",
     "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 { Pagination } from './components/Pagination';
+// eslint-disable-next-line import/no-extraneous-dependencies
+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 currentPage = Number(searchParams.get('page') ?? 1);
+  const perPage = Number(searchParams.get('perPage') ?? 5);
+
+  const setPage = (page: number) => {
+    setSearchParams({ page: String(page), perPage: String(perPage) });
+  };
+
+  const setPerPageValue = (value: number) => {
+    setSearchParams({ page: '1', perPage: String(value) });
+  };
+
+  const startIndex = (currentPage - 1) * perPage;
+  const endIndex = Math.min(startIndex + perPage, items.length);
+  const visibleItems = items.slice(startIndex, endIndex);
+
   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 {startIndex + 1} - {endIndex} 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={event => setPerPageValue(Number(event.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={items.length}
+        perPage={perPage}
+        currentPage={currentPage}
+        onPageChange={setPage}
+      />
+
       <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 +1,78 @@
-export const Pagination = () => {};
+import React from 'react';
+
+type PaginationProps = {
+  total: number;
+  perPage: number;
+  currentPage?: number;
+  onPageChange: (page: number) => void;
+};
+export const Pagination: React.FC<PaginationProps> = ({
+  total,
+  perPage,
+  currentPage = 1,
+  onPageChange,
+}) => {
+  const pagesCount = Math.ceil(total / perPage);
+  const pages = Array.from({ length: pagesCount }, (_, index) => index + 1);
+
+  return (
+    <ul className="pagination">
+      <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.map(page => (
+        <li
+          key={page}
+          className={`page-item ${page === currentPage ? 'active' : ''}`}
+        >
+          <a
+            data-cy="pageLink"
+            className="page-link"
+            href={`#${page}`}
+            onClick={e => {
+              e.preventDefault();
+              if (page !== currentPage) {
+                onPageChange(page);
+              }
+            }}
+          >
+            {page}
+          </a>
+        </li>
+      ))}
+
+      <li
+        className={`page-item ${currentPage === pagesCount ? 'disabled' : ''}`}
+      >
+        <a
+          data-cy="nextLink"
+          className="page-link"
+          href="#next"
+          aria-disabled={currentPage === pagesCount}
+          onClick={e => {
+            e.preventDefault();
+            if (currentPage < pagesCount) {
+              onPageChange(currentPage + 1);
+            }
+          }}
+        >
+          »
+        </a>
+      </li>
+    </ul>
+  );
+};

src/index.tsx

@@ -1,5 +1,15 @@
-import { createRoot } from 'react-dom/client';
+import React from 'react';
+import ReactDOM from 'react-dom/client';
+import App from './App';
+// eslint-disable-next-line import/no-extraneous-dependencies
+import { BrowserRouter } from 'react-router-dom';
 
-import { App } from './App';
+const root = ReactDOM.createRoot(document.getElementById('root')!);
 
-createRoot(document.getElementById('root') as HTMLElement).render(<App />);
+root.render(
+  <React.StrictMode>
+    <BrowserRouter>
+      <App />
+    </BrowserRouter>
+  </React.StrictMode>,
+);