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://Nika-Andriy.github.io/react_pagination/) and add it to the PR description.

src/App.tsx

@@ -1,25 +1,43 @@
-import React from 'react';
+import React, { useState } from 'react';
 import './App.css';
 import { getNumbers } from './utils';
+import { Pagination } from './components/Pagination';
 
 // eslint-disable-next-line @typescript-eslint/no-unused-vars
 const items = getNumbers(1, 42).map(n => `Item ${n}`);
+const total = 42;
+//const perPage = 5;
 
 export const App: React.FC = () => {
+  const [perPage, setPerPage] = useState(5);
+  const [currentPage, setCurrentPage] = useState(1);
+  const startIndex = (currentPage - 1) * perPage;
+  const visibleItems = items.slice(startIndex, startIndex + perPage);
+
+  const handlePerPageChange = (event: React.ChangeEvent<HTMLSelectElement>) => {
+    const newValue = Number(event.target.value);
+
+    setPerPage(newValue);
+    setCurrentPage(1);
+  };
+
   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 ${(currentPage - 1) * perPage + 1} - ${Math.min(currentPage * perPage, total)} of 42)`}
       </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>
@@ -33,77 +51,18 @@ export const App: React.FC = () => {
       </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 => setCurrentPage(page)}
+      />
       <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 +1,82 @@
-export const Pagination = () => {};
+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);
+
+  if (totalPages <= 1) {
+    return null;
+  }
+
+  const pages = Array.from({ length: totalPages }, (_, i) => i + 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 => {
+        return (
+          <li
+            key={page}
+            className={`page-item ${currentPage === page ? 'active' : ''}`}
+          >
+            <a
+              data-cy="pageLink"
+              className="page-link"
+              href={`#${page}`}
+              onClick={e => {
+                e.preventDefault();
+                onPageChange(page);
+              }}
+            >
+              {page}
+            </a>
+          </li>
+        );
+      })}
+
+      <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>
+  );
+};