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://biconn.github.io/react_pagination/) and add it to the PR description.

package.json

@@ -15,7 +15,7 @@
   },
   "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

@@ -1,29 +1,53 @@
-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}`);
+export const items = getNumbers(1, 42).map(n => n);
+// export const items = getNumbers(1, 42).map(n => `Item ${n}`);
 
 export const App: React.FC = () => {
+  const [page, setPage] = useState<number>(1);
+  const [itemPerPage, setItemPerPage] = useState<number>(5);
+
+  const handlePageChange = (argPage: number) => {
+    setPage(argPage);
+  };
+
+  const handlePerPageChange = (e: React.ChangeEvent<HTMLSelectElement>) => {
+    e.preventDefault();
+    setItemPerPage(Number(e.target.value));
+    setPage(1);
+  };
+
+  const start = itemPerPage * (page - 1) + 1;
+  const end = Math.min(itemPerPage * page, items.length);
+
+  const pageStart = itemPerPage * (page - 1);
+  const pageEnd = itemPerPage * page;
+
   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} - {end} 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">
-            <option value="3">3</option>
-            <option value="5">5</option>
-            <option value="10">10</option>
-            <option value="20">20</option>
+            className="form-control"
+            value={itemPerPage}
+            onChange={e => handlePerPageChange(e)}
+          >
+            <option value={3}>3</option>
+            <option value={5}>5</option>
+            <option value={10}>10</option>
+            <option value={20}>20</option>
           </select>
         </div>
 
@@ -33,77 +57,26 @@ 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={items.length} // total number of items to paginate
+        perPage={itemPerPage} // number of items per page
+        currentPage={page} /* optional with 1 by default */
+        onPageChange={handlePageChange}
+      />
+
       <ul>
-        <li data-cy="item">Item 1</li>
+        {items
+          .filter(item => item > pageStart && item <= pageEnd)
+          .map(item => (
+            <li data-cy="item" key={item}>
+              Item {item}
+            </li>
+          ))}
+        {/* <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>
+        <li data-cy="item">Item 5</li> */}
       </ul>
     </div>
   );

src/components/Pagination/Pagination.tsx

@@ -1 +1,84 @@
-export const Pagination = () => {};
+// import { useState } from 'react';
+import { getNumbers } from '../../utils';
+
+interface PaginationType {
+  total: number;
+  perPage: number;
+  currentPage?: number;
+  onPageChange: (value: number) => void;
+}
+
+export const Pagination = ({
+  total,
+  perPage,
+  currentPage = 1,
+  onPageChange,
+}: PaginationType) => {
+  const lastPageNumber = Math.ceil(total / perPage);
+  const countOfPages = getNumbers(1, Math.ceil(total / perPage));
+
+  return (
+    <>
+      <ul className="pagination">
+        <li className={`page-item ${currentPage === 1 ? 'disabled' : ''}`}>
+          <a
+            data-cy="prevLink"
+            className="page-link"
+            href="#prev"
+            aria-disabled={currentPage === 1 ? 'true' : 'false'}
+            onClick={e => {
+              e.preventDefault();
+              if (currentPage > 1) {
+                onPageChange(currentPage - 1);
+              }
+            }}
+          >
+            «
+          </a>
+        </li>
+
+        {countOfPages.map(item => (
+          <li
+            className={`page-item ${item === currentPage ? 'active' : ''}`}
+            key={item}
+          >
+            <a
+              data-cy="pageLink"
+              className="page-link"
+              href="#1"
+              onClick={e => {
+                e.preventDefault();
+
+                if (item !== currentPage) {
+                  onPageChange(item);
+                }
+              }}
+            >
+              {item}
+            </a>
+          </li>
+        ))}
+
+        <li
+          className={`page-item ${currentPage === lastPageNumber ? 'disabled' : ''}`}
+        >
+          <a
+            data-cy="nextLink"
+            className="page-link"
+            href="#next"
+            aria-disabled={currentPage === lastPageNumber ? 'true' : 'false'}
+            onClick={e => {
+              e.preventDefault();
+
+              if (currentPage < lastPageNumber) {
+                onPageChange(currentPage + 1);
+              }
+            }}
+          >
+            »
+          </a>
+        </li>
+      </ul>
+    </>
+  );
+};