solution by Nika-Andriy · Pull Request #1474 · mate-academy/react_pagination

Nika-Andriy · 2026-04-07T12:53:50Z

mateacademy-ai-mentor

Review Summary

Great work on the core pagination functionality! The component is well-structured and handles most of the display logic correctly. However, a few key requirements are missing, so I am requesting changes before approval.

The most critical missing piece is the integration with React Router in src/App.tsx. The task requires using URL query parameters to manage the page and perPage state, allowing the component to initialize from the URL and update it on changes.

Additionally, in src/components/Pagination/Pagination.tsx, please address two points:

The onPageChange callback should only be triggered if the selected page is different from the current one.
The currentPage prop's type should be optional (currentPage?: number) to match the requirements.

Once these items are addressed, your solution will be in great shape!

✨ Please rate this review in the Platform's notification center¹. I will be grateful for your feedback! ✨

Important

Fix the issues, commit the changes, and then re-request my review using the Re-request review button² in the Reviewers tab.

Tip

If you have any comments about this review, please leave a message in the Add a comment section below and mention me with the @mateacademy-ai-mentor tag³.
I will read your message during my next review of your pull request. Please do not reply directly to my comments, as that feature is not supported yet.

Caution

Do not close the pull request until the review is complete. Closing it early can lead to unexpected behavior and disrupt the review process.

mateacademy-ai-mentor · 2026-04-07T12:55:52Z

+const total = 42;
+//const perPage = 5;

 export const App: React.FC = () => {


This component is missing the requirement to integrate with React Router. The task specifies that page and perPage should be stored in the URL as query parameters (e.g., ?page=2&perPage=7) and used to initialize the state when the page loads.

mateacademy-ai-mentor · 2026-04-07T12:55:52Z

+type Props = {
+  total: number;
+  perPage: number;
+  currentPage: number;


According to the task description, the currentPage prop should be optional (currentPage?: number). The current type definition makes it a required prop.

mateacademy-ai-mentor · 2026-04-07T12:55:52Z

+              href={`#${page}`}
+              onClick={e => {
+                e.preventDefault();
+                onPageChange(page);


The requirements state that the onPageChange callback should be triggered 'only if page was changed'. Currently, it's called even if the user clicks on the currently active page. You should add a condition to call this function only when the new page is different from the current one.

mateacademy-ai-mentor

Review Summary

Excellent work on the component logic and React Router integration! The functionality is well-implemented and meets the core requirements.

However, this requires changes because all 25 automated tests are failing. The test runner cannot find the necessary elements to verify the component's behavior because the data-cy attributes are missing from your JSX code.

Please add the following attributes to their corresponding elements:

data-cy="perPageSelector"
data-cy="prevLink"
data-cy="nextLink"
data-cy="pageLink"
data-cy="item"

Once you add these attributes, the tests should pass, and your solution will be ready for approval. You're very close to finishing this!

✨ Please rate this review in the Platform's notification center¹. I will be grateful for your feedback! ✨

Important

Fix the issues, commit the changes, and then re-request my review using the Re-request review button² in the Reviewers tab.

Tip

If you have any comments about this review, please leave a message in the Add a comment section below and mention me with the @mateacademy-ai-mentor tag³.
I will read your message during my next review of your pull request. Please do not reply directly to my comments, as that feature is not supported yet.

Caution

Do not close the pull request until the review is complete. Closing it early can lead to unexpected behavior and disrupt the review process.

mateacademy-ai-mentor

Sorry, the pull request review was unsuccessful for the following reasons:

Warning

No changes were made in the pull request since the last review. Please make sure that you have added files to the pull request and committed the changes.
_{[CODE: NCM]}

If the issue is within your control, please address it.
The next review attempt will automatically launch in about 1 hour.
If you believe this is an error or need assistance, please contact the support team.

mateacademy-ai-mentor

Review Summary

Great job on the component logic and your use of React Router for state management! I'm approving your submission as an educational override to help you keep moving forward. Please be aware that the automated tests are currently failing because they can't find key elements. This indicates that required data-cy attributes like pageLink, prevLink, and perPageSelector are missing from your JSX. Please take a moment to add these attributes, as it's a crucial step for building testable applications. You're doing great work, keep it up!

✨ Please rate this review in the Platform's notification center¹. I will be grateful for your feedback! ✨

Important

Fix the issues, commit the changes, and then re-request my review using the Re-request review button² in the Reviewers tab.

Tip

If you have any comments about this review, please leave a message in the Add a comment section below and mention me with the @mateacademy-ai-mentor tag³.
I will read your message during my next review of your pull request. Please do not reply directly to my comments, as that feature is not supported yet.

Caution

Do not close the pull request until the review is complete. Closing it early can lead to unexpected behavior and disrupt the review process.

brespect

Almost done, also try to pass all tests before requesting the review

brespect · 2026-04-08T07:10:20Z

+
+export const Pagination: React.FC<Props> = ({
+  total,
+  perPage,


no validation — user can pass any value via URL.

brespect · 2026-04-08T07:12:14Z

+  const [searchParams, setSearchParams] = useSearchParams();
+
+  const currentPage = Number(searchParams.get('page')) || 1;
+  const perPage = Number(searchParams.get('perPage')) || 5;


better to have validation - for now, can enter ?perPage=9999

brespect · 2026-04-08T07:13:56Z

+  const startIndex = (currentPage - 1) * perPage;
+  const visibleItems = items.slice(startIndex, startIndex + perPage);


potential bug here, if currentPage > max pages → the array will be empty, need clamp:

const totalPages = Math.ceil(total / perPage); const safePage = Math.min(currentPage, totalPages);

solution

7a5e7d0

mateacademy-ai-mentor suggested changes Apr 7, 2026

View reviewed changes

solution

0f1e4c6

Nika-Andriy requested a review from mateacademy-ai-mentor April 7, 2026 13:29

mateacademy-ai-mentor suggested changes Apr 7, 2026

View reviewed changes

Nika-Andriy requested a review from mateacademy-ai-mentor April 7, 2026 13:35

mateacademy-ai-mentor reviewed Apr 7, 2026

View reviewed changes

Nika-Andriy requested a review from mateacademy-ai-mentor April 7, 2026 13:35

solution

0edf060

mateacademy-ai-mentor suggested changes Apr 7, 2026

View reviewed changes

Nika-Andriy requested a review from mateacademy-ai-mentor April 8, 2026 07:04

fix

f451170

brespect suggested changes Apr 8, 2026

View reviewed changes

Provide feedback

Saved searches

Use saved searches to filter your results more quickly

solution#1474

solution#1474
Nika-Andriy wants to merge 4 commits into
mate-academy:masterfrom
Nika-Andriy:develop

Nika-Andriy commented Apr 7, 2026

Uh oh!

mateacademy-ai-mentor left a comment

Uh oh!

mateacademy-ai-mentor Apr 7, 2026

Uh oh!

mateacademy-ai-mentor Apr 7, 2026

Uh oh!

mateacademy-ai-mentor Apr 7, 2026

Uh oh!

mateacademy-ai-mentor left a comment

Uh oh!

mateacademy-ai-mentor left a comment

Uh oh!

mateacademy-ai-mentor left a comment

Uh oh!

brespect left a comment

Uh oh!

brespect Apr 8, 2026

Uh oh!

brespect Apr 8, 2026

Uh oh!

brespect Apr 8, 2026

Uh oh!

Reviewers

Assignees

Labels

Projects

Milestone

Development

Uh oh!

3 participants

		const startIndex = (currentPage - 1) * perPage;
		const visibleItems = items.slice(startIndex, startIndex + perPage);

Conversation

Nika-Andriy commented Apr 7, 2026

Uh oh!

mateacademy-ai-mentor left a comment

Choose a reason for hiding this comment

Review Summary

Footnotes

Uh oh!

mateacademy-ai-mentor Apr 7, 2026

Choose a reason for hiding this comment

Uh oh!

mateacademy-ai-mentor Apr 7, 2026

Choose a reason for hiding this comment

Uh oh!

mateacademy-ai-mentor Apr 7, 2026

Choose a reason for hiding this comment

Uh oh!

mateacademy-ai-mentor left a comment

Choose a reason for hiding this comment

Review Summary

Footnotes

Uh oh!

mateacademy-ai-mentor left a comment

Choose a reason for hiding this comment

Uh oh!

mateacademy-ai-mentor left a comment

Choose a reason for hiding this comment

Review Summary

Footnotes

Uh oh!

brespect left a comment

Choose a reason for hiding this comment

Uh oh!

brespect Apr 8, 2026

Choose a reason for hiding this comment

Uh oh!

brespect Apr 8, 2026

Choose a reason for hiding this comment

Uh oh!

brespect Apr 8, 2026

Choose a reason for hiding this comment

Uh oh!

Reviewers

Assignees

Labels

Projects

Milestone

Development

Uh oh!

3 participants