dynamic list of posts #1243

yzhyhaliuk · 2025-02-16T19:09:58Z

(https://yzhyhaliuk.github.io/react_dynamic-list-of-posts/)

mateacademy-ai-mentor

Thank you for your hard work on this project! While your code generally meets the task requirements, there are a few critical issues that need to be addressed before we can approve the pull request:

Error Handling: The current error handling is quite basic and only sets the error state to true. It's important to provide more detailed error information, such as logging the error or displaying a specific error message to the user. This will greatly enhance the user experience and make debugging easier.
Response Handling: The response.json() call assumes that the response is always JSON. Adding error handling for cases where the response might not be JSON or when the fetch request fails is crucial for robustness.
Email Validation: The email field validation is currently minimal, only checking if it is empty. Implementing a more robust validation to ensure the email format is correct will prevent invalid email addresses from being submitted.
Key Prop Uniqueness: Ensure that the key prop for the comment elements is unique. While comment.id is likely unique, confirming this will prevent potential issues with React's reconciliation process.
State Management: The use of setActive(false) in the finally block might not be necessary and could be managed elsewhere. Please review this to ensure it aligns with the intended behavior.

Addressing these issues will not only improve the functionality and reliability of your application but also align it with best practices. Keep up the great work, and I look forward to seeing the improvements! 😊

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

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

mateacademy-ai-mentor · 2025-02-16T19:11:31Z

src/App.tsx

+        setPosts(postsFromServer);
+        setError(false);
+      })
+      .catch(() => setError(true))


The error handling in the catch block only sets the error state to true. It might be beneficial to provide more detailed error information, such as logging the error or displaying a more specific error message to the user.

mateacademy-ai-mentor · 2025-02-16T19:11:31Z

src/App.tsx

+      .catch(() => setError(true))
+      .finally(() => {
+        setLoading(false);
+        setActive(false);


Setting setActive(false) in the finally block might not be necessary here, as it is unrelated to the loading state. Consider whether this is the intended behavior or if it should be managed elsewhere.

mateacademy-ai-mentor · 2025-02-16T19:11:32Z

src/components/NewCommentForm.tsx

+      mistake = true;
+    }
+
+    if (!email) {


The email field currently only checks if it is empty. Consider adding a more robust validation to ensure the email format is correct. This can prevent invalid email addresses from being submitted.

mateacademy-ai-mentor · 2025-02-16T19:11:32Z

src/components/NewCommentForm.tsx

+        setComments(prevComments => [...prevComments, comment]);
+        setBody('');
+      })
+      .finally(() => setLoading(false));


The finally block only sets the loading state to false. It might be beneficial to handle errors more explicitly, such as displaying an error message to the user if the comment submission fails.

mateacademy-ai-mentor · 2025-02-16T19:11:32Z

src/components/PostDetails.tsx

+    client
+      .get<Comment[]>(`/comments?postId=${selectedPost?.id}`)
+      .then(commentsFromServer => setComments(commentsFromServer))
+      .catch(() => setError(true))


The error handling in the catch block only sets the error state to true. It might be beneficial to provide more detailed error information, such as logging the error or displaying a more specific error message to the user.

mateacademy-ai-mentor · 2025-02-16T19:11:32Z

src/components/PostDetails.tsx

+          {comments.length > 0 && (
+            <>
+              <p className="title is-4">Comments:</p>
+              {comments.map(comment => (


Ensure that the key prop for the comment elements is unique. Although comment.id is likely unique, it's important to confirm this to prevent potential issues with React's reconciliation process.

mateacademy-ai-mentor · 2025-02-16T19:11:32Z

src/utils/fetchClient.ts

@@ -26,10 +26,16 @@ function request<T>(
    };
  }

+  const fetchRequest = fetch(BASE_URL + url, options).then(response =>
+    response.json(),


The response.json() call assumes that the response is always JSON. Consider adding error handling to manage cases where the response might not be JSON or when the fetch request fails.

mateacademy-ai-mentor

Great job on your submission! 🎉 While the code is mostly well-structured and meets the task requirements, there are a few critical areas that need attention to enhance functionality and user experience:

Error Handling: Across various components, error handling is minimal. Consider providing more detailed error information or feedback to users, such as logging errors or displaying specific messages. This will improve user experience and debugging.
Email Validation: In the NewCommentForm, the email validation is basic. Implement a more robust validation to ensure the email format is correct, preventing invalid submissions.
Key Prop Uniqueness: Ensure that the key prop for elements like user, post, and comment is unique. While IDs are likely unique, confirming this will prevent potential issues with React's reconciliation process.
State Management: Review the use of setActive(false) in the finally block of the fetchPosts function. Ensure it aligns with the intended behavior and consider managing this state change elsewhere if unnecessary.
Response Handling: In fetchClient, the response.json() call assumes the response is always JSON. Add error handling for cases where the response might not be JSON or when the fetch request fails to improve robustness.

Addressing these issues will significantly enhance the reliability and user experience of your application. Keep up the great work, and use this feedback to refine your skills further! 🚀

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

mateacademy-ai-mentor · 2025-02-17T15:56:56Z

src/App.tsx

+      setPosts(postsFromServer);
+      setError(false);
+    } catch (err) {
+      setError(true);


The error handling here is minimal. Consider providing more detailed error information, such as logging the error or displaying a specific error message to the user. This will enhance the user experience and make debugging easier.

mateacademy-ai-mentor · 2025-02-17T15:56:56Z

src/App.tsx

+      setError(true);
+    } finally {
+      setLoading(false);
+      setActive(false);


The use of setActive(false) in the finally block might not be necessary. Review if this aligns with the intended behavior and consider managing this state change elsewhere if it's not needed here.

mateacademy-ai-mentor · 2025-02-17T15:56:57Z

src/components/NewCommentForm.tsx

+      mistake = true;
+    }
+
+    if (!email) {


The email validation here is minimal. Consider implementing a more robust validation to ensure the email format is correct. This will prevent invalid email addresses from being submitted.

mateacademy-ai-mentor · 2025-02-17T15:56:57Z

src/components/NewCommentForm.tsx

+    }
+
+    if (!email) {
+      setErrorEmail(true);


The error handling for the email field is basic. Providing more detailed feedback to the user about what is wrong with the email input would improve the user experience.

mateacademy-ai-mentor · 2025-02-17T15:56:57Z

src/components/PostDetails.tsx

+    client
+      .get<Comment[]>(`/comments?postId=${selectedPost?.id}`)
+      .then(commentsFromServer => setComments(commentsFromServer))
+      .catch(() => setError(true))


The error handling here is minimal. Consider providing more detailed error information or feedback to the user to improve the user experience.

mateacademy-ai-mentor · 2025-02-17T15:56:57Z

src/components/PostDetails.tsx

+                <article
+                  className="message is-small"
+                  data-cy="Comment"
+                  key={comment.id}


Ensure that the key prop for the comment elements is unique. While comment.id is likely unique, confirming this will prevent potential issues with React's reconciliation process.

mateacademy-ai-mentor · 2025-02-17T15:56:57Z

src/components/PostsList.tsx

-          </td>
-        </tr>
+        {posts.map(post => (
+          <tr data-cy="Post" key={post.id}>


Ensure that the key prop for the post elements is unique. While post.id is likely unique, confirming this will prevent potential issues with React's reconciliation process.

mateacademy-ai-mentor · 2025-02-17T15:56:57Z

src/components/UserSelector.tsx

-          </a>
+          {users.map(user => (
+            <a
+              key={user.id}


Ensure that the key prop for the user elements is unique. While user.id is likely unique, confirming this will prevent potential issues with React's reconciliation process.

mateacademy-ai-mentor · 2025-02-17T15:56:57Z

src/utils/fetchClient.ts

@@ -26,10 +26,16 @@ function request<T>(
    };
  }

+  const fetchRequest = fetch(BASE_URL + url, options).then(response =>
+    response.json(),


The response.json() call assumes that the response is always JSON. Consider adding error handling for cases where the response might not be JSON or when the fetch request fails. This will improve the robustness of your HTTP requests.

vadiimvooo

Well done

dynamic list of posts

8e46042

mateacademy-ai-mentor suggested changes Feb 16, 2025

View reviewed changes

yzhyhaliuk added 3 commits February 17, 2025 11:38

hide comments block

cd9a20c

get fetchPosts redone

96ccd9f

fix url for comments

8547899

yzhyhaliuk requested a review from mateacademy-ai-mentor February 17, 2025 15:54

mateacademy-ai-mentor approved these changes Feb 17, 2025

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vadiimvooo approved these changes Feb 17, 2025

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dynamic list of posts #1243

dynamic list of posts #1243

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dynamic list of posts #1243

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dynamic list of posts #1243

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yzhyhaliuk commented Feb 16, 2025

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