Solution

[SerMamchur]

https://SerMamchur.github.io/react_sum/

[mateacademy-ai-mentor]

Review Summary

Decision: REQUEST_CHANGES

Your Sum component is well-implemented and meets the requirements, but there’s a critical blocker in src/App.jsx related to testing default prop behavior, which violates the checklist and core requirements.

Issues to fix (critical):

• Location: src/App.jsx
  1. On the instance where you intend to test only a provided (likely around the 3rd render), you currently pass a={10} b={0}. This violates checklist item #1 and the requirement to test defaulting of missing props. Update it to: <Sum a={10} />
  2. On the instance intended to test only b provided (likely the 4th render), you currently pass a={0} b={5}. This should omit a to verify it defaults to 0:
     
  3. On the instance intended to test both defaults (likely the 5th render), you currently pass a={0} b={0}. To actually test both defaults, omit both props:
     

Why this matters: The assignment explicitly requires verifying defaulting by omitting props. Passing explicit zeros doesn’t exercise the default parameter logic in Sum and fails the checklist item about rendering inline with short props while testing defaults.

Minor notes (good work):

• All Sum usages are on a single line with short props—nice adherence to style.
• Sum.jsx correctly uses destructuring defaults and a named export.

Make these small changes in App.jsx, and you should be all set. Great job overall—this is a quick fix!

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[mateacademy-ai-mentor]

This violates checklist item #1: "When rendering Sum instances in App with fewer than 3 attributes and short values, place the entire tag on one line (e.g., )" AND the requirement to test defaulting behavior. You should render (without b), (without a), and (with no props) to test default values. Currently, you are passing explicit zeros, which does not test the defaulting logic.

[mateacademy-ai-mentor]

Same as above: This should be to test defaulting of a to 0, not .

[mateacademy-ai-mentor]

Same as above: This should be to test defaulting of both a and b to 0, not .

[mateacademy-ai-mentor]

Review Summary

Great work! All core requirements are fully met: the Sum component correctly defaults missing a and b to 0, renders exactly one <p> with the required text format, and is exported as a named export. In App.jsx, you render all five required instances to cover both normal and defaulted prop scenarios, each on a single line as specified. The implementation is clean, concise, and aligns with the checklist. No blockers or issues found. Nice job—this is ready to submit!

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