Solution

[Humenyuk1991]

https://Humenyuk1991.github.io/react_sum/

[mateacademy-ai-mentor]

Review Summary

This requires a few adjustments to meet all the task requirements. While the core calculation is correct, there are three key issues to address:

1. Component Usage in App.jsx: The task requires testing the default props by omitting them. Instead of <Sum a={10} b={0} />, you should use <Sum a={10} /> and let the default for b apply. Please do the same for the other two cases as described in the task.
2. Export Type: The Sum component must only have a named export. Please remove the export default Sum; line from src/components/Sum/Sum.jsx.
3. String Formatting: The text rendering violates a checklist requirement [CHECKLIST ITEM #2]. You need to use string interpolation (template literals) like {Sum of ${a} and ${b} is ${a + b}} inside the <p> tag.

Addressing these points will fully align your solution with the requirements. You're close!

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[mateacademy-ai-mentor]

The task requires rendering the component with 'just a = 10'. Instead of explicitly passing b={0}, you should omit the b prop and allow the Sum component to use its default value.

[mateacademy-ai-mentor]

Following the requirement for 'just b = 5', the a prop should be omitted here to rely on its default value.

[mateacademy-ai-mentor]

For the case with 'no params at all', the component should be rendered without any props, like <Sum />. This will correctly use the default values for both a and b.

[mateacademy-ai-mentor]

This violates checklist item #2, which requires using string interpolation (template literals). The content of the <p> tag should be enclosed in curly braces and backticks, like {Sum of ${a} and ${b} is ${a + b}}.

[mateacademy-ai-mentor]

The task description explicitly requires using a named export and not a default one. Please remove this line.

[mateacademy-ai-mentor]

Review Summary

Excellent work on this task! You've successfully addressed all the previous feedback, and your solution now meets all the requirements. The component usage, exports, and string formatting are all implemented correctly.

As a small suggestion for future reference, the Sum component can be made more concise by using an implicit return, since it only returns a single JSX element. You could write it like this:

export const Sum = ({ a = 0, b = 0 }) => (
  <p>{`Sum of ${a} and ${b} is ${a + b}`}</p>
);

This is just a minor style point, and your current implementation is perfectly valid. Great job, your solution is approved!

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[mateacademy-ai-mentor]

This component's body only contains a return statement. According to the React task guideline, you can simplify this by using an implicit return. This means removing the curly braces {...} from the function body and the return keyword.