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Solution
Submitted 8 months ago

Age calculator app using C# Blazor WASM

animation, blazor, c#, pure-css
Simon•180
@Simplify4Me2
A solution to the Age calculator app challenge
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Solution retrospective


What are you most proud of, and what would you do differently next time?

I’m pretty proud of getting a Blazor project deployed to GitHub Pages. Though, the downside is that Blazor WASM was the only option for a static site. Building something with Blazor for the first time definitely helped me write concise, typed validation logic, but I have to admit, Blazor Forms turned out to be a pretty rough experience for cavascript developers.

What challenges did you encounter, and how did you overcome them?

When styling a form (or rather an EditForm) in Blazor, be aware that the styling processor handles things post-build, so you'd better make sure your styles are in the right file from the start. The validation attributes required quite a bit of tweaking, and I had to override the validation state changes to prevent inconsistencies in how validation was handled. Deploying the Blazor site to GitHub Pages was another challenge altogether—Blazor almost feels like it wants to lock you into deploying on Azure.

What specific areas of your project would you like help with?

I could use some guidance on handling forms and organizing CSS in Blazor. While Blazor encourages the use of components, I struggled to scope the styling to specific components unless I resorted to inline styles—which doesn’t exactly feel like best practice. Any tips on managing component-level CSS more effectively would be appreciated.

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How does the accessibility report work?

When a solution is submitted, we use axe-core to run an automated audit of your code.

This picks out common accessibility issues like not using semantic HTML and not having proper heading hierarchies, among others.

This automated audit is fairly surface level, so we encourage to you review the project and code in more detail with accessibility best practices in mind.

How does the CSS report work?

When a solution is submitted, we use stylelint to run an automated check on the CSS code.

We've added some of our own linting rules based on recommended best practices. These rules are prefixed with frontend-mentor/ which you'll see at the top of each issue in the report.

The report will audit 1st-party linked stylesheets, and styles within <style> tags.

How does the HTML validation report work?

When a solution is submitted, we use html-validate to run an automated check on the HTML code.

The report picks out common HTML issues such as not using headings within section elements and incorrect nesting of elements, among others.

Note that the report can pick up “invalid” attributes, which some frameworks automatically add to the HTML. These attributes are crucial for how the frameworks function, although they’re technically not valid HTML. As such, some projects can show up with many HTML validation errors, which are benign and are a necessary part of the framework.