Dev Releases Open-Source Library to Auto-Map API Validation Errors in Blazor WASM Forms

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A developer has released an open-source .NET library designed to eliminate repetitive code for handling server-side API validation errors in Blazor WebAssembly applications. The library maps RFC 9457 Problem Details errors directly to native Blazor FieldIdentifier instances through a custom HttpClient, supporting nested model paths, arrays, and custom indexers. It integrates with Blazor's EditContext and ValidationMessageStore, and includes an opt-in Disambiguate attribute to resolve parameter conflicts across binding sources. The library is extensible via dependency injection, allowing developers to customize error binding and object access behavior. It is publicly available on NuGet with full documentation, and the author is seeking community feedback and bug reports.

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