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MudMapper: Standalone mapper component - #641

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Welchen:feature/MudMapper
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MudMapper: Standalone mapper component#641
Welchen wants to merge 4 commits into
CodeBeamOrg:devfrom
Welchen:feature/MudMapper

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@Welchen

@Welchen Welchen commented Aug 17, 2026

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Extract the mapping functionality from MudCsvMapper into a standalone MudMapper component. This will allow users to map data from a variety of sources, including objects, streams, and files.

Update MudCsvWrapper to use MudMapper internally so the mapping experience stays consistent in both functionality and appearance.

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Retained look of MudCsvMapper

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Resolves #636

Ryan Watson added 3 commits August 16, 2026 21:56
Removes unused MudExtensions.Utilities imports from MudCsvMapper.razor and MudMapper.razor. Refactors header confirmation logic in MudMapper.razor for clarity and null safety. Adds XML documentation to IsSourcePoolItem in MudMapper.razor.cs.
Replaced hardcoded "Source" strings with MudMapper.SourcePoolZoneIdentifier constant in CsvMapperTests.cs and MudMapperTests.cs to improve maintainability and reduce string mismatch errors.
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codecov Bot commented Aug 17, 2026

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Codecov Report

❌ Patch coverage is 80.45455% with 43 lines in your changes missing coverage. Please review.
✅ Project coverage is 66.10%. Comparing base (6051e0e) to head (513c73e).

Files with missing lines Patch % Lines
...vMapper/Components/CsvMapper/MudCsvMapper.razor.cs 65.21% 12 Missing and 4 partials ⚠️
...or.Extensions/Components/Mapper/MudMapper.razor.cs 88.32% 4 Missing and 12 partials ⚠️
...lazor.Extensions/Components/Mapper/MudMapper.razor 56.00% 7 Missing and 4 partials ⚠️
Additional details and impacted files
@@            Coverage Diff             @@
##              dev     #641      +/-   ##
==========================================
+ Coverage   65.38%   66.10%   +0.72%     
==========================================
  Files         111      114       +3     
  Lines        8381     8450      +69     
  Branches     1480     1486       +6     
==========================================
+ Hits         5480     5586     +106     
+ Misses       2394     2350      -44     
- Partials      507      514       +7     

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Added unit tests to cover private/internal logic in MudCsvMapper and MudMapper. Verified behaviors include mapping state reset, header updates, item selection, source pool identification, add section opening, form submission, and IncludeUnmappedData updates. Introduced helper methods for invoking private methods and setting private members via reflection to enable testing of non-public members.
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[Feature Request] MudCsvWrapper - Standalone mapping component

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