Add "convert to project" menu option#9472
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Implements microsoft/vscode-dotnettools#2369. Adds a new `dotnet.convertToProject` command that lets users convert a file-based C# app to a project-based app by running `dotnet project convert <file>` in an integrated terminal. Two entry points are provided: - Right-click on a .cs file in the Explorer or editor → "Convert C# File-based App to Project" - Command palette → "Convert C# File-based App to Project" → quick pick of all discoverable file-based app entry points in the workspace (files starting with `#!` or containing `#:` directives) Co-authored-by: mwiemer-microsoft <80539004+mwiemer-microsoft@users.noreply.github.com>
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Add "Convert C# File-based App to Project" command (fixes vscode-dotnettools#2369)
Add "Convert C# File-based App to Project" command
Jun 25, 2026
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June 25, 2026 18:55
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…ne, language-ID check
- Export `FileBasedAppKind` enum and `detectFileBasedAppKind` with injectable
reader so unit tests don't need fs mocks
- Export `isInProjectCone` helper (walk ancestor dirs to find .csproj)
- pickAndConvertToProject: include C# files outside any .csproj cone as FBA
entry points even when they lack explicit #! / #: markers
- pickAndConvertToProject: augment the findFiles result with any open text
documents that VS Code already treats as csharp language but lack .cs ext
- convertToProject (right-click path): check document.languageId === 'csharp'
via openTextDocument instead of filePath.endsWith('.cs')
- Add TODO noting that the .NET 10 SDK has no CLI command for FBA detection
(only dotnet project convert); flag the Roslyn LSP request as the future fix
- Add 20 unit tests covering shebang, directives, BOM, None edge cases, and
all isInProjectCone permutations
Co-authored-by: mwiemer-microsoft <80539004+mwiemer-microsoft@users.noreply.github.com>
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Add "Convert C# File-based App to Project" command
fileBasedApps: unit tests, no-csproj cone detection, language-ID check
Jun 26, 2026
Co-authored-by: mwiemer-microsoft <80539004+mwiemer-microsoft@users.noreply.github.com>
Co-authored-by: mwiemer-microsoft <80539004+mwiemer-microsoft@users.noreply.github.com>
Co-authored-by: mwiemer-microsoft <80539004+mwiemer-microsoft@users.noreply.github.com>
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Co-authored-by: mwiemer-microsoft <80539004+mwiemer-microsoft@users.noreply.github.com>
Co-authored-by: mwiemer-microsoft <80539004+mwiemer-microsoft@users.noreply.github.com>
Co-authored-by: mwiemer-microsoft <80539004+mwiemer-microsoft@users.noreply.github.com>
Co-authored-by: mwiemer-microsoft <80539004+mwiemer-microsoft@users.noreply.github.com>
…ocalization bundle Co-authored-by: mwiemer-microsoft <80539004+mwiemer-microsoft@users.noreply.github.com>
Co-authored-by: mwiemer-microsoft <80539004+mwiemer-microsoft@users.noreply.github.com>
Co-authored-by: mwiemer-microsoft <80539004+mwiemer-microsoft@users.noreply.github.com>
Co-authored-by: mwiemer-microsoft <80539004+mwiemer-microsoft@users.noreply.github.com>
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New plan is to take some time to update the existing Roslyn Language Server heuristic instead of adding a new client-side one. Closing in favor of dotnet/roslyn#84367 and subsequent PRs. Refer to backing issue for full list of refs. |
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Authored by @mwiemer-microsoft, closes microsoft/vscode-dotnettools#2369
Adds "convert to project" to FBA entry points based on a simple heuristic. Shells out directly to terminal (
dotnet project convert <file>) to handle interactivity (which may change in future SDK versions). The command is available in the editor, explorer, and command palette.C# files are identified as ones ending in
.csor open files with the VS Code language association of C#.All C# files are considered possible FBAs by default. We ignore files that have a
csproj"in cone." We then un-ignore files with FBA-specific code, like#!shebang or#:FBA-specific directives.When running from command palette, we find likely FBAs using the above heuristic on all
*.csfiles in the workspace and all open C# files.