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WASM build tools additional coverage #27302

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Oct 17, 2022
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WASM build tools additional coverage #27302

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17 changes: 17 additions & 0 deletions aspnetcore/blazor/tooling.md
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Expand Up @@ -1171,6 +1171,23 @@ The .NET WebAssembly build tools are based on [Emscripten](https://emscripten.or
* For the **ASP.NET and web development** workload in the Visual Studio installer, select the **.NET WebAssembly build tools** option from the list of optional components.
* Execute `dotnet workload install wasm-tools` in an administrative command shell.

When [Ahead-of-time (AOT) compilation](xref:blazor/host-and-deploy/webassembly#ahead-of-time-aot-compilation) is used, [WebAssembly Single Instruction, Multiple Data (SIMD)](https://github.com/WebAssembly/simd/blob/master/proposals/simd/SIMD.md) is supported, **except for Apple Safari at this time**. Use the `<WasmEnableSIMD>` property in the app's project file (`.csproj`) with a value of `true`:

```xml
<PropertyGroup>
<WasmEnableSIMD>true</WasmEnableSIMD>
<RunAOTCompilation>true</RunAOTCompilation>
</PropertyGroup>
```

To enable WebAssembly exception handling, use the `<WasmEnableExceptionHandling>` property in the app's project file (`.csproj`) with a value of `true`:

```xml
<PropertyGroup>
<WasmEnableExceptionHandling>true</WasmEnableExceptionHandling>
</PropertyGroup>
```

> [!NOTE]
> .NET WebAssembly build tools for .NET 6 projects
>
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