Initial commit.

.editorconfig

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+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+indent_style = space
+
+[*.{csproj,props,json,xml,xsd}]
+indent_size = 2
+
+[*.{cs,razor}]
+indent_size = 4
+
+# Formatting errors
+dotnet_diagnostic.IDE0055.severity = warning
+
+# Bracing and newline preferences
+csharp_new_line_before_open_brace = all
+csharp_new_line_before_else = true
+csharp_new_line_before_members_in_object_initializers = true
+csharp_prefer_braces = false:suggestion
+
+# this. qualification
+dotnet_style_qualification_for_field = true:warning
+dotnet_style_qualification_for_method = true:warning
+dotnet_style_qualification_for_property = true:warning
+dotnet_style_qualification_for_event = true:warning
+
+# Switch style
+csharp_indent_case_contents = true
+csharp_indent_case_contents_when_block = false
+csharp_indent_switch_labels = false
+
+# Sort System.* using directives alphabetically, and place them before other usings
+dotnet_sort_system_directives_first = true
+
+# Leave code block on single line
+csharp_preserve_single_line_blocks = true
+# Leave statements and member declarations on the same line
+csharp_preserve_single_line_statements = true
+
+# Prefer no curly braces if allowed
+csharp_prefer_braces = false:suggestion
+
+# Block preferences
+csharp_style_expression_bodied_constructors = false:suggestion
+csharp_style_expression_bodied_methods = true:suggestion
+csharp_style_expression_bodied_operators = true:suggestion
+csharp_style_expression_bodied_properties = true:suggestion
+
+# Prefer out variables to be declared inline in the argument list of a method call when possible
+csharp_style_inlined_variable_declaration = true:suggestion
+# Prefer tuple names to ItemX properties
+dotnet_style_explicit_tuple_names = true:suggestion
+# Prefer the language keyword for member access expressions, instead of the type name, for types that have a keyword to represent them
+dotnet_style_predefined_type_for_member_access = true:suggestion
+
+# Prefer default over default(T)
+csharp_prefer_simple_default_expression = true:suggestion
+# Prefer objects to be initialized using object initializers when possible
+dotnet_style_object_initializer = true:suggestion
+# Prefer inferred tuple element names
+dotnet_style_prefer_inferred_tuple_names = true:suggestion
+# Prefer the language keyword for local variables, method parameters, and class members, instead of the type name, for types that have a keyword to represent them
+dotnet_style_predefined_type_for_locals_parameters_members = true:suggestion
+
+# Var preferences
+csharp_style_var_elsewhere = true:suggestion
+csharp_style_var_for_built_in_types = true:suggestion
+csharp_style_var_when_type_is_apparent = true:suggestion
+
+# Using directive preferences
+dotnet_sort_system_directives_first = true
+dotnet_separate_import_directive_groups = false
+
+# Prefer file scoped namespaces over braced namespaces
+csharp_style_namespace_declarations = file_scoped:warning
+
+# Prefer local functions over anonymous functions
+csharp_style_pattern_local_over_anonymous_function = true:suggestion
+
+# Prefer accessibility modifiers to be declared except for public interface members. This will currently not differ from always and will act as future proofing for if C# adds default interface methods.
+dotnet_style_require_accessibility_modifiers = for_non_interface_members:warning
+
+# When this rule is set to a list of modifiers, prefer the specified ordering.
+csharp_preferred_modifier_order = public,private,protected,internal,static,readonly,override,abstract,new:suggestion
+
+# Prefer pattern matching instead of is expression with type casts
+csharp_style_pattern_matching_over_as_with_null_check = true:suggestion

.gitattributes

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+* text eol=lf
+*.png binary

.github/workflows/deploy-playground.yml

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+name: 'Deploy playground to GitHub Pages'
+
+on:
+  workflow_dispatch:
+  push:
+    branches: [main]
+    paths:
+    - 'src/**'
+
+env:
+  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
+permissions:
+  contents: write
+  pages: write
+  id-token: write
+  deployments: write
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    # Deploy to the github-pages environment
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+
+    steps:
+    - name: Clone the repo
+      uses: actions/checkout@v3
+
+    - name: Setup Node.js environment
+      uses: actions/setup-node@v3.5.1
+      with:
+        node-version: 18
+
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v3
+      with:
+        dotnet-version: '8.0.x'
+
+    - name: Run tests
+      run: dotnet test ./src
+
+    - name: Publish with dotnet
+      working-directory: 'src/Draco.Editor.Web'
+      run: dotnet publish --configuration Release --output build
+
+    - name: Setup Pages
+      uses: actions/configure-pages@v2
+
+    - name: Upload GitHub Pages artifact
+      uses: actions/upload-pages-artifact@v3.0.0
+      with:
+        path: 'src/Draco.Editor.Web/build/wwwroot'
+
+    - name: Deploy GitHub Pages site
+      uses: actions/deploy-pages@v4.0.0

.gitignore

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+.vs
+bin
+obj
+*.nupkg
+*.user
+**/Properties/launchSettings.json
+**/testenvironments.json

src/Draco.Editor.Web/.gitignore

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+node_modules
+wwwroot
+app/generated

src/Draco.Editor.Web/AssemblyInfo.cs

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+[assembly: System.Runtime.Versioning.SupportedOSPlatform("browser")]

src/Draco.Editor.Web/Draco.Editor.Web.csproj

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+<Project Sdk="Microsoft.NET.Sdk.BlazorWebAssembly">
+
+  <PropertyGroup>
+		<TargetFramework>net8.0</TargetFramework>
+
+    <PublishTrimmed>false</PublishTrimmed>
+    <IsPackable>false</IsPackable>
+    <Nullable>enable</Nullable>
+
+    <AllowUnsafeBlocks>True</AllowUnsafeBlocks>
+
+    <!-- Disable WebCIL for now. We have custom code to tell mono to start running .NET Code, this will need a refactoring to support WebCIL.  -->
+    <WasmEnableWebcil>false</WasmEnableWebcil>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="ICSharpCode.Decompiler" Version="8.2.0.7535" ExcludeAssets="contentfiles" />
+    <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.DevServer" Version="8.0.0" />
+    <PackageReference Include="Microsoft.JSInterop" Version="8.0.1" />
+    <PackageReference Include="Draco.Compiler" Version="0.3.4-pre" />
+  </ItemGroup>
+
+  <Target Name="JSSetup" AfterTargets="AfterBuild">
+    <Exec Command="npm install" WorkingDirectory="app"></Exec>
+    <Exec Condition="'$(Configuration)' == 'Debug'" Command="npm run build-debug" WorkingDirectory="app"></Exec>
+    <Exec Condition="'$(Configuration)' == 'Release'" Command="npm run build-release" WorkingDirectory="app"></Exec>
+  </Target>
+
+   <ItemGroup>
+     <!-- Force VS to ignore ts files. -->
+    <Compile Remove="app\**" />
+    <Content Remove="app\**" />
+    <EmbeddedResource Remove="app\**" />
+    <None Remove="app\**" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageDownload Include="Microsoft.NETCore.App.Ref" Version="[8.0.1]" />
+    <EmbeddedResource Include="$(NuGetPackageRoot)microsoft.netcore.app.ref\8.0.1\ref\net8.0\*.dll"
+                      LogicalName="ReferenceAssembly.%(Filename)%(Extension)"
+                      Visible="false"
+                      Link="Reference Assemblies\%(Filename)%(Extension)" />
+  </ItemGroup>
+
+</Project>

src/Draco.Editor.Web/Interop.cs

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+using System;
+using System.Runtime.InteropServices.JavaScript;
+
+namespace Draco.Editor.Web;
+
+public static partial class Interop
+{
+    [JSImport("Interop.sendMessage", "worker.js")]
+    public static partial void SendMessage(string type, string message);
+
+    [JSExport]
+    public static void OnMessage(string type, string message)
+    {
+        var msgs = Messages;
+        msgs?.Invoke(type, message);
+    }
+
+    public static event Action<string, string>? Messages;
+}

src/Draco.Editor.Web/OnInit.cs

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+namespace Draco.Editor.Web;
+
+public sealed class OnInit
+{
+    public string OutputType { get; set; } = null!;
+    public string Code { get; set; } = null!;
+}