deploy-blazor.yml

name: Deploy Blazor WASM to GitHub Pages

on:
  push:
    branches: [main]
  workflow_dispatch:

permissions:
  contents: read
  pages: write
  id-token: write

concurrency:
  group: "pages"
  cancel-in-progress: false

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      # The net10.0 test executable needs the .NET 10 runtime.
      - name: Setup .NET 10
        uses: actions/setup-dotnet@v5
        with:
          dotnet-version: '10.0.x'

      # The app sets WasmEnableThreads, whose multithreaded runtime (the one carrying
      # JavaScriptExports.InstallMainSynchronizationContext) ships in the wasm-tools workload. Without
      # it the build emits a single-threaded runtime that aborts at start_runtime in the browser.
      - name: Install wasm-tools workload
        run: dotnet workload install wasm-tools

      - name: Build tests (also publishes the Blazor app for snapshot tests)
        run: dotnet build src/GeoConvert.Web.Tests --configuration Release

      # TUnit ships as an executable on Microsoft.Testing.Platform; run it directly rather than via
      # `dotnet test`, which rejects it under the VSTest path.
      - name: Run tests
        run: dotnet src/GeoConvert.Web.Tests/bin/Release/net10.0/GeoConvert.Web.Tests.dll

      - name: Publish
        run: dotnet publish src/GeoConvert.Web --configuration Release --output publish

      # The site is served at the root of the custom domain, so the published <base href="/" /> is
      # already correct — no subpath rewrite. (When it was served from the GitHub Pages project subpath
      # https://papyrine.github.io/GeoConvert/, this step rewrote the base to "/GeoConvert/"; the custom
      # domain made that rewrite wrong.)

      - name: Add .nojekyll file
        run: touch publish/wwwroot/.nojekyll

      - name: Copy index.html to 404.html for SPA routing
        run: cp publish/wwwroot/index.html publish/wwwroot/404.html

      - name: Setup Pages
        uses: actions/configure-pages@v5

      - name: Upload artifact
        uses: actions/upload-pages-artifact@v3
        with:
          path: publish/wwwroot

  deploy:
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    runs-on: ubuntu-latest
    needs: build
    steps:
      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v4