action.yml

name: 'Deploy Blazor to GitHub Pages'
description: 'Build a Blazor Wasm application and deploy it to GitHub Pages.'
inputs:
  project_path:
    description: 'The path to the Blazor project'
    required: false
    default: '.'
runs:
  using: "composite"
  steps:
    - name: Substitute base href
      run: sed -i 's/base href="\/"/base href="\/${{ github.event.repository.name }}\/"/' ${{ inputs.project_path }}/wwwroot/index.html
      shell: bash
    - name: Setup SPA 404 page redirection
      run: |
        cp ${{ github.action_path }}/404.html ${{ inputs.project_path }}/wwwroot
        cp ${{ github.action_path }}/redirect.js ${{ inputs.project_path }}/wwwroot
        sed -i '/blazor.webassembly.js/i \    <script src="redirect.js"><\/script>' ${{ inputs.project_path }}/wwwroot/index.html
      shell: bash
    - name: Publish application
      run: dotnet publish -c Release -o ${{ runner.temp }}/${{ github.action }}
      shell: bash
    - name: Create gh-pages branch
      run: |
        git checkout --orphan gh-pages
        git clean -fdx
        git rm -rf .
        cp -r ${{ runner.temp }}/${{ github.action }}/wwwroot/. .
        touch .nojekyll
      shell: bash
    - name: Commit and push
      run: |
        git add .
        git config user.name github-actions
        git config user.email github-actions@github.com
        git commit -m 'Deploy application to GitHub Pages'
        git push -f -u origin gh-pages
      shell: bash