deploy.yml

name: Deploy docs

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]
  workflow_dispatch:

concurrency:
  group: pages-${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  build:
    name: Build
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Set Docusaurus URL
        run: |
          OWNER="${GITHUB_REPOSITORY_OWNER}"
          REPO="${GITHUB_REPOSITORY#*/}"
          echo "DOCUSAURUS_URL=https://${OWNER}.github.io" >> "$GITHUB_ENV"
          if [ "${REPO,,}" = "${OWNER,,}.github.io" ]; then
            echo "DOCUSAURUS_BASE_URL=/" >> "$GITHUB_ENV"
          else
            echo "DOCUSAURUS_BASE_URL=/${REPO}/" >> "$GITHUB_ENV"
          fi

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 20
          cache: npm

      - name: Install dependencies
        run: npm ci

      - name: Typecheck
        run: npm run typecheck

      - name: Build website
        run: npm run build

      - name: Upload GitHub Pages artifact
        if: github.event_name != 'pull_request'
        uses: actions/upload-pages-artifact@v3
        with:
          path: build

      - name: Upload preview artifact
        if: github.event_name == 'pull_request'
        uses: actions/upload-artifact@v4
        with:
          name: docs-build
          path: build
          if-no-files-found: error

  deploy:
    name: Deploy to GitHub Pages
    needs: build
    if: github.event_name != 'pull_request' && github.ref == 'refs/heads/main'
    runs-on: ubuntu-latest
    permissions:
      pages: write
      id-token: write
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    steps:
      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v4