website/.github/workflows/preview.yml at main · ro80t/website · GitHub

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name: Preview

on:
  pull_request:
    branches:
      - main
    types: [opened, synchronize, reopened, closed]

concurrency:
  group: pr-preview-${{ github.event.pull_request.number }}
  cancel-in-progress: true

env:
  PAGE_DIR: pr-preview-${{ github.event.pull_request.number }}

jobs:
  build:
    name: Build
    runs-on: ubuntu-latest
    if: github.event.action != 'closed' && github.event.pull_request.head.repo.full_name == github.repository

    steps:
      - name: Checkout repository
        uses: actions/checkout@v7

      - name: Set up Node.js
        uses: actions/setup-node@v7
        with:
          node-version: 24
          cache: npm
          cache-dependency-path: package-lock.json

      - name: Install Dependencies
        run: npm ci

      - name: Build
        run: npm run build
        env:
          BASE_PATH: /${{ env.PAGE_DIR }}/
          GH_TOKEN: ${{ secrets.GH_TOKEN }}

      - name: Upload artifact
        uses: actions/upload-artifact@v7
        with:
          name: site-preview
          path: dist/
          retention-days: 1

  preview:
    name: Deploy preview
    needs: [build]
    runs-on: ubuntu-latest
    if: github.event.action != 'closed' && github.event.pull_request.head.repo.full_name == github.repository
    concurrency:
      group: gh-pages
      cancel-in-progress: false
    permissions:
      contents: write
      pull-requests: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v7

      - name: Checkout or create gh-pages
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git fetch origin gh-pages 2>/dev/null
          if git rev-parse --verify origin/gh-pages >/dev/null 2>&1; then
            git checkout gh-pages
          else
            git checkout --orphan gh-pages
            git rm -rf . > /dev/null
          fi

      - name: Download artifact
        uses: actions/download-artifact@v8
        with:
          name: site-preview
          path: ${{ env.PAGE_DIR }}

      - name: Commit and push
        run: |
          touch .nojekyll
          git add .
          git diff --staged --quiet || git commit -m "Deploy PR preview for #${{ github.event.pull_request.number }}"
          git push origin gh-pages

      - name: Comment PR
        uses: actions/github-script@v9
        with:
          script: |
            const url = `https://wktk.moe/${process.env.PAGE_DIR}/`;
            const marker = "<!-- pr-preview-comment -->";
            const body = `${marker}\n🔍 Preview deployed to: ${url}`;
            const { data: comments } = await github.rest.issues.listComments({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: context.issue.number
            });
            const existing = comments.find((comment) => comment.body.includes(marker));
            if (existing) {
              await github.rest.issues.updateComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                comment_id: existing.id,
                body
              });
            } else {
              await github.rest.issues.createComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: context.issue.number,
                body
              });
            }

  cleanup:
    name: Cleanup preview
    runs-on: ubuntu-latest
    if: github.event.action == 'closed' && github.event.pull_request.head.repo.full_name == github.repository
    concurrency:
      group: gh-pages
      cancel-in-progress: false
    permissions:
      contents: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v7

      - name: Checkout gh-pages
        id: checkout-gh-pages
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git fetch origin gh-pages 2>/dev/null || echo "skip=true" >> "$GITHUB_OUTPUT"
          git rev-parse --verify origin/gh-pages >/dev/null 2>&1 && git checkout gh-pages || echo "skip=true" >> "$GITHUB_OUTPUT"

      - name: Remove preview directory
        if: steps.checkout-gh-pages.outputs.skip != 'true'
        run: |
          rm -rf "${{ env.PAGE_DIR }}"
          git add .
          git diff --staged --quiet || git commit -m "Remove PR preview for #${{ github.event.pull_request.number }}"
          git push origin gh-pages