ci.yaml

name: CI
on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main
jobs:
  lhci:
    name: Lighthouse
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3

      - name: Set up Python 3.8
        uses: actions/setup-python@v4
        with:
          python-version: 3.8
          cache: "pip"

      - run: pip install -r requirements.txt

      - name: Cache build
        id: cache-build
        uses: actions/cache@v3
        with:
          path: ./output
          key: ${{ runner.os }}-${{ hashFiles('**/output/*.html') }}

      - name: Build
        if: steps.cache-build.outputs.cache-hit != 'true'
        run: TINYPNG_KEY=${{ secrets.TINYPNG_KEY }} pelican content -s publishconf.py

      - name: Run Lighthouse CI
        uses: treosh/lighthouse-ci-action@v9
        id: lhci
        with:
          configPath: "./lighthouserc.yaml"
          temporaryPublicStorage: true
          runs: 3

      - name: Get results URL
        shell: bash
        env:
          JSON_DOC: ${{ steps.lhci.outputs.links }}
        run: |
          printf '%s\n' "$JSON_DOC" > lhci_manifest.json
          results_url=$(cat lhci_manifest.json | jq 'to_entries[0].value')
          echo "RESULTS_URL=$results_url" >> "$GITHUB_ENV"

      - name: View results URL
        run: 'echo "Lighthouse CI results: ${{ env.RESULTS_URL }}"'

      - name: Add Lighthouse results to PR
        uses: thollander/actions-comment-pull-request@v1
        if: ${{ github.event_name == 'pull_request' }}
        with:
          message: "Lighthouse CI results: ${{ env.RESULTS_URL }}"