benchmark.yml

name: Benchmark
on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

jobs:
  benchmark:
    name: Performance regression check
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: pnpm/action-setup@v4
        with:
          version: 9
      - name: Run benchmark
        run: |
          pnpm install
          pnpm run bench --outputJson benchmark.json
      - name: Download previous benchmark data
        uses: actions/cache@v4
        with:
          path: ./cache
          key: benchmark
      - name: Store benchmark result
        uses: benchmark-action/github-action-benchmark@v1
        with:
          tool: 'customSmallerIsBetter'
          output-file-path: benchmark.json
          external-data-json-path: ./cache/benchmark-main.json
          fail-on-alert: true
      - shell: bash
        run: echo "branch=${GITHUB_HEAD_REF:-${GITHUB_REF#refs/heads/}}" >> $GITHUB_OUTPUT
        id: branch
      - name: Store benchmark data
        if: steps.branch.outputs.branch == 'main'
        run: cp benchmark.json ./cache/benchmark-main.json

      # Push gh-pages branch by yourself
      # - name: Push benchmark result
      #   run: git push 'https://you:${{ secrets.GITHUB_TOKEN }}@github.com/you/repo-name.git' gh-pages:gh-pages