rescript-signals/.github/workflows/benchmark-pr-vs-frameworks.yml at main · brnrdog/rescript-signals · GitHub

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name: Benchmark PR vs frameworks

on:
  pull_request:
    branches:
      - main
  workflow_dispatch:

permissions:
  contents: read
  pull-requests: write

jobs:
  benchmark:
    name: Benchmark
    runs-on: ubuntu-latest
    env:
      npm_config_legacy_peer_deps: "true"
    steps:
      - name: Checkout PR branch
        uses: actions/checkout@v4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: "lts/*"

      - name: Setup pnpm
        uses: pnpm/action-setup@v4
        with:
          version: 10

      - name: Install repository dependencies
        run: npm ci

      - name: Build repository
        run: npm run build

      - name: Clone benchmark suite
        run: git clone --depth=1 https://github.com/milomg/js-reactivity-benchmark.git .tmp/js-reactivity-benchmark

      - name: Install benchmark dependencies
        working-directory: .tmp/js-reactivity-benchmark
        run: pnpm install --frozen-lockfile

      - name: Build benchmark core runtime bundle
        working-directory: .tmp/js-reactivity-benchmark/packages/core
        run: pnpm exec esbuild src/index.ts --bundle --format=esm --target=esnext --outdir=dist --sourcemap=external

      - name: Run PR vs frameworks benchmark
        run: node scripts/ci/benchmark-pr-vs-frameworks.mjs
        env:
          BENCH_CORE_DIST_DIR: .tmp/js-reactivity-benchmark/packages/core/dist
          CURRENT_SIGNALS_DIR: packages/rescript-signals
          BENCH_OUT_DIR: benchmark-results/ci/pr-vs-frameworks

      - name: Upload benchmark artifacts
        uses: actions/upload-artifact@v4
        with:
          name: benchmark-pr-vs-frameworks
          path: benchmark-results/ci/pr-vs-frameworks
          if-no-files-found: error

      - name: Add workflow summary
        run: |
          echo "## ReScript Signals benchmark: PR vs frameworks" >> "$GITHUB_STEP_SUMMARY"
          echo "" >> "$GITHUB_STEP_SUMMARY"
          cat benchmark-results/ci/pr-vs-frameworks/pr-comment-latest.md >> "$GITHUB_STEP_SUMMARY"

      - name: Upsert PR benchmark comment
        if: github.event_name == 'pull_request'
        uses: actions/github-script@v7
        with:
          script: |
            const fs = require("fs");
            const marker = "<!-- rescript-signals-benchmark-pr-vs-frameworks -->";
            const body = fs.readFileSync("benchmark-results/ci/pr-vs-frameworks/pr-comment-latest.md", "utf8");
            const commentBody = `${marker}\n${body}`;

            const { owner, repo } = context.repo;
            const issue_number = context.issue.number;
            const comments = await github.paginate(github.rest.issues.listComments, {
              owner,
              repo,
              issue_number,
              per_page: 100,
            });

            const existing = comments.find((c) => c.body && c.body.includes(marker));
            if (existing) {
              await github.rest.issues.updateComment({
                owner,
                repo,
                comment_id: existing.id,
                body: commentBody,
              });
            } else {
              await github.rest.issues.createComment({
                owner,
                repo,
                issue_number,
                body: commentBody,
              });
            }