benchmark.yml

name: Benchmark

on:
    pull_request:
        branches: [main]

jobs:
    benchmark:
        name: Benchmark
        runs-on: ubuntu-latest
        if: github.event.pull_request.head.repo.full_name == github.repository
        permissions:
            contents: read
            pull-requests: write
            issues: write

        steps:
            - name: Checkout code
              uses: actions/checkout@v4

            - name: Setup Bun
              uses: oven-sh/setup-bun@v2
              with:
                  bun-version: latest

            - name: Install dependencies
              run: bun install

            - name: Run benchmarks
              id: benchmark
              run: |
                  bun run bench > benchmark-results.txt 2>&1 || true
                  cat benchmark-results.txt

            - name: Comment PR with benchmark results
              if: github.event_name == 'pull_request'
              uses: actions/github-script@v7
              with:
                  script: |
                      const fs = require('fs');
                      const benchmarkResults = fs.readFileSync('benchmark-results.txt', 'utf8');
                      const comment = '## Benchmark Results\n\n```\n' + benchmarkResults + '\n```';
                      const params = {
                        issue_number: context.issue.number,
                        owner: context.repo.owner,
                        repo: context.repo.repo,
                        body: comment
                      };
                      github.rest.issues.createComment(params);