Extend copy context past shared-UI wrappers and add maxContextLines option #574
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| name: Test Perf | |
| on: | |
| push: | |
| branches: [main] | |
| pull_request: | |
| branches: [main] | |
| permissions: | |
| contents: read | |
| jobs: | |
| test-perf: | |
| runs-on: ubuntu-latest | |
| # PR runs do the bench twice (base ref + HEAD) so the cost roughly | |
| # doubles vs. a push-to-main run. | |
| timeout-minutes: 40 | |
| steps: | |
| - name: Checkout | |
| uses: actions/checkout@v6 | |
| with: | |
| fetch-depth: 0 | |
| - name: Install pnpm | |
| uses: pnpm/action-setup@v6 | |
| - name: Setup Node.js | |
| uses: actions/setup-node@v6 | |
| with: | |
| node-version: 22 | |
| cache: pnpm | |
| - name: Install dependencies | |
| run: pnpm install | |
| - name: Install Playwright browsers | |
| run: pnpm --filter react-grab exec playwright install chromium --with-deps | |
| # ─── Baseline run (PR only) ──────────────────────────────────────── | |
| # Swap `packages/react-grab/src/` to the base ref so the same | |
| # bench harness measures the OLD library code. The harness itself | |
| # (`e2e/perf-*.ts`, `scripts/diff-perf-runs.mjs`) and the e2e-app | |
| # stimulus stay at HEAD so the only variable across runs is | |
| # react-grab's source. | |
| - name: Swap react-grab src to base ref | |
| id: swap-base | |
| if: github.event_name == 'pull_request' | |
| run: | | |
| git fetch origin "${{ github.base_ref }}" --depth=1 | |
| if git cat-file -e "origin/${{ github.base_ref }}:packages/react-grab/src" 2>/dev/null; then | |
| git checkout "origin/${{ github.base_ref }}" -- packages/react-grab/src | |
| echo "swapped=true" >> "$GITHUB_OUTPUT" | |
| echo "Swapped react-grab/src to origin/${{ github.base_ref }} ($(git rev-parse "origin/${{ github.base_ref }}"))" | |
| else | |
| echo "Base ref lacks packages/react-grab/src; skipping baseline run." | |
| echo "swapped=false" >> "$GITHUB_OUTPUT" | |
| fi | |
| - name: Run perf bench against base ref src | |
| if: github.event_name == 'pull_request' && steps.swap-base.outputs.swapped == 'true' | |
| env: | |
| PERF_LABEL: baseline | |
| # --workers=1 keeps perf measurements off the noise floor that | |
| # the sharded `test-e2e` workflow creates by running 4 workers | |
| # in parallel. Playwright's webServer auto-runs | |
| # `pnpm --filter react-grab build` so the dev server picks up | |
| # whichever src is checked out. | |
| run: pnpm --filter react-grab exec playwright test --grep @perf --workers=1 --reporter=list | |
| - name: Restore react-grab src to HEAD | |
| if: github.event_name == 'pull_request' && steps.swap-base.outputs.swapped == 'true' | |
| run: git checkout HEAD -- packages/react-grab/src | |
| # ─── HEAD run ────────────────────────────────────────────────────── | |
| - name: Run perf bench against HEAD src | |
| env: | |
| PERF_LABEL: current | |
| run: pnpm --filter react-grab exec playwright test --grep @perf --workers=1 --reporter=list | |
| # ─── Diff & surface ──────────────────────────────────────────────── | |
| - name: Compute baseline-vs-current diff | |
| if: always() && github.event_name == 'pull_request' | |
| run: node packages/react-grab/scripts/diff-perf-runs.mjs packages/react-grab/perf/baseline packages/react-grab/perf/current | tee -a "$GITHUB_STEP_SUMMARY" | |
| - name: Upload perf reports | |
| if: always() | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: perf-bench-${{ github.event.pull_request.number || github.sha }} | |
| path: packages/react-grab/perf/ | |
| if-no-files-found: warn | |
| retention-days: 14 |