Sync with react.dev @ 84f29eb2 #2317
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| name: Analyze Bundle | |
| on: | |
| pull_request: | |
| push: | |
| branches: | |
| - main # change this if your default branch is named differently | |
| workflow_dispatch: | |
| jobs: | |
| analyze: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - uses: actions/checkout@v4 | |
| - name: Set up node | |
| uses: actions/setup-node@v4 | |
| with: | |
| node-version: '20.x' | |
| cache: yarn | |
| cache-dependency-path: yarn.lock | |
| - name: Restore cached node_modules | |
| uses: actions/cache@v4 | |
| with: | |
| path: "**/node_modules" | |
| key: node_modules-${{ runner.arch }}-${{ runner.os }}-${{ hashFiles('yarn.lock') }} | |
| - name: Install deps | |
| run: yarn install --frozen-lockfile | |
| - name: Restore next build | |
| uses: actions/cache@v4 | |
| id: restore-build-cache | |
| env: | |
| cache-name: cache-next-build | |
| with: | |
| path: .next/cache | |
| # change this if you prefer a more strict cache | |
| key: ${{ runner.os }}-build-${{ env.cache-name }} | |
| - name: Build next.js app | |
| # change this if your site requires a custom build command | |
| run: ./node_modules/.bin/next build | |
| # Here's the first place where next-bundle-analysis' own script is used | |
| # This step pulls the raw bundle stats for the current bundle | |
| - name: Analyze bundle | |
| run: npx -p [email protected] report | |
| - name: Upload bundle | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| path: .next/analyze/__bundle_analysis.json | |
| name: bundle_analysis.json | |
| - name: Download base branch bundle stats | |
| uses: dawidd6/action-download-artifact@v2 | |
| if: success() && github.event.number | |
| with: | |
| workflow: analyze.yml | |
| branch: ${{ github.event.pull_request.base.ref }} | |
| name: bundle_analysis.json | |
| path: .next/analyze/base/bundle | |
| # And here's the second place - this runs after we have both the current and | |
| # base branch bundle stats, and will compare them to determine what changed. | |
| # There are two configurable arguments that come from package.json: | |
| # | |
| # - budget: optional, set a budget (bytes) against which size changes are measured | |
| # it's set to 350kb here by default, as informed by the following piece: | |
| # https://infrequently.org/2021/03/the-performance-inequality-gap/ | |
| # | |
| # - red-status-percentage: sets the percent size increase where you get a red | |
| # status indicator, defaults to 20% | |
| # | |
| # Either of these arguments can be changed or removed by editing the `nextBundleAnalysis` | |
| # entry in your package.json file. | |
| - name: Compare with base branch bundle | |
| if: success() && github.event.number | |
| run: ls -laR .next/analyze/base && npx -p nextjs-bundle-analysis compare | |
| - name: Upload analysis comment | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: analysis_comment.txt | |
| path: .next/analyze/__bundle_analysis_comment.txt | |
| - name: Save PR number | |
| run: echo ${{ github.event.number }} > ./pr_number | |
| - name: Upload PR number | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: pr_number | |
| path: ./pr_number | |
| # The actual commenting happens in the other action, matching the guidance in | |
| # https://securitylab.github.com/research/github-actions-preventing-pwn-requests/ |