agent-device/.github/workflows/size.yml at main · callstack/agent-device · GitHub

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name: Size

on:
  pull_request:
    paths-ignore:
      - "docs/**"
      - "website/**"
      - "README.md"
      - ".github/actions/build-docs/action.yml"
      - ".github/workflows/deploy.yml"
      - ".github/workflows/pr-preview.yml"
      - ".github/workflows/pr-preview-cleanup.yml"

permissions:
  contents: read
  pull-requests: write

concurrency:
  group: size-${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  bundle-size:
    name: Bundle Size
    if: github.event.pull_request.head.repo.full_name == github.repository
    runs-on: ubuntu-latest
    timeout-minutes: 10
    steps:
      - name: Checkout
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          fetch-depth: 0

      - name: Setup toolchain
        uses: ./.github/actions/setup-node-pnpm

      - name: Preserve report script
        run: cp scripts/size-report.mjs /tmp/agent-device-size-report.mjs

      # dist is fully determined by the base commit, so reuse it across PR runs
      # against the same base. Startup medians are still measured fresh on this
      # runner so the base/PR comparison stays same-machine.
      - name: Restore base dist cache
        id: base-dist-cache
        uses: actions/cache/restore@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.2.3
        with:
          path: dist
          key: size-base-dist-${{ github.event.pull_request.base.sha }}

      - name: Measure base size
        run: |
          git checkout --detach "${{ github.event.pull_request.base.sha }}"
          pnpm install --frozen-lockfile
          if [ "${{ steps.base-dist-cache.outputs.cache-hit }}" != "true" ]; then
            pnpm build
          fi
          node /tmp/agent-device-size-report.mjs \
            --startup-runs 7 \
            --json /tmp/agent-device-size-base.json

      # Save immediately: the job-end dist belongs to the PR head, not the base.
      - name: Save base dist cache
        if: steps.base-dist-cache.outputs.cache-hit != 'true'
        uses: actions/cache/save@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.2.3
        with:
          path: dist
          key: size-base-dist-${{ github.event.pull_request.base.sha }}

      - name: Measure PR size
        run: |
          git checkout --detach "${{ github.event.pull_request.head.sha }}"
          pnpm install --frozen-lockfile
          pnpm build
          node scripts/size-report.mjs \
            --compare /tmp/agent-device-size-base.json \
            --startup-runs 7 \
            --json .tmp/size-report.json \
            --markdown .tmp/size-report.md

      - name: Add job summary
        run: cat .tmp/size-report.md >> "$GITHUB_STEP_SUMMARY"

      - name: Comment on PR
        env:
          GITHUB_TOKEN: ${{ github.token }}
          GITHUB_PR_NUMBER: ${{ github.event.pull_request.number }}
        run: node scripts/size-report.mjs --post-comment .tmp/size-report.md