oisy-wallet/.github/workflows/frontend-bundle-check.yml at 3c9c63221429f3258cd4ff12995d14fb8a94fd76 · dfinity/oisy-wallet · GitHub

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name: Frontend Bundle Size Check

on:
  pull_request:

permissions:
  contents: read

jobs:
  build-base-branch:
    runs-on: ubuntu-24.04
    permissions:
      contents: read
    outputs:
      size: ${{ steps.get-size.outputs.size }}
    steps:
      - name: Checkout
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          ref: ${{ github.event.pull_request.base.ref }}
          persist-credentials: false

      - name: Prepare
        uses: ./.github/actions/prepare

      - name: Build project
        run: npm run build

      - name: Get bundle size
        id: get-size
        run: |
          SIZE=$(du -sk build/_app/immutable/**/*.js{,.gz} 2>/dev/null | awk '{sum += $1} END {print sum}')
          echo "Base branch bundle size: $SIZE KB"
          echo "size=$SIZE" >> $GITHUB_OUTPUT

  build-pr:
    runs-on: ubuntu-24.04
    permissions:
      contents: read
    outputs:
      size: ${{ steps.get-size.outputs.size }}
    steps:
      - name: Checkout
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          ref: ${{ github.event.pull_request.head.ref }}
          persist-credentials: false

      - name: Prepare
        uses: ./.github/actions/prepare

      - name: Build project
        run: npm run build

      - name: Get bundle size
        id: get-size
        run: |
          SIZE=$(du -sk build/_app/immutable/**/*.js{,.gz} 2>/dev/null | awk '{sum += $1} END {print sum}')
          echo "PR bundle size: $SIZE KB"
          echo "size=$SIZE" >> $GITHUB_OUTPUT

  compare-sizes:
    needs: [build-base-branch, build-pr]
    runs-on: ubuntu-24.04
    permissions:
      contents: read
    steps:
      - name: Compare bundle sizes
        run: |
          BASE_SIZE=$BASE_SIZE
          PR_SIZE=$PR_SIZE

          DIFF=$((PR_SIZE - BASE_SIZE))

          if (( BASE_SIZE > 0 )); then
            PERCENT=$((100 * DIFF / BASE_SIZE))
          else
            PERCENT=0
          fi

          echo "Base bundle size: ${BASE_SIZE} KB"
          echo "PR bundle size:   ${PR_SIZE} KB"
          echo "::notice::Difference:       ${DIFF} KB"
          echo "::notice::Percent change:   ${PERCENT}%"
          echo "::endgroup::"

          MAX_KB=100
          MAX_PERCENT=10

           if (( DIFF > MAX_KB )); then
            echo "🚨 Bundle size increased by ${DIFF}KB, over the limit of ${MAX_KB}KB."
            exit 1
          fi

          if (( PERCENT > MAX_PERCENT )); then
            echo "🚨 Bundle size increased by ${PERCENT}%, over the limit of ${MAX_PERCENT}%."
            exit 1
          fi

          echo "✅ Bundle size within acceptable limits."
    env:
      BASE_SIZE: ${{ needs.build-base-branch.outputs.size }}
      PR_SIZE: ${{ needs.build-pr.outputs.size }}