pr-diff-size.yml

name: Packages size analysis

on:
  pull_request:
    branches: [main]
    types: [opened, synchronize, reopened, ready_for_review]

permissions:
  contents: read
  pull-requests: write
  actions: read

jobs:
  analyze:
    if: github.repository == 'rameel/ramstack.hotkey.js'
    name: Analyze package size changes

    runs-on: ubuntu-latest

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

      - name: Install pnpm
        uses: pnpm/action-setup@v4
        with:
          version: latest

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '24'
          cache: 'pnpm'

      - name: Install dependencies
        run: pnpm install

      - name: Prepate report path
        run: echo "SIZE_REPORT_OUTPUT=$RUNNER_TEMP/comment-${{ github.event.pull_request.number }}.md" >> $GITHUB_ENV

      - name: Run size comparison
        run: pnpm size-report
        env:
          NODE_ENV: production
          SKIP_GIT_TAG_RESOLUTION: true

      - name: Comment PR
        uses: actions/github-script@v7
        with:
          script: |
            const fs = require('fs');
            const body = fs.readFileSync(process.env.SIZE_REPORT_OUTPUT, 'utf8');
            const pr_number = context.issue.number;

            const { data: comments } = await github.rest.issues.listComments({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: pr_number
            });

            const marker = "### 📦 Bundle size comparison";
            const existing_comment = comments.find(c => c.body.includes(marker));

            if (existing_comment) {
              await github.rest.issues.updateComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                comment_id: existing_comment.id,
                body: body
              });
            }
            else {
              github.rest.issues.createComment({
                issue_number: context.issue.number,
                owner: context.repo.owner,
                repo: context.repo.repo,
                body: body
              })
            }