nodejs.org/.github/workflows/bundle-compare.yml at ded3e9cef87d794d09f8bfb4bb7f7752d4a02274 · nodejs/nodejs.org · GitHub

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name: Compare Bundle Size

on:
  # For testing
  pull_request:

permissions:
  contents: read
  actions: read

jobs:
  compare:
    name: Compare Bundle Stats
    runs-on: ubuntu-latest

    steps:
      - name: Harden Runner
        uses: step-security/harden-runner@f4a75cfd619ee5ce8d5b864b0d183aff3c69b55a # v2.13.1
        with:
          egress-policy: audit

      - name: Download PR artifact (head)
        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
        with:
          script: |
            const fs = require('fs');
            const path = require('path');

            const artifacts = await github.rest.actions.listWorkflowRunArtifacts({
              owner: context.repo.owner,
              repo: context.repo.repo,
              run_id: 18635880384 || context.payload.workflow_run.id,
            });

            const artifact = artifacts.data.artifacts.find(a => a.name === 'webpack-stats');

            if (!artifact) {
              throw new Error('No artifact found!');
            }

            const download = await github.rest.actions.downloadArtifact({
              owner: context.repo.owner,
              repo: context.repo.repo,
              artifact_id: artifact.id,
              archive_format: 'zip',
            });

            fs.mkdirSync('head-stats', { recursive: true });
            fs.writeFileSync('head-stats/stats.zip', Buffer.from(download.data));

      - name: Download main branch artifact (base)
        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
        with:
          script: |
            const fs = require('fs');

            const runs = await github.rest.actions.listWorkflowRuns({
              owner: context.repo.owner,
              repo: context.repo.repo,
              workflow_id: 199178247 || context.payload.workflow_run.workflow_id,
              branch: 'main',
              status: 'completed',
              per_page: 1,
            });

            const artifacts = await github.rest.actions.listWorkflowRunArtifacts({
              owner: context.repo.owner,
              repo: context.repo.repo,
              run_id: runs.data.workflow_runs[0].id,
            });

            const artifact = artifacts.data.artifacts.find(a => a.name === 'webpack-stats');

            if (!artifact) {
              throw new Error('No artifact found!');
            }

            const download = await github.rest.actions.downloadArtifact({
              owner: context.repo.owner,
              repo: context.repo.repo,
              artifact_id: artifact.id,
              archive_format: 'zip',
            });

            fs.mkdirSync('base-stats', { recursive: true });
            fs.writeFileSync('base-stats/stats.zip', Buffer.from(download.data));

      - name: Unzip artifacts
        run: |
          unzip -o head-stats/stats.zip -d head-stats
          unzip -o base-stats/stats.zip -d base-stats

      - uses: github/webpack-bundlesize-compare-action@89161bb25577f08577ce053c3264c0e3b7d7558f # v2.1.0
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          current-stats-json-path: ./head-stats/webpack-stats.json
          base-stats-json-path: ./base-stats/webpack-stats.json