check-dist.yml

# When you reference this Action with `uses:` in a workflow,
# `dist/index.js` is the code that will run.
# For our project, we generate this file using `ncc`.
# We need to make sure the checked-in `dist/index.js` actually matches what we expect it to be.
name: Check dist/

on:
  push:
    branches:
      - main
    paths-ignore:
      - '**.md'
  pull_request:
    paths-ignore:
      - '**.md'
  workflow_dispatch:

permissions:
  contents: read

# This allows a subsequently queued workflow run to interrupt previous runs
concurrency:
  group: '${{ github.workflow }} @ ${{ github.event.pull_request.head.label || github.head_ref || github.ref }}'
  cancel-in-progress: true

jobs:
  check-dist:
    runs-on: ubuntu-latest

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

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

      - name: Install dependencies
        run: npm ci

      - name: Rebuild the dist/ directory
        run: npm run prepare

      - name: Compare the expected and actual dist/ directories
        run: |
          if [ "$(git diff --ignore-space-at-eol dist/ | wc -l)" -gt "0" ]; then
            echo "Detected uncommitted changes after build in dist folder. See status below:"
            git diff
            exit 1
          fi