build-and-check.yaml

name: Build & check
on:
  pull_request:
    types:
      - opened
      - synchronize
      - reopened
      - assigned
      - closed
      - edited
      - labeled
      - locked
      - ready_for_review
      - review_request_removed
      - review_requested
      - unassigned
      - unlabeled
      - unlocked
  workflow_dispatch:
jobs:
  build:
    name: Build
    runs-on: ubuntu-latest
    outputs:
      changes: ${{ steps.check-for-changes.outputs.diff }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: Setup Node.js
        uses: actions/setup-node@v4
      - name: Get Yarn cache folder path
        id: yarn-cache-folder
        run: echo "path=$( yarn cache dir )" >> $GITHUB_OUTPUT
      - name: Set up Yarn cache
        id: yarn-cache
        uses: actions/cache@v4
        with:
          path: ${{ steps.yarn-cache-folder.outputs.path }}
          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
          restore-keys: |
            ${{ runner.os }}-yarn-
      - name: Install Node packages via Yarn
        run: yarn install --frozen-lockfile --cache-folder ${{ steps.yarn-cache-folder.outputs.path }}
      - name: Build
        run: yarn build
      - name: Check for changes
        id: check-for-changes
        run: |
          {
            echo "diff<<EOF"
            git diff
            echo "EOF"
          } >> "$GITHUB_OUTPUT"
  check:
    name: Check distribution file
    runs-on: ubuntu-latest
    needs: build
    steps:
      - if: ${{ needs.build.outputs.changes != '' }}
        name: Fail
        run: exit 1