name: build:lib

on: push

jobs:
  files-changed:
    name: Detect File Changes - build -lib
    runs-on: ubuntu-latest
    outputs:
      build: ${{ steps.filter.outputs.build }}
    steps:
      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v4.1.7
      - uses: dorny/paths-filter@fbd0ab8f3e69293af611ebaee6363fc25e6d187d # v4.0.1
        id: filter
        with:
          filters: |
            build:
              - '.github/workflows/**/*'
              - 'lib/**/*'

  build:
    if: needs.files-changed.outputs.build == 'true'
    name: Build
    needs: files-changed
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v4.1.7
      - uses: actions/setup-node@6044e13b5dc448c55e2357c09f80417699197238 # v4.0.3
        with:
          node-version-file: '.tool-versions'
      - name: Install Dependencies & Build Library
        run: |
          npm install
          npm run build
        working-directory: lib/

  build-examples:
    if: needs.files-changed.outputs.build == 'true'
    name: Test Example Apps
    needs: [files-changed, build]
    runs-on: ubuntu-latest
    strategy:
      matrix:
        app: [examples/1-basic-map, examples/2-static-layers, examples/3-tags ]

    steps:
      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v4.1.7
      - uses: actions/setup-node@6044e13b5dc448c55e2357c09f80417699197238 # v4.0.3
        with:
          node-version-file: '.tool-versions'
      - name: Link Utopia-UI in Example App
        run: |
          npm install
          npm run build
          cd ${{ matrix.app }}
          npm install
          npm run build
        working-directory: lib/

  results:
    if: ${{ always() }}
    runs-on: ubuntu-latest
    name: Test Example Apps - results
    needs: [build-examples]
    steps:
      - run: |
          result="${{ needs.build-examples.result }}"
          if [[ $result == "success" || $result == "skipped" ]]; then
            exit 0
          else
            exit 1
          fi